./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 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/loop-invgen/NetBSD_loop.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 0.3.0-?-48c9605-m [2025-02-08 14:39:24,616 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 14:39:24,695 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-02-08 14:39:24,701 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 14:39:24,702 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 14:39:24,702 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-02-08 14:39:24,727 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 14:39:24,728 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 14:39:24,728 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 14:39:24,729 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 14:39:24,729 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 14:39:24,729 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 14:39:24,729 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 14:39:24,729 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 14:39:24,730 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-02-08 14:39:24,730 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-02-08 14:39:24,730 INFO L153 SettingsManager]: * Use old map elimination=false [2025-02-08 14:39:24,730 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-02-08 14:39:24,730 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-02-08 14:39:24,730 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-02-08 14:39:24,730 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 14:39:24,731 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-02-08 14:39:24,731 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 14:39:24,731 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 14:39:24,731 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 14:39:24,731 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 14:39:24,731 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-02-08 14:39:24,731 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-02-08 14:39:24,731 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-02-08 14:39:24,731 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 14:39:24,732 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 14:39:24,732 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 14:39:24,732 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-02-08 14:39:24,732 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 14:39:24,732 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 14:39:24,732 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 14:39:24,732 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 14:39:24,732 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 14:39:24,733 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 14:39:24,733 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-02-08 14:39:24,733 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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-jdk21/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 [2025-02-08 14:39:25,024 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 14:39:25,034 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 14:39:25,037 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 14:39:25,038 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 14:39:25,039 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 14:39:25,040 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invgen/NetBSD_loop.i [2025-02-08 14:39:26,313 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/afe8d588c/27b049238e64402e8ee8ae672db94f04/FLAGba4dd8133 [2025-02-08 14:39:26,577 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 14:39:26,577 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/loop-invgen/NetBSD_loop.i [2025-02-08 14:39:26,584 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/afe8d588c/27b049238e64402e8ee8ae672db94f04/FLAGba4dd8133 [2025-02-08 14:39:26,602 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/afe8d588c/27b049238e64402e8ee8ae672db94f04 [2025-02-08 14:39:26,605 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 14:39:26,606 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 14:39:26,608 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 14:39:26,608 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 14:39:26,612 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 14:39:26,612 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 02:39:26" (1/1) ... [2025-02-08 14:39:26,613 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52dd34e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:39:26, skipping insertion in model container [2025-02-08 14:39:26,614 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 02:39:26" (1/1) ... [2025-02-08 14:39:26,628 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 14:39:26,785 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 14:39:26,800 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 14:39:26,815 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 14:39:26,832 INFO L204 MainTranslator]: Completed translation [2025-02-08 14:39:26,833 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:39:26 WrapperNode [2025-02-08 14:39:26,834 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 14:39:26,835 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 14:39:26,835 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 14:39:26,835 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 14:39:26,840 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:39:26" (1/1) ... [2025-02-08 14:39:26,846 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:39:26" (1/1) ... [2025-02-08 14:39:26,863 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 49 [2025-02-08 14:39:26,865 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 14:39:26,866 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 14:39:26,866 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 14:39:26,867 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 14:39:26,873 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:39:26" (1/1) ... [2025-02-08 14:39:26,873 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:39:26" (1/1) ... [2025-02-08 14:39:26,874 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:39:26" (1/1) ... [2025-02-08 14:39:26,888 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]. [2025-02-08 14:39:26,889 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:39:26" (1/1) ... [2025-02-08 14:39:26,889 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:39:26" (1/1) ... [2025-02-08 14:39:26,893 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:39:26" (1/1) ... [2025-02-08 14:39:26,897 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:39:26" (1/1) ... [2025-02-08 14:39:26,898 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:39:26" (1/1) ... [2025-02-08 14:39:26,899 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:39:26" (1/1) ... [2025-02-08 14:39:26,900 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 14:39:26,902 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 14:39:26,902 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 14:39:26,902 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 14:39:26,903 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:39:26" (1/1) ... [2025-02-08 14:39:26,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:39:26,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:39:26,936 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:39:26,940 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2025-02-08 14:39:26,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 14:39:26,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 14:39:26,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 14:39:26,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 14:39:27,021 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 14:39:27,023 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 14:39:27,123 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L19: havoc reach_error_#t~nondet0#1.base, reach_error_#t~nondet0#1.offset;assume { :end_inline_reach_error } true;assume false; [2025-02-08 14:39:27,123 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L18: assume 0 == __VERIFIER_assert_~cond#1;assume { :begin_inline_reach_error } true;havoc reach_error_#t~nondet0#1.base, reach_error_#t~nondet0#1.offset; [2025-02-08 14:39:27,124 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L18: assume !(0 == __VERIFIER_assert_~cond#1); [2025-02-08 14:39:27,124 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L12: assume false; [2025-02-08 14:39:27,124 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L12: assume !false;assume false; [2025-02-08 14:39:27,124 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L42: 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; [2025-02-08 14:39:27,124 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L41: 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; [2025-02-08 14:39:27,136 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2025-02-08 14:39:27,137 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 14:39:27,146 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 14:39:27,147 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 14:39:27,147 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:39:27 BoogieIcfgContainer [2025-02-08 14:39:27,148 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 14:39:27,149 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-02-08 14:39:27,149 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-02-08 14:39:27,155 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-02-08 14:39:27,155 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-08 14:39:27,156 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.02 02:39:26" (1/3) ... [2025-02-08 14:39:27,157 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1d2623d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.02 02:39:27, skipping insertion in model container [2025-02-08 14:39:27,159 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-08 14:39:27,159 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:39:26" (2/3) ... [2025-02-08 14:39:27,159 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1d2623d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.02 02:39:27, skipping insertion in model container [2025-02-08 14:39:27,159 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-08 14:39:27,160 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:39:27" (3/3) ... [2025-02-08 14:39:27,161 INFO L363 chiAutomizerObserver]: Analyzing ICFG NetBSD_loop.i [2025-02-08 14:39:27,212 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-02-08 14:39:27,212 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-02-08 14:39:27,212 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-02-08 14:39:27,212 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-02-08 14:39:27,213 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-02-08 14:39:27,213 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-02-08 14:39:27,213 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-02-08 14:39:27,213 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-02-08 14:39:27,217 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 9 states have internal predecessors, (11), 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) [2025-02-08 14:39:27,230 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-08 14:39:27,232 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-02-08 14:39:27,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.02 02:39:27 BoogieIcfgContainer [2025-02-08 14:39:27,242 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-02-08 14:39:27,243 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 14:39:27,243 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 14:39:27,244 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 14:39:27,244 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:39:27" (3/4) ... [2025-02-08 14:39:27,247 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-08 14:39:27,247 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 14:39:27,249 INFO L158 Benchmark]: Toolchain (without parser) took 642.20ms. Allocated memory is still 167.8MB. Free memory was 122.9MB in the beginning and 94.3MB in the end (delta: 28.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-08 14:39:27,249 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 201.3MB. Free memory is still 118.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 14:39:27,250 INFO L158 Benchmark]: CACSL2BoogieTranslator took 226.52ms. Allocated memory is still 167.8MB. Free memory was 122.9MB in the beginning and 112.2MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 14:39:27,250 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.14ms. Allocated memory is still 167.8MB. Free memory was 112.2MB in the beginning and 111.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 14:39:27,250 INFO L158 Benchmark]: Boogie Preprocessor took 33.51ms. Allocated memory is still 167.8MB. Free memory was 110.8MB in the beginning and 109.9MB in the end (delta: 941.3kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 14:39:27,251 INFO L158 Benchmark]: IcfgBuilder took 245.74ms. Allocated memory is still 167.8MB. Free memory was 109.9MB in the beginning and 99.1MB in the end (delta: 10.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 14:39:27,251 INFO L158 Benchmark]: BuchiAutomizer took 93.86ms. Allocated memory is still 167.8MB. Free memory was 99.1MB in the beginning and 94.7MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 14:39:27,251 INFO L158 Benchmark]: Witness Printer took 4.38ms. Allocated memory is still 167.8MB. Free memory was 94.7MB in the beginning and 94.3MB in the end (delta: 305.2kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 14:39:27,253 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 201.3MB. Free memory is still 118.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 226.52ms. Allocated memory is still 167.8MB. Free memory was 122.9MB in the beginning and 112.2MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.14ms. Allocated memory is still 167.8MB. Free memory was 112.2MB in the beginning and 111.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.51ms. Allocated memory is still 167.8MB. Free memory was 110.8MB in the beginning and 109.9MB in the end (delta: 941.3kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 245.74ms. Allocated memory is still 167.8MB. Free memory was 109.9MB in the beginning and 99.1MB in the end (delta: 10.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 93.86ms. Allocated memory is still 167.8MB. Free memory was 99.1MB in the beginning and 94.7MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.38ms. Allocated memory is still 167.8MB. Free memory was 94.7MB in the beginning and 94.3MB in the end (delta: 305.2kB). 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 Trivial decomposition. There is no loop in your program. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.0s and 0 iterations. TraceHistogramMax:0. Analysis of lassos took 0.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2025-02-08 14:39:27,270 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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