./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product15.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_3c60109c-3692-478b-adbb-de0d08ef79aa/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_3c60109c-3692-478b-adbb-de0d08ef79aa/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3c60109c-3692-478b-adbb-de0d08ef79aa/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3c60109c-3692-478b-adbb-de0d08ef79aa/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3c60109c-3692-478b-adbb-de0d08ef79aa/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3c60109c-3692-478b-adbb-de0d08ef79aa/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 eaa884e9733c01fe9db8345a7c098b974c9047d7 ................................................................................................................................................................................................................................................................................................................................................................... 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 15:38:30,788 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 15:38:30,789 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 15:38:30,797 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 15:38:30,797 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 15:38:30,798 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 15:38:30,799 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 15:38:30,801 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 15:38:30,803 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 15:38:30,803 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 15:38:30,804 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 15:38:30,805 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 15:38:30,806 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 15:38:30,807 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 15:38:30,808 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 15:38:30,809 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 15:38:30,809 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 15:38:30,810 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 15:38:30,812 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 15:38:30,813 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 15:38:30,814 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 15:38:30,815 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 15:38:30,815 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 15:38:30,816 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 15:38:30,817 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 15:38:30,818 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 15:38:30,818 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 15:38:30,818 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 15:38:30,818 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 15:38:30,819 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 15:38:30,819 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 15:38:30,820 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 15:38:30,820 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 15:38:30,821 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 15:38:30,822 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 15:38:30,822 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 15:38:30,822 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 15:38:30,822 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 15:38:30,823 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 15:38:30,823 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 15:38:30,824 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 15:38:30,825 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3c60109c-3692-478b-adbb-de0d08ef79aa/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-12-07 15:38:30,839 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 15:38:30,839 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 15:38:30,840 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 15:38:30,841 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 15:38:30,841 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 15:38:30,841 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 15:38:30,841 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 15:38:30,841 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 15:38:30,842 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 15:38:30,842 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 15:38:30,842 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 15:38:30,842 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 15:38:30,842 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 15:38:30,843 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 15:38:30,843 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 15:38:30,843 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 15:38:30,843 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 15:38:30,843 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 15:38:30,844 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 15:38:30,844 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 15:38:30,844 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 15:38:30,844 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 15:38:30,844 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 15:38:30,844 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 15:38:30,844 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 15:38:30,845 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 15:38:30,845 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 15:38:30,845 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 15:38:30,845 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 15:38:30,845 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 15:38:30,845 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 15:38:30,845 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 15:38:30,846 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 15:38:30,846 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_3c60109c-3692-478b-adbb-de0d08ef79aa/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 -> eaa884e9733c01fe9db8345a7c098b974c9047d7 [2019-12-07 15:38:30,941 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 15:38:30,950 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 15:38:30,952 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 15:38:30,953 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 15:38:30,954 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 15:38:30,954 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3c60109c-3692-478b-adbb-de0d08ef79aa/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c [2019-12-07 15:38:30,994 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3c60109c-3692-478b-adbb-de0d08ef79aa/bin/uautomizer/data/bed2cce10/5bca2b399d7545a89b53e86f3445272f/FLAG7cba2aadd [2019-12-07 15:38:31,437 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 15:38:31,437 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3c60109c-3692-478b-adbb-de0d08ef79aa/sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c [2019-12-07 15:38:31,448 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3c60109c-3692-478b-adbb-de0d08ef79aa/bin/uautomizer/data/bed2cce10/5bca2b399d7545a89b53e86f3445272f/FLAG7cba2aadd [2019-12-07 15:38:31,460 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3c60109c-3692-478b-adbb-de0d08ef79aa/bin/uautomizer/data/bed2cce10/5bca2b399d7545a89b53e86f3445272f [2019-12-07 15:38:31,463 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 15:38:31,464 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 15:38:31,464 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 15:38:31,464 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 15:38:31,467 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 15:38:31,467 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:38:31" (1/1) ... [2019-12-07 15:38:31,469 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c28c768 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:38:31, skipping insertion in model container [2019-12-07 15:38:31,469 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:38:31" (1/1) ... [2019-12-07 15:38:31,473 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 15:38:31,503 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 15:38:31,730 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:38:31,738 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 15:38:31,783 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:38:31,806 INFO L208 MainTranslator]: Completed translation [2019-12-07 15:38:31,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:38:31 WrapperNode [2019-12-07 15:38:31,806 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 15:38:31,807 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 15:38:31,807 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 15:38:31,807 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 15:38:31,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:38:31" (1/1) ... [2019-12-07 15:38:31,824 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:38:31" (1/1) ... [2019-12-07 15:38:31,846 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 15:38:31,846 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 15:38:31,846 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 15:38:31,846 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 15:38:31,853 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:38:31" (1/1) ... [2019-12-07 15:38:31,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:38:31" (1/1) ... [2019-12-07 15:38:31,856 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:38:31" (1/1) ... [2019-12-07 15:38:31,856 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:38:31" (1/1) ... [2019-12-07 15:38:31,862 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:38:31" (1/1) ... [2019-12-07 15:38:31,866 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:38:31" (1/1) ... [2019-12-07 15:38:31,868 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:38:31" (1/1) ... [2019-12-07 15:38:31,870 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 15:38:31,871 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 15:38:31,871 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 15:38:31,871 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 15:38:31,871 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:38:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c60109c-3692-478b-adbb-de0d08ef79aa/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 15:38:31,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 15:38:31,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 15:38:31,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 15:38:31,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 15:38:32,263 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 15:38:32,263 INFO L287 CfgBuilder]: Removed 102 assume(true) statements. [2019-12-07 15:38:32,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:38:32 BoogieIcfgContainer [2019-12-07 15:38:32,264 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 15:38:32,264 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 15:38:32,264 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 15:38:32,266 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 15:38:32,267 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 15:38:32,267 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 03:38:31" (1/3) ... [2019-12-07 15:38:32,268 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6de7c70e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 03:38:32, skipping insertion in model container [2019-12-07 15:38:32,268 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 15:38:32,268 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:38:31" (2/3) ... [2019-12-07 15:38:32,268 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6de7c70e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 03:38:32, skipping insertion in model container [2019-12-07 15:38:32,268 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 15:38:32,268 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:38:32" (3/3) ... [2019-12-07 15:38:32,269 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product15.cil.c [2019-12-07 15:38:32,296 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 15:38:32,296 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 15:38:32,296 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 15:38:32,296 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 15:38:32,296 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 15:38:32,297 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 15:38:32,297 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 15:38:32,297 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 15:38:32,307 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states. [2019-12-07 15:38:32,324 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2019-12-07 15:38:32,324 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 15:38:32,324 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 15:38:32,329 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:38:32,329 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:38:32,329 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 15:38:32,329 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states. [2019-12-07 15:38:32,333 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2019-12-07 15:38:32,333 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 15:38:32,333 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 15:38:32,333 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:38:32,333 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:38:32,337 INFO L794 eck$LassoCheckResult]: Stem: 30#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #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(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(13);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string26.base, #t~string26.offset, 1);call write~init~int(77, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(101, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(116, #t~string26.base, 3 + #t~string26.offset, 1);call write~init~int(104, #t~string26.base, 4 + #t~string26.offset, 1);call write~init~int(58, #t~string26.base, 5 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 6 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string28.base, #t~string28.offset, 1);call write~init~int(82, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(73, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(84, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 4 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(75, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.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(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4; 11#L-1true havoc main_#res;havoc main_#t~ret71, main_~retValue_acc~9, main_~tmp~7;havoc main_~retValue_acc~9;havoc main_~tmp~7; 46#L766true havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 69#L774true main_#t~ret71 := valid_product_#res;main_~tmp~7 := main_#t~ret71;havoc main_#t~ret71; 50#L901true assume 0 != main_~tmp~7; 5#L877true ~methAndRunningLastTime~0 := 0; 67#L785true havoc test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 70#L796-1true [2019-12-07 15:38:32,337 INFO L796 eck$LassoCheckResult]: Loop: 70#L796-1true assume !false; 53#L229true assume test_~splverifierCounter~0 < 4; 6#L230true test_~tmp~2 := test_#t~nondet19;havoc test_#t~nondet19; 37#L238true assume !(0 != test_~tmp~2); 34#L238-1true test_~tmp___0~0 := test_#t~nondet20;havoc test_#t~nondet20; 21#L248true assume !(0 != test_~tmp___0~0); 19#L248-1true test_~tmp___2~0 := test_#t~nondet21;havoc test_#t~nondet21; 68#L258true assume 0 != test_~tmp___2~0; 25#L264-1true assume !(0 != ~pumpRunning~0); 74#L57true assume !(0 != ~systemActive~0); 61#L64true havoc __utac_acc__Specification2_spec__2_#t~ret69, __utac_acc__Specification2_spec__2_#t~ret70, __utac_acc__Specification2_spec__2_~tmp~6, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~6;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 14#L329-1true __utac_acc__Specification2_spec__2_#t~ret69 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~6 := __utac_acc__Specification2_spec__2_#t~ret69;havoc __utac_acc__Specification2_spec__2_#t~ret69; 65#L796true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6);~methAndRunningLastTime~0 := 0; 70#L796-1true [2019-12-07 15:38:32,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:38:32,341 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2019-12-07 15:38:32,347 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:38:32,347 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403706024] [2019-12-07 15:38:32,347 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:38:32,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:38:32,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:38:32,541 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:38:32,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:38:32,542 INFO L82 PathProgramCache]: Analyzing trace with hash 10972499, now seen corresponding path program 1 times [2019-12-07 15:38:32,542 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:38:32,542 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404392341] [2019-12-07 15:38:32,543 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:38:32,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:38:32,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:38:32,553 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:38:32,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:38:32,554 INFO L82 PathProgramCache]: Analyzing trace with hash 844269005, now seen corresponding path program 1 times [2019-12-07 15:38:32,554 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:38:32,555 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428185865] [2019-12-07 15:38:32,555 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:38:32,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:38:32,641 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 15:38:32,642 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428185865] [2019-12-07 15:38:32,642 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:38:32,642 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 15:38:32,643 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801108708] [2019-12-07 15:38:32,700 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:38:32,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 15:38:32,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-07 15:38:32,712 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 6 states. [2019-12-07 15:38:32,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:38:32,838 INFO L93 Difference]: Finished difference Result 190 states and 265 transitions. [2019-12-07 15:38:32,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 15:38:32,840 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 190 states and 265 transitions. [2019-12-07 15:38:32,845 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 119 [2019-12-07 15:38:32,850 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 190 states to 169 states and 244 transitions. [2019-12-07 15:38:32,851 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 169 [2019-12-07 15:38:32,851 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 169 [2019-12-07 15:38:32,852 INFO L73 IsDeterministic]: Start isDeterministic. Operand 169 states and 244 transitions. [2019-12-07 15:38:32,853 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 15:38:32,853 INFO L688 BuchiCegarLoop]: Abstraction has 169 states and 244 transitions. [2019-12-07 15:38:32,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states and 244 transitions. [2019-12-07 15:38:32,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 109. [2019-12-07 15:38:32,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2019-12-07 15:38:32,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 157 transitions. [2019-12-07 15:38:32,879 INFO L711 BuchiCegarLoop]: Abstraction has 109 states and 157 transitions. [2019-12-07 15:38:32,879 INFO L591 BuchiCegarLoop]: Abstraction has 109 states and 157 transitions. [2019-12-07 15:38:32,880 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 15:38:32,880 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 109 states and 157 transitions. [2019-12-07 15:38:32,881 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 76 [2019-12-07 15:38:32,881 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 15:38:32,881 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 15:38:32,882 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:38:32,882 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:38:32,882 INFO L794 eck$LassoCheckResult]: Stem: 323#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #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(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(13);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string26.base, #t~string26.offset, 1);call write~init~int(77, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(101, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(116, #t~string26.base, 3 + #t~string26.offset, 1);call write~init~int(104, #t~string26.base, 4 + #t~string26.offset, 1);call write~init~int(58, #t~string26.base, 5 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 6 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string28.base, #t~string28.offset, 1);call write~init~int(82, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(73, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(84, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 4 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(75, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.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(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4; 295#L-1 havoc main_#res;havoc main_#t~ret71, main_~retValue_acc~9, main_~tmp~7;havoc main_~retValue_acc~9;havoc main_~tmp~7; 296#L766 havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 336#L774 main_#t~ret71 := valid_product_#res;main_~tmp~7 := main_#t~ret71;havoc main_#t~ret71; 339#L901 assume 0 != main_~tmp~7; 282#L877 ~methAndRunningLastTime~0 := 0; 283#L785 havoc test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 292#L796-1 [2019-12-07 15:38:32,882 INFO L796 eck$LassoCheckResult]: Loop: 292#L796-1 assume !false; 342#L229 assume test_~splverifierCounter~0 < 4; 284#L230 test_~tmp~2 := test_#t~nondet19;havoc test_#t~nondet19; 285#L238 assume !(0 != test_~tmp~2); 325#L238-1 test_~tmp___0~0 := test_#t~nondet20;havoc test_#t~nondet20; 312#L248 assume !(0 != test_~tmp___0~0); 308#L248-1 test_~tmp___2~0 := test_#t~nondet21;havoc test_#t~nondet21; 309#L258 assume 0 != test_~tmp___2~0; 317#L264-1 assume !(0 != ~pumpRunning~0); 316#L57 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret0, processEnvironment_~tmp~0;havoc processEnvironment_~tmp~0; 340#L89 assume !(0 != ~pumpRunning~0); 331#L64 havoc __utac_acc__Specification2_spec__2_#t~ret69, __utac_acc__Specification2_spec__2_#t~ret70, __utac_acc__Specification2_spec__2_~tmp~6, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~6;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 300#L329-1 __utac_acc__Specification2_spec__2_#t~ret69 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~6 := __utac_acc__Specification2_spec__2_#t~ret69;havoc __utac_acc__Specification2_spec__2_#t~ret69; 301#L796 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6);~methAndRunningLastTime~0 := 0; 292#L796-1 [2019-12-07 15:38:32,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:38:32,883 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2019-12-07 15:38:32,883 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:38:32,883 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760066547] [2019-12-07 15:38:32,883 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:38:32,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:38:32,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:38:32,938 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:38:32,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:38:32,939 INFO L82 PathProgramCache]: Analyzing trace with hash 319619009, now seen corresponding path program 1 times [2019-12-07 15:38:32,939 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:38:32,939 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65553254] [2019-12-07 15:38:32,939 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:38:32,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:38:32,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:38:32,946 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:38:32,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:38:32,947 INFO L82 PathProgramCache]: Analyzing trace with hash 382006919, now seen corresponding path program 1 times [2019-12-07 15:38:32,947 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:38:32,947 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882837046] [2019-12-07 15:38:32,947 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:38:32,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:38:32,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:38:32,998 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:38:57,698 WARN L192 SmtUtils]: Spent 24.65 s on a formula simplification. DAG size of input: 456 DAG size of output: 404 [2019-12-07 15:39:10,566 WARN L192 SmtUtils]: Spent 12.86 s on a formula simplification that was a NOOP. DAG size: 402 [2019-12-07 15:39:10,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 03:39:10 BoogieIcfgContainer [2019-12-07 15:39:10,625 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 15:39:10,625 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 15:39:10,626 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 15:39:10,626 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 15:39:10,626 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:38:32" (3/4) ... [2019-12-07 15:39:10,628 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-12-07 15:39:10,662 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_3c60109c-3692-478b-adbb-de0d08ef79aa/bin/uautomizer/witness.graphml [2019-12-07 15:39:10,662 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 15:39:10,663 INFO L168 Benchmark]: Toolchain (without parser) took 39199.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -111.9 MB). Peak memory consumption was 28.6 MB. Max. memory is 11.5 GB. [2019-12-07 15:39:10,663 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:39:10,664 INFO L168 Benchmark]: CACSL2BoogieTranslator took 342.27 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.8 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -142.7 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-12-07 15:39:10,664 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.42 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 15:39:10,664 INFO L168 Benchmark]: Boogie Preprocessor took 24.20 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:39:10,664 INFO L168 Benchmark]: RCFGBuilder took 393.15 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: 56.0 MB). Peak memory consumption was 56.0 MB. Max. memory is 11.5 GB. [2019-12-07 15:39:10,665 INFO L168 Benchmark]: BuchiAutomizer took 38361.10 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 47.7 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -44.7 MB). Peak memory consumption was 242.5 MB. Max. memory is 11.5 GB. [2019-12-07 15:39:10,665 INFO L168 Benchmark]: Witness Printer took 36.50 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: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 11.5 GB. [2019-12-07 15:39:10,667 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 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 342.27 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.8 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -142.7 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.42 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.20 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 393.15 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: 56.0 MB). Peak memory consumption was 56.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 38361.10 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 47.7 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -44.7 MB). Peak memory consumption was 242.5 MB. Max. memory is 11.5 GB. * Witness Printer took 36.50 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: 8.9 MB). Peak memory consumption was 8.9 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 6 locations. The remainder module has 109 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 38.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 38.0s. 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, 60 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 109 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 96 SDtfs, 361 SDslu, 539 SDs, 0 SdLazy, 42 SolverSat, 9 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: 228]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=7605} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=14593, NULL=14594, NULL=0, NULL=7605, NULL=0, NULL=0, NULL=14601, retValue_acc=0, NULL=14602, NULL=14590, methaneLevelCritical=0, NULL=7606, tmp=0, NULL=0, tmp___1=0, NULL=0, NULL=0, NULL=0, NULL=14606, cleanupTimeShifts=4, NULL=14596, NULL=14598, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=0, NULL=0, NULL=0, NULL=14600, retValue_acc=0, NULL=0, NULL=0, tmp___0=0, NULL=0, NULL=14597, NULL=0, NULL=0, NULL=0, NULL=14592, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@423d22cb=0, NULL=21152, head=0, pumpRunning=0, \result=0, NULL=21153, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@38767483=0, NULL=0, tmp=1, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@46a05442=0, NULL=14605, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@58a09d0b=0, tmp___2=55, tmp___0=0, NULL=24528, NULL=14591, splverifierCounter=0, methAndRunningLastTime=0, \result=0, NULL=21150, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@367e4302=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6544c4c8=55, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7d820a20=0, NULL=0, NULL=0, NULL=14604, NULL=0, NULL=24534, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@76ac481=0, NULL=14599, NULL=14595, NULL=14603, NULL=21151, NULL=7607, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L49] int pumpRunning = 0; [L50] int systemActive = 1; [L286] int waterLevel = 1; [L287] int methaneLevelCritical = 0; [L544] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L779] int methAndRunningLastTime ; [L818] int cleanupTimeShifts = 4; [L892] int retValue_acc ; [L893] int tmp ; [L770] int retValue_acc ; [L773] retValue_acc = 1 [L774] return (retValue_acc); [L899] tmp = valid_product() [L901] COND TRUE \read(tmp) [L784] methAndRunningLastTime = 0 [L219] int splverifierCounter ; [L220] int tmp ; [L221] int tmp___0 ; [L222] int tmp___1 ; [L223] int tmp___2 ; [L226] splverifierCounter = 0 Loop: [L228] COND TRUE 1 [L230] COND TRUE splverifierCounter < 4 [L236] tmp = __VERIFIER_nondet_int() [L238] COND FALSE !(\read(tmp)) [L246] tmp___0 = __VERIFIER_nondet_int() [L248] COND FALSE !(\read(tmp___0)) [L256] tmp___2 = __VERIFIER_nondet_int() [L258] COND TRUE \read(tmp___2) [L57] COND FALSE !(\read(pumpRunning)) [L64] COND TRUE \read(systemActive) [L86] int tmp ; [L89] COND FALSE !(\read(pumpRunning)) [L789] int tmp ; [L790] int tmp___0 ; [L325] int retValue_acc ; [L328] retValue_acc = methaneLevelCritical [L329] return (retValue_acc); [L794] tmp = isMethaneLevelCritical() [L796] COND FALSE !(\read(tmp)) [L812] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...