./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loops/veris.c_NetBSD-libc_loop.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c7c6ca5d 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/loops/veris.c_NetBSD-libc_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 b1c73403384a361e15608c077b8e86297621fa69c42f15894e841079f64af74a --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 15:49:38,745 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 15:49:38,810 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-09 15:49:38,816 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 15:49:38,817 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 15:49:38,845 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 15:49:38,846 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 15:49:38,846 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 15:49:38,847 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 15:49:38,847 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 15:49:38,848 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 15:49:38,848 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 15:49:38,849 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 15:49:38,852 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-09 15:49:38,853 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-09 15:49:38,853 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-09 15:49:38,853 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-09 15:49:38,853 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-09 15:49:38,853 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-09 15:49:38,854 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 15:49:38,854 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-09 15:49:38,856 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 15:49:38,856 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 15:49:38,857 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 15:49:38,857 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 15:49:38,857 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-09 15:49:38,857 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-09 15:49:38,858 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-09 15:49:38,858 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 15:49:38,858 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 15:49:38,858 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 15:49:38,858 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 15:49:38,859 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-09 15:49:38,859 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 15:49:38,859 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 15:49:38,859 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 15:49:38,859 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 15:49:38,860 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 15:49:38,860 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-09 15:49:38,861 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b1c73403384a361e15608c077b8e86297621fa69c42f15894e841079f64af74a [2024-11-09 15:49:39,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 15:49:39,182 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 15:49:39,185 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 15:49:39,187 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 15:49:39,187 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 15:49:39,188 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/veris.c_NetBSD-libc_loop.i [2024-11-09 15:49:40,608 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 15:49:40,853 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 15:49:40,853 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/veris.c_NetBSD-libc_loop.i [2024-11-09 15:49:40,865 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14c1e471a/95e1827a660f4288a2770dd8cb3bf23a/FLAGdea63511e [2024-11-09 15:49:40,882 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14c1e471a/95e1827a660f4288a2770dd8cb3bf23a [2024-11-09 15:49:40,885 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 15:49:40,886 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 15:49:40,889 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 15:49:40,890 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 15:49:40,897 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 15:49:40,898 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:49:40" (1/1) ... [2024-11-09 15:49:40,898 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a764f94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:49:40, skipping insertion in model container [2024-11-09 15:49:40,901 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:49:40" (1/1) ... [2024-11-09 15:49:40,922 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 15:49:41,117 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 15:49:41,129 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 15:49:41,146 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 15:49:41,159 INFO L204 MainTranslator]: Completed translation [2024-11-09 15:49:41,160 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:49:41 WrapperNode [2024-11-09 15:49:41,160 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 15:49:41,161 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 15:49:41,161 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 15:49:41,161 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 15:49:41,166 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:49:41" (1/1) ... [2024-11-09 15:49:41,171 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:49:41" (1/1) ... [2024-11-09 15:49:41,187 INFO L138 Inliner]: procedures = 16, calls = 13, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 45 [2024-11-09 15:49:41,188 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 15:49:41,188 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 15:49:41,188 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 15:49:41,190 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 15:49:41,201 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:49:41" (1/1) ... [2024-11-09 15:49:41,202 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:49:41" (1/1) ... [2024-11-09 15:49:41,205 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:49:41" (1/1) ... [2024-11-09 15:49:41,219 INFO L175 MemorySlicer]: Split 3 memory accesses to 2 slices as follows [2, 1]. 67 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 1 writes are split as follows [0, 1]. [2024-11-09 15:49:41,220 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:49:41" (1/1) ... [2024-11-09 15:49:41,220 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:49:41" (1/1) ... [2024-11-09 15:49:41,229 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:49:41" (1/1) ... [2024-11-09 15:49:41,232 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:49:41" (1/1) ... [2024-11-09 15:49:41,235 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:49:41" (1/1) ... [2024-11-09 15:49:41,236 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:49:41" (1/1) ... [2024-11-09 15:49:41,237 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 15:49:41,238 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 15:49:41,239 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 15:49:41,239 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 15:49:41,240 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:49:41" (1/1) ... [2024-11-09 15:49:41,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:41,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:49:41,276 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) [2024-11-09 15:49:41,280 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 [2024-11-09 15:49:41,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 15:49:41,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 15:49:41,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 15:49:41,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 15:49:41,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 15:49:41,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 15:49:41,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 15:49:41,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 15:49:41,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 15:49:41,394 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 15:49:41,396 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 15:49:41,539 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live. [2024-11-09 15:49:41,539 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 15:49:41,555 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 15:49:41,557 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 15:49:41,557 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:49:41 BoogieIcfgContainer [2024-11-09 15:49:41,557 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 15:49:41,559 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-09 15:49:41,559 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-09 15:49:41,563 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-09 15:49:41,564 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-09 15:49:41,564 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.11 03:49:40" (1/3) ... [2024-11-09 15:49:41,565 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@53d30f5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 03:49:41, skipping insertion in model container [2024-11-09 15:49:41,565 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-09 15:49:41,565 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:49:41" (2/3) ... [2024-11-09 15:49:41,566 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@53d30f5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 03:49:41, skipping insertion in model container [2024-11-09 15:49:41,567 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-09 15:49:41,567 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:49:41" (3/3) ... [2024-11-09 15:49:41,568 INFO L332 chiAutomizerObserver]: Analyzing ICFG veris.c_NetBSD-libc_loop.i [2024-11-09 15:49:41,624 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-09 15:49:41,625 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-09 15:49:41,626 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-09 15:49:41,626 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-09 15:49:41,626 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-09 15:49:41,627 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-09 15:49:41,627 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-09 15:49:41,628 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-09 15:49:41,632 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 14 states have internal predecessors, (18), 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) [2024-11-09 15:49:41,648 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-11-09 15:49:41,648 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:49:41,648 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:49:41,653 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-09 15:49:41,654 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-09 15:49:41,654 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-09 15:49:41,654 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 14 states have internal predecessors, (18), 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) [2024-11-09 15:49:41,656 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-11-09 15:49:41,657 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:49:41,657 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:49:41,657 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-09 15:49:41,657 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-09 15:49:41,663 INFO L745 eck$LassoCheckResult]: Stem: 14#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(27, 2);~tmp~0.base, ~tmp~0.offset := 0, 0; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret2#1, main_~#pathbuf~0#1.base, main_~#pathbuf~0#1.offset, main_~bound~0#1.base, main_~bound~0#1.offset;call main_~#pathbuf~0#1.base, main_~#pathbuf~0#1.offset := #Ultimate.allocOnStack(8);main_~bound~0#1.base, main_~bound~0#1.offset := main_~#pathbuf~0#1.base, 8 + main_~#pathbuf~0#1.offset - 4;~tmp~0.base, ~tmp~0.offset := main_~#pathbuf~0#1.base, 8 + main_~#pathbuf~0#1.offset - 4;assume { :begin_inline_glob2 } true;glob2_#in~pathbuf#1.base, glob2_#in~pathbuf#1.offset, glob2_#in~pathlim#1.base, glob2_#in~pathlim#1.offset := main_~#pathbuf~0#1.base, main_~#pathbuf~0#1.offset, main_~bound~0#1.base, main_~bound~0#1.offset;havoc glob2_#res#1;havoc glob2_#t~post1#1.base, glob2_#t~post1#1.offset, glob2_~pathbuf#1.base, glob2_~pathbuf#1.offset, glob2_~pathlim#1.base, glob2_~pathlim#1.offset, glob2_~p~0#1.base, glob2_~p~0#1.offset;glob2_~pathbuf#1.base, glob2_~pathbuf#1.offset := glob2_#in~pathbuf#1.base, glob2_#in~pathbuf#1.offset;glob2_~pathlim#1.base, glob2_~pathlim#1.offset := glob2_#in~pathlim#1.base, glob2_#in~pathlim#1.offset;havoc glob2_~p~0#1.base, glob2_~p~0#1.offset;glob2_~p~0#1.base, glob2_~p~0#1.offset := glob2_~pathbuf#1.base, glob2_~pathbuf#1.offset; 5#L29-4true [2024-11-09 15:49:41,664 INFO L747 eck$LassoCheckResult]: Loop: 5#L29-4true assume glob2_~p~0#1.base == glob2_~pathlim#1.base; 6#L29-1true assume !!(glob2_~p~0#1.offset <= glob2_~pathlim#1.offset);assume glob2_~p~0#1.base == ~tmp~0.base;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if glob2_~p~0#1.offset <= ~tmp~0.offset then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 7#L15true assume !(0 == __VERIFIER_assert_~cond#1); 9#L15-2true havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;call write~int#1(1, glob2_~p~0#1.base, glob2_~p~0#1.offset, 4); 12#L29-3true glob2_#t~post1#1.base, glob2_#t~post1#1.offset := glob2_~p~0#1.base, glob2_~p~0#1.offset;glob2_~p~0#1.base, glob2_~p~0#1.offset := glob2_#t~post1#1.base, 4 + glob2_#t~post1#1.offset;havoc glob2_#t~post1#1.base, glob2_#t~post1#1.offset; 5#L29-4true [2024-11-09 15:49:41,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:49:41,673 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-09 15:49:41,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:49:41,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001876615] [2024-11-09 15:49:41,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:49:41,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:49:41,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:49:41,803 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:49:41,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:49:41,846 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:49:41,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:49:41,850 INFO L85 PathProgramCache]: Analyzing trace with hash 34522901, now seen corresponding path program 1 times [2024-11-09 15:49:41,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:49:41,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183041061] [2024-11-09 15:49:41,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:49:41,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:49:41,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:49:41,877 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:49:41,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:49:41,897 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:49:41,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:49:41,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1805962387, now seen corresponding path program 1 times [2024-11-09 15:49:41,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:49:41,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140624976] [2024-11-09 15:49:41,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:49:41,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:49:41,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:49:41,944 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:49:41,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:49:41,977 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:49:42,597 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:49:42,598 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:49:42,598 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:49:42,599 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:49:42,599 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-09 15:49:42,599 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:42,599 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:49:42,599 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:49:42,599 INFO L132 ssoRankerPreferences]: Filename of dumped script: veris.c_NetBSD-libc_loop.i_Iteration1_Lasso [2024-11-09 15:49:42,600 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:49:42,600 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:49:42,618 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:42,902 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:42,914 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:42,917 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:42,919 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:42,921 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:42,924 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:42,926 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:42,929 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:43,210 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:49:43,214 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-09 15:49:43,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:43,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:49:43,219 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) [2024-11-09 15:49:43,220 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 [2024-11-09 15:49:43,222 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 [2024-11-09 15:49:43,236 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:49:43,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:49:43,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:49:43,237 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:49:43,244 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:49:43,244 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-09 15:49:43,253 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:49:43,269 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 [2024-11-09 15:49:43,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:43,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:49:43,273 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) [2024-11-09 15:49:43,275 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 [2024-11-09 15:49:43,276 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 [2024-11-09 15:49:43,291 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:49:43,292 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:49:43,292 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:49:43,292 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:49:43,299 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:49:43,300 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-09 15:49:43,310 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-09 15:49:43,329 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2024-11-09 15:49:43,330 INFO L444 ModelExtractionUtils]: 11 out of 19 variables were initially zero. Simplification set additionally 4 variables to zero. [2024-11-09 15:49:43,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:43,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:49:43,334 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) [2024-11-09 15:49:43,339 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 [2024-11-09 15:49:43,340 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-09 15:49:43,362 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-09 15:49:43,363 INFO L474 LassoAnalysis]: Proved termination. [2024-11-09 15:49:43,364 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_glob2_~pathlim#1.offset, ULTIMATE.start_glob2_~p~0#1.offset) = 1*ULTIMATE.start_glob2_~pathlim#1.offset - 1*ULTIMATE.start_glob2_~p~0#1.offset + 2 Supporting invariants [] [2024-11-09 15:49:43,379 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-09 15:49:43,406 INFO L156 tatePredicateManager]: 8 out of 8 supporting invariants were superfluous and have been removed [2024-11-09 15:49:43,414 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~p~0!offset [2024-11-09 15:49:43,415 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pathlim!offset [2024-11-09 15:49:43,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:49:43,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:49:43,460 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 15:49:43,461 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:49:43,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:49:43,482 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 15:49:43,483 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:49:43,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:49:43,551 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 [2024-11-09 15:49:43,554 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 14 states have internal predecessors, (18), 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 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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) [2024-11-09 15:49:43,595 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 14 states have internal predecessors, (18), 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 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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 34 states and 42 transitions. Complement of second has 8 states. [2024-11-09 15:49:43,599 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 [2024-11-09 15:49:43,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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) [2024-11-09 15:49:43,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 28 transitions. [2024-11-09 15:49:43,606 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 2 letters. Loop has 5 letters. [2024-11-09 15:49:43,607 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:49:43,607 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 7 letters. Loop has 5 letters. [2024-11-09 15:49:43,607 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:49:43,607 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 2 letters. Loop has 10 letters. [2024-11-09 15:49:43,607 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:49:43,608 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 42 transitions. [2024-11-09 15:49:43,611 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-09 15:49:43,614 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 0 states and 0 transitions. [2024-11-09 15:49:43,615 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-09 15:49:43,638 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-09 15:49:43,640 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-09 15:49:43,645 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-09 15:49:43,645 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 15:49:43,646 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 15:49:43,646 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 15:49:43,647 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-09 15:49:43,647 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-09 15:49:43,647 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-09 15:49:43,647 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-09 15:49:43,661 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.11 03:49:43 BoogieIcfgContainer [2024-11-09 15:49:43,662 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-09 15:49:43,662 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 15:49:43,663 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 15:49:43,663 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 15:49:43,664 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:49:41" (3/4) ... [2024-11-09 15:49:43,670 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 [2024-11-09 15:49:43,672 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 15:49:43,673 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 15:49:43,674 INFO L158 Benchmark]: Toolchain (without parser) took 2788.24ms. Allocated memory is still 161.5MB. Free memory was 125.0MB in the beginning and 130.8MB in the end (delta: -5.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 15:49:43,675 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 91.6MB in the end (delta: 151.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 15:49:43,675 INFO L158 Benchmark]: CACSL2BoogieTranslator took 270.87ms. Allocated memory is still 161.5MB. Free memory was 124.3MB in the beginning and 112.5MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 15:49:43,675 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.88ms. Allocated memory is still 161.5MB. Free memory was 112.5MB in the beginning and 111.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 15:49:43,676 INFO L158 Benchmark]: Boogie Preprocessor took 49.44ms. Allocated memory is still 161.5MB. Free memory was 111.0MB in the beginning and 109.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 15:49:43,676 INFO L158 Benchmark]: RCFGBuilder took 319.60ms. Allocated memory is still 161.5MB. Free memory was 109.0MB in the beginning and 97.1MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 15:49:43,677 INFO L158 Benchmark]: BuchiAutomizer took 2102.84ms. Allocated memory is still 161.5MB. Free memory was 96.4MB in the beginning and 131.4MB in the end (delta: -35.0MB). Peak memory consumption was 55.0MB. Max. memory is 16.1GB. [2024-11-09 15:49:43,677 INFO L158 Benchmark]: Witness Printer took 11.29ms. Allocated memory is still 161.5MB. Free memory was 131.4MB in the beginning and 130.8MB in the end (delta: 514.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 15:49:43,682 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 91.6MB in the end (delta: 151.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 270.87ms. Allocated memory is still 161.5MB. Free memory was 124.3MB in the beginning and 112.5MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.88ms. Allocated memory is still 161.5MB. Free memory was 112.5MB in the beginning and 111.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.44ms. Allocated memory is still 161.5MB. Free memory was 111.0MB in the beginning and 109.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 319.60ms. Allocated memory is still 161.5MB. Free memory was 109.0MB in the beginning and 97.1MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 2102.84ms. Allocated memory is still 161.5MB. Free memory was 96.4MB in the beginning and 131.4MB in the end (delta: -35.0MB). Peak memory consumption was 55.0MB. Max. memory is 16.1GB. * Witness Printer took 11.29ms. Allocated memory is still 161.5MB. Free memory was 131.4MB in the beginning and 130.8MB in the end (delta: 514.2kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~p~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pathlim!offset * 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 null and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. 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, 7 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 6 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital130 mio100 ax100 hnf100 lsp89 ukn100 mio100 lsp36 div100 bol100 ite100 ukn100 eq180 hnf89 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 36ms VariablesStem: 2 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-09 15:49:43,715 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 Result: TRUE