./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/termination.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/jain_4-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/jain_4-2.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 1cbac86a7d2d3b0f5135f8cc4b9786f5bd2e458e412a649884fa942dedde8dfa --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 17:08:49,723 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 17:08:49,776 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-10-13 17:08:49,782 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 17:08:49,784 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 17:08:49,801 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 17:08:49,802 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 17:08:49,803 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 17:08:49,803 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 17:08:49,804 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 17:08:49,804 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 17:08:49,804 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 17:08:49,805 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 17:08:49,805 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-13 17:08:49,806 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-13 17:08:49,807 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-13 17:08:49,807 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-13 17:08:49,807 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-13 17:08:49,807 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-13 17:08:49,807 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 17:08:49,807 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-13 17:08:49,810 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 17:08:49,810 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 17:08:49,810 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 17:08:49,811 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 17:08:49,811 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-13 17:08:49,811 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-13 17:08:49,811 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-13 17:08:49,811 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 17:08:49,811 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 17:08:49,811 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 17:08:49,812 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 17:08:49,812 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-13 17:08:49,812 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 17:08:49,812 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 17:08:49,812 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 17:08:49,812 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 17:08:49,812 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 17:08:49,813 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-13 17:08:49,813 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1cbac86a7d2d3b0f5135f8cc4b9786f5bd2e458e412a649884fa942dedde8dfa [2024-10-13 17:08:49,985 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 17:08:50,006 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 17:08:50,010 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 17:08:50,011 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 17:08:50,012 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 17:08:50,013 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/jain_4-2.c [2024-10-13 17:08:51,231 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 17:08:51,377 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 17:08:51,378 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/jain_4-2.c [2024-10-13 17:08:51,383 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cf8fc502/52df5facac46448598c65fdb2883c1da/FLAGda37deb92 [2024-10-13 17:08:51,394 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cf8fc502/52df5facac46448598c65fdb2883c1da [2024-10-13 17:08:51,396 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 17:08:51,398 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 17:08:51,399 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 17:08:51,399 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 17:08:51,403 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 17:08:51,404 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:08:51" (1/1) ... [2024-10-13 17:08:51,404 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@97d54e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:08:51, skipping insertion in model container [2024-10-13 17:08:51,404 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:08:51" (1/1) ... [2024-10-13 17:08:51,417 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 17:08:51,550 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 17:08:51,560 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 17:08:51,571 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 17:08:51,585 INFO L204 MainTranslator]: Completed translation [2024-10-13 17:08:51,586 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:08:51 WrapperNode [2024-10-13 17:08:51,586 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 17:08:51,587 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 17:08:51,587 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 17:08:51,587 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 17:08:51,592 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:08:51" (1/1) ... [2024-10-13 17:08:51,597 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:08:51" (1/1) ... [2024-10-13 17:08:51,609 INFO L138 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 38 [2024-10-13 17:08:51,609 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 17:08:51,610 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 17:08:51,610 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 17:08:51,610 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 17:08:51,617 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:08:51" (1/1) ... [2024-10-13 17:08:51,618 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:08:51" (1/1) ... [2024-10-13 17:08:51,619 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:08:51" (1/1) ... [2024-10-13 17:08:51,626 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]. [2024-10-13 17:08:51,627 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:08:51" (1/1) ... [2024-10-13 17:08:51,627 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:08:51" (1/1) ... [2024-10-13 17:08:51,628 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:08:51" (1/1) ... [2024-10-13 17:08:51,633 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:08:51" (1/1) ... [2024-10-13 17:08:51,633 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:08:51" (1/1) ... [2024-10-13 17:08:51,634 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:08:51" (1/1) ... [2024-10-13 17:08:51,634 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 17:08:51,635 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 17:08:51,635 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 17:08:51,635 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 17:08:51,636 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:08:51" (1/1) ... [2024-10-13 17:08:51,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:08:51,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:08:51,663 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) [2024-10-13 17:08:51,664 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 [2024-10-13 17:08:51,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 17:08:51,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 17:08:51,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 17:08:51,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 17:08:51,743 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 17:08:51,744 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 17:08:51,802 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-10-13 17:08:51,803 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 17:08:51,812 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 17:08:51,812 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 17:08:51,812 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:08:51 BoogieIcfgContainer [2024-10-13 17:08:51,812 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 17:08:51,813 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-13 17:08:51,813 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-13 17:08:51,816 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-13 17:08:51,816 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 17:08:51,816 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 05:08:51" (1/3) ... [2024-10-13 17:08:51,817 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5321c9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 05:08:51, skipping insertion in model container [2024-10-13 17:08:51,817 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 17:08:51,817 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:08:51" (2/3) ... [2024-10-13 17:08:51,817 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5321c9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 05:08:51, skipping insertion in model container [2024-10-13 17:08:51,817 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 17:08:51,817 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:08:51" (3/3) ... [2024-10-13 17:08:51,818 INFO L332 chiAutomizerObserver]: Analyzing ICFG jain_4-2.c [2024-10-13 17:08:51,854 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-13 17:08:51,854 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-13 17:08:51,854 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-13 17:08:51,854 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-13 17:08:51,854 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-13 17:08:51,854 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-13 17:08:51,855 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-13 17:08:51,855 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-13 17:08:51,858 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) [2024-10-13 17:08:51,868 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-10-13 17:08:51,868 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:08:51,868 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:08:51,871 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-13 17:08:51,872 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-13 17:08:51,872 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-13 17:08:51,872 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) [2024-10-13 17:08:51,872 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-10-13 17:08:51,873 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:08:51,873 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:08:51,873 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-13 17:08:51,873 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-13 17:08:51,878 INFO L745 eck$LassoCheckResult]: Stem: 5#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~x~0#1 := 0;main_~y~0#1 := 0;main_~z~0#1 := 0; 7#L28-2true [2024-10-13 17:08:51,878 INFO L747 eck$LassoCheckResult]: Loop: 7#L28-2true assume !false;havoc main_#t~nondet4#1;main_~x~0#1 := main_~x~0#1 + 4 * main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;main_~y~0#1 := main_~y~0#1 + 4 * main_#t~nondet5#1;havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;main_~z~0#1 := main_~z~0#1 + 8 * main_#t~nondet6#1;havoc main_#t~nondet6#1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 != (main_~x~0#1 + 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 [2024-10-13 17:08:51,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:08:51,882 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-10-13 17:08:51,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:08:51,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12251668] [2024-10-13 17:08:51,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:08:51,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:08:51,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:08:51,963 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:08:51,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:08:51,985 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:08:51,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:08:51,987 INFO L85 PathProgramCache]: Analyzing trace with hash 41005, now seen corresponding path program 1 times [2024-10-13 17:08:51,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:08:51,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305779481] [2024-10-13 17:08:51,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:08:51,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:08:52,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:08:52,022 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:08:52,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:08:52,034 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:08:52,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:08:52,035 INFO L85 PathProgramCache]: Analyzing trace with hash 28699947, now seen corresponding path program 1 times [2024-10-13 17:08:52,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:08:52,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925574822] [2024-10-13 17:08:52,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:08:52,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:08:52,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:08:52,054 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:08:52,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:08:52,070 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:08:52,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:08:52,376 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:08:52,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:08:52,401 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 05:08:52 BoogieIcfgContainer [2024-10-13 17:08:52,401 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-13 17:08:52,401 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 17:08:52,402 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 17:08:52,402 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 17:08:52,402 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:08:51" (3/4) ... [2024-10-13 17:08:52,403 INFO L136 WitnessPrinter]: Generating witness for non-termination counterexample [2024-10-13 17:08:52,427 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 17:08:52,427 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 17:08:52,428 INFO L158 Benchmark]: Toolchain (without parser) took 1029.86ms. Allocated memory is still 176.2MB. Free memory was 106.6MB in the beginning and 131.2MB in the end (delta: -24.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 17:08:52,428 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 117.4MB. Free memory is still 78.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 17:08:52,429 INFO L158 Benchmark]: CACSL2BoogieTranslator took 187.58ms. Allocated memory is still 176.2MB. Free memory was 106.6MB in the beginning and 95.0MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-13 17:08:52,429 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.78ms. Allocated memory is still 176.2MB. Free memory was 94.6MB in the beginning and 93.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 17:08:52,429 INFO L158 Benchmark]: Boogie Preprocessor took 24.45ms. Allocated memory is still 176.2MB. Free memory was 93.2MB in the beginning and 91.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 17:08:52,430 INFO L158 Benchmark]: RCFGBuilder took 177.37ms. Allocated memory is still 176.2MB. Free memory was 91.6MB in the beginning and 81.6MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-13 17:08:52,430 INFO L158 Benchmark]: BuchiAutomizer took 588.00ms. Allocated memory is still 176.2MB. Free memory was 81.6MB in the beginning and 133.0MB in the end (delta: -51.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 17:08:52,430 INFO L158 Benchmark]: Witness Printer took 25.73ms. Allocated memory is still 176.2MB. Free memory was 133.0MB in the beginning and 131.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 17:08:52,432 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 117.4MB. Free memory is still 78.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 187.58ms. Allocated memory is still 176.2MB. Free memory was 106.6MB in the beginning and 95.0MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.78ms. Allocated memory is still 176.2MB. Free memory was 94.6MB in the beginning and 93.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.45ms. Allocated memory is still 176.2MB. Free memory was 93.2MB in the beginning and 91.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 177.37ms. Allocated memory is still 176.2MB. Free memory was 91.6MB in the beginning and 81.6MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 588.00ms. Allocated memory is still 176.2MB. Free memory was 81.6MB in the beginning and 133.0MB in the end (delta: -51.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 25.73ms. Allocated memory is still 176.2MB. Free memory was 133.0MB in the beginning and 131.2MB in the end (delta: 1.7MB). 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 0.5s 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 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 +4U*__VERIFIER_nondet_uint() [L31] y = y +4U*__VERIFIER_nondet_uint() [L32] z = z +8U*__VERIFIER_nondet_uint() [L34] CALL __VERIFIER_assert(x+y+z!=1U) [L15] COND FALSE !(!(cond)) [L34] RET __VERIFIER_assert(x+y+z!=1U) 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 +4U*__VERIFIER_nondet_uint() [L31] y = y +4U*__VERIFIER_nondet_uint() [L32] z = z +8U*__VERIFIER_nondet_uint() [L34] CALL __VERIFIER_assert(x+y+z!=1U) [L15] COND FALSE !(!(cond)) [L34] RET __VERIFIER_assert(x+y+z!=1U) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-10-13 17:08:52,455 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)