./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 3061b6dc 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-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 14:26:34,653 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 14:26:34,734 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-19 14:26:34,740 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 14:26:34,741 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 14:26:34,775 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 14:26:34,776 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 14:26:34,776 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 14:26:34,777 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 14:26:34,779 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 14:26:34,780 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 14:26:34,780 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 14:26:34,780 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 14:26:34,781 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-19 14:26:34,781 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-19 14:26:34,781 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-19 14:26:34,782 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-19 14:26:34,782 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-19 14:26:34,782 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-19 14:26:34,783 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 14:26:34,783 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-19 14:26:34,788 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 14:26:34,789 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 14:26:34,789 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 14:26:34,789 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 14:26:34,789 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-19 14:26:34,790 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-19 14:26:34,790 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-19 14:26:34,790 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 14:26:34,790 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 14:26:34,790 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 14:26:34,791 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 14:26:34,791 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-19 14:26:34,791 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 14:26:34,792 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 14:26:34,792 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 14:26:34,793 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 14:26:34,793 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 14:26:34,794 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-19 14:26:34,794 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec757148a991f4b3d1dfc96ef4137399e4a0f35295201340aed6c25a7180c165 [2024-11-19 14:26:35,059 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 14:26:35,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 14:26:35,088 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 14:26:35,090 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 14:26:35,091 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 14:26:35,093 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/jain_7-2.c [2024-11-19 14:26:36,574 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 14:26:36,766 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 14:26:36,767 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/jain_7-2.c [2024-11-19 14:26:36,774 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/610d71d1b/5e5e6ccfc4a54954a3fcbb42bcca4577/FLAG6fc1f9dad [2024-11-19 14:26:36,791 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/610d71d1b/5e5e6ccfc4a54954a3fcbb42bcca4577 [2024-11-19 14:26:36,794 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 14:26:36,795 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 14:26:36,796 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 14:26:36,796 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 14:26:36,801 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 14:26:36,802 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:26:36" (1/1) ... [2024-11-19 14:26:36,802 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@374b7cb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:36, skipping insertion in model container [2024-11-19 14:26:36,803 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:26:36" (1/1) ... [2024-11-19 14:26:36,818 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 14:26:36,994 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 14:26:37,007 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 14:26:37,020 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 14:26:37,036 INFO L204 MainTranslator]: Completed translation [2024-11-19 14:26:37,037 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:37 WrapperNode [2024-11-19 14:26:37,037 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 14:26:37,038 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 14:26:37,038 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 14:26:37,038 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 14:26:37,045 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:37" (1/1) ... [2024-11-19 14:26:37,052 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:37" (1/1) ... [2024-11-19 14:26:37,069 INFO L138 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 38 [2024-11-19 14:26:37,069 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 14:26:37,070 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 14:26:37,070 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 14:26:37,070 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 14:26:37,080 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:37" (1/1) ... [2024-11-19 14:26:37,081 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:37" (1/1) ... [2024-11-19 14:26:37,082 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:37" (1/1) ... [2024-11-19 14:26:37,093 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]. [2024-11-19 14:26:37,094 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:37" (1/1) ... [2024-11-19 14:26:37,094 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:37" (1/1) ... [2024-11-19 14:26:37,100 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:37" (1/1) ... [2024-11-19 14:26:37,103 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:37" (1/1) ... [2024-11-19 14:26:37,106 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:37" (1/1) ... [2024-11-19 14:26:37,107 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:37" (1/1) ... [2024-11-19 14:26:37,110 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 14:26:37,111 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 14:26:37,112 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 14:26:37,112 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 14:26:37,113 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:37" (1/1) ... [2024-11-19 14:26:37,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:26:37,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:26:37,153 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) [2024-11-19 14:26:37,156 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 [2024-11-19 14:26:37,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 14:26:37,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 14:26:37,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 14:26:37,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 14:26:37,278 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 14:26:37,280 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 14:26:37,407 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-19 14:26:37,407 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 14:26:37,419 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 14:26:37,419 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 14:26:37,420 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:26:37 BoogieIcfgContainer [2024-11-19 14:26:37,420 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 14:26:37,421 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-19 14:26:37,421 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-19 14:26:37,425 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-19 14:26:37,426 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:26:37,427 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 02:26:36" (1/3) ... [2024-11-19 14:26:37,428 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@534eb37c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 02:26:37, skipping insertion in model container [2024-11-19 14:26:37,428 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:26:37,428 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:37" (2/3) ... [2024-11-19 14:26:37,429 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@534eb37c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 02:26:37, skipping insertion in model container [2024-11-19 14:26:37,429 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:26:37,430 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:26:37" (3/3) ... [2024-11-19 14:26:37,431 INFO L332 chiAutomizerObserver]: Analyzing ICFG jain_7-2.c [2024-11-19 14:26:37,501 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-19 14:26:37,502 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-19 14:26:37,502 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-19 14:26:37,502 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-19 14:26:37,502 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-19 14:26:37,502 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-19 14:26:37,503 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-19 14:26:37,503 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-19 14:26:37,507 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) [2024-11-19 14:26:37,522 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-19 14:26:37,523 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:26:37,523 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:26:37,529 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-19 14:26:37,529 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-19 14:26:37,529 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-19 14:26:37,530 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) [2024-11-19 14:26:37,531 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-19 14:26:37,532 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:26:37,532 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:26:37,532 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-19 14:26:37,532 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-19 14:26:37,540 INFO L745 eck$LassoCheckResult]: Stem: 5#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~x~0#1 := 0;main_~y~0#1 := 0;main_~z~0#1 := 0; 7#L28-2true [2024-11-19 14:26:37,541 INFO L747 eck$LassoCheckResult]: Loop: 7#L28-2true 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; 6#L15true assume !(0 == __VERIFIER_assert_~cond#1); 11#L15-2true havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true; 7#L28-2true [2024-11-19 14:26:37,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:26:37,550 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-19 14:26:37,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:26:37,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788892950] [2024-11-19 14:26:37,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:26:37,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:26:37,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:26:37,645 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:26:37,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:26:37,666 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:26:37,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:26:37,670 INFO L85 PathProgramCache]: Analyzing trace with hash 41005, now seen corresponding path program 1 times [2024-11-19 14:26:37,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:26:37,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603693118] [2024-11-19 14:26:37,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:26:37,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:26:37,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:26:37,704 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:26:37,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:26:37,718 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:26:37,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:26:37,720 INFO L85 PathProgramCache]: Analyzing trace with hash 28699947, now seen corresponding path program 1 times [2024-11-19 14:26:37,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:26:37,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330494675] [2024-11-19 14:26:37,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:26:37,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:26:37,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:26:37,754 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:26:37,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:26:37,769 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:26:38,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:26:38,134 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:26:38,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:26:38,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 02:26:38 BoogieIcfgContainer [2024-11-19 14:26:38,170 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-19 14:26:38,171 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 14:26:38,171 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 14:26:38,171 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 14:26:38,171 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:26:37" (3/4) ... [2024-11-19 14:26:38,174 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-19 14:26:38,218 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 14:26:38,219 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 14:26:38,223 INFO L158 Benchmark]: Toolchain (without parser) took 1425.71ms. Allocated memory is still 176.2MB. Free memory was 106.3MB in the beginning and 105.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB. [2024-11-19 14:26:38,224 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 176.2MB. Free memory was 130.6MB in the beginning and 130.4MB in the end (delta: 160.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 14:26:38,225 INFO L158 Benchmark]: CACSL2BoogieTranslator took 241.53ms. Allocated memory is still 176.2MB. Free memory was 106.2MB in the beginning and 94.1MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-19 14:26:38,225 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.89ms. Allocated memory is still 176.2MB. Free memory was 94.1MB in the beginning and 92.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 14:26:38,226 INFO L158 Benchmark]: Boogie Preprocessor took 41.16ms. Allocated memory is still 176.2MB. Free memory was 92.7MB in the beginning and 91.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 14:26:38,227 INFO L158 Benchmark]: RCFGBuilder took 308.78ms. Allocated memory is still 176.2MB. Free memory was 91.0MB in the beginning and 140.7MB in the end (delta: -49.7MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2024-11-19 14:26:38,230 INFO L158 Benchmark]: BuchiAutomizer took 749.04ms. Allocated memory is still 176.2MB. Free memory was 140.7MB in the beginning and 107.2MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-19 14:26:38,231 INFO L158 Benchmark]: Witness Printer took 49.17ms. Allocated memory is still 176.2MB. Free memory was 106.5MB in the beginning and 105.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 14:26:38,233 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 176.2MB. Free memory was 130.6MB in the beginning and 130.4MB in the end (delta: 160.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 241.53ms. Allocated memory is still 176.2MB. Free memory was 106.2MB in the beginning and 94.1MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.89ms. Allocated memory is still 176.2MB. Free memory was 94.1MB in the beginning and 92.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.16ms. Allocated memory is still 176.2MB. Free memory was 92.7MB in the beginning and 91.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 308.78ms. Allocated memory is still 176.2MB. Free memory was 91.0MB in the beginning and 140.7MB in the end (delta: -49.7MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 749.04ms. Allocated memory is still 176.2MB. Free memory was 140.7MB in the beginning and 107.2MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 49.17ms. Allocated memory is still 176.2MB. Free memory was 106.5MB in the beginning and 105.1MB in the end (delta: 1.4MB). 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 0.6s 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! [2024-11-19 14:26:38,268 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)