./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loop-invgen/NetBSD_loop.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3289d67d 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/loop-invgen/NetBSD_loop.i -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 b38f47c3dcd7731e15cfc2cee00261f352bac0ed4fe94aeeb81a5c76defb252d --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 08:33:54,751 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 08:33:54,827 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-17 08:33:54,834 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 08:33:54,835 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 08:33:54,835 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-17 08:33:54,864 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 08:33:54,864 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 08:33:54,865 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 08:33:54,866 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 08:33:54,867 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 08:33:54,868 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 08:33:54,868 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 08:33:54,869 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 08:33:54,870 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-17 08:33:54,870 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-17 08:33:54,870 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-17 08:33:54,871 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-17 08:33:54,872 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-17 08:33:54,872 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-17 08:33:54,872 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 08:33:54,873 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-17 08:33:54,883 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 08:33:54,883 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 08:33:54,884 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 08:33:54,884 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 08:33:54,884 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-17 08:33:54,884 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-17 08:33:54,885 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-17 08:33:54,885 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 08:33:54,886 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 08:33:54,886 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 08:33:54,886 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 08:33:54,887 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-17 08:33:54,887 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 08:33:54,887 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 08:33:54,887 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 08:33:54,888 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 08:33:54,888 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 08:33:54,889 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-17 08:33:54,889 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b38f47c3dcd7731e15cfc2cee00261f352bac0ed4fe94aeeb81a5c76defb252d [2024-11-17 08:33:55,136 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 08:33:55,155 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 08:33:55,159 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 08:33:55,160 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 08:33:55,160 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 08:33:55,161 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invgen/NetBSD_loop.i [2024-11-17 08:33:56,496 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 08:33:56,665 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 08:33:56,665 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/NetBSD_loop.i [2024-11-17 08:33:56,672 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29b80e8fd/82b2859497824cb7ba0c28334cfb129c/FLAG78ff9c9dc [2024-11-17 08:33:56,683 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29b80e8fd/82b2859497824cb7ba0c28334cfb129c [2024-11-17 08:33:56,685 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 08:33:56,686 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 08:33:56,690 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 08:33:56,690 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 08:33:56,695 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 08:33:56,696 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:33:56" (1/1) ... [2024-11-17 08:33:56,696 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a4c29e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:33:56, skipping insertion in model container [2024-11-17 08:33:56,696 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:33:56" (1/1) ... [2024-11-17 08:33:56,715 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 08:33:56,897 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:33:56,905 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 08:33:56,935 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:33:56,949 INFO L204 MainTranslator]: Completed translation [2024-11-17 08:33:56,950 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:33:56 WrapperNode [2024-11-17 08:33:56,950 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 08:33:56,951 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 08:33:56,951 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 08:33:56,952 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 08:33:56,959 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:33:56" (1/1) ... [2024-11-17 08:33:56,972 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:33:56" (1/1) ... [2024-11-17 08:33:56,986 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 51 [2024-11-17 08:33:56,986 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 08:33:56,987 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 08:33:56,987 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 08:33:56,987 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 08:33:56,995 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:33:56" (1/1) ... [2024-11-17 08:33:56,995 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:33:56" (1/1) ... [2024-11-17 08:33:56,997 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:33:56" (1/1) ... [2024-11-17 08:33:57,009 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]. [2024-11-17 08:33:57,009 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:33:56" (1/1) ... [2024-11-17 08:33:57,009 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:33:56" (1/1) ... [2024-11-17 08:33:57,013 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:33:56" (1/1) ... [2024-11-17 08:33:57,017 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:33:56" (1/1) ... [2024-11-17 08:33:57,018 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:33:56" (1/1) ... [2024-11-17 08:33:57,019 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:33:56" (1/1) ... [2024-11-17 08:33:57,022 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 08:33:57,023 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 08:33:57,024 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 08:33:57,024 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 08:33:57,024 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:33:56" (1/1) ... [2024-11-17 08:33:57,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:33:57,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:33:57,060 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) [2024-11-17 08:33:57,063 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 [2024-11-17 08:33:57,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 08:33:57,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 08:33:57,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 08:33:57,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 08:33:57,152 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 08:33:57,158 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 08:33:57,248 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-17 08:33:57,249 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 08:33:57,261 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 08:33:57,261 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 08:33:57,262 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:33:57 BoogieIcfgContainer [2024-11-17 08:33:57,262 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 08:33:57,263 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-17 08:33:57,263 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-17 08:33:57,266 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-17 08:33:57,267 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:33:57,267 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.11 08:33:56" (1/3) ... [2024-11-17 08:33:57,268 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@36becd8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:33:57, skipping insertion in model container [2024-11-17 08:33:57,268 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:33:57,268 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:33:56" (2/3) ... [2024-11-17 08:33:57,269 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@36becd8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:33:57, skipping insertion in model container [2024-11-17 08:33:57,269 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:33:57,269 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:33:57" (3/3) ... [2024-11-17 08:33:57,270 INFO L332 chiAutomizerObserver]: Analyzing ICFG NetBSD_loop.i [2024-11-17 08:33:57,332 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-17 08:33:57,332 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-17 08:33:57,332 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-17 08:33:57,332 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-17 08:33:57,332 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-17 08:33:57,332 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-17 08:33:57,333 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-17 08:33:57,333 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-17 08:33:57,336 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 19 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 18 states have internal predecessors, (25), 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) [2024-11-17 08:33:57,348 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2024-11-17 08:33:57,348 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:33:57,348 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:33:57,353 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-17 08:33:57,353 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-17 08:33:57,353 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-17 08:33:57,354 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 19 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 18 states have internal predecessors, (25), 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) [2024-11-17 08:33:57,355 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2024-11-17 08:33:57,355 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:33:57,355 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:33:57,356 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-17 08:33:57,356 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-17 08:33:57,363 INFO L745 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue 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(9, 2); 14#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_~MAXPATHLEN~0#1, main_~pathbuf_off~0#1, main_~bound_off~0#1, main_~glob2_p_off~0#1, main_~glob2_pathbuf_off~0#1, main_~glob2_pathlim_off~0#1;havoc main_~MAXPATHLEN~0#1;havoc main_~pathbuf_off~0#1;havoc main_~bound_off~0#1;havoc main_~glob2_p_off~0#1;havoc main_~glob2_pathbuf_off~0#1;havoc main_~glob2_pathlim_off~0#1;havoc main_#t~nondet1#1;main_~MAXPATHLEN~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 10#L33-1true assume main_~MAXPATHLEN~0#1 > 0 && main_~MAXPATHLEN~0#1 < 2147483647;main_~pathbuf_off~0#1 := 0;main_~bound_off~0#1 := main_~pathbuf_off~0#1 + (1 + main_~MAXPATHLEN~0#1) - 1;main_~glob2_pathbuf_off~0#1 := main_~pathbuf_off~0#1;main_~glob2_pathlim_off~0#1 := main_~bound_off~0#1;main_~glob2_p_off~0#1 := main_~glob2_pathbuf_off~0#1; 17#L38true [2024-11-17 08:33:57,363 INFO L747 eck$LassoCheckResult]: Loop: 17#L38true assume true; 5#L38-1true assume !!(main_~glob2_p_off~0#1 <= main_~glob2_pathlim_off~0#1);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 0 <= main_~glob2_p_off~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 6#L18-1true assume !(0 == __VERIFIER_assert_~cond#1); 18#L21-1true assume true;havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~glob2_p_off~0#1 < 1 + main_~MAXPATHLEN~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 13#L18true assume !(0 == __VERIFIER_assert_~cond#1); 15#L21true assume true;havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;main_#t~post2#1 := main_~glob2_p_off~0#1;main_~glob2_p_off~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 17#L38true [2024-11-17 08:33:57,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:33:57,369 INFO L85 PathProgramCache]: Analyzing trace with hash 60541, now seen corresponding path program 1 times [2024-11-17 08:33:57,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:33:57,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268194500] [2024-11-17 08:33:57,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:33:57,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:33:57,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:33:57,472 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:33:57,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:33:57,502 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:33:57,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:33:57,507 INFO L85 PathProgramCache]: Analyzing trace with hash 1566838738, now seen corresponding path program 1 times [2024-11-17 08:33:57,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:33:57,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871032010] [2024-11-17 08:33:57,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:33:57,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:33:57,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:33:57,534 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:33:57,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:33:57,544 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:33:57,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:33:57,545 INFO L85 PathProgramCache]: Analyzing trace with hash 998813518, now seen corresponding path program 1 times [2024-11-17 08:33:57,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:33:57,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795199970] [2024-11-17 08:33:57,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:33:57,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:33:57,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:33:57,564 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:33:57,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:33:57,581 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:33:57,704 INFO L204 LassoAnalysis]: Preferences: [2024-11-17 08:33:57,705 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-17 08:33:57,705 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-17 08:33:57,705 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-17 08:33:57,706 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-17 08:33:57,706 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:33:57,706 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-17 08:33:57,706 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-17 08:33:57,706 INFO L132 ssoRankerPreferences]: Filename of dumped script: NetBSD_loop.i_Iteration1_Loop [2024-11-17 08:33:57,706 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-17 08:33:57,707 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-17 08:33:57,718 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:33:57,726 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:33:57,742 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:33:57,745 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:33:57,796 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-17 08:33:57,797 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-17 08:33:57,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:33:57,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:33:57,801 INFO L229 MonitoredProcess]: Starting monitored process 2 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) [2024-11-17 08:33:57,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-17 08:33:57,805 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-17 08:33:57,805 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:33:57,824 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-17 08:33:57,825 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___VERIFIER_assert_#in~cond#1=0} Honda state: {ULTIMATE.start___VERIFIER_assert_#in~cond#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-17 08:33:57,836 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-17 08:33:57,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:33:57,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:33:57,838 INFO L229 MonitoredProcess]: Starting monitored process 3 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) [2024-11-17 08:33:57,840 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-17 08:33:57,841 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-17 08:33:57,841 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:33:57,868 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-11-17 08:33:57,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:33:57,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:33:57,870 INFO L229 MonitoredProcess]: Starting monitored process 4 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) [2024-11-17 08:33:57,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-17 08:33:57,872 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-17 08:33:57,872 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:33:57,948 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-17 08:33:57,953 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-17 08:33:57,954 INFO L204 LassoAnalysis]: Preferences: [2024-11-17 08:33:57,954 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-17 08:33:57,954 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-17 08:33:57,954 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-17 08:33:57,954 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-17 08:33:57,955 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:33:57,955 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-17 08:33:57,955 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-17 08:33:57,955 INFO L132 ssoRankerPreferences]: Filename of dumped script: NetBSD_loop.i_Iteration1_Loop [2024-11-17 08:33:57,955 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-17 08:33:57,955 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-17 08:33:57,956 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:33:57,960 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:33:57,975 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:33:57,979 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:33:58,019 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-17 08:33:58,023 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-17 08:33:58,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:33:58,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:33:58,026 INFO L229 MonitoredProcess]: Starting monitored process 5 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) [2024-11-17 08:33:58,028 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-17 08:33:58,030 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-17 08:33:58,043 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:33:58,044 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-17 08:33:58,044 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:33:58,044 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:33:58,044 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:33:58,046 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-17 08:33:58,046 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-17 08:33:58,048 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:33:58,063 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-17 08:33:58,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:33:58,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:33:58,068 INFO L229 MonitoredProcess]: Starting monitored process 6 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) [2024-11-17 08:33:58,070 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-17 08:33:58,071 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-17 08:33:58,083 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:33:58,084 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-17 08:33:58,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:33:58,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:33:58,084 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:33:58,088 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-17 08:33:58,088 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-17 08:33:58,095 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-17 08:33:58,099 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-17 08:33:58,100 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-17 08:33:58,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:33:58,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:33:58,160 INFO L229 MonitoredProcess]: Starting monitored process 7 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) [2024-11-17 08:33:58,161 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-17 08:33:58,161 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-17 08:33:58,161 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-17 08:33:58,162 INFO L474 LassoAnalysis]: Proved termination. [2024-11-17 08:33:58,162 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~glob2_p_off~0#1, ULTIMATE.start_main_~glob2_pathlim_off~0#1) = -2*ULTIMATE.start_main_~glob2_p_off~0#1 + 2*ULTIMATE.start_main_~glob2_pathlim_off~0#1 + 1 Supporting invariants [] [2024-11-17 08:33:58,173 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-11-17 08:33:58,176 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-17 08:33:58,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:33:58,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:33:58,229 INFO L255 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-17 08:33:58,230 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:33:58,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:33:58,245 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 08:33:58,246 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:33:58,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:33:58,351 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-17 08:33:58,356 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-17 08:33:58,358 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 19 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 18 states have internal predecessors, (25), 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) Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2024-11-17 08:33:58,422 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 19 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 18 states have internal predecessors, (25), 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). Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) Result 47 states and 59 transitions. Complement of second has 8 states. [2024-11-17 08:33:58,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-17 08:33:58,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2024-11-17 08:33:58,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 43 transitions. [2024-11-17 08:33:58,433 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 43 transitions. Stem has 3 letters. Loop has 6 letters. [2024-11-17 08:33:58,434 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:33:58,434 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 43 transitions. Stem has 9 letters. Loop has 6 letters. [2024-11-17 08:33:58,434 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:33:58,434 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 43 transitions. Stem has 3 letters. Loop has 12 letters. [2024-11-17 08:33:58,434 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:33:58,435 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 59 transitions. [2024-11-17 08:33:58,440 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-17 08:33:58,442 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 0 states and 0 transitions. [2024-11-17 08:33:58,442 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-17 08:33:58,442 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-17 08:33:58,443 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-17 08:33:58,443 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:33:58,443 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-17 08:33:58,443 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-17 08:33:58,443 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-17 08:33:58,443 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-17 08:33:58,443 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-17 08:33:58,444 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-17 08:33:58,444 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-17 08:33:58,450 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.11 08:33:58 BoogieIcfgContainer [2024-11-17 08:33:58,450 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-17 08:33:58,452 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 08:33:58,452 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 08:33:58,452 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 08:33:58,452 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:33:57" (3/4) ... [2024-11-17 08:33:58,454 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-17 08:33:58,455 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 08:33:58,456 INFO L158 Benchmark]: Toolchain (without parser) took 1769.61ms. Allocated memory was 127.9MB in the beginning and 172.0MB in the end (delta: 44.0MB). Free memory was 74.3MB in the beginning and 134.1MB in the end (delta: -59.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:33:58,456 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 127.9MB. Free memory is still 96.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:33:58,457 INFO L158 Benchmark]: CACSL2BoogieTranslator took 260.30ms. Allocated memory was 127.9MB in the beginning and 172.0MB in the end (delta: 44.0MB). Free memory was 74.0MB in the beginning and 141.8MB in the end (delta: -67.8MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2024-11-17 08:33:58,457 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.09ms. Allocated memory is still 172.0MB. Free memory was 141.8MB in the beginning and 143.4MB in the end (delta: -1.7MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2024-11-17 08:33:58,457 INFO L158 Benchmark]: Boogie Preprocessor took 35.89ms. Allocated memory is still 172.0MB. Free memory was 143.4MB in the beginning and 142.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 08:33:58,458 INFO L158 Benchmark]: IcfgBuilder took 238.49ms. Allocated memory is still 172.0MB. Free memory was 142.2MB in the beginning and 131.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-17 08:33:58,458 INFO L158 Benchmark]: BuchiAutomizer took 1187.80ms. Allocated memory is still 172.0MB. Free memory was 131.7MB in the beginning and 134.1MB in the end (delta: -2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:33:58,458 INFO L158 Benchmark]: Witness Printer took 3.61ms. Allocated memory is still 172.0MB. Free memory is still 134.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:33:58,462 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 127.9MB. Free memory is still 96.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 260.30ms. Allocated memory was 127.9MB in the beginning and 172.0MB in the end (delta: 44.0MB). Free memory was 74.0MB in the beginning and 141.8MB in the end (delta: -67.8MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.09ms. Allocated memory is still 172.0MB. Free memory was 141.8MB in the beginning and 143.4MB in the end (delta: -1.7MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.89ms. Allocated memory is still 172.0MB. Free memory was 143.4MB in the beginning and 142.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 238.49ms. Allocated memory is still 172.0MB. Free memory was 142.2MB in the beginning and 131.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 1187.80ms. Allocated memory is still 172.0MB. Free memory was 131.7MB in the beginning and 134.1MB in the end (delta: -2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.61ms. Allocated memory is still 172.0MB. Free memory is still 134.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function ((((long long) -2 * glob2_p_off) + ((long long) 2 * glob2_pathlim_off)) + 1) and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. 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 [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 23 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 14 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital16 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq137 hnf95 smp100 dnf100 smp100 tf109 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 24ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-17 08:33:58,501 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 Result: TRUE