./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f23ba85e-2d9c-488f-bf89-2309933d8ec5/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f23ba85e-2d9c-488f-bf89-2309933d8ec5/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f23ba85e-2d9c-488f-bf89-2309933d8ec5/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f23ba85e-2d9c-488f-bf89-2309933d8ec5/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f23ba85e-2d9c-488f-bf89-2309933d8ec5/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f23ba85e-2d9c-488f-bf89-2309933d8ec5/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 ccadd62ee8105295b69b007526cf1ebacb802621 ................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:58:12,874 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:58:12,875 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:58:12,890 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:58:12,890 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:58:12,891 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:58:12,893 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:58:12,901 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:58:12,905 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:58:12,909 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:58:12,911 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:58:12,912 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:58:12,913 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:58:12,915 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:58:12,916 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:58:12,916 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:58:12,917 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:58:12,918 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:58:12,920 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:58:12,924 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:58:12,927 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:58:12,930 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:58:12,932 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:58:12,933 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:58:12,937 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:58:12,937 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:58:12,938 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:58:12,939 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:58:12,939 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:58:12,940 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:58:12,941 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:58:12,941 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:58:12,942 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:58:12,943 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:58:12,944 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:58:12,944 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:58:12,945 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:58:12,945 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:58:12,945 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:58:12,946 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:58:12,947 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:58:12,948 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f23ba85e-2d9c-488f-bf89-2309933d8ec5/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-25 08:58:12,974 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:58:12,974 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:58:12,975 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:58:12,985 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:58:12,985 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:58:12,985 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-25 08:58:12,985 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-25 08:58:12,986 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-25 08:58:12,986 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-25 08:58:12,986 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-25 08:58:12,986 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-25 08:58:12,986 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:58:12,986 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:58:12,987 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 08:58:12,987 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:58:12,987 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:58:12,987 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:58:12,987 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-25 08:58:12,988 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-25 08:58:12,988 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-25 08:58:12,988 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:58:12,988 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:58:12,988 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-25 08:58:12,988 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:58:12,989 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-25 08:58:12,989 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:58:12,989 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:58:12,989 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-25 08:58:12,989 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:58:12,990 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:58:12,990 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-25 08:58:12,990 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-25 08:58:12,991 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_f23ba85e-2d9c-488f-bf89-2309933d8ec5/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 -> ccadd62ee8105295b69b007526cf1ebacb802621 [2019-11-25 08:58:13,163 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:58:13,175 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:58:13,178 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:58:13,180 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:58:13,181 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:58:13,181 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f23ba85e-2d9c-488f-bf89-2309933d8ec5/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c [2019-11-25 08:58:13,241 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f23ba85e-2d9c-488f-bf89-2309933d8ec5/bin/uautomizer/data/b75bea835/b68412293a12468a8c5b22c4a1c7fd60/FLAG84043f378 [2019-11-25 08:58:13,663 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:58:13,663 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f23ba85e-2d9c-488f-bf89-2309933d8ec5/sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c [2019-11-25 08:58:13,676 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f23ba85e-2d9c-488f-bf89-2309933d8ec5/bin/uautomizer/data/b75bea835/b68412293a12468a8c5b22c4a1c7fd60/FLAG84043f378 [2019-11-25 08:58:14,064 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f23ba85e-2d9c-488f-bf89-2309933d8ec5/bin/uautomizer/data/b75bea835/b68412293a12468a8c5b22c4a1c7fd60 [2019-11-25 08:58:14,066 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:58:14,067 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:58:14,068 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:58:14,069 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:58:14,072 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:58:14,072 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:58:14" (1/1) ... [2019-11-25 08:58:14,075 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@507bfb2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:14, skipping insertion in model container [2019-11-25 08:58:14,075 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:58:14" (1/1) ... [2019-11-25 08:58:14,082 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:58:14,131 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:58:14,480 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:58:14,491 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:58:14,569 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:58:14,597 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:58:14,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:14 WrapperNode [2019-11-25 08:58:14,601 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:58:14,602 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:58:14,602 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:58:14,602 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:58:14,610 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:14" (1/1) ... [2019-11-25 08:58:14,630 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:14" (1/1) ... [2019-11-25 08:58:14,669 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:58:14,670 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:58:14,671 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:58:14,671 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:58:14,679 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:14" (1/1) ... [2019-11-25 08:58:14,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:14" (1/1) ... [2019-11-25 08:58:14,683 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:14" (1/1) ... [2019-11-25 08:58:14,684 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:14" (1/1) ... [2019-11-25 08:58:14,696 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:14" (1/1) ... [2019-11-25 08:58:14,705 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:14" (1/1) ... [2019-11-25 08:58:14,708 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:14" (1/1) ... [2019-11-25 08:58:14,711 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:58:14,712 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:58:14,712 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:58:14,712 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:58:14,713 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f23ba85e-2d9c-488f-bf89-2309933d8ec5/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 [2019-11-25 08:58:14,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:58:14,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-25 08:58:14,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:58:14,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:58:15,401 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:58:15,401 INFO L284 CfgBuilder]: Removed 72 assume(true) statements. [2019-11-25 08:58:15,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:58:15 BoogieIcfgContainer [2019-11-25 08:58:15,402 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:58:15,403 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-25 08:58:15,403 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-25 08:58:15,406 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-25 08:58:15,407 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:58:15,407 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 08:58:14" (1/3) ... [2019-11-25 08:58:15,408 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1fbd1d97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:58:15, skipping insertion in model container [2019-11-25 08:58:15,408 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:58:15,409 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:14" (2/3) ... [2019-11-25 08:58:15,409 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1fbd1d97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:58:15, skipping insertion in model container [2019-11-25 08:58:15,409 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:58:15,409 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:58:15" (3/3) ... [2019-11-25 08:58:15,411 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product01.cil.c [2019-11-25 08:58:15,447 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-25 08:58:15,447 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-25 08:58:15,447 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-25 08:58:15,447 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:58:15,447 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:58:15,448 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-25 08:58:15,448 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:58:15,448 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-25 08:58:15,460 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 60 states. [2019-11-25 08:58:15,480 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 37 [2019-11-25 08:58:15,480 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:58:15,480 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:58:15,488 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-25 08:58:15,488 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:58:15,488 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-25 08:58:15,488 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 60 states. [2019-11-25 08:58:15,493 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 37 [2019-11-25 08:58:15,493 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:58:15,493 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:58:15,493 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-25 08:58:15,494 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:58:15,498 INFO L794 eck$LassoCheckResult]: Stem: 25#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string4.base, #t~string4.offset, 1);call write~init~int(110, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 2 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(102, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(102, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 3 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string8.base, #t~string8.offset, 1);call write~init~int(80, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(117, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(109, #t~string8.base, 3 + #t~string8.offset, 1);call write~init~int(112, #t~string8.base, 4 + #t~string8.offset, 1);call write~init~int(58, #t~string8.base, 5 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 6 + #t~string8.offset, 1);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(3);call write~init~int(41, #t~string14.base, #t~string14.offset, 1);call write~init~int(32, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(13);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string29.base, #t~string29.offset, 1);call write~init~int(77, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(101, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(116, #t~string29.base, 3 + #t~string29.offset, 1);call write~init~int(104, #t~string29.base, 4 + #t~string29.offset, 1);call write~init~int(58, #t~string29.base, 5 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 6 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string31.base, #t~string31.offset, 1);call write~init~int(82, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(73, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(84, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 4 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string33.base, #t~string33.offset, 1);call write~init~int(75, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 2 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string35.base, #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 1 + #t~string35.offset, 1);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~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(21);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);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 8#L-1true havoc main_#res;havoc main_#t~ret25, main_~retValue_acc~4, main_~tmp~2;havoc main_~retValue_acc~4;havoc main_~tmp~2; 29#L249true havoc valid_product_#res;havoc valid_product_~retValue_acc~3;havoc valid_product_~retValue_acc~3;valid_product_~retValue_acc~3 := 1;valid_product_#res := valid_product_~retValue_acc~3; 42#L257true main_#t~ret25 := valid_product_#res;main_~tmp~2 := main_#t~ret25;havoc main_#t~ret25; 48#L389true assume 0 != main_~tmp~2; 17#L366true havoc test_#t~nondet17, test_#t~nondet18, test_#t~nondet19, test_#t~nondet20, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 40#L279-1true [2019-11-25 08:58:15,499 INFO L796 eck$LassoCheckResult]: Loop: 40#L279-1true assume !false; 54#L170true assume test_~splverifierCounter~0 < 4; 10#L171true test_~tmp~0 := test_#t~nondet17;havoc test_#t~nondet17; 7#L179true assume !(0 != test_~tmp~0); 5#L179-1true test_~tmp___0~0 := test_#t~nondet18;havoc test_#t~nondet18; 53#L189true assume !(0 != test_~tmp___0~0); 52#L189-1true test_~tmp___2~0 := test_#t~nondet19;havoc test_#t~nondet19; 33#L199true assume 0 != test_~tmp___2~0; 26#L205-2true assume !(0 != ~pumpRunning~0); 47#L56true assume 0 != ~systemActive~0; 37#L63true havoc __utac_acc__Specification3_spec__1_#t~ret22, __utac_acc__Specification3_spec__1_#t~ret23, __utac_acc__Specification3_spec__1_#t~ret24, __utac_acc__Specification3_spec__1_~tmp~1, __utac_acc__Specification3_spec__1_~tmp___0~1, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~1;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~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; 9#L446true __utac_acc__Specification3_spec__1_#t~ret22 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~1 := __utac_acc__Specification3_spec__1_#t~ret22;havoc __utac_acc__Specification3_spec__1_#t~ret22; 51#L273true assume 0 != __utac_acc__Specification3_spec__1_~tmp~1; 40#L279-1true [2019-11-25 08:58:15,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:58:15,505 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-25 08:58:15,514 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:58:15,514 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971780010] [2019-11-25 08:58:15,515 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:58:15,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:15,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:15,792 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:58:15,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:58:15,793 INFO L82 PathProgramCache]: Analyzing trace with hash -1682573544, now seen corresponding path program 1 times [2019-11-25 08:58:15,794 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:58:15,794 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018821265] [2019-11-25 08:58:15,794 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:58:15,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:15,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:15,814 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:58:15,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:58:15,815 INFO L82 PathProgramCache]: Analyzing trace with hash 31705394, now seen corresponding path program 1 times [2019-11-25 08:58:15,816 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:58:15,816 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112059117] [2019-11-25 08:58:15,816 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:58:15,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:58:16,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:58:16,030 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112059117] [2019-11-25 08:58:16,031 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:58:16,031 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:58:16,032 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260635405] [2019-11-25 08:58:16,134 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:58:16,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:58:16,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:58:16,153 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 5 states. [2019-11-25 08:58:16,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:58:16,315 INFO L93 Difference]: Finished difference Result 185 states and 263 transitions. [2019-11-25 08:58:16,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-25 08:58:16,317 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 185 states and 263 transitions. [2019-11-25 08:58:16,325 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 114 [2019-11-25 08:58:16,332 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 185 states to 163 states and 241 transitions. [2019-11-25 08:58:16,334 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 163 [2019-11-25 08:58:16,335 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 163 [2019-11-25 08:58:16,336 INFO L73 IsDeterministic]: Start isDeterministic. Operand 163 states and 241 transitions. [2019-11-25 08:58:16,337 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:58:16,338 INFO L688 BuchiCegarLoop]: Abstraction has 163 states and 241 transitions. [2019-11-25 08:58:16,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states and 241 transitions. [2019-11-25 08:58:16,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 100. [2019-11-25 08:58:16,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2019-11-25 08:58:16,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 140 transitions. [2019-11-25 08:58:16,367 INFO L711 BuchiCegarLoop]: Abstraction has 100 states and 140 transitions. [2019-11-25 08:58:16,367 INFO L591 BuchiCegarLoop]: Abstraction has 100 states and 140 transitions. [2019-11-25 08:58:16,367 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-25 08:58:16,367 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 100 states and 140 transitions. [2019-11-25 08:58:16,369 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 70 [2019-11-25 08:58:16,370 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:58:16,370 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:58:16,370 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-25 08:58:16,370 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:58:16,371 INFO L794 eck$LassoCheckResult]: Stem: 301#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string4.base, #t~string4.offset, 1);call write~init~int(110, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 2 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(102, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(102, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 3 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string8.base, #t~string8.offset, 1);call write~init~int(80, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(117, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(109, #t~string8.base, 3 + #t~string8.offset, 1);call write~init~int(112, #t~string8.base, 4 + #t~string8.offset, 1);call write~init~int(58, #t~string8.base, 5 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 6 + #t~string8.offset, 1);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(3);call write~init~int(41, #t~string14.base, #t~string14.offset, 1);call write~init~int(32, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(13);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string29.base, #t~string29.offset, 1);call write~init~int(77, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(101, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(116, #t~string29.base, 3 + #t~string29.offset, 1);call write~init~int(104, #t~string29.base, 4 + #t~string29.offset, 1);call write~init~int(58, #t~string29.base, 5 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 6 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string31.base, #t~string31.offset, 1);call write~init~int(82, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(73, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(84, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 4 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string33.base, #t~string33.offset, 1);call write~init~int(75, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 2 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string35.base, #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 1 + #t~string35.offset, 1);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~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(21);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);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 274#L-1 havoc main_#res;havoc main_#t~ret25, main_~retValue_acc~4, main_~tmp~2;havoc main_~retValue_acc~4;havoc main_~tmp~2; 275#L249 havoc valid_product_#res;havoc valid_product_~retValue_acc~3;havoc valid_product_~retValue_acc~3;valid_product_~retValue_acc~3 := 1;valid_product_#res := valid_product_~retValue_acc~3; 304#L257 main_#t~ret25 := valid_product_#res;main_~tmp~2 := main_#t~ret25;havoc main_#t~ret25; 319#L389 assume 0 != main_~tmp~2; 287#L366 havoc test_#t~nondet17, test_#t~nondet18, test_#t~nondet19, test_#t~nondet20, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 288#L279-1 [2019-11-25 08:58:16,371 INFO L796 eck$LassoCheckResult]: Loop: 288#L279-1 assume !false; 318#L170 assume test_~splverifierCounter~0 < 4; 330#L171 test_~tmp~0 := test_#t~nondet17;havoc test_#t~nondet17; 365#L179 assume !(0 != test_~tmp~0); 363#L179-1 test_~tmp___0~0 := test_#t~nondet18;havoc test_#t~nondet18; 362#L189 assume !(0 != test_~tmp___0~0); 361#L189-1 test_~tmp___2~0 := test_#t~nondet19;havoc test_#t~nondet19; 360#L199 assume 0 != test_~tmp___2~0; 357#L205-2 assume !(0 != ~pumpRunning~0); 356#L56 assume 0 != ~systemActive~0; 355#L63 havoc __utac_acc__Specification3_spec__1_#t~ret22, __utac_acc__Specification3_spec__1_#t~ret23, __utac_acc__Specification3_spec__1_#t~ret24, __utac_acc__Specification3_spec__1_~tmp~1, __utac_acc__Specification3_spec__1_~tmp___0~1, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~1;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~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; 276#L446 __utac_acc__Specification3_spec__1_#t~ret22 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~1 := __utac_acc__Specification3_spec__1_#t~ret22;havoc __utac_acc__Specification3_spec__1_#t~ret22; 277#L273 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~1);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~6;havoc getWaterLevel_~retValue_acc~6;getWaterLevel_~retValue_acc~6 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~6; 331#L478 __utac_acc__Specification3_spec__1_#t~ret23 := getWaterLevel_#res;__utac_acc__Specification3_spec__1_~tmp___0~1 := __utac_acc__Specification3_spec__1_#t~ret23;havoc __utac_acc__Specification3_spec__1_#t~ret23; 332#L279 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~1); 288#L279-1 [2019-11-25 08:58:16,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:58:16,371 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-11-25 08:58:16,372 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:58:16,372 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937241460] [2019-11-25 08:58:16,372 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:58:16,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:16,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:16,538 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:58:16,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:58:16,546 INFO L82 PathProgramCache]: Analyzing trace with hash -2045467414, now seen corresponding path program 1 times [2019-11-25 08:58:16,546 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:58:16,546 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730741866] [2019-11-25 08:58:16,546 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:58:16,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:16,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:16,558 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:58:16,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:58:16,558 INFO L82 PathProgramCache]: Analyzing trace with hash 404117636, now seen corresponding path program 1 times [2019-11-25 08:58:16,558 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:58:16,559 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850906972] [2019-11-25 08:58:16,559 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:58:16,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:16,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:16,642 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:58:42,301 WARN L192 SmtUtils]: Spent 25.53 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2019-11-25 08:58:54,660 WARN L192 SmtUtils]: Spent 12.36 s on a formula simplification that was a NOOP. DAG size: 400 [2019-11-25 08:58:54,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 08:58:54 BoogieIcfgContainer [2019-11-25 08:58:54,734 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-25 08:58:54,736 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:58:54,736 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:58:54,736 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:58:54,737 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:58:15" (3/4) ... [2019-11-25 08:58:54,744 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-25 08:58:54,796 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f23ba85e-2d9c-488f-bf89-2309933d8ec5/bin/uautomizer/witness.graphml [2019-11-25 08:58:54,797 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:58:54,798 INFO L168 Benchmark]: Toolchain (without parser) took 40730.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 190.8 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -169.1 MB). Peak memory consumption was 21.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:58:54,798 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:58:54,799 INFO L168 Benchmark]: CACSL2BoogieTranslator took 533.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -178.3 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-11-25 08:58:54,800 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.33 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:58:54,800 INFO L168 Benchmark]: Boogie Preprocessor took 40.88 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:58:54,801 INFO L168 Benchmark]: RCFGBuilder took 690.95 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: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. [2019-11-25 08:58:54,801 INFO L168 Benchmark]: BuchiAutomizer took 39332.29 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 50.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -61.1 MB). Peak memory consumption was 246.5 MB. Max. memory is 11.5 GB. [2019-11-25 08:58:54,802 INFO L168 Benchmark]: Witness Printer took 60.83 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. [2019-11-25 08:58:54,805 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 533.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -178.3 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 68.33 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.88 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 690.95 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: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 39332.29 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 50.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -61.1 MB). Peak memory consumption was 246.5 MB. Max. memory is 11.5 GB. * Witness Printer took 60.83 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 39.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 38.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. 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: 169]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=2436} State at position 1 is {NULL=0, NULL=0, NULL=2440, NULL=2442, NULL=0, NULL=2436, retValue_acc=0, NULL=2450, NULL=2443, NULL=2446, methaneLevelCritical=0, NULL=2454, NULL=0, NULL=0, NULL=2455, NULL=0, NULL=2460, NULL=0, NULL=2456, tmp___1=0, NULL=2438, NULL=0, NULL=0, NULL=0, NULL=0, tmp=0, cleanupTimeShifts=4, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6a430a15=0, NULL=2439, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5f99af7c=0, NULL=2453, tmp___0=1, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=2451, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1b81e8ae=0, NULL=0, NULL=2459, NULL=0, retValue_acc=0, NULL=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7af702d8=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=2437, \result=1, head=0, pumpRunning=0, NULL=2445, \result=0, NULL=2461, tmp=1, NULL=0, NULL=0, NULL=0, NULL=2449, retValue_acc=1, NULL=2448, retValue_acc=1, tmp___2=64, splverifierCounter=0, NULL=0, \result=0, NULL=2457, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@57f4d263=64, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@460302e7=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6a6473d0=0, NULL=2444, tmp___1=0, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@37a6149b=0, NULL=2452, NULL=2441, NULL=0, NULL=2447, NULL=2458} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L48] int pumpRunning = 0; [L49] int systemActive = 1; [L307] int cleanupTimeShifts = 4; [L403] int waterLevel = 1; [L404] int methaneLevelCritical = 0; [L652] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L380] int retValue_acc ; [L381] int tmp ; [L253] int retValue_acc ; [L256] retValue_acc = 1 [L257] return (retValue_acc); [L387] tmp = valid_product() [L389] COND TRUE \read(tmp) [L160] int splverifierCounter ; [L161] int tmp ; [L162] int tmp___0 ; [L163] int tmp___1 ; [L164] int tmp___2 ; [L167] splverifierCounter = 0 Loop: [L169] COND TRUE 1 [L171] COND TRUE splverifierCounter < 4 [L177] tmp = __VERIFIER_nondet_int() [L179] COND FALSE !(\read(tmp)) [L187] tmp___0 = __VERIFIER_nondet_int() [L189] COND FALSE !(\read(tmp___0)) [L197] tmp___2 = __VERIFIER_nondet_int() [L199] COND TRUE \read(tmp___2) [L56] COND FALSE !(\read(pumpRunning)) [L63] COND TRUE \read(systemActive) [L265] int tmp ; [L266] int tmp___0 ; [L267] int tmp___1 ; [L442] int retValue_acc ; [L445] retValue_acc = methaneLevelCritical [L446] return (retValue_acc); [L271] tmp = isMethaneLevelCritical() [L273] COND FALSE !(\read(tmp)) [L474] int retValue_acc ; [L477] retValue_acc = waterLevel [L478] return (retValue_acc); [L277] tmp___0 = getWaterLevel() [L279] COND FALSE !(tmp___0 == 2) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...