./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/bitvector/jain_7-2.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_e7d23df4-a278-4eb9-9e37-99e22293a22c/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_e7d23df4-a278-4eb9-9e37-99e22293a22c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e7d23df4-a278-4eb9-9e37-99e22293a22c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e7d23df4-a278-4eb9-9e37-99e22293a22c/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/bitvector/jain_7-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e7d23df4-a278-4eb9-9e37-99e22293a22c/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e7d23df4-a278-4eb9-9e37-99e22293a22c/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 876f7945e4fb4974c1e8dba27730dcbf7b8b3ec8 ...................................................................................................................................................................................................................................................................................... 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 03:03:33,405 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:03:33,409 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:03:33,446 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:03:33,447 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:03:33,449 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:03:33,451 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:03:33,455 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:03:33,458 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:03:33,459 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:03:33,461 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:03:33,463 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:03:33,464 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:03:33,465 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:03:33,467 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:03:33,469 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:03:33,471 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:03:33,473 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:03:33,476 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:03:33,479 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:03:33,482 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:03:33,484 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:03:33,486 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:03:33,488 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:03:33,493 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:03:33,493 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:03:33,494 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:03:33,496 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:03:33,497 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:03:33,498 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:03:33,499 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:03:33,500 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:03:33,502 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:03:33,503 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:03:33,505 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:03:33,506 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:03:33,507 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:03:33,508 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:03:33,508 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:03:33,510 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:03:33,511 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:03:33,512 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e7d23df4-a278-4eb9-9e37-99e22293a22c/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-28 03:03:33,542 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:03:33,544 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:03:33,546 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:03:33,548 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:03:33,549 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:03:33,549 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-28 03:03:33,549 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-28 03:03:33,550 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-28 03:03:33,550 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-28 03:03:33,550 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-28 03:03:33,552 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-28 03:03:33,552 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:03:33,552 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:03:33,553 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:03:33,553 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:03:33,553 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:03:33,553 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:03:33,554 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-28 03:03:33,554 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-28 03:03:33,554 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-28 03:03:33,555 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:03:33,555 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:03:33,555 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-28 03:03:33,555 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:03:33,556 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-28 03:03:33,556 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:03:33,556 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:03:33,557 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-28 03:03:33,557 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:03:33,559 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:03:33,559 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:03:33,559 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-28 03:03:33,561 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-28 03:03:33,561 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_e7d23df4-a278-4eb9-9e37-99e22293a22c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e7d23df4-a278-4eb9-9e37-99e22293a22c/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 876f7945e4fb4974c1e8dba27730dcbf7b8b3ec8 [2020-11-28 03:03:33,942 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:03:33,974 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:03:33,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:03:33,979 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:03:33,980 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:03:33,981 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e7d23df4-a278-4eb9-9e37-99e22293a22c/bin/uautomizer/../../sv-benchmarks/c/bitvector/jain_7-2.c [2020-11-28 03:03:34,049 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e7d23df4-a278-4eb9-9e37-99e22293a22c/bin/uautomizer/data/dffbba236/571e384c27094d2a94cad8d635c96e10/FLAG9bef268bf [2020-11-28 03:03:34,551 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:03:34,552 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e7d23df4-a278-4eb9-9e37-99e22293a22c/sv-benchmarks/c/bitvector/jain_7-2.c [2020-11-28 03:03:34,564 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e7d23df4-a278-4eb9-9e37-99e22293a22c/bin/uautomizer/data/dffbba236/571e384c27094d2a94cad8d635c96e10/FLAG9bef268bf [2020-11-28 03:03:34,905 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e7d23df4-a278-4eb9-9e37-99e22293a22c/bin/uautomizer/data/dffbba236/571e384c27094d2a94cad8d635c96e10 [2020-11-28 03:03:34,908 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:03:34,910 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:03:34,912 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:03:34,912 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:03:34,916 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:03:34,917 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:03:34" (1/1) ... [2020-11-28 03:03:34,919 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f71bb29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:34, skipping insertion in model container [2020-11-28 03:03:34,919 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:03:34" (1/1) ... [2020-11-28 03:03:34,928 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:03:34,943 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:03:35,172 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:03:35,184 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:03:35,202 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:03:35,220 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:03:35,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:35 WrapperNode [2020-11-28 03:03:35,222 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:03:35,223 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:03:35,223 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:03:35,224 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:03:35,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:35" (1/1) ... [2020-11-28 03:03:35,242 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:35" (1/1) ... [2020-11-28 03:03:35,263 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:03:35,264 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:03:35,264 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:03:35,265 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:03:35,275 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:35" (1/1) ... [2020-11-28 03:03:35,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:35" (1/1) ... [2020-11-28 03:03:35,277 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:35" (1/1) ... [2020-11-28 03:03:35,277 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:35" (1/1) ... [2020-11-28 03:03:35,281 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:35" (1/1) ... [2020-11-28 03:03:35,285 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:35" (1/1) ... [2020-11-28 03:03:35,287 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:35" (1/1) ... [2020-11-28 03:03:35,289 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:03:35,290 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:03:35,290 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:03:35,291 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:03:35,292 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e7d23df4-a278-4eb9-9e37-99e22293a22c/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 03:03:35,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:03:35,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:03:35,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:03:35,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:03:35,858 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:03:35,858 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-28 03:03:35,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:03:35 BoogieIcfgContainer [2020-11-28 03:03:35,860 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:03:35,862 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-28 03:03:35,862 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-28 03:03:35,874 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-28 03:03:35,874 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:03:35,875 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:03:34" (1/3) ... [2020-11-28 03:03:35,886 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@9566c10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:03:35, skipping insertion in model container [2020-11-28 03:03:35,886 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:03:35,886 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:35" (2/3) ... [2020-11-28 03:03:35,887 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@9566c10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:03:35, skipping insertion in model container [2020-11-28 03:03:35,887 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:03:35,887 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:03:35" (3/3) ... [2020-11-28 03:03:35,889 INFO L373 chiAutomizerObserver]: Analyzing ICFG jain_7-2.c [2020-11-28 03:03:35,953 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-28 03:03:35,953 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-28 03:03:35,953 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-28 03:03:35,954 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:03:35,954 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:03:35,954 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-28 03:03:35,954 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:03:35,955 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-28 03:03:35,974 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2020-11-28 03:03:35,994 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-11-28 03:03:35,995 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:03:35,995 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:03:36,002 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-11-28 03:03:36,002 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-28 03:03:36,002 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-28 03:03:36,003 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2020-11-28 03:03:36,004 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-11-28 03:03:36,004 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:03:36,004 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:03:36,005 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-11-28 03:03:36,005 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-28 03:03:36,013 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 03:03:36,014 INFO L796 eck$LassoCheckResult]: Loop: 4#L7-2true assume !false;main_~x~0 := main_~x~0 + 1048576 * main_#t~nondet7;havoc main_#t~nondet7;main_~y~0 := main_~y~0 + 2097152 * main_#t~nondet8;havoc main_#t~nondet8;main_~z~0 := main_~z~0 + 4194304 * main_#t~nondet9;havoc main_#t~nondet9;__VERIFIER_assert_#in~cond := (if 1048576 != (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 03:03:36,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:03:36,035 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-11-28 03:03:36,045 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:03:36,046 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950380269] [2020-11-28 03:03:36,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:03:36,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:03:36,153 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:03:36,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:03:36,173 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:03:36,195 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:03:36,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:03:36,197 INFO L82 PathProgramCache]: Analyzing trace with hash 1322, now seen corresponding path program 1 times [2020-11-28 03:03:36,197 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:03:36,198 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568927864] [2020-11-28 03:03:36,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:03:36,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:03:36,226 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:03:36,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:03:36,238 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:03:36,241 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:03:36,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:03:36,249 INFO L82 PathProgramCache]: Analyzing trace with hash 925804, now seen corresponding path program 1 times [2020-11-28 03:03:36,249 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:03:36,250 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048560439] [2020-11-28 03:03:36,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:03:36,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:03:36,311 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:03:36,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:03:36,359 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:03:36,365 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:03:36,537 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 37 [2020-11-28 03:03:36,764 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2020-11-28 03:03:36,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:03:36 BoogieIcfgContainer [2020-11-28 03:03:36,881 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-28 03:03:36,881 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:03:36,881 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:03:36,882 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:03:36,882 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:03:35" (3/4) ... [2020-11-28 03:03:36,885 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2020-11-28 03:03:36,924 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e7d23df4-a278-4eb9-9e37-99e22293a22c/bin/uautomizer/witness.graphml [2020-11-28 03:03:36,924 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:03:36,926 INFO L168 Benchmark]: Toolchain (without parser) took 2015.65 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 46.1 MB in the beginning and 55.5 MB in the end (delta: -9.4 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:03:36,926 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 79.7 MB. Free memory is still 62.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:03:36,927 INFO L168 Benchmark]: CACSL2BoogieTranslator took 310.22 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 46.0 MB in the beginning and 74.3 MB in the end (delta: -28.3 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. [2020-11-28 03:03:36,928 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.41 ms. Allocated memory is still 96.5 MB. Free memory was 74.1 MB in the beginning and 72.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:03:36,929 INFO L168 Benchmark]: Boogie Preprocessor took 25.01 ms. Allocated memory is still 96.5 MB. Free memory was 72.8 MB in the beginning and 71.8 MB in the end (delta: 949.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:03:36,929 INFO L168 Benchmark]: RCFGBuilder took 570.53 ms. Allocated memory is still 96.5 MB. Free memory was 71.6 MB in the beginning and 61.4 MB in the end (delta: 10.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:03:36,930 INFO L168 Benchmark]: BuchiAutomizer took 1019.09 ms. Allocated memory is still 96.5 MB. Free memory was 61.1 MB in the beginning and 57.2 MB in the end (delta: 3.9 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:03:36,931 INFO L168 Benchmark]: Witness Printer took 42.89 ms. Allocated memory is still 96.5 MB. Free memory was 57.2 MB in the beginning and 55.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:03:36,936 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 79.7 MB. Free memory is still 62.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 310.22 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 46.0 MB in the beginning and 74.3 MB in the end (delta: -28.3 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 40.41 ms. Allocated memory is still 96.5 MB. Free memory was 74.1 MB in the beginning and 72.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 25.01 ms. Allocated memory is still 96.5 MB. Free memory was 72.8 MB in the beginning and 71.8 MB in the end (delta: 949.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 570.53 ms. Allocated memory is still 96.5 MB. Free memory was 71.6 MB in the beginning and 61.4 MB in the end (delta: 10.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1019.09 ms. Allocated memory is still 96.5 MB. Free memory was 61.1 MB in the beginning and 57.2 MB in the end (delta: 3.9 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. * Witness Printer took 42.89 ms. Allocated memory is still 96.5 MB. Free memory was 57.2 MB in the beginning and 55.5 MB in the end (delta: 1.7 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 0.9s 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=18524} State at position 1 is {cond=1, NULL=0, NULL=0, NULL=0, NULL=18525, NULL=0, \result=0, NULL=18526, NULL=18524, \old(cond)=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@30bcb817=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2ec0bae5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2972e67b=0, NULL=0, z=0, x=0, y=0, NULL=18527} - 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 +1048576U*__VERIFIER_nondet_uint() [L23] y = y +2097152U*__VERIFIER_nondet_uint() [L24] z = z +4194304U*__VERIFIER_nondet_uint() [L7] COND FALSE !(!(cond)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...