./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 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_7-2.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 --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 ec757148a991f4b3d1dfc96ef4137399e4a0f35295201340aed6c25a7180c165 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 21:05:11,144 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 21:05:11,199 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-12 21:05:11,205 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 21:05:11,207 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 21:05:11,236 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 21:05:11,236 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 21:05:11,237 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 21:05:11,238 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 21:05:11,239 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 21:05:11,239 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 21:05:11,240 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 21:05:11,240 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 21:05:11,242 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-12 21:05:11,243 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-12 21:05:11,243 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-12 21:05:11,243 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-12 21:05:11,243 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-12 21:05:11,244 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-12 21:05:11,244 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 21:05:11,254 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-12 21:05:11,255 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 21:05:11,258 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 21:05:11,259 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 21:05:11,259 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 21:05:11,259 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-12 21:05:11,260 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-12 21:05:11,260 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-12 21:05:11,260 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 21:05:11,260 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 21:05:11,260 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 21:05:11,261 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 21:05:11,261 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-12 21:05:11,261 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 21:05:11,261 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 21:05:11,262 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 21:05:11,262 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 21:05:11,262 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 21:05:11,263 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-12 21:05:11,263 INFO L153 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec757148a991f4b3d1dfc96ef4137399e4a0f35295201340aed6c25a7180c165 [2024-11-12 21:05:11,523 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 21:05:11,549 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 21:05:11,553 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 21:05:11,554 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 21:05:11,555 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 21:05:11,556 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/jain_7-2.c [2024-11-12 21:05:13,103 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 21:05:13,273 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 21:05:13,274 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/jain_7-2.c [2024-11-12 21:05:13,284 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c33ad6f3/facb2e178efb4e2fa7edd96f32a22c11/FLAG9a972b99d [2024-11-12 21:05:13,676 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c33ad6f3/facb2e178efb4e2fa7edd96f32a22c11 [2024-11-12 21:05:13,679 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 21:05:13,680 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 21:05:13,682 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 21:05:13,682 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 21:05:13,686 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 21:05:13,687 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 09:05:13" (1/1) ... [2024-11-12 21:05:13,688 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fa2496c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:05:13, skipping insertion in model container [2024-11-12 21:05:13,688 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 09:05:13" (1/1) ... [2024-11-12 21:05:13,705 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 21:05:13,897 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 21:05:13,908 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 21:05:13,920 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 21:05:13,936 INFO L204 MainTranslator]: Completed translation [2024-11-12 21:05:13,936 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:05:13 WrapperNode [2024-11-12 21:05:13,936 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 21:05:13,937 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 21:05:13,937 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 21:05:13,937 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 21:05:13,943 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:05:13" (1/1) ... [2024-11-12 21:05:13,949 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:05:13" (1/1) ... [2024-11-12 21:05:13,966 INFO L138 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 38 [2024-11-12 21:05:13,968 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 21:05:13,969 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 21:05:13,969 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 21:05:13,969 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 21:05:13,979 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:05:13" (1/1) ... [2024-11-12 21:05:13,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:05:13" (1/1) ... [2024-11-12 21:05:13,981 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:05:13" (1/1) ... [2024-11-12 21:05:13,994 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-12 21:05:13,995 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:05:13" (1/1) ... [2024-11-12 21:05:13,995 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:05:13" (1/1) ... [2024-11-12 21:05:13,997 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:05:13" (1/1) ... [2024-11-12 21:05:14,002 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:05:13" (1/1) ... [2024-11-12 21:05:14,003 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:05:13" (1/1) ... [2024-11-12 21:05:14,004 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:05:13" (1/1) ... [2024-11-12 21:05:14,005 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 21:05:14,006 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 21:05:14,007 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 21:05:14,007 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 21:05:14,008 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:05:13" (1/1) ... [2024-11-12 21:05:14,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:05:14,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:05:14,042 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) [2024-11-12 21:05:14,044 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 [2024-11-12 21:05:14,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 21:05:14,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 21:05:14,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 21:05:14,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 21:05:14,145 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 21:05:14,148 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 21:05:14,242 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-12 21:05:14,242 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 21:05:14,254 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 21:05:14,254 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 21:05:14,255 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:05:14 BoogieIcfgContainer [2024-11-12 21:05:14,255 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 21:05:14,256 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-12 21:05:14,256 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-12 21:05:14,260 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-12 21:05:14,261 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 21:05:14,261 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.11 09:05:13" (1/3) ... [2024-11-12 21:05:14,262 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1a7c8c06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 09:05:14, skipping insertion in model container [2024-11-12 21:05:14,262 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 21:05:14,263 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:05:13" (2/3) ... [2024-11-12 21:05:14,263 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1a7c8c06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 09:05:14, skipping insertion in model container [2024-11-12 21:05:14,264 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 21:05:14,264 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:05:14" (3/3) ... [2024-11-12 21:05:14,267 INFO L332 chiAutomizerObserver]: Analyzing ICFG jain_7-2.c [2024-11-12 21:05:14,320 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2024-11-12 21:05:14,320 INFO L302 stractBuchiCegarLoop]: Hoare is None [2024-11-12 21:05:14,320 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-12 21:05:14,321 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-12 21:05:14,321 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-12 21:05:14,321 INFO L306 stractBuchiCegarLoop]: Difference is false [2024-11-12 21:05:14,321 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-12 21:05:14,321 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-12 21:05:14,325 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 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) [2024-11-12 21:05:14,339 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-12 21:05:14,339 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:05:14,339 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:05:14,345 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-12 21:05:14,345 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-12 21:05:14,345 INFO L333 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-12 21:05:14,346 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 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) [2024-11-12 21:05:14,347 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-12 21:05:14,347 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:05:14,347 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:05:14,348 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-12 21:05:14,348 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-12 21:05:14,356 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~x~0#1 := 0;main_~y~0#1 := 0;main_~z~0#1 := 0;" [2024-11-12 21:05:14,357 INFO L749 eck$LassoCheckResult]: Loop: "assume !false;havoc main_#t~nondet4#1;main_~x~0#1 := main_~x~0#1 + 1048576 * main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;main_~y~0#1 := main_~y~0#1 + 2097152 * main_#t~nondet5#1;havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;main_~z~0#1 := main_~z~0#1 + 4194304 * main_#t~nondet6#1;havoc main_#t~nondet6#1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1048576 != (4 * main_~x~0#1 - 2 * main_~y~0#1 + main_~z~0#1) % 4294967296 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1;" "assume !(0 == __VERIFIER_assert_~cond#1);" "havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;" [2024-11-12 21:05:14,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:05:14,369 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-12 21:05:14,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:05:14,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152316911] [2024-11-12 21:05:14,382 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:05:14,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:05:14,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:05:14,481 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:05:14,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:05:14,516 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:05:14,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:05:14,521 INFO L85 PathProgramCache]: Analyzing trace with hash 41005, now seen corresponding path program 1 times [2024-11-12 21:05:14,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:05:14,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31415783] [2024-11-12 21:05:14,522 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:05:14,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:05:14,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:05:14,554 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:05:14,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:05:14,573 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:05:14,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:05:14,576 INFO L85 PathProgramCache]: Analyzing trace with hash 28699947, now seen corresponding path program 1 times [2024-11-12 21:05:14,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:05:14,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39690389] [2024-11-12 21:05:14,576 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:05:14,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:05:14,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:05:14,605 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:05:14,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:05:14,630 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:05:15,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:05:15,022 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:05:15,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:05:15,065 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.11 09:05:15 BoogieIcfgContainer [2024-11-12 21:05:15,066 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-12 21:05:15,066 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 21:05:15,067 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 21:05:15,067 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 21:05:15,067 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:05:14" (3/4) ... [2024-11-12 21:05:15,069 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-12 21:05:15,113 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-12 21:05:15,113 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 21:05:15,115 INFO L158 Benchmark]: Toolchain (without parser) took 1433.64ms. Allocated memory is still 184.5MB. Free memory was 138.3MB in the beginning and 76.8MB in the end (delta: 61.5MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2024-11-12 21:05:15,117 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 184.5MB. Free memory is still 156.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 21:05:15,118 INFO L158 Benchmark]: CACSL2BoogieTranslator took 254.96ms. Allocated memory is still 184.5MB. Free memory was 138.3MB in the beginning and 125.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-12 21:05:15,118 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.76ms. Allocated memory is still 184.5MB. Free memory was 125.7MB in the beginning and 124.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 21:05:15,118 INFO L158 Benchmark]: Boogie Preprocessor took 37.15ms. Allocated memory is still 184.5MB. Free memory was 124.2MB in the beginning and 122.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 21:05:15,119 INFO L158 Benchmark]: RCFGBuilder took 248.35ms. Allocated memory is still 184.5MB. Free memory was 122.2MB in the beginning and 112.4MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-12 21:05:15,119 INFO L158 Benchmark]: BuchiAutomizer took 810.15ms. Allocated memory is still 184.5MB. Free memory was 112.4MB in the beginning and 78.9MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-12 21:05:15,119 INFO L158 Benchmark]: Witness Printer took 46.72ms. Allocated memory is still 184.5MB. Free memory was 78.9MB in the beginning and 76.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 21:05:15,124 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 184.5MB. Free memory is still 156.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 254.96ms. Allocated memory is still 184.5MB. Free memory was 138.3MB in the beginning and 125.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.76ms. Allocated memory is still 184.5MB. Free memory was 125.7MB in the beginning and 124.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.15ms. Allocated memory is still 184.5MB. Free memory was 124.2MB in the beginning and 122.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 248.35ms. Allocated memory is still 184.5MB. Free memory was 122.2MB in the beginning and 112.4MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 810.15ms. Allocated memory is still 184.5MB. Free memory was 112.4MB in the beginning and 78.9MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 46.72ms. Allocated memory is still 184.5MB. Free memory was 78.9MB in the beginning and 76.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. 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 0.7s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.6s. 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 InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 1]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L22] unsigned int x,y,z; [L24] x=0U [L25] y=0U [L26] z=0U VAL [x=0, y=0, z=0] Loop: [L28] COND TRUE 1 [L30] x = x +1048576U*__VERIFIER_nondet_uint() [L31] y = y +2097152U*__VERIFIER_nondet_uint() [L32] z = z +4194304U*__VERIFIER_nondet_uint() [L34] CALL __VERIFIER_assert(4U*x-2U*y+z!=1048576U) [L15] COND FALSE !(!(cond)) [L34] RET __VERIFIER_assert(4U*x-2U*y+z!=1048576U) End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L22] unsigned int x,y,z; [L24] x=0U [L25] y=0U [L26] z=0U VAL [x=0, y=0, z=0] Loop: [L28] COND TRUE 1 [L30] x = x +1048576U*__VERIFIER_nondet_uint() [L31] y = y +2097152U*__VERIFIER_nondet_uint() [L32] z = z +4194304U*__VERIFIER_nondet_uint() [L34] CALL __VERIFIER_assert(4U*x-2U*y+z!=1048576U) [L15] COND FALSE !(!(cond)) [L34] RET __VERIFIER_assert(4U*x-2U*y+z!=1048576U) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-12 21:05:15,154 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with 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)