./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-bwb/counting-bits-BK.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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/termination-bwb/counting-bits-BK.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-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 64bit --witnessprinter.graph.data.programhash fd975cc2a01973f9ff4e653eb22c285998b2ad4afa4fc6d69590e228bd13187c --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 14:17:19,932 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 14:17:19,990 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2025-02-08 14:17:19,994 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 14:17:19,994 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 14:17:19,994 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-02-08 14:17:20,018 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 14:17:20,018 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 14:17:20,019 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 14:17:20,019 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 14:17:20,020 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 14:17:20,020 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 14:17:20,020 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 14:17:20,020 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 14:17:20,020 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-02-08 14:17:20,020 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-02-08 14:17:20,021 INFO L153 SettingsManager]: * Use old map elimination=false [2025-02-08 14:17:20,021 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-02-08 14:17:20,021 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-02-08 14:17:20,021 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-02-08 14:17:20,021 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 14:17:20,021 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-02-08 14:17:20,021 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 14:17:20,021 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 14:17:20,021 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-02-08 14:17:20,021 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-02-08 14:17:20,021 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-02-08 14:17:20,021 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 14:17:20,022 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 14:17:20,022 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-02-08 14:17:20,022 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 14:17:20,022 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 14:17:20,022 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 14:17:20,022 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 14:17:20,022 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 14:17:20,022 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 14:17:20,022 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-02-08 14:17:20,022 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd975cc2a01973f9ff4e653eb22c285998b2ad4afa4fc6d69590e228bd13187c [2025-02-08 14:17:20,236 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 14:17:20,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 14:17:20,243 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 14:17:20,243 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 14:17:20,243 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 14:17:20,244 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-bwb/counting-bits-BK.i [2025-02-08 14:17:21,370 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9c2e94fe7/14ee6b1a38b24019a8786ede678c9493/FLAG41ce7ebb0 [2025-02-08 14:17:21,649 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 14:17:21,650 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/termination-bwb/counting-bits-BK.i [2025-02-08 14:17:21,656 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9c2e94fe7/14ee6b1a38b24019a8786ede678c9493/FLAG41ce7ebb0 [2025-02-08 14:17:21,941 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9c2e94fe7/14ee6b1a38b24019a8786ede678c9493 [2025-02-08 14:17:21,945 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 14:17:21,946 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 14:17:21,948 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 14:17:21,948 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 14:17:21,951 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 14:17:21,951 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 02:17:21" (1/1) ... [2025-02-08 14:17:21,952 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55c928ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:17:21, skipping insertion in model container [2025-02-08 14:17:21,952 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 02:17:21" (1/1) ... [2025-02-08 14:17:21,963 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 14:17:22,062 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 14:17:22,067 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 14:17:22,076 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 14:17:22,085 INFO L204 MainTranslator]: Completed translation [2025-02-08 14:17:22,086 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:17:22 WrapperNode [2025-02-08 14:17:22,086 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 14:17:22,087 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 14:17:22,087 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 14:17:22,087 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 14:17:22,092 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:17:22" (1/1) ... [2025-02-08 14:17:22,095 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:17:22" (1/1) ... [2025-02-08 14:17:22,105 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 31 [2025-02-08 14:17:22,105 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 14:17:22,106 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 14:17:22,106 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 14:17:22,106 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 14:17:22,111 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:17:22" (1/1) ... [2025-02-08 14:17:22,111 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:17:22" (1/1) ... [2025-02-08 14:17:22,113 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:17:22" (1/1) ... [2025-02-08 14:17:22,118 INFO L175 MemorySlicer]: No memory access in input program. [2025-02-08 14:17:22,119 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:17:22" (1/1) ... [2025-02-08 14:17:22,120 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:17:22" (1/1) ... [2025-02-08 14:17:22,121 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:17:22" (1/1) ... [2025-02-08 14:17:22,121 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:17:22" (1/1) ... [2025-02-08 14:17:22,122 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:17:22" (1/1) ... [2025-02-08 14:17:22,123 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:17:22" (1/1) ... [2025-02-08 14:17:22,123 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 14:17:22,126 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 14:17:22,126 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 14:17:22,126 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 14:17:22,127 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:17:22" (1/1) ... [2025-02-08 14:17:22,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:17:22,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:17:22,154 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 14:17:22,158 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 14:17:22,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 14:17:22,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 14:17:22,214 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 14:17:22,215 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 14:17:22,303 INFO L? ?]: Removed 2 outVars from TransFormulas that were not future-live. [2025-02-08 14:17:22,303 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 14:17:22,326 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 14:17:22,326 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 14:17:22,326 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:17:22 BoogieIcfgContainer [2025-02-08 14:17:22,326 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 14:17:22,327 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-02-08 14:17:22,327 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-02-08 14:17:22,331 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-02-08 14:17:22,331 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-08 14:17:22,332 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.02 02:17:21" (1/3) ... [2025-02-08 14:17:22,332 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@40b34fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.02 02:17:22, skipping insertion in model container [2025-02-08 14:17:22,332 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-08 14:17:22,333 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:17:22" (2/3) ... [2025-02-08 14:17:22,333 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@40b34fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.02 02:17:22, skipping insertion in model container [2025-02-08 14:17:22,333 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-08 14:17:22,333 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:17:22" (3/3) ... [2025-02-08 14:17:22,334 INFO L363 chiAutomizerObserver]: Analyzing ICFG counting-bits-BK.i [2025-02-08 14:17:22,367 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-02-08 14:17:22,367 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-02-08 14:17:22,367 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-02-08 14:17:22,367 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-02-08 14:17:22,367 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-02-08 14:17:22,368 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-02-08 14:17:22,368 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-02-08 14:17:22,368 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-02-08 14:17:22,372 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:17:22,382 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2025-02-08 14:17:22,382 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-08 14:17:22,382 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-08 14:17:22,386 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2025-02-08 14:17:22,386 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-08 14:17:22,386 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-02-08 14:17:22,386 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:17:22,387 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2025-02-08 14:17:22,387 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-08 14:17:22,387 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-08 14:17:22,388 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2025-02-08 14:17:22,388 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-08 14:17:22,393 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;~v~0 := 0;~c~0 := 0;~z~0 := 0;~y~0 := 0;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~bitwise2#1, main_#t~post3#1;havoc main_#t~nondet0#1;~y~0 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;~v~0 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" "assume ~v~0 >= 0;~c~0 := 0;" [2025-02-08 14:17:22,393 INFO L754 eck$LassoCheckResult]: Loop: "assume 0 != ~v~0;" "assume 0 == ~v~0 || 0 == ~v~0 - 1;main_#t~bitwise2#1 := 0;" "~v~0 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_#t~post3#1 := ~c~0;~c~0 := 1 + main_#t~post3#1;havoc main_#t~post3#1;" [2025-02-08 14:17:22,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:17:22,398 INFO L85 PathProgramCache]: Analyzing trace with hash 1343, now seen corresponding path program 1 times [2025-02-08 14:17:22,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:17:22,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079305873] [2025-02-08 14:17:22,404 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:17:22,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:17:22,448 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-08 14:17:22,454 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 14:17:22,455 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:17:22,455 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:17:22,455 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:17:22,457 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-08 14:17:22,458 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 14:17:22,459 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:17:22,459 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:17:22,469 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:17:22,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:17:22,471 INFO L85 PathProgramCache]: Analyzing trace with hash 38535, now seen corresponding path program 1 times [2025-02-08 14:17:22,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:17:22,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654135789] [2025-02-08 14:17:22,471 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:17:22,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:17:22,475 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-08 14:17:22,479 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-08 14:17:22,479 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:17:22,479 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:17:22,480 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:17:22,481 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-08 14:17:22,483 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-08 14:17:22,483 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:17:22,483 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:17:22,484 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:17:22,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:17:22,486 INFO L85 PathProgramCache]: Analyzing trace with hash 40018057, now seen corresponding path program 1 times [2025-02-08 14:17:22,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:17:22,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316120362] [2025-02-08 14:17:22,486 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:17:22,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:17:22,490 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-08 14:17:22,492 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-08 14:17:22,492 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:17:22,493 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:17:22,493 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:17:22,494 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-08 14:17:22,496 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-08 14:17:22,496 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:17:22,496 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:17:22,497 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:17:22,561 INFO L204 LassoAnalysis]: Preferences: [2025-02-08 14:17:22,564 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-08 14:17:22,564 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-08 14:17:22,564 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-08 14:17:22,564 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-08 14:17:22,564 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:17:22,564 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-08 14:17:22,564 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-08 14:17:22,564 INFO L132 ssoRankerPreferences]: Filename of dumped script: counting-bits-BK.i_Iteration1_Loop [2025-02-08 14:17:22,564 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-08 14:17:22,564 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-08 14:17:22,573 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:17:22,579 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:17:22,586 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:17:22,590 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:17:22,651 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-08 14:17:22,658 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-08 14:17:22,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:17:22,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:17:22,663 INFO L229 MonitoredProcess]: Starting monitored process 2 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 14:17:22,671 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2025-02-08 14:17:22,672 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-08 14:17:22,672 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-08 14:17:22,686 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-08 14:17:22,687 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post3#1=0} Honda state: {ULTIMATE.start_main_#t~post3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-08 14:17:22,693 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2025-02-08 14:17:22,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:17:22,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:17:22,697 INFO L229 MonitoredProcess]: Starting monitored process 3 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 14:17:22,698 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2025-02-08 14:17:22,701 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-08 14:17:22,701 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-08 14:17:22,719 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2025-02-08 14:17:22,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:17:22,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:17:22,722 INFO L229 MonitoredProcess]: Starting monitored process 4 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 14:17:22,723 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2025-02-08 14:17:22,724 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-08 14:17:22,724 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-08 14:17:22,741 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-08 14:17:22,747 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2025-02-08 14:17:22,747 INFO L204 LassoAnalysis]: Preferences: [2025-02-08 14:17:22,747 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-08 14:17:22,747 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-08 14:17:22,747 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-08 14:17:22,748 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-08 14:17:22,748 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:17:22,748 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-08 14:17:22,748 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-08 14:17:22,748 INFO L132 ssoRankerPreferences]: Filename of dumped script: counting-bits-BK.i_Iteration1_Loop [2025-02-08 14:17:22,748 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-08 14:17:22,748 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-08 14:17:22,749 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:17:22,757 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:17:22,762 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:17:22,770 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:17:22,825 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-08 14:17:22,828 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-08 14:17:22,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:17:22,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:17:22,831 INFO L229 MonitoredProcess]: Starting monitored process 5 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 14:17:22,833 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2025-02-08 14:17:22,835 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 [2025-02-08 14:17:22,850 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:17:22,851 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:17:22,851 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:17:22,851 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:17:22,852 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:17:22,860 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:17:22,860 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:17:22,866 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:17:22,872 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2025-02-08 14:17:22,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:17:22,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:17:22,875 INFO L229 MonitoredProcess]: Starting monitored process 6 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 14:17:22,878 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2025-02-08 14:17:22,882 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 [2025-02-08 14:17:22,892 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:17:22,892 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:17:22,892 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:17:22,892 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:17:22,892 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:17:22,894 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:17:22,894 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:17:22,896 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-08 14:17:22,898 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2025-02-08 14:17:22,900 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2025-02-08 14:17:22,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:17:22,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:17:22,903 INFO L229 MonitoredProcess]: Starting monitored process 7 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 14:17:22,905 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2025-02-08 14:17:22,905 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-08 14:17:22,905 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-02-08 14:17:22,906 INFO L474 LassoAnalysis]: Proved termination. [2025-02-08 14:17:22,906 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(~v~0) = 1*~v~0 Supporting invariants [] [2025-02-08 14:17:22,912 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2025-02-08 14:17:22,914 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-02-08 14:17:22,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:17:22,938 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-08 14:17:22,939 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 14:17:22,939 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:17:22,939 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:17:22,940 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-08 14:17:22,940 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 14:17:22,948 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-08 14:17:22,950 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-08 14:17:22,950 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:17:22,950 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:17:22,950 WARN L254 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 14:17:22,951 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 14:17:22,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 14:17:23,000 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2025-02-08 14:17:23,002 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 14:17:23,062 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 39 states and 48 transitions. Complement of second has 10 states. [2025-02-08 14:17:23,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2025-02-08 14:17:23,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 14:17:23,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 25 transitions. [2025-02-08 14:17:23,070 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 2 letters. Loop has 3 letters. [2025-02-08 14:17:23,071 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:17:23,071 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 5 letters. Loop has 3 letters. [2025-02-08 14:17:23,071 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:17:23,071 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 2 letters. Loop has 6 letters. [2025-02-08 14:17:23,072 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:17:23,072 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 48 transitions. [2025-02-08 14:17:23,073 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2025-02-08 14:17:23,075 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 15 states and 19 transitions. [2025-02-08 14:17:23,075 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2025-02-08 14:17:23,076 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2025-02-08 14:17:23,076 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 19 transitions. [2025-02-08 14:17:23,076 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-08 14:17:23,076 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 19 transitions. [2025-02-08 14:17:23,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 19 transitions. [2025-02-08 14:17:23,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 13. [2025-02-08 14:17:23,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 12 states have internal predecessors, (17), 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 14:17:23,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2025-02-08 14:17:23,092 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 17 transitions. [2025-02-08 14:17:23,092 INFO L432 stractBuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2025-02-08 14:17:23,092 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-02-08 14:17:23,092 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 17 transitions. [2025-02-08 14:17:23,092 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2025-02-08 14:17:23,092 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-08 14:17:23,092 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-08 14:17:23,093 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2025-02-08 14:17:23,093 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2025-02-08 14:17:23,093 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;~v~0 := 0;~c~0 := 0;~z~0 := 0;~y~0 := 0;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~bitwise2#1, main_#t~post3#1;havoc main_#t~nondet0#1;~y~0 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;~v~0 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" "assume ~v~0 >= 0;~c~0 := 0;" "assume 0 != ~v~0;" "assume !(0 == ~v~0 || 0 == ~v~0 - 1);" "assume !(~v~0 == ~v~0 - 1);" [2025-02-08 14:17:23,093 INFO L754 eck$LassoCheckResult]: Loop: "havoc main_#t~bitwise2#1;assume (((((~v~0 < 0 && ~v~0 - 1 >= 0) || main_#t~bitwise2#1 <= ~v~0) && ((~v~0 >= 0 && ~v~0 - 1 < 0) || main_#t~bitwise2#1 <= ~v~0 - 1)) && ((~v~0 < 0 && ~v~0 - 1 < 0) || main_#t~bitwise2#1 >= 0)) && ((~v~0 >= 0 && ~v~0 - 1 >= 0) || main_#t~bitwise2#1 > ~v~0 + (~v~0 - 1))) && main_#t~bitwise2#1 >= -2147483648;" "~v~0 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_#t~post3#1 := ~c~0;~c~0 := 1 + main_#t~post3#1;havoc main_#t~post3#1;" "assume 0 != ~v~0;" "assume !(0 == ~v~0 || 0 == ~v~0 - 1);" "assume !(~v~0 == ~v~0 - 1);" [2025-02-08 14:17:23,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:17:23,094 INFO L85 PathProgramCache]: Analyzing trace with hash 40018217, now seen corresponding path program 1 times [2025-02-08 14:17:23,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:17:23,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977500487] [2025-02-08 14:17:23,094 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:17:23,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:17:23,096 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-08 14:17:23,097 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-08 14:17:23,097 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:17:23,097 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:17:23,097 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:17:23,098 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-08 14:17:23,099 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-08 14:17:23,099 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:17:23,099 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:17:23,100 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:17:23,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:17:23,101 INFO L85 PathProgramCache]: Analyzing trace with hash 41626931, now seen corresponding path program 1 times [2025-02-08 14:17:23,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:17:23,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843975955] [2025-02-08 14:17:23,101 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:17:23,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:17:23,104 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-08 14:17:23,108 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-08 14:17:23,108 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:17:23,108 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:17:23,108 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:17:23,110 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-08 14:17:23,112 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-08 14:17:23,113 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:17:23,113 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:17:23,114 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:17:23,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:17:23,114 INFO L85 PathProgramCache]: Analyzing trace with hash 769066251, now seen corresponding path program 1 times [2025-02-08 14:17:23,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:17:23,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694365250] [2025-02-08 14:17:23,114 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:17:23,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:17:23,117 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-02-08 14:17:23,121 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-02-08 14:17:23,121 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:17:23,121 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:17:23,121 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:17:23,122 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-02-08 14:17:23,126 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-02-08 14:17:23,126 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:17:23,126 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:17:23,127 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:17:23,176 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2025-02-08 14:17:23,282 INFO L204 LassoAnalysis]: Preferences: [2025-02-08 14:17:23,283 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-08 14:17:23,283 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-08 14:17:23,283 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-08 14:17:23,283 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-08 14:17:23,283 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:17:23,283 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-08 14:17:23,283 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-08 14:17:23,283 INFO L132 ssoRankerPreferences]: Filename of dumped script: counting-bits-BK.i_Iteration2_Loop [2025-02-08 14:17:23,283 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-08 14:17:23,283 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-08 14:17:23,284 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:17:23,288 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:17:23,305 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:17:23,307 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:17:23,406 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-08 14:17:23,406 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-08 14:17:23,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:17:23,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:17:23,408 INFO L229 MonitoredProcess]: Starting monitored process 8 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 14:17:23,413 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2025-02-08 14:17:23,414 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-08 14:17:23,414 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-08 14:17:23,428 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-08 14:17:23,428 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~bitwise2#1=0} Honda state: {ULTIMATE.start_main_#t~bitwise2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-08 14:17:23,433 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2025-02-08 14:17:23,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:17:23,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:17:23,439 INFO L229 MonitoredProcess]: Starting monitored process 9 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 14:17:23,440 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2025-02-08 14:17:23,441 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-08 14:17:23,442 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-08 14:17:23,461 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2025-02-08 14:17:23,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:17:23,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:17:23,467 INFO L229 MonitoredProcess]: Starting monitored process 10 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 14:17:23,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2025-02-08 14:17:23,469 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-08 14:17:23,469 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-08 14:17:23,489 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-08 14:17:23,497 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2025-02-08 14:17:23,497 INFO L204 LassoAnalysis]: Preferences: [2025-02-08 14:17:23,497 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-08 14:17:23,497 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-08 14:17:23,498 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-08 14:17:23,498 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-08 14:17:23,498 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:17:23,498 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-08 14:17:23,498 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-08 14:17:23,498 INFO L132 ssoRankerPreferences]: Filename of dumped script: counting-bits-BK.i_Iteration2_Loop [2025-02-08 14:17:23,498 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-08 14:17:23,498 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-08 14:17:23,499 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:17:23,502 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:17:23,504 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:17:23,519 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:17:23,608 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-08 14:17:23,608 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-08 14:17:23,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:17:23,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:17:23,613 INFO L229 MonitoredProcess]: Starting monitored process 11 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 14:17:23,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2025-02-08 14:17:23,615 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 [2025-02-08 14:17:23,625 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:17:23,625 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:17:23,626 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:17:23,626 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:17:23,626 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:17:23,626 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:17:23,626 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:17:23,628 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:17:23,634 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2025-02-08 14:17:23,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:17:23,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:17:23,637 INFO L229 MonitoredProcess]: Starting monitored process 12 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 14:17:23,642 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2025-02-08 14:17:23,642 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 [2025-02-08 14:17:23,652 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:17:23,653 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:17:23,653 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:17:23,653 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:17:23,653 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:17:23,653 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:17:23,653 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:17:23,655 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:17:23,660 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2025-02-08 14:17:23,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:17:23,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:17:23,662 INFO L229 MonitoredProcess]: Starting monitored process 13 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 14:17:23,663 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2025-02-08 14:17:23,664 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 [2025-02-08 14:17:23,674 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:17:23,675 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:17:23,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:17:23,675 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2025-02-08 14:17:23,675 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:17:23,676 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2025-02-08 14:17:23,676 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:17:23,678 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-08 14:17:23,681 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2025-02-08 14:17:23,681 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2025-02-08 14:17:23,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:17:23,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:17:23,684 INFO L229 MonitoredProcess]: Starting monitored process 14 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 14:17:23,685 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2025-02-08 14:17:23,686 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-08 14:17:23,686 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-02-08 14:17:23,686 INFO L474 LassoAnalysis]: Proved termination. [2025-02-08 14:17:23,686 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(~v~0) = 2*~v~0 + 4294967295 Supporting invariants [] [2025-02-08 14:17:23,692 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2025-02-08 14:17:23,693 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-02-08 14:17:23,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:17:23,710 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-08 14:17:23,712 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-08 14:17:23,712 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:17:23,712 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:17:23,712 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-08 14:17:23,712 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 14:17:23,719 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-08 14:17:23,721 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-08 14:17:23,721 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:17:23,721 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:17:23,721 WARN L254 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-08 14:17:23,722 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 14:17:23,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 14:17:23,908 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2025-02-08 14:17:23,909 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 6 Second operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 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 14:17:23,958 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2025-02-08 14:17:23,991 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 6. Second operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 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 24 states and 32 transitions. Complement of second has 9 states. [2025-02-08 14:17:23,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2025-02-08 14:17:23,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 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 14:17:23,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 22 transitions. [2025-02-08 14:17:23,993 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 5 letters. Loop has 5 letters. [2025-02-08 14:17:23,993 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:17:23,993 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 10 letters. Loop has 5 letters. [2025-02-08 14:17:23,993 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:17:23,993 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 5 letters. Loop has 10 letters. [2025-02-08 14:17:23,993 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:17:23,993 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 32 transitions. [2025-02-08 14:17:23,994 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-08 14:17:23,994 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2025-02-08 14:17:23,994 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-02-08 14:17:23,994 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-02-08 14:17:23,994 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-02-08 14:17:23,994 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-08 14:17:23,994 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-08 14:17:23,994 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-08 14:17:23,994 INFO L432 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-08 14:17:23,994 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-02-08 14:17:23,994 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-02-08 14:17:23,994 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-08 14:17:23,994 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-02-08 14:17:24,000 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.02 02:17:24 BoogieIcfgContainer [2025-02-08 14:17:24,000 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-02-08 14:17:24,001 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 14:17:24,001 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 14:17:24,001 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 14:17:24,001 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:17:22" (3/4) ... [2025-02-08 14:17:24,003 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-08 14:17:24,003 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 14:17:24,004 INFO L158 Benchmark]: Toolchain (without parser) took 2057.91ms. Allocated memory is still 142.6MB. Free memory was 113.6MB in the beginning and 109.7MB in the end (delta: 3.9MB). Peak memory consumption was 1.2MB. Max. memory is 16.1GB. [2025-02-08 14:17:24,004 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 201.3MB. Free memory is still 122.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 14:17:24,004 INFO L158 Benchmark]: CACSL2BoogieTranslator took 139.61ms. Allocated memory is still 142.6MB. Free memory was 113.6MB in the beginning and 103.5MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 14:17:24,004 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.22ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 102.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 14:17:24,004 INFO L158 Benchmark]: Boogie Preprocessor took 19.43ms. Allocated memory is still 142.6MB. Free memory was 102.5MB in the beginning and 101.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 14:17:24,005 INFO L158 Benchmark]: IcfgBuilder took 200.50ms. Allocated memory is still 142.6MB. Free memory was 101.5MB in the beginning and 90.3MB in the end (delta: 11.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 14:17:24,005 INFO L158 Benchmark]: BuchiAutomizer took 1673.33ms. Allocated memory is still 142.6MB. Free memory was 90.3MB in the beginning and 109.8MB in the end (delta: -19.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 14:17:24,005 INFO L158 Benchmark]: Witness Printer took 2.48ms. Allocated memory is still 142.6MB. Free memory was 109.8MB in the beginning and 109.7MB in the end (delta: 24.1kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 14:17:24,006 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 201.3MB. Free memory is still 122.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 139.61ms. Allocated memory is still 142.6MB. Free memory was 113.6MB in the beginning and 103.5MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 18.22ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 102.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.43ms. Allocated memory is still 142.6MB. Free memory was 102.5MB in the beginning and 101.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 200.50ms. Allocated memory is still 142.6MB. Free memory was 101.5MB in the beginning and 90.3MB in the end (delta: 11.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 1673.33ms. Allocated memory is still 142.6MB. Free memory was 90.3MB in the beginning and 109.8MB in the end (delta: -19.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.48ms. Allocated memory is still 142.6MB. Free memory was 109.8MB in the beginning and 109.7MB in the end (delta: 24.1kB). 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 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function v and consists of 6 locations. One deterministic module has affine ranking function (((long) 2 * v) + 4294967295) and consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. 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 [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 23 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 21 mSDsluCounter, 26 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 35 IncrementalHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 16 mSDtfsCounter, 35 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital30 mio100 ax100 hnf100 lsp75 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq159 hnf93 smp100 dnf484 smp53 tf110 neg100 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 25ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 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! [2025-02-08 14:17:24,017 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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