./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/bitvector/jain_1-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version ff03de63 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/bitvector/jain_1-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 c32f942c6eb2912830a40efe9162c395bf3634ab4557e4b71a48bed97282f20f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 22:06:47,998 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 22:06:48,000 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 22:06:48,045 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 22:06:48,056 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 22:06:48,057 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 22:06:48,058 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 22:06:48,060 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 22:06:48,061 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 22:06:48,062 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 22:06:48,062 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 22:06:48,068 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 22:06:48,069 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 22:06:48,075 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 22:06:48,077 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 22:06:48,086 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 22:06:48,088 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 22:06:48,090 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 22:06:48,091 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 22:06:48,095 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 22:06:48,099 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 22:06:48,101 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 22:06:48,102 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 22:06:48,103 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 22:06:48,105 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 22:06:48,109 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 22:06:48,109 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 22:06:48,110 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 22:06:48,112 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 22:06:48,112 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 22:06:48,113 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 22:06:48,113 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 22:06:48,114 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 22:06:48,115 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 22:06:48,116 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 22:06:48,116 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 22:06:48,116 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 22:06:48,116 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 22:06:48,117 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 22:06:48,117 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 22:06:48,117 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 22:06:48,118 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-21 22:06:48,152 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 22:06:48,154 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 22:06:48,155 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 22:06:48,155 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 22:06:48,156 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 22:06:48,156 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 22:06:48,156 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 22:06:48,157 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-21 22:06:48,157 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-21 22:06:48,157 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-21 22:06:48,158 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-21 22:06:48,158 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-21 22:06:48,158 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-21 22:06:48,158 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 22:06:48,159 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 22:06:48,159 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-21 22:06:48,159 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 22:06:48,159 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 22:06:48,159 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 22:06:48,159 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-21 22:06:48,160 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-21 22:06:48,160 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-21 22:06:48,160 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 22:06:48,160 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 22:06:48,160 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-21 22:06:48,161 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 22:06:48,161 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-21 22:06:48,161 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 22:06:48,161 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 22:06:48,161 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 22:06:48,162 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 22:06:48,162 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 22:06:48,163 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-21 22:06:48,163 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c32f942c6eb2912830a40efe9162c395bf3634ab4557e4b71a48bed97282f20f [2021-12-21 22:06:48,450 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 22:06:48,470 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 22:06:48,472 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 22:06:48,473 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 22:06:48,474 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 22:06:48,475 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/jain_1-1.c [2021-12-21 22:06:48,542 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbaa2ef61/e0bb4f835051429186b70579c64e5961/FLAG0a2d45c90 [2021-12-21 22:06:48,985 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 22:06:48,986 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/jain_1-1.c [2021-12-21 22:06:48,995 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbaa2ef61/e0bb4f835051429186b70579c64e5961/FLAG0a2d45c90 [2021-12-21 22:06:49,013 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbaa2ef61/e0bb4f835051429186b70579c64e5961 [2021-12-21 22:06:49,016 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 22:06:49,019 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 22:06:49,021 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 22:06:49,021 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 22:06:49,024 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 22:06:49,025 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:06:49" (1/1) ... [2021-12-21 22:06:49,026 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66bef25c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:06:49, skipping insertion in model container [2021-12-21 22:06:49,026 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:06:49" (1/1) ... [2021-12-21 22:06:49,032 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 22:06:49,045 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 22:06:49,176 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/jain_1-1.c[675,688] [2021-12-21 22:06:49,186 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 22:06:49,198 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 22:06:49,210 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/jain_1-1.c[675,688] [2021-12-21 22:06:49,213 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 22:06:49,227 INFO L208 MainTranslator]: Completed translation [2021-12-21 22:06:49,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:06:49 WrapperNode [2021-12-21 22:06:49,228 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 22:06:49,229 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 22:06:49,229 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 22:06:49,229 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 22:06:49,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:06:49" (1/1) ... [2021-12-21 22:06:49,243 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:06:49" (1/1) ... [2021-12-21 22:06:49,260 INFO L137 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 27 [2021-12-21 22:06:49,260 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 22:06:49,261 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 22:06:49,261 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 22:06:49,261 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 22:06:49,268 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:06:49" (1/1) ... [2021-12-21 22:06:49,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:06:49" (1/1) ... [2021-12-21 22:06:49,269 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:06:49" (1/1) ... [2021-12-21 22:06:49,270 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:06:49" (1/1) ... [2021-12-21 22:06:49,272 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:06:49" (1/1) ... [2021-12-21 22:06:49,277 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:06:49" (1/1) ... [2021-12-21 22:06:49,278 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:06:49" (1/1) ... [2021-12-21 22:06:49,282 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 22:06:49,284 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 22:06:49,284 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 22:06:49,285 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 22:06:49,286 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:06:49" (1/1) ... [2021-12-21 22:06:49,291 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:06:49,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:06:49,321 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:06:49,343 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-21 22:06:49,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 22:06:49,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 22:06:49,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 22:06:49,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 22:06:49,414 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 22:06:49,415 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 22:06:49,475 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 22:06:49,479 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 22:06:49,480 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-21 22:06:49,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:06:49 BoogieIcfgContainer [2021-12-21 22:06:49,482 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 22:06:49,482 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-21 22:06:49,483 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-21 22:06:49,485 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-21 22:06:49,486 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-21 22:06:49,486 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.12 10:06:49" (1/3) ... [2021-12-21 22:06:49,487 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@102e35e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.12 10:06:49, skipping insertion in model container [2021-12-21 22:06:49,487 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-21 22:06:49,488 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:06:49" (2/3) ... [2021-12-21 22:06:49,488 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@102e35e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.12 10:06:49, skipping insertion in model container [2021-12-21 22:06:49,488 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-21 22:06:49,488 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:06:49" (3/3) ... [2021-12-21 22:06:49,491 INFO L388 chiAutomizerObserver]: Analyzing ICFG jain_1-1.c [2021-12-21 22:06:49,540 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-21 22:06:49,541 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-21 22:06:49,541 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-21 22:06:49,541 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-21 22:06:49,541 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-21 22:06:49,541 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-21 22:06:49,542 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-21 22:06:49,542 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-21 22:06:49,554 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 22:06:49,576 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-21 22:06:49,578 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 22:06:49,578 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 22:06:49,583 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-21 22:06:49,583 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-21 22:06:49,584 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-21 22:06:49,584 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 22:06:49,586 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-21 22:06:49,586 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 22:06:49,587 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 22:06:49,587 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-21 22:06:49,587 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-21 22:06:49,595 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_~y~0#1;havoc main_~y~0#1;main_~y~0#1 := 1; 7#L26-2true [2021-12-21 22:06:49,596 INFO L793 eck$LassoCheckResult]: Loop: 7#L26-2true assume !false;main_~y~0#1 := main_~y~0#1 + 2 * main_#t~nondet4#1;havoc main_#t~nondet4#1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 0 != main_~y~0#1 % 4294967296 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 8#L15true assume !(0 == __VERIFIER_assert_~cond#1); 11#L15-2true assume { :end_inline___VERIFIER_assert } true; 7#L26-2true [2021-12-21 22:06:49,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:06:49,601 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-12-21 22:06:49,608 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:06:49,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918174549] [2021-12-21 22:06:49,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:06:49,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:06:49,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:06:49,696 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:06:49,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:06:49,742 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:06:49,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:06:49,746 INFO L85 PathProgramCache]: Analyzing trace with hash 40941, now seen corresponding path program 1 times [2021-12-21 22:06:49,746 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:06:49,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954545635] [2021-12-21 22:06:49,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:06:49,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:06:49,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:06:49,782 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:06:49,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:06:49,805 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:06:49,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:06:49,810 INFO L85 PathProgramCache]: Analyzing trace with hash 28699883, now seen corresponding path program 1 times [2021-12-21 22:06:49,810 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:06:49,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108406284] [2021-12-21 22:06:49,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:06:49,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:06:49,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:06:49,837 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:06:49,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:06:49,861 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:06:50,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.12 10:06:50 BoogieIcfgContainer [2021-12-21 22:06:50,124 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-21 22:06:50,125 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-21 22:06:50,125 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-21 22:06:50,126 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-21 22:06:50,126 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:06:49" (3/4) ... [2021-12-21 22:06:50,128 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-12-21 22:06:50,152 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-21 22:06:50,153 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-21 22:06:50,154 INFO L158 Benchmark]: Toolchain (without parser) took 1134.25ms. Allocated memory is still 100.7MB. Free memory was 65.8MB in the beginning and 40.7MB in the end (delta: 25.1MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2021-12-21 22:06:50,155 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 100.7MB. Free memory was 72.0MB in the beginning and 72.0MB in the end (delta: 18.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 22:06:50,155 INFO L158 Benchmark]: CACSL2BoogieTranslator took 207.15ms. Allocated memory is still 100.7MB. Free memory was 65.6MB in the beginning and 77.2MB in the end (delta: -11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-21 22:06:50,156 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.14ms. Allocated memory is still 100.7MB. Free memory was 77.2MB in the beginning and 75.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 22:06:50,156 INFO L158 Benchmark]: Boogie Preprocessor took 21.83ms. Allocated memory is still 100.7MB. Free memory was 75.7MB in the beginning and 74.7MB in the end (delta: 997.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 22:06:50,157 INFO L158 Benchmark]: RCFGBuilder took 197.94ms. Allocated memory is still 100.7MB. Free memory was 74.7MB in the beginning and 66.9MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-21 22:06:50,157 INFO L158 Benchmark]: BuchiAutomizer took 641.76ms. Allocated memory is still 100.7MB. Free memory was 66.9MB in the beginning and 42.2MB in the end (delta: 24.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-12-21 22:06:50,158 INFO L158 Benchmark]: Witness Printer took 27.84ms. Allocated memory is still 100.7MB. Free memory was 42.2MB in the beginning and 40.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 22:06:50,160 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 100.7MB. Free memory was 72.0MB in the beginning and 72.0MB in the end (delta: 18.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 207.15ms. Allocated memory is still 100.7MB. Free memory was 65.6MB in the beginning and 77.2MB in the end (delta: -11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.14ms. Allocated memory is still 100.7MB. Free memory was 77.2MB in the beginning and 75.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.83ms. Allocated memory is still 100.7MB. Free memory was 75.7MB in the beginning and 74.7MB in the end (delta: 997.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 197.94ms. Allocated memory is still 100.7MB. Free memory was 74.7MB in the beginning and 66.9MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 641.76ms. Allocated memory is still 100.7MB. Free memory was 66.9MB in the beginning and 42.2MB in the end (delta: 24.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 27.84ms. Allocated memory is still 100.7MB. Free memory was 42.2MB in the beginning and 40.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * 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 0.5s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.5s. 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: 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=1} State at position 1 is {y=1, NULL=0, NULL=0, \old(cond)=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6c3c2053=0, NULL=1, \result=0, cond=1} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 26]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L22] unsigned int y; [L24] y = 1U Loop: [L26] COND TRUE 1 [L28] y = y +2U*__VERIFIER_nondet_uint() [L31] CALL __VERIFIER_assert (y!=0U) [L15] COND FALSE !(!(cond)) [L31] RET __VERIFIER_assert (y!=0U) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-12-21 22:06:50,201 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)