./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/bitvector/jain_6-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1eb003f9-f1c3-4700-a7e9-cad1e025ffd6/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_1eb003f9-f1c3-4700-a7e9-cad1e025ffd6/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1eb003f9-f1c3-4700-a7e9-cad1e025ffd6/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1eb003f9-f1c3-4700-a7e9-cad1e025ffd6/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/bitvector/jain_6-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1eb003f9-f1c3-4700-a7e9-cad1e025ffd6/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1eb003f9-f1c3-4700-a7e9-cad1e025ffd6/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 6dab293a64c18d6e975bf94d3b2a81dc202425d6 ...................................................................................................................................................................................................................................................................................... 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 0.2.0-a4ecdab [2020-11-28 03:14:00,359 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:14:00,361 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:14:00,421 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:14:00,422 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:14:00,428 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:14:00,433 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:14:00,442 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:14:00,456 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:14:00,463 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:14:00,465 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:14:00,472 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:14:00,473 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:14:00,477 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:14:00,479 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:14:00,483 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:14:00,485 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:14:00,487 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:14:00,494 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:14:00,503 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:14:00,506 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:14:00,508 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:14:00,512 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:14:00,513 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:14:00,524 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:14:00,525 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:14:00,526 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:14:00,528 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:14:00,529 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:14:00,531 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:14:00,531 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:14:00,533 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:14:00,536 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:14:00,537 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:14:00,539 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:14:00,539 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:14:00,541 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:14:00,541 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:14:00,541 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:14:00,543 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:14:00,545 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:14:00,553 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1eb003f9-f1c3-4700-a7e9-cad1e025ffd6/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-28 03:14:00,581 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:14:00,581 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:14:00,582 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:14:00,583 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:14:00,583 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:14:00,583 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-28 03:14:00,583 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-28 03:14:00,584 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-28 03:14:00,584 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-28 03:14:00,584 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-28 03:14:00,584 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-28 03:14:00,584 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:14:00,585 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:14:00,585 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:14:00,585 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:14:00,585 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:14:00,586 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:14:00,586 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-28 03:14:00,586 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-28 03:14:00,586 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-28 03:14:00,586 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:14:00,587 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:14:00,587 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-28 03:14:00,587 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:14:00,587 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-28 03:14:00,587 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:14:00,588 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:14:00,588 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-28 03:14:00,588 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:14:00,588 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:14:00,589 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:14:00,589 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-28 03:14:00,590 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-28 03:14:00,591 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_1eb003f9-f1c3-4700-a7e9-cad1e025ffd6/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_1eb003f9-f1c3-4700-a7e9-cad1e025ffd6/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6dab293a64c18d6e975bf94d3b2a81dc202425d6 [2020-11-28 03:14:00,975 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:14:01,019 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:14:01,025 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:14:01,027 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:14:01,028 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:14:01,029 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1eb003f9-f1c3-4700-a7e9-cad1e025ffd6/bin/uautomizer/../../sv-benchmarks/c/bitvector/jain_6-1.c [2020-11-28 03:14:01,116 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1eb003f9-f1c3-4700-a7e9-cad1e025ffd6/bin/uautomizer/data/a4c6b514d/273ef805a3814338ad72179b2c4729e7/FLAG2323ede85 [2020-11-28 03:14:01,749 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:14:01,749 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1eb003f9-f1c3-4700-a7e9-cad1e025ffd6/sv-benchmarks/c/bitvector/jain_6-1.c [2020-11-28 03:14:01,761 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1eb003f9-f1c3-4700-a7e9-cad1e025ffd6/bin/uautomizer/data/a4c6b514d/273ef805a3814338ad72179b2c4729e7/FLAG2323ede85 [2020-11-28 03:14:02,124 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1eb003f9-f1c3-4700-a7e9-cad1e025ffd6/bin/uautomizer/data/a4c6b514d/273ef805a3814338ad72179b2c4729e7 [2020-11-28 03:14:02,127 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:14:02,129 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:14:02,134 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:14:02,134 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:14:02,138 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:14:02,140 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:14:02" (1/1) ... [2020-11-28 03:14:02,142 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fc5c0cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:02, skipping insertion in model container [2020-11-28 03:14:02,143 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:14:02" (1/1) ... [2020-11-28 03:14:02,151 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:14:02,167 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:14:02,324 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:14:02,335 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:14:02,352 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:14:02,393 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:14:02,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:02 WrapperNode [2020-11-28 03:14:02,397 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:14:02,400 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:14:02,401 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:14:02,401 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:14:02,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:02" (1/1) ... [2020-11-28 03:14:02,416 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:02" (1/1) ... [2020-11-28 03:14:02,432 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:14:02,433 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:14:02,433 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:14:02,433 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:14:02,441 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:02" (1/1) ... [2020-11-28 03:14:02,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:02" (1/1) ... [2020-11-28 03:14:02,443 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:02" (1/1) ... [2020-11-28 03:14:02,443 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:02" (1/1) ... [2020-11-28 03:14:02,446 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:02" (1/1) ... [2020-11-28 03:14:02,450 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:02" (1/1) ... [2020-11-28 03:14:02,451 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:02" (1/1) ... [2020-11-28 03:14:02,452 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:14:02,453 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:14:02,454 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:14:02,454 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:14:02,455 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1eb003f9-f1c3-4700-a7e9-cad1e025ffd6/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 [2020-11-28 03:14:02,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:14:02,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:14:02,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:14:02,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:14:02,979 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:14:02,980 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-28 03:14:02,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:14:02 BoogieIcfgContainer [2020-11-28 03:14:02,982 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:14:02,983 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-28 03:14:02,983 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-28 03:14:02,988 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-28 03:14:02,988 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:14:02,989 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:14:02" (1/3) ... [2020-11-28 03:14:02,990 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6bf67302 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:14:02, skipping insertion in model container [2020-11-28 03:14:02,990 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:14:02,990 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:02" (2/3) ... [2020-11-28 03:14:02,991 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6bf67302 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:14:02, skipping insertion in model container [2020-11-28 03:14:02,991 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:14:02,991 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:14:02" (3/3) ... [2020-11-28 03:14:02,994 INFO L373 chiAutomizerObserver]: Analyzing ICFG jain_6-1.c [2020-11-28 03:14:03,061 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-28 03:14:03,062 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-28 03:14:03,062 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-28 03:14:03,062 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:14:03,062 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:14:03,062 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-28 03:14:03,062 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:14:03,062 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-28 03:14:03,073 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2020-11-28 03:14:03,090 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-11-28 03:14:03,091 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:14:03,091 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:14:03,097 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-11-28 03:14:03,097 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-28 03:14:03,097 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-28 03:14:03,097 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2020-11-28 03:14:03,098 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-11-28 03:14:03,098 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:14:03,099 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:14:03,099 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-11-28 03:14:03,099 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-28 03:14:03,105 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(11);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 3#L-1true havoc main_#res;havoc main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~x~0 := 0;main_~y~0 := 0;main_~z~0 := 0; 4#L7-2true [2020-11-28 03:14:03,105 INFO L796 eck$LassoCheckResult]: Loop: 4#L7-2true assume !false;main_~x~0 := main_~x~0 + 2 * main_#t~nondet7;havoc main_#t~nondet7;main_~y~0 := main_~y~0 + 4 * main_#t~nondet8;havoc main_#t~nondet8;main_~z~0 := main_~z~0 + 8 * main_#t~nondet9;havoc main_#t~nondet9;__VERIFIER_assert_#in~cond := (if 4 != (4 * main_~x~0 + 2 * main_~y~0 + main_~z~0) % 4294967296 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 7#L7true assume !(0 == __VERIFIER_assert_~cond); 4#L7-2true [2020-11-28 03:14:03,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:03,111 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-11-28 03:14:03,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:03,119 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106119028] [2020-11-28 03:14:03,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:03,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:14:03,226 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:14:03,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:14:03,245 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:14:03,267 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:14:03,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:03,269 INFO L82 PathProgramCache]: Analyzing trace with hash 1322, now seen corresponding path program 1 times [2020-11-28 03:14:03,270 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:03,270 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093938157] [2020-11-28 03:14:03,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:03,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:14:03,322 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:14:03,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:14:03,344 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:14:03,353 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:14:03,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:03,357 INFO L82 PathProgramCache]: Analyzing trace with hash 925804, now seen corresponding path program 1 times [2020-11-28 03:14:03,357 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:03,358 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199263369] [2020-11-28 03:14:03,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:03,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:14:03,422 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:14:03,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:14:03,447 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:14:03,452 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:14:03,630 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 35 [2020-11-28 03:14:03,838 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2020-11-28 03:14:03,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:14:03 BoogieIcfgContainer [2020-11-28 03:14:03,964 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-28 03:14:03,966 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:14:03,966 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:14:03,966 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:14:03,967 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:14:02" (3/4) ... [2020-11-28 03:14:03,971 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2020-11-28 03:14:04,036 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_1eb003f9-f1c3-4700-a7e9-cad1e025ffd6/bin/uautomizer/witness.graphml [2020-11-28 03:14:04,037 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:14:04,040 INFO L168 Benchmark]: Toolchain (without parser) took 1909.67 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 66.6 MB in the beginning and 51.7 MB in the end (delta: 14.9 MB). Peak memory consumption was 36.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:04,040 INFO L168 Benchmark]: CDTParser took 1.06 ms. Allocated memory is still 96.5 MB. Free memory is still 53.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:14:04,042 INFO L168 Benchmark]: CACSL2BoogieTranslator took 264.70 ms. Allocated memory is still 96.5 MB. Free memory was 66.4 MB in the beginning and 73.2 MB in the end (delta: -6.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:04,045 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.15 ms. Allocated memory is still 96.5 MB. Free memory was 73.2 MB in the beginning and 71.8 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:14:04,046 INFO L168 Benchmark]: Boogie Preprocessor took 19.67 ms. Allocated memory is still 96.5 MB. Free memory was 71.8 MB in the beginning and 70.8 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:04,049 INFO L168 Benchmark]: RCFGBuilder took 528.52 ms. Allocated memory is still 96.5 MB. Free memory was 70.8 MB in the beginning and 60.3 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:04,050 INFO L168 Benchmark]: BuchiAutomizer took 981.78 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 60.3 MB in the beginning and 53.8 MB in the end (delta: 6.5 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:04,051 INFO L168 Benchmark]: Witness Printer took 71.55 ms. Allocated memory is still 117.4 MB. Free memory was 53.8 MB in the beginning and 51.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:04,055 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.06 ms. Allocated memory is still 96.5 MB. Free memory is still 53.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 264.70 ms. Allocated memory is still 96.5 MB. Free memory was 66.4 MB in the beginning and 73.2 MB in the end (delta: -6.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 32.15 ms. Allocated memory is still 96.5 MB. Free memory was 73.2 MB in the beginning and 71.8 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 19.67 ms. Allocated memory is still 96.5 MB. Free memory was 71.8 MB in the beginning and 70.8 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 528.52 ms. Allocated memory is still 96.5 MB. Free memory was 70.8 MB in the beginning and 60.3 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 981.78 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 60.3 MB in the beginning and 53.8 MB in the end (delta: 6.5 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. * Witness Printer took 71.55 ms. Allocated memory is still 117.4 MB. Free memory was 53.8 MB in the beginning and 51.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.8s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 1]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=32613} State at position 1 is {cond=1, NULL=0, NULL=0, NULL=0, NULL=32616, NULL=0, \result=0, NULL=32614, NULL=32613, \old(cond)=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@59ce3835=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1be5e609=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6ff291e9=0, NULL=0, z=0, x=0, y=0, NULL=32615} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 6]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L14] unsigned int x,y,z; [L16] x=0U [L17] y=0U [L18] z=0U Loop: [L20] COND TRUE 1 [L22] x = x +2U*__VERIFIER_nondet_uint() [L23] y = y +4U*__VERIFIER_nondet_uint() [L24] z = z +8U*__VERIFIER_nondet_uint() [L7] COND FALSE !(!(cond)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...