./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.ufo.BOUNDED-6.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c00e63dc 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/seq-mthreaded/pals_floodmax.3.ufo.BOUNDED-6.pals.c -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 3f728e04159b75fd4f86d9e171d07387390897d2fdfdd24db8ac526a2f9d83e1 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 19:53:50,005 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 19:53:50,055 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-02-06 19:53:50,058 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 19:53:50,059 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 19:53:50,059 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-02-06 19:53:50,073 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 19:53:50,073 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 19:53:50,073 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 19:53:50,074 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 19:53:50,074 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 19:53:50,074 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 19:53:50,074 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 19:53:50,074 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 19:53:50,074 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-02-06 19:53:50,074 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-02-06 19:53:50,074 INFO L153 SettingsManager]: * Use old map elimination=false [2025-02-06 19:53:50,075 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-02-06 19:53:50,075 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-02-06 19:53:50,075 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-02-06 19:53:50,075 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 19:53:50,075 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-02-06 19:53:50,075 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 19:53:50,075 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 19:53:50,075 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 19:53:50,075 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 19:53:50,075 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-02-06 19:53:50,075 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-02-06 19:53:50,076 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-02-06 19:53:50,076 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 19:53:50,076 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 19:53:50,076 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 19:53:50,076 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-02-06 19:53:50,076 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 19:53:50,076 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 19:53:50,076 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 19:53:50,076 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 19:53:50,076 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 19:53:50,076 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 19:53:50,077 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-02-06 19:53:50,077 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 -> 3f728e04159b75fd4f86d9e171d07387390897d2fdfdd24db8ac526a2f9d83e1 [2025-02-06 19:53:50,299 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 19:53:50,304 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 19:53:50,310 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 19:53:50,311 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 19:53:50,311 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 19:53:50,312 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.ufo.BOUNDED-6.pals.c [2025-02-06 19:53:51,441 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5a47a4d3d/050bbeed557641b4a0ca84485ea7ca15/FLAG027be334e [2025-02-06 19:53:51,696 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 19:53:51,697 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.ufo.BOUNDED-6.pals.c [2025-02-06 19:53:51,707 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5a47a4d3d/050bbeed557641b4a0ca84485ea7ca15/FLAG027be334e [2025-02-06 19:53:51,722 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5a47a4d3d/050bbeed557641b4a0ca84485ea7ca15 [2025-02-06 19:53:51,724 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 19:53:51,726 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 19:53:51,727 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 19:53:51,727 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 19:53:51,732 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 19:53:51,732 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 07:53:51" (1/1) ... [2025-02-06 19:53:51,733 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bb036d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:53:51, skipping insertion in model container [2025-02-06 19:53:51,733 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 07:53:51" (1/1) ... [2025-02-06 19:53:51,749 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 19:53:51,883 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 19:53:51,891 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 19:53:51,928 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 19:53:51,939 INFO L204 MainTranslator]: Completed translation [2025-02-06 19:53:51,939 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:53:51 WrapperNode [2025-02-06 19:53:51,939 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 19:53:51,941 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 19:53:51,941 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 19:53:51,941 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 19:53:51,945 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:53:51" (1/1) ... [2025-02-06 19:53:51,954 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:53:51" (1/1) ... [2025-02-06 19:53:51,976 INFO L138 Inliner]: procedures = 21, calls = 14, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 430 [2025-02-06 19:53:51,976 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 19:53:51,977 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 19:53:51,977 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 19:53:51,977 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 19:53:51,985 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:53:51" (1/1) ... [2025-02-06 19:53:51,985 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:53:51" (1/1) ... [2025-02-06 19:53:51,987 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:53:51" (1/1) ... [2025-02-06 19:53:52,002 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]. [2025-02-06 19:53:52,002 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:53:51" (1/1) ... [2025-02-06 19:53:52,002 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:53:51" (1/1) ... [2025-02-06 19:53:52,008 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:53:51" (1/1) ... [2025-02-06 19:53:52,010 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:53:51" (1/1) ... [2025-02-06 19:53:52,012 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:53:51" (1/1) ... [2025-02-06 19:53:52,012 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:53:51" (1/1) ... [2025-02-06 19:53:52,014 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 19:53:52,015 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 19:53:52,015 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 19:53:52,015 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 19:53:52,016 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:53:51" (1/1) ... [2025-02-06 19:53:52,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:53:52,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:53:52,040 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) [2025-02-06 19:53:52,043 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 [2025-02-06 19:53:52,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 19:53:52,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 19:53:52,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 19:53:52,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 19:53:52,150 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 19:53:52,152 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 19:53:52,544 INFO L? ?]: Removed 43 outVars from TransFormulas that were not future-live. [2025-02-06 19:53:52,544 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 19:53:52,555 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 19:53:52,557 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 19:53:52,558 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:53:52 BoogieIcfgContainer [2025-02-06 19:53:52,558 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 19:53:52,558 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-02-06 19:53:52,559 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-02-06 19:53:52,562 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-02-06 19:53:52,563 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:53:52,563 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.02 07:53:51" (1/3) ... [2025-02-06 19:53:52,564 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7cbb052b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.02 07:53:52, skipping insertion in model container [2025-02-06 19:53:52,564 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:53:52,564 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:53:51" (2/3) ... [2025-02-06 19:53:52,564 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7cbb052b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.02 07:53:52, skipping insertion in model container [2025-02-06 19:53:52,564 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:53:52,564 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:53:52" (3/3) ... [2025-02-06 19:53:52,565 INFO L363 chiAutomizerObserver]: Analyzing ICFG pals_floodmax.3.ufo.BOUNDED-6.pals.c [2025-02-06 19:53:52,598 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-02-06 19:53:52,598 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-02-06 19:53:52,598 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-02-06 19:53:52,598 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-02-06 19:53:52,598 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-02-06 19:53:52,598 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-02-06 19:53:52,599 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-02-06 19:53:52,599 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-02-06 19:53:52,603 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 118 states, 117 states have (on average 1.7692307692307692) internal successors, (207), 117 states have internal predecessors, (207), 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) [2025-02-06 19:53:52,620 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 58 [2025-02-06 19:53:52,621 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:53:52,621 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:53:52,630 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:53:52,630 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:53:52,630 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-02-06 19:53:52,632 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 118 states, 117 states have (on average 1.7692307692307692) internal successors, (207), 117 states have internal predecessors, (207), 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) [2025-02-06 19:53:52,635 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 58 [2025-02-06 19:53:52,638 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:53:52,638 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:53:52,639 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:53:52,639 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:53:52,646 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(37, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~p12~0 := 0;~p12_old~0 := 0;~p12_new~0 := 0;~ep12~0 := 0;~p13~0 := 0;~p13_old~0 := 0;~p13_new~0 := 0;~ep13~0 := 0;~p21~0 := 0;~p21_old~0 := 0;~p21_new~0 := 0;~ep21~0 := 0;~p23~0 := 0;~p23_old~0 := 0;~p23_new~0 := 0;~ep23~0 := 0;~p31~0 := 0;~p31_old~0 := 0;~p31_new~0 := 0;~ep31~0 := 0;~p32~0 := 0;~p32_old~0 := 0;~p32_new~0 := 0;~ep32~0 := 0;~id1~0 := 0;~r1~0 := 0;~st1~0 := 0;~nl1~0 := 0;~m1~0 := 0;~max1~0 := 0;~mode1~0 := 0;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~ret31#1, main_#t~ret32#1, main_#t~post33#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;havoc main_#t~nondet4#1;assume 0 == main_#t~nondet4#1 || 1 == main_#t~nondet4#1;~ep12~0 := (if 0 == main_#t~nondet4#1 % 256 then 0 else 1);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;assume 0 == main_#t~nondet5#1 || 1 == main_#t~nondet5#1;~ep13~0 := (if 0 == main_#t~nondet5#1 % 256 then 0 else 1);havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;assume 0 == main_#t~nondet6#1 || 1 == main_#t~nondet6#1;~ep21~0 := (if 0 == main_#t~nondet6#1 % 256 then 0 else 1);havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;assume 0 == main_#t~nondet7#1 || 1 == main_#t~nondet7#1;~ep23~0 := (if 0 == main_#t~nondet7#1 % 256 then 0 else 1);havoc main_#t~nondet7#1;havoc main_#t~nondet8#1;assume 0 == main_#t~nondet8#1 || 1 == main_#t~nondet8#1;~ep31~0 := (if 0 == main_#t~nondet8#1 % 256 then 0 else 1);havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;assume 0 == main_#t~nondet9#1 || 1 == main_#t~nondet9#1;~ep32~0 := (if 0 == main_#t~nondet9#1 % 256 then 0 else 1);havoc main_#t~nondet9#1;havoc main_#t~nondet10#1;~id1~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;~r1~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;havoc main_#t~nondet12#1;~st1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;havoc main_#t~nondet13#1;~nl1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;havoc main_#t~nondet14#1;~m1~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;havoc main_#t~nondet15#1;~max1~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;havoc main_#t~nondet16#1;assume 0 == main_#t~nondet16#1 || 1 == main_#t~nondet16#1;~mode1~0 := (if 0 == main_#t~nondet16#1 % 256 then 0 else 1);havoc main_#t~nondet16#1;havoc main_#t~nondet17#1;~id2~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;havoc main_#t~nondet18#1;~r2~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;havoc main_#t~nondet19#1;~st2~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;havoc main_#t~nondet20#1;~nl2~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;havoc main_#t~nondet21#1;~m2~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;havoc main_#t~nondet22#1;~max2~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;havoc main_#t~nondet23#1;assume 0 == main_#t~nondet23#1 || 1 == main_#t~nondet23#1;~mode2~0 := (if 0 == main_#t~nondet23#1 % 256 then 0 else 1);havoc main_#t~nondet23#1;havoc main_#t~nondet24#1;~id3~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;havoc main_#t~nondet25#1;~r3~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;havoc main_#t~nondet26#1;~st3~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;havoc main_#t~nondet27#1;~nl3~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;havoc main_#t~nondet28#1;~m3~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;havoc main_#t~nondet29#1;~max3~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;havoc main_#t~nondet30#1;assume 0 == main_#t~nondet30#1 || 1 == main_#t~nondet30#1;~mode3~0 := (if 0 == main_#t~nondet30#1 % 256 then 0 else 1);havoc main_#t~nondet30#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r211~0#1, init_~r231~0#1, init_~r311~0#1, init_~r321~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r212~0#1, init_~tmp___1~0#1, init_~r232~0#1, init_~tmp___2~0#1, init_~r312~0#1, init_~tmp___3~0#1, init_~r322~0#1, init_~tmp___4~0#1, init_~tmp___5~0#1;havoc init_~r121~0#1;havoc init_~r131~0#1;havoc init_~r211~0#1;havoc init_~r231~0#1;havoc init_~r311~0#1;havoc init_~r321~0#1;havoc init_~r122~0#1;havoc init_~tmp~0#1;havoc init_~r132~0#1;havoc init_~tmp___0~0#1;havoc init_~r212~0#1;havoc init_~tmp___1~0#1;havoc init_~r232~0#1;havoc init_~tmp___2~0#1;havoc init_~r312~0#1;havoc init_~tmp___3~0#1;havoc init_~r322~0#1;havoc init_~tmp___4~0#1;havoc init_~tmp___5~0#1;init_~r121~0#1 := (if 0 == ~ep12~0 % 256 then 0 else 1);init_~r131~0#1 := (if 0 == ~ep13~0 % 256 then 0 else 1);init_~r211~0#1 := (if 0 == ~ep21~0 % 256 then 0 else 1);init_~r231~0#1 := (if 0 == ~ep23~0 % 256 then 0 else 1);init_~r311~0#1 := (if 0 == ~ep31~0 % 256 then 0 else 1);init_~r321~0#1 := (if 0 == ~ep32~0 % 256 then 0 else 1);" "assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1;" "init_~r122~0#1 := (if 0 == (if 0 == init_~tmp~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1;" "init_~r132~0#1 := (if 0 == (if 0 == init_~tmp___0~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r211~0#1 % 256;init_~tmp___1~0#1 := 1;" "init_~r212~0#1 := (if 0 == (if 0 == init_~tmp___1~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r231~0#1 % 256;init_~tmp___2~0#1 := 1;" "init_~r232~0#1 := (if 0 == (if 0 == init_~tmp___2~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r311~0#1 % 256;init_~tmp___3~0#1 := 1;" "init_~r312~0#1 := (if 0 == (if 0 == init_~tmp___3~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r321~0#1 % 256;init_~tmp___4~0#1 := 1;" "init_~r322~0#1 := (if 0 == (if 0 == init_~tmp___4~0#1 then 0 else 1) % 256 then 0 else 1);" "assume !(~id1~0 != ~id2~0);init_~tmp___5~0#1 := 0;" "init_#res#1 := init_~tmp___5~0#1;" "main_#t~ret31#1 := init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r211~0#1, init_~r231~0#1, init_~r311~0#1, init_~r321~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r212~0#1, init_~tmp___1~0#1, init_~r232~0#1, init_~tmp___2~0#1, init_~r312~0#1, init_~tmp___3~0#1, init_~r322~0#1, init_~tmp___4~0#1, init_~tmp___5~0#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret31#1;havoc main_#t~ret31#1;" "assume !(0 == main_~i2~0#1);" "~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;main_~i2~0#1 := 0;" [2025-02-06 19:53:52,647 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i2~0#1 < 6;assume { :begin_inline_node1 } true;" "assume !(0 != ~mode1~0 % 256);" "assume !(~r1~0 < 2);" "~mode1~0 := 1;" "assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;" "assume !(0 != ~mode2~0 % 256);" "assume !(~r2~0 < 2);" "~mode2~0 := 1;" "assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;" "assume !(0 != ~mode3~0 % 256);" "assume !(~r3~0 < 2);" "~mode3~0 := 1;" "assume { :end_inline_node3 } true;~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1;" "assume !(~st1~0 + ~st2~0 + ~st3~0 <= 1);check_~tmp~1#1 := 0;" "check_#res#1 := check_~tmp~1#1;" "main_#t~ret32#1 := check_#res#1;havoc check_~tmp~1#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret32#1;havoc main_#t~ret32#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1;" "assume !(0 == assert_~arg#1 % 256);" "havoc assert_~arg#1;havoc assert_#in~arg#1;assume { :end_inline_assert } true;main_#t~post33#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post33#1;havoc main_#t~post33#1;" [2025-02-06 19:53:52,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:53:52,654 INFO L85 PathProgramCache]: Analyzing trace with hash -794143445, now seen corresponding path program 1 times [2025-02-06 19:53:52,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:53:52,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635044128] [2025-02-06 19:53:52,660 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:53:52,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:53:52,723 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-02-06 19:53:52,789 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-02-06 19:53:52,790 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:53:52,791 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:53:53,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:53:53,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:53:53,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635044128] [2025-02-06 19:53:53,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635044128] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:53:53,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:53:53,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 19:53:53,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948637702] [2025-02-06 19:53:53,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:53:53,047 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-02-06 19:53:53,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:53:53,048 INFO L85 PathProgramCache]: Analyzing trace with hash -874144572, now seen corresponding path program 1 times [2025-02-06 19:53:53,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:53:53,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113066823] [2025-02-06 19:53:53,049 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:53:53,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:53:53,072 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-02-06 19:53:53,085 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-02-06 19:53:53,086 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:53:53,086 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:53:53,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:53:53,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:53:53,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113066823] [2025-02-06 19:53:53,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113066823] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:53:53,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:53:53,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 19:53:53,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514035640] [2025-02-06 19:53:53,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:53:53,248 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-02-06 19:53:53,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:53:53,269 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 19:53:53,270 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 19:53:53,273 INFO L87 Difference]: Start difference. First operand has 118 states, 117 states have (on average 1.7692307692307692) internal successors, (207), 117 states have internal predecessors, (207), 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 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:53:53,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:53:53,321 INFO L93 Difference]: Finished difference Result 120 states and 207 transitions. [2025-02-06 19:53:53,322 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 120 states and 207 transitions. [2025-02-06 19:53:53,324 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 56 [2025-02-06 19:53:53,330 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 120 states to 113 states and 192 transitions. [2025-02-06 19:53:53,331 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 113 [2025-02-06 19:53:53,332 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 113 [2025-02-06 19:53:53,332 INFO L73 IsDeterministic]: Start isDeterministic. Operand 113 states and 192 transitions. [2025-02-06 19:53:53,332 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:53:53,333 INFO L218 hiAutomatonCegarLoop]: Abstraction has 113 states and 192 transitions. [2025-02-06 19:53:53,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states and 192 transitions. [2025-02-06 19:53:53,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2025-02-06 19:53:53,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 113 states have (on average 1.6991150442477876) internal successors, (192), 112 states have internal predecessors, (192), 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) [2025-02-06 19:53:53,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 192 transitions. [2025-02-06 19:53:53,352 INFO L240 hiAutomatonCegarLoop]: Abstraction has 113 states and 192 transitions. [2025-02-06 19:53:53,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 19:53:53,355 INFO L432 stractBuchiCegarLoop]: Abstraction has 113 states and 192 transitions. [2025-02-06 19:53:53,355 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-02-06 19:53:53,355 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 113 states and 192 transitions. [2025-02-06 19:53:53,356 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 56 [2025-02-06 19:53:53,357 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:53:53,357 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:53:53,357 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:53:53,357 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:53:53,357 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(37, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~p12~0 := 0;~p12_old~0 := 0;~p12_new~0 := 0;~ep12~0 := 0;~p13~0 := 0;~p13_old~0 := 0;~p13_new~0 := 0;~ep13~0 := 0;~p21~0 := 0;~p21_old~0 := 0;~p21_new~0 := 0;~ep21~0 := 0;~p23~0 := 0;~p23_old~0 := 0;~p23_new~0 := 0;~ep23~0 := 0;~p31~0 := 0;~p31_old~0 := 0;~p31_new~0 := 0;~ep31~0 := 0;~p32~0 := 0;~p32_old~0 := 0;~p32_new~0 := 0;~ep32~0 := 0;~id1~0 := 0;~r1~0 := 0;~st1~0 := 0;~nl1~0 := 0;~m1~0 := 0;~max1~0 := 0;~mode1~0 := 0;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~ret31#1, main_#t~ret32#1, main_#t~post33#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;havoc main_#t~nondet4#1;assume 0 == main_#t~nondet4#1 || 1 == main_#t~nondet4#1;~ep12~0 := (if 0 == main_#t~nondet4#1 % 256 then 0 else 1);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;assume 0 == main_#t~nondet5#1 || 1 == main_#t~nondet5#1;~ep13~0 := (if 0 == main_#t~nondet5#1 % 256 then 0 else 1);havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;assume 0 == main_#t~nondet6#1 || 1 == main_#t~nondet6#1;~ep21~0 := (if 0 == main_#t~nondet6#1 % 256 then 0 else 1);havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;assume 0 == main_#t~nondet7#1 || 1 == main_#t~nondet7#1;~ep23~0 := (if 0 == main_#t~nondet7#1 % 256 then 0 else 1);havoc main_#t~nondet7#1;havoc main_#t~nondet8#1;assume 0 == main_#t~nondet8#1 || 1 == main_#t~nondet8#1;~ep31~0 := (if 0 == main_#t~nondet8#1 % 256 then 0 else 1);havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;assume 0 == main_#t~nondet9#1 || 1 == main_#t~nondet9#1;~ep32~0 := (if 0 == main_#t~nondet9#1 % 256 then 0 else 1);havoc main_#t~nondet9#1;havoc main_#t~nondet10#1;~id1~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;~r1~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;havoc main_#t~nondet12#1;~st1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;havoc main_#t~nondet13#1;~nl1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;havoc main_#t~nondet14#1;~m1~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;havoc main_#t~nondet15#1;~max1~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;havoc main_#t~nondet16#1;assume 0 == main_#t~nondet16#1 || 1 == main_#t~nondet16#1;~mode1~0 := (if 0 == main_#t~nondet16#1 % 256 then 0 else 1);havoc main_#t~nondet16#1;havoc main_#t~nondet17#1;~id2~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;havoc main_#t~nondet18#1;~r2~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;havoc main_#t~nondet19#1;~st2~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;havoc main_#t~nondet20#1;~nl2~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;havoc main_#t~nondet21#1;~m2~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;havoc main_#t~nondet22#1;~max2~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;havoc main_#t~nondet23#1;assume 0 == main_#t~nondet23#1 || 1 == main_#t~nondet23#1;~mode2~0 := (if 0 == main_#t~nondet23#1 % 256 then 0 else 1);havoc main_#t~nondet23#1;havoc main_#t~nondet24#1;~id3~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;havoc main_#t~nondet25#1;~r3~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;havoc main_#t~nondet26#1;~st3~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;havoc main_#t~nondet27#1;~nl3~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;havoc main_#t~nondet28#1;~m3~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;havoc main_#t~nondet29#1;~max3~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;havoc main_#t~nondet30#1;assume 0 == main_#t~nondet30#1 || 1 == main_#t~nondet30#1;~mode3~0 := (if 0 == main_#t~nondet30#1 % 256 then 0 else 1);havoc main_#t~nondet30#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r211~0#1, init_~r231~0#1, init_~r311~0#1, init_~r321~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r212~0#1, init_~tmp___1~0#1, init_~r232~0#1, init_~tmp___2~0#1, init_~r312~0#1, init_~tmp___3~0#1, init_~r322~0#1, init_~tmp___4~0#1, init_~tmp___5~0#1;havoc init_~r121~0#1;havoc init_~r131~0#1;havoc init_~r211~0#1;havoc init_~r231~0#1;havoc init_~r311~0#1;havoc init_~r321~0#1;havoc init_~r122~0#1;havoc init_~tmp~0#1;havoc init_~r132~0#1;havoc init_~tmp___0~0#1;havoc init_~r212~0#1;havoc init_~tmp___1~0#1;havoc init_~r232~0#1;havoc init_~tmp___2~0#1;havoc init_~r312~0#1;havoc init_~tmp___3~0#1;havoc init_~r322~0#1;havoc init_~tmp___4~0#1;havoc init_~tmp___5~0#1;init_~r121~0#1 := (if 0 == ~ep12~0 % 256 then 0 else 1);init_~r131~0#1 := (if 0 == ~ep13~0 % 256 then 0 else 1);init_~r211~0#1 := (if 0 == ~ep21~0 % 256 then 0 else 1);init_~r231~0#1 := (if 0 == ~ep23~0 % 256 then 0 else 1);init_~r311~0#1 := (if 0 == ~ep31~0 % 256 then 0 else 1);init_~r321~0#1 := (if 0 == ~ep32~0 % 256 then 0 else 1);" "assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1;" "init_~r122~0#1 := (if 0 == (if 0 == init_~tmp~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1;" "init_~r132~0#1 := (if 0 == (if 0 == init_~tmp___0~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r211~0#1 % 256;init_~tmp___1~0#1 := 1;" "init_~r212~0#1 := (if 0 == (if 0 == init_~tmp___1~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r231~0#1 % 256;init_~tmp___2~0#1 := 1;" "init_~r232~0#1 := (if 0 == (if 0 == init_~tmp___2~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r311~0#1 % 256;init_~tmp___3~0#1 := 1;" "init_~r312~0#1 := (if 0 == (if 0 == init_~tmp___3~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r321~0#1 % 256;init_~tmp___4~0#1 := 1;" "init_~r322~0#1 := (if 0 == (if 0 == init_~tmp___4~0#1 then 0 else 1) % 256 then 0 else 1);" "assume !(~id1~0 != ~id2~0);init_~tmp___5~0#1 := 0;" "init_#res#1 := init_~tmp___5~0#1;" "main_#t~ret31#1 := init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r211~0#1, init_~r231~0#1, init_~r311~0#1, init_~r321~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r212~0#1, init_~tmp___1~0#1, init_~r232~0#1, init_~tmp___2~0#1, init_~r312~0#1, init_~tmp___3~0#1, init_~r322~0#1, init_~tmp___4~0#1, init_~tmp___5~0#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret31#1;havoc main_#t~ret31#1;" "assume !(0 == main_~i2~0#1);" "~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;main_~i2~0#1 := 0;" [2025-02-06 19:53:53,358 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i2~0#1 < 6;assume { :begin_inline_node1 } true;" "assume !(0 != ~mode1~0 % 256);" "assume !(~r1~0 < 2);" "~mode1~0 := 1;" "assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;" "assume !(0 != ~mode2~0 % 256);" "assume !(~r2~0 < 2);" "~mode2~0 := 1;" "assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;" "assume !(0 != ~mode3~0 % 256);" "assume !(~r3~0 < 2);" "~mode3~0 := 1;" "assume { :end_inline_node3 } true;~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1;" "assume ~st1~0 + ~st2~0 + ~st3~0 <= 1;" "assume ~st1~0 + ~nl1~0 <= 1;" "assume ~st2~0 + ~nl2~0 <= 1;" "assume ~st3~0 + ~nl3~0 <= 1;" "assume ~r1~0 >= 2;" "assume ~r1~0 < 2;" "assume ~r1~0 >= 2;" "assume ~r1~0 < 2;check_~tmp~1#1 := 1;" "check_#res#1 := check_~tmp~1#1;" "main_#t~ret32#1 := check_#res#1;havoc check_~tmp~1#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret32#1;havoc main_#t~ret32#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1;" "assume !(0 == assert_~arg#1 % 256);" "havoc assert_~arg#1;havoc assert_#in~arg#1;assume { :end_inline_assert } true;main_#t~post33#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post33#1;havoc main_#t~post33#1;" [2025-02-06 19:53:53,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:53:53,358 INFO L85 PathProgramCache]: Analyzing trace with hash -794143445, now seen corresponding path program 2 times [2025-02-06 19:53:53,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:53:53,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917883527] [2025-02-06 19:53:53,358 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 19:53:53,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:53:53,370 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 19 statements into 1 equivalence classes. [2025-02-06 19:53:53,382 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-02-06 19:53:53,382 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 19:53:53,382 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:53:53,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:53:53,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:53:53,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917883527] [2025-02-06 19:53:53,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917883527] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:53:53,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:53:53,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 19:53:53,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246641574] [2025-02-06 19:53:53,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:53:53,461 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-02-06 19:53:53,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:53:53,461 INFO L85 PathProgramCache]: Analyzing trace with hash 1230281990, now seen corresponding path program 1 times [2025-02-06 19:53:53,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:53:53,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450098046] [2025-02-06 19:53:53,461 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:53:53,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:53:53,465 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-02-06 19:53:53,467 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-02-06 19:53:53,468 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:53:53,468 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:53:53,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:53:53,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:53:53,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450098046] [2025-02-06 19:53:53,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450098046] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:53:53,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:53:53,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 19:53:53,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562987625] [2025-02-06 19:53:53,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:53:53,487 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-02-06 19:53:53,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:53:53,487 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 19:53:53,487 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 19:53:53,488 INFO L87 Difference]: Start difference. First operand 113 states and 192 transitions. cyclomatic complexity: 80 Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 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) [2025-02-06 19:53:53,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:53:53,550 INFO L93 Difference]: Finished difference Result 172 states and 284 transitions. [2025-02-06 19:53:53,550 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 172 states and 284 transitions. [2025-02-06 19:53:53,553 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 56 [2025-02-06 19:53:53,554 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 172 states to 169 states and 255 transitions. [2025-02-06 19:53:53,554 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 169 [2025-02-06 19:53:53,554 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 169 [2025-02-06 19:53:53,554 INFO L73 IsDeterministic]: Start isDeterministic. Operand 169 states and 255 transitions. [2025-02-06 19:53:53,556 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:53:53,557 INFO L218 hiAutomatonCegarLoop]: Abstraction has 169 states and 255 transitions. [2025-02-06 19:53:53,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states and 255 transitions. [2025-02-06 19:53:53,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 113. [2025-02-06 19:53:53,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 113 states have (on average 1.4601769911504425) internal successors, (165), 112 states have internal predecessors, (165), 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) [2025-02-06 19:53:53,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 165 transitions. [2025-02-06 19:53:53,563 INFO L240 hiAutomatonCegarLoop]: Abstraction has 113 states and 165 transitions. [2025-02-06 19:53:53,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 19:53:53,564 INFO L432 stractBuchiCegarLoop]: Abstraction has 113 states and 165 transitions. [2025-02-06 19:53:53,564 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-02-06 19:53:53,564 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 113 states and 165 transitions. [2025-02-06 19:53:53,565 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 56 [2025-02-06 19:53:53,565 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:53:53,565 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:53:53,565 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:53:53,566 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:53:53,566 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(37, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~p12~0 := 0;~p12_old~0 := 0;~p12_new~0 := 0;~ep12~0 := 0;~p13~0 := 0;~p13_old~0 := 0;~p13_new~0 := 0;~ep13~0 := 0;~p21~0 := 0;~p21_old~0 := 0;~p21_new~0 := 0;~ep21~0 := 0;~p23~0 := 0;~p23_old~0 := 0;~p23_new~0 := 0;~ep23~0 := 0;~p31~0 := 0;~p31_old~0 := 0;~p31_new~0 := 0;~ep31~0 := 0;~p32~0 := 0;~p32_old~0 := 0;~p32_new~0 := 0;~ep32~0 := 0;~id1~0 := 0;~r1~0 := 0;~st1~0 := 0;~nl1~0 := 0;~m1~0 := 0;~max1~0 := 0;~mode1~0 := 0;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~ret31#1, main_#t~ret32#1, main_#t~post33#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;havoc main_#t~nondet4#1;assume 0 == main_#t~nondet4#1 || 1 == main_#t~nondet4#1;~ep12~0 := (if 0 == main_#t~nondet4#1 % 256 then 0 else 1);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;assume 0 == main_#t~nondet5#1 || 1 == main_#t~nondet5#1;~ep13~0 := (if 0 == main_#t~nondet5#1 % 256 then 0 else 1);havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;assume 0 == main_#t~nondet6#1 || 1 == main_#t~nondet6#1;~ep21~0 := (if 0 == main_#t~nondet6#1 % 256 then 0 else 1);havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;assume 0 == main_#t~nondet7#1 || 1 == main_#t~nondet7#1;~ep23~0 := (if 0 == main_#t~nondet7#1 % 256 then 0 else 1);havoc main_#t~nondet7#1;havoc main_#t~nondet8#1;assume 0 == main_#t~nondet8#1 || 1 == main_#t~nondet8#1;~ep31~0 := (if 0 == main_#t~nondet8#1 % 256 then 0 else 1);havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;assume 0 == main_#t~nondet9#1 || 1 == main_#t~nondet9#1;~ep32~0 := (if 0 == main_#t~nondet9#1 % 256 then 0 else 1);havoc main_#t~nondet9#1;havoc main_#t~nondet10#1;~id1~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;~r1~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;havoc main_#t~nondet12#1;~st1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;havoc main_#t~nondet13#1;~nl1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;havoc main_#t~nondet14#1;~m1~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;havoc main_#t~nondet15#1;~max1~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;havoc main_#t~nondet16#1;assume 0 == main_#t~nondet16#1 || 1 == main_#t~nondet16#1;~mode1~0 := (if 0 == main_#t~nondet16#1 % 256 then 0 else 1);havoc main_#t~nondet16#1;havoc main_#t~nondet17#1;~id2~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;havoc main_#t~nondet18#1;~r2~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;havoc main_#t~nondet19#1;~st2~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;havoc main_#t~nondet20#1;~nl2~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;havoc main_#t~nondet21#1;~m2~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;havoc main_#t~nondet22#1;~max2~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;havoc main_#t~nondet23#1;assume 0 == main_#t~nondet23#1 || 1 == main_#t~nondet23#1;~mode2~0 := (if 0 == main_#t~nondet23#1 % 256 then 0 else 1);havoc main_#t~nondet23#1;havoc main_#t~nondet24#1;~id3~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;havoc main_#t~nondet25#1;~r3~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;havoc main_#t~nondet26#1;~st3~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;havoc main_#t~nondet27#1;~nl3~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;havoc main_#t~nondet28#1;~m3~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;havoc main_#t~nondet29#1;~max3~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;havoc main_#t~nondet30#1;assume 0 == main_#t~nondet30#1 || 1 == main_#t~nondet30#1;~mode3~0 := (if 0 == main_#t~nondet30#1 % 256 then 0 else 1);havoc main_#t~nondet30#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r211~0#1, init_~r231~0#1, init_~r311~0#1, init_~r321~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r212~0#1, init_~tmp___1~0#1, init_~r232~0#1, init_~tmp___2~0#1, init_~r312~0#1, init_~tmp___3~0#1, init_~r322~0#1, init_~tmp___4~0#1, init_~tmp___5~0#1;havoc init_~r121~0#1;havoc init_~r131~0#1;havoc init_~r211~0#1;havoc init_~r231~0#1;havoc init_~r311~0#1;havoc init_~r321~0#1;havoc init_~r122~0#1;havoc init_~tmp~0#1;havoc init_~r132~0#1;havoc init_~tmp___0~0#1;havoc init_~r212~0#1;havoc init_~tmp___1~0#1;havoc init_~r232~0#1;havoc init_~tmp___2~0#1;havoc init_~r312~0#1;havoc init_~tmp___3~0#1;havoc init_~r322~0#1;havoc init_~tmp___4~0#1;havoc init_~tmp___5~0#1;init_~r121~0#1 := (if 0 == ~ep12~0 % 256 then 0 else 1);init_~r131~0#1 := (if 0 == ~ep13~0 % 256 then 0 else 1);init_~r211~0#1 := (if 0 == ~ep21~0 % 256 then 0 else 1);init_~r231~0#1 := (if 0 == ~ep23~0 % 256 then 0 else 1);init_~r311~0#1 := (if 0 == ~ep31~0 % 256 then 0 else 1);init_~r321~0#1 := (if 0 == ~ep32~0 % 256 then 0 else 1);" "assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1;" "init_~r122~0#1 := (if 0 == (if 0 == init_~tmp~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1;" "init_~r132~0#1 := (if 0 == (if 0 == init_~tmp___0~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r211~0#1 % 256;init_~tmp___1~0#1 := 1;" "init_~r212~0#1 := (if 0 == (if 0 == init_~tmp___1~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r231~0#1 % 256;init_~tmp___2~0#1 := 1;" "init_~r232~0#1 := (if 0 == (if 0 == init_~tmp___2~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r311~0#1 % 256;init_~tmp___3~0#1 := 1;" "init_~r312~0#1 := (if 0 == (if 0 == init_~tmp___3~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r321~0#1 % 256;init_~tmp___4~0#1 := 1;" "init_~r322~0#1 := (if 0 == (if 0 == init_~tmp___4~0#1 then 0 else 1) % 256 then 0 else 1);" "assume ~id1~0 != ~id2~0;" "assume ~id1~0 != ~id3~0;" "assume ~id2~0 != ~id3~0;" "assume ~id1~0 >= 0;" "assume ~id2~0 >= 0;" "assume ~id3~0 >= 0;" "assume 0 == ~r1~0;" "assume 0 == ~r2~0;" "assume 0 == ~r3~0;" "assume 0 != init_~r122~0#1 % 256;" "assume 0 != init_~r132~0#1 % 256;" "assume 0 != init_~r212~0#1 % 256;" "assume 0 != init_~r232~0#1 % 256;" "assume 0 != init_~r312~0#1 % 256;" "assume 0 != init_~r322~0#1 % 256;" "assume ~max1~0 == ~id1~0;" "assume ~max2~0 == ~id2~0;" "assume ~max3~0 == ~id3~0;" "assume 0 == ~st1~0;" "assume 0 == ~st2~0;" "assume 0 == ~st3~0;" "assume 0 == ~nl1~0;" "assume 0 == ~nl2~0;" "assume 0 == ~nl3~0;" "assume 0 == (if ~mode1~0 % 256 % 4294967296 <= 2147483647 then ~mode1~0 % 256 % 4294967296 else ~mode1~0 % 256 % 4294967296 - 4294967296);" "assume 0 == (if ~mode2~0 % 256 % 4294967296 <= 2147483647 then ~mode2~0 % 256 % 4294967296 else ~mode2~0 % 256 % 4294967296 - 4294967296);" "assume 0 == (if ~mode3~0 % 256 % 4294967296 <= 2147483647 then ~mode3~0 % 256 % 4294967296 else ~mode3~0 % 256 % 4294967296 - 4294967296);init_~tmp___5~0#1 := 1;" "init_#res#1 := init_~tmp___5~0#1;" "main_#t~ret31#1 := init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r211~0#1, init_~r231~0#1, init_~r311~0#1, init_~r321~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r212~0#1, init_~tmp___1~0#1, init_~r232~0#1, init_~tmp___2~0#1, init_~r312~0#1, init_~tmp___3~0#1, init_~r322~0#1, init_~tmp___4~0#1, init_~tmp___5~0#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret31#1;havoc main_#t~ret31#1;" "assume !(0 == main_~i2~0#1);" "~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;main_~i2~0#1 := 0;" [2025-02-06 19:53:53,569 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i2~0#1 < 6;assume { :begin_inline_node1 } true;" "assume !(0 != ~mode1~0 % 256);" "assume !(~r1~0 < 2);" "~mode1~0 := 1;" "assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;" "assume !(0 != ~mode2~0 % 256);" "assume !(~r2~0 < 2);" "~mode2~0 := 1;" "assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;" "assume !(0 != ~mode3~0 % 256);" "assume !(~r3~0 < 2);" "~mode3~0 := 1;" "assume { :end_inline_node3 } true;~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1;" "assume ~st1~0 + ~st2~0 + ~st3~0 <= 1;" "assume ~st1~0 + ~nl1~0 <= 1;" "assume ~st2~0 + ~nl2~0 <= 1;" "assume ~st3~0 + ~nl3~0 <= 1;" "assume ~r1~0 >= 2;" "assume ~r1~0 < 2;" "assume ~r1~0 >= 2;" "assume ~r1~0 < 2;check_~tmp~1#1 := 1;" "check_#res#1 := check_~tmp~1#1;" "main_#t~ret32#1 := check_#res#1;havoc check_~tmp~1#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret32#1;havoc main_#t~ret32#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1;" "assume !(0 == assert_~arg#1 % 256);" "havoc assert_~arg#1;havoc assert_#in~arg#1;assume { :end_inline_assert } true;main_#t~post33#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post33#1;havoc main_#t~post33#1;" [2025-02-06 19:53:53,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:53:53,569 INFO L85 PathProgramCache]: Analyzing trace with hash -509657327, now seen corresponding path program 1 times [2025-02-06 19:53:53,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:53:53,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760640837] [2025-02-06 19:53:53,569 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:53:53,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:53:53,579 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-06 19:53:53,639 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-06 19:53:53,639 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:53:53,639 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:53:53,639 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:53:53,644 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-06 19:53:53,721 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-06 19:53:53,723 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:53:53,723 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:53:53,754 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:53:53,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:53:53,755 INFO L85 PathProgramCache]: Analyzing trace with hash 1230281990, now seen corresponding path program 2 times [2025-02-06 19:53:53,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:53:53,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596970284] [2025-02-06 19:53:53,756 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 19:53:53,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:53:53,762 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 25 statements into 1 equivalence classes. [2025-02-06 19:53:53,766 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-02-06 19:53:53,766 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 19:53:53,766 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:53:53,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:53:53,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:53:53,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596970284] [2025-02-06 19:53:53,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596970284] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:53:53,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:53:53,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 19:53:53,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772378530] [2025-02-06 19:53:53,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:53:53,783 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-02-06 19:53:53,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:53:53,783 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 19:53:53,784 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 19:53:53,784 INFO L87 Difference]: Start difference. First operand 113 states and 165 transitions. cyclomatic complexity: 53 Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:53:53,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:53:53,825 INFO L93 Difference]: Finished difference Result 157 states and 230 transitions. [2025-02-06 19:53:53,825 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 157 states and 230 transitions. [2025-02-06 19:53:53,826 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 100 [2025-02-06 19:53:53,827 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 157 states to 157 states and 230 transitions. [2025-02-06 19:53:53,827 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 157 [2025-02-06 19:53:53,827 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 157 [2025-02-06 19:53:53,827 INFO L73 IsDeterministic]: Start isDeterministic. Operand 157 states and 230 transitions. [2025-02-06 19:53:53,828 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:53:53,828 INFO L218 hiAutomatonCegarLoop]: Abstraction has 157 states and 230 transitions. [2025-02-06 19:53:53,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states and 230 transitions. [2025-02-06 19:53:53,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2025-02-06 19:53:53,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 157 states have (on average 1.464968152866242) internal successors, (230), 156 states have internal predecessors, (230), 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) [2025-02-06 19:53:53,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 230 transitions. [2025-02-06 19:53:53,834 INFO L240 hiAutomatonCegarLoop]: Abstraction has 157 states and 230 transitions. [2025-02-06 19:53:53,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 19:53:53,835 INFO L432 stractBuchiCegarLoop]: Abstraction has 157 states and 230 transitions. [2025-02-06 19:53:53,835 INFO L338 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2025-02-06 19:53:53,835 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 157 states and 230 transitions. [2025-02-06 19:53:53,836 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 100 [2025-02-06 19:53:53,836 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:53:53,836 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:53:53,838 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:53:53,839 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:53:53,840 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(37, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~p12~0 := 0;~p12_old~0 := 0;~p12_new~0 := 0;~ep12~0 := 0;~p13~0 := 0;~p13_old~0 := 0;~p13_new~0 := 0;~ep13~0 := 0;~p21~0 := 0;~p21_old~0 := 0;~p21_new~0 := 0;~ep21~0 := 0;~p23~0 := 0;~p23_old~0 := 0;~p23_new~0 := 0;~ep23~0 := 0;~p31~0 := 0;~p31_old~0 := 0;~p31_new~0 := 0;~ep31~0 := 0;~p32~0 := 0;~p32_old~0 := 0;~p32_new~0 := 0;~ep32~0 := 0;~id1~0 := 0;~r1~0 := 0;~st1~0 := 0;~nl1~0 := 0;~m1~0 := 0;~max1~0 := 0;~mode1~0 := 0;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~ret31#1, main_#t~ret32#1, main_#t~post33#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;havoc main_#t~nondet4#1;assume 0 == main_#t~nondet4#1 || 1 == main_#t~nondet4#1;~ep12~0 := (if 0 == main_#t~nondet4#1 % 256 then 0 else 1);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;assume 0 == main_#t~nondet5#1 || 1 == main_#t~nondet5#1;~ep13~0 := (if 0 == main_#t~nondet5#1 % 256 then 0 else 1);havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;assume 0 == main_#t~nondet6#1 || 1 == main_#t~nondet6#1;~ep21~0 := (if 0 == main_#t~nondet6#1 % 256 then 0 else 1);havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;assume 0 == main_#t~nondet7#1 || 1 == main_#t~nondet7#1;~ep23~0 := (if 0 == main_#t~nondet7#1 % 256 then 0 else 1);havoc main_#t~nondet7#1;havoc main_#t~nondet8#1;assume 0 == main_#t~nondet8#1 || 1 == main_#t~nondet8#1;~ep31~0 := (if 0 == main_#t~nondet8#1 % 256 then 0 else 1);havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;assume 0 == main_#t~nondet9#1 || 1 == main_#t~nondet9#1;~ep32~0 := (if 0 == main_#t~nondet9#1 % 256 then 0 else 1);havoc main_#t~nondet9#1;havoc main_#t~nondet10#1;~id1~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;~r1~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;havoc main_#t~nondet12#1;~st1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;havoc main_#t~nondet13#1;~nl1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;havoc main_#t~nondet14#1;~m1~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;havoc main_#t~nondet15#1;~max1~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;havoc main_#t~nondet16#1;assume 0 == main_#t~nondet16#1 || 1 == main_#t~nondet16#1;~mode1~0 := (if 0 == main_#t~nondet16#1 % 256 then 0 else 1);havoc main_#t~nondet16#1;havoc main_#t~nondet17#1;~id2~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;havoc main_#t~nondet18#1;~r2~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;havoc main_#t~nondet19#1;~st2~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;havoc main_#t~nondet20#1;~nl2~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;havoc main_#t~nondet21#1;~m2~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;havoc main_#t~nondet22#1;~max2~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;havoc main_#t~nondet23#1;assume 0 == main_#t~nondet23#1 || 1 == main_#t~nondet23#1;~mode2~0 := (if 0 == main_#t~nondet23#1 % 256 then 0 else 1);havoc main_#t~nondet23#1;havoc main_#t~nondet24#1;~id3~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;havoc main_#t~nondet25#1;~r3~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;havoc main_#t~nondet26#1;~st3~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;havoc main_#t~nondet27#1;~nl3~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;havoc main_#t~nondet28#1;~m3~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;havoc main_#t~nondet29#1;~max3~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;havoc main_#t~nondet30#1;assume 0 == main_#t~nondet30#1 || 1 == main_#t~nondet30#1;~mode3~0 := (if 0 == main_#t~nondet30#1 % 256 then 0 else 1);havoc main_#t~nondet30#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r211~0#1, init_~r231~0#1, init_~r311~0#1, init_~r321~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r212~0#1, init_~tmp___1~0#1, init_~r232~0#1, init_~tmp___2~0#1, init_~r312~0#1, init_~tmp___3~0#1, init_~r322~0#1, init_~tmp___4~0#1, init_~tmp___5~0#1;havoc init_~r121~0#1;havoc init_~r131~0#1;havoc init_~r211~0#1;havoc init_~r231~0#1;havoc init_~r311~0#1;havoc init_~r321~0#1;havoc init_~r122~0#1;havoc init_~tmp~0#1;havoc init_~r132~0#1;havoc init_~tmp___0~0#1;havoc init_~r212~0#1;havoc init_~tmp___1~0#1;havoc init_~r232~0#1;havoc init_~tmp___2~0#1;havoc init_~r312~0#1;havoc init_~tmp___3~0#1;havoc init_~r322~0#1;havoc init_~tmp___4~0#1;havoc init_~tmp___5~0#1;init_~r121~0#1 := (if 0 == ~ep12~0 % 256 then 0 else 1);init_~r131~0#1 := (if 0 == ~ep13~0 % 256 then 0 else 1);init_~r211~0#1 := (if 0 == ~ep21~0 % 256 then 0 else 1);init_~r231~0#1 := (if 0 == ~ep23~0 % 256 then 0 else 1);init_~r311~0#1 := (if 0 == ~ep31~0 % 256 then 0 else 1);init_~r321~0#1 := (if 0 == ~ep32~0 % 256 then 0 else 1);" "assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1;" "init_~r122~0#1 := (if 0 == (if 0 == init_~tmp~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1;" "init_~r132~0#1 := (if 0 == (if 0 == init_~tmp___0~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r211~0#1 % 256;init_~tmp___1~0#1 := 1;" "init_~r212~0#1 := (if 0 == (if 0 == init_~tmp___1~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r231~0#1 % 256;init_~tmp___2~0#1 := 1;" "init_~r232~0#1 := (if 0 == (if 0 == init_~tmp___2~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r311~0#1 % 256;init_~tmp___3~0#1 := 1;" "init_~r312~0#1 := (if 0 == (if 0 == init_~tmp___3~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r321~0#1 % 256;init_~tmp___4~0#1 := 1;" "init_~r322~0#1 := (if 0 == (if 0 == init_~tmp___4~0#1 then 0 else 1) % 256 then 0 else 1);" "assume ~id1~0 != ~id2~0;" "assume ~id1~0 != ~id3~0;" "assume ~id2~0 != ~id3~0;" "assume ~id1~0 >= 0;" "assume ~id2~0 >= 0;" "assume ~id3~0 >= 0;" "assume 0 == ~r1~0;" "assume 0 == ~r2~0;" "assume 0 == ~r3~0;" "assume 0 != init_~r122~0#1 % 256;" "assume 0 != init_~r132~0#1 % 256;" "assume 0 != init_~r212~0#1 % 256;" "assume 0 != init_~r232~0#1 % 256;" "assume 0 != init_~r312~0#1 % 256;" "assume 0 != init_~r322~0#1 % 256;" "assume ~max1~0 == ~id1~0;" "assume ~max2~0 == ~id2~0;" "assume ~max3~0 == ~id3~0;" "assume 0 == ~st1~0;" "assume 0 == ~st2~0;" "assume 0 == ~st3~0;" "assume 0 == ~nl1~0;" "assume 0 == ~nl2~0;" "assume 0 == ~nl3~0;" "assume 0 == (if ~mode1~0 % 256 % 4294967296 <= 2147483647 then ~mode1~0 % 256 % 4294967296 else ~mode1~0 % 256 % 4294967296 - 4294967296);" "assume 0 == (if ~mode2~0 % 256 % 4294967296 <= 2147483647 then ~mode2~0 % 256 % 4294967296 else ~mode2~0 % 256 % 4294967296 - 4294967296);" "assume 0 == (if ~mode3~0 % 256 % 4294967296 <= 2147483647 then ~mode3~0 % 256 % 4294967296 else ~mode3~0 % 256 % 4294967296 - 4294967296);init_~tmp___5~0#1 := 1;" "init_#res#1 := init_~tmp___5~0#1;" "main_#t~ret31#1 := init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r211~0#1, init_~r231~0#1, init_~r311~0#1, init_~r321~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r212~0#1, init_~tmp___1~0#1, init_~r232~0#1, init_~tmp___2~0#1, init_~r312~0#1, init_~tmp___3~0#1, init_~r322~0#1, init_~tmp___4~0#1, init_~tmp___5~0#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret31#1;havoc main_#t~ret31#1;" "assume !(0 == main_~i2~0#1);" "~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;main_~i2~0#1 := 0;" [2025-02-06 19:53:53,840 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i2~0#1 < 6;assume { :begin_inline_node1 } true;" "assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);" "assume !(0 != ~ep21~0 % 256);" "assume !(0 != ~ep31~0 % 256);" "assume !(2 == ~r1~0);" "~mode1~0 := 0;" "assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;" "assume !(0 != ~mode2~0 % 256);" "assume !(~r2~0 < 2);" "~mode2~0 := 1;" "assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;" "assume !(0 != ~mode3~0 % 256);" "assume !(~r3~0 < 2);" "~mode3~0 := 1;" "assume { :end_inline_node3 } true;~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1;" "assume ~st1~0 + ~st2~0 + ~st3~0 <= 1;" "assume ~st1~0 + ~nl1~0 <= 1;" "assume ~st2~0 + ~nl2~0 <= 1;" "assume ~st3~0 + ~nl3~0 <= 1;" "assume !(~r1~0 >= 2);" "assume 0 == ~st1~0 + ~st2~0 + ~st3~0;" "assume ~r1~0 < 2;" "assume !(~r1~0 >= 2);" "assume 0 == ~nl1~0 + ~nl2~0 + ~nl3~0;" "assume ~r1~0 < 2;check_~tmp~1#1 := 1;" "check_#res#1 := check_~tmp~1#1;" "main_#t~ret32#1 := check_#res#1;havoc check_~tmp~1#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret32#1;havoc main_#t~ret32#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1;" "assume !(0 == assert_~arg#1 % 256);" "havoc assert_~arg#1;havoc assert_#in~arg#1;assume { :end_inline_assert } true;main_#t~post33#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post33#1;havoc main_#t~post33#1;" [2025-02-06 19:53:53,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:53:53,840 INFO L85 PathProgramCache]: Analyzing trace with hash -509657327, now seen corresponding path program 2 times [2025-02-06 19:53:53,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:53:53,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763422257] [2025-02-06 19:53:53,841 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 19:53:53,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:53:53,853 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 45 statements into 1 equivalence classes. [2025-02-06 19:53:53,889 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-06 19:53:53,889 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 19:53:53,889 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:53:53,890 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:53:53,899 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-06 19:53:53,945 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-06 19:53:53,946 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:53:53,946 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:53:53,960 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:53:53,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:53:53,961 INFO L85 PathProgramCache]: Analyzing trace with hash -1953277168, now seen corresponding path program 1 times [2025-02-06 19:53:53,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:53:53,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42780666] [2025-02-06 19:53:53,961 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:53:53,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:53:53,966 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-02-06 19:53:53,970 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-02-06 19:53:53,971 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:53:53,971 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:53:53,971 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:53:53,974 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-02-06 19:53:53,976 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-02-06 19:53:53,976 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:53:53,976 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:53:53,981 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:53:53,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:53:53,982 INFO L85 PathProgramCache]: Analyzing trace with hash 1801139712, now seen corresponding path program 1 times [2025-02-06 19:53:53,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:53:53,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375293928] [2025-02-06 19:53:53,982 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:53:53,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:53:53,995 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-02-06 19:53:54,003 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-02-06 19:53:54,003 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:53:54,003 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:53:54,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:53:54,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:53:54,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375293928] [2025-02-06 19:53:54,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375293928] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:53:54,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:53:54,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 19:53:54,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345198162] [2025-02-06 19:53:54,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:53:54,633 INFO L204 LassoAnalysis]: Preferences: [2025-02-06 19:53:54,634 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-06 19:53:54,634 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-06 19:53:54,634 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-06 19:53:54,634 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-06 19:53:54,634 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:53:54,634 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-06 19:53:54,634 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-06 19:53:54,635 INFO L132 ssoRankerPreferences]: Filename of dumped script: pals_floodmax.3.ufo.BOUNDED-6.pals.c_Iteration4_Loop [2025-02-06 19:53:54,635 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-06 19:53:54,635 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-06 19:53:54,649 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:53:54,657 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:53:54,659 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:53:54,664 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:53:54,666 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:53:54,669 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:53:54,671 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:53:54,680 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:53:54,683 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:53:54,696 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:53:54,699 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:53:54,702 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:53:54,707 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:53:54,709 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:53:54,714 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:53:54,732 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:53:54,734 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:53:55,130 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-06 19:53:55,130 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-06 19:53:55,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:53:55,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:53:55,134 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) [2025-02-06 19:53:55,135 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 [2025-02-06 19:53:55,137 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-06 19:53:55,137 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 19:53:55,155 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 [2025-02-06 19:53:55,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:53:55,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:53:55,157 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) [2025-02-06 19:53:55,158 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 [2025-02-06 19:53:55,159 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-06 19:53:55,159 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 19:53:55,246 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-06 19:53:55,251 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2025-02-06 19:53:55,251 INFO L204 LassoAnalysis]: Preferences: [2025-02-06 19:53:55,251 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-06 19:53:55,251 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-06 19:53:55,251 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-06 19:53:55,251 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-06 19:53:55,251 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:53:55,251 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-06 19:53:55,251 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-06 19:53:55,251 INFO L132 ssoRankerPreferences]: Filename of dumped script: pals_floodmax.3.ufo.BOUNDED-6.pals.c_Iteration4_Loop [2025-02-06 19:53:55,251 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-06 19:53:55,251 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-06 19:53:55,255 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:53:55,259 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:53:55,261 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:53:55,264 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:53:55,268 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:53:55,270 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:53:55,272 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:53:55,274 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:53:55,284 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:53:55,286 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:53:55,302 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:53:55,313 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:53:55,316 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:53:55,320 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:53:55,322 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:53:55,326 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:53:55,328 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:53:55,704 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-06 19:53:55,706 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-06 19:53:55,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:53:55,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:53:55,709 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) [2025-02-06 19:53:55,709 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 [2025-02-06 19:53:55,711 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 [2025-02-06 19:53:55,721 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:53:55,722 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:53:55,722 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:53:55,722 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:53:55,722 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:53:55,725 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:53:55,725 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:53:55,727 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:53:55,733 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 [2025-02-06 19:53:55,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:53:55,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:53:55,734 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) [2025-02-06 19:53:55,735 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 [2025-02-06 19:53:55,736 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 [2025-02-06 19:53:55,746 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:53:55,746 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:53:55,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:53:55,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:53:55,746 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:53:55,747 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:53:55,747 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:53:55,751 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:53:55,757 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 [2025-02-06 19:53:55,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:53:55,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:53:55,760 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) [2025-02-06 19:53:55,766 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 [2025-02-06 19:53:55,766 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 [2025-02-06 19:53:55,777 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:53:55,777 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:53:55,777 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:53:55,777 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:53:55,777 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:53:55,778 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:53:55,778 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:53:55,780 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:53:55,785 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2025-02-06 19:53:55,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:53:55,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:53:55,788 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) [2025-02-06 19:53:55,790 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 [2025-02-06 19:53:55,791 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 [2025-02-06 19:53:55,801 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:53:55,801 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:53:55,801 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:53:55,801 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:53:55,801 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:53:55,802 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:53:55,802 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:53:55,804 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:53:55,813 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 [2025-02-06 19:53:55,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:53:55,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:53:55,815 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) [2025-02-06 19:53:55,816 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 [2025-02-06 19:53:55,818 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 [2025-02-06 19:53:55,828 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:53:55,828 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:53:55,828 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:53:55,828 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:53:55,828 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:53:55,828 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:53:55,828 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:53:55,829 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:53:55,835 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 [2025-02-06 19:53:55,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:53:55,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:53:55,837 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) [2025-02-06 19:53:55,838 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 [2025-02-06 19:53:55,839 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 [2025-02-06 19:53:55,849 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:53:55,849 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:53:55,849 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:53:55,849 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:53:55,849 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:53:55,850 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:53:55,850 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:53:55,852 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:53:55,857 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2025-02-06 19:53:55,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:53:55,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:53:55,859 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) [2025-02-06 19:53:55,860 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 [2025-02-06 19:53:55,861 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 [2025-02-06 19:53:55,871 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:53:55,871 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:53:55,871 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:53:55,871 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:53:55,871 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:53:55,872 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:53:55,872 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:53:55,873 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:53:55,879 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2025-02-06 19:53:55,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:53:55,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:53:55,881 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) [2025-02-06 19:53:55,881 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 [2025-02-06 19:53:55,882 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 [2025-02-06 19:53:55,892 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:53:55,893 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:53:55,893 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:53:55,893 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:53:55,893 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:53:55,894 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:53:55,894 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:53:55,897 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:53:55,903 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 [2025-02-06 19:53:55,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:53:55,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:53:55,905 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) [2025-02-06 19:53:55,906 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 [2025-02-06 19:53:55,907 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 [2025-02-06 19:53:55,918 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:53:55,918 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:53:55,918 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:53:55,918 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:53:55,918 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:53:55,919 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:53:55,919 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:53:55,925 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:53:55,934 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2025-02-06 19:53:55,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:53:55,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:53:55,937 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) [2025-02-06 19:53:55,938 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 [2025-02-06 19:53:55,941 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 [2025-02-06 19:53:55,953 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:53:55,954 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:53:55,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:53:55,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:53:55,954 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:53:55,960 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:53:55,960 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:53:55,965 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:53:55,972 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2025-02-06 19:53:55,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:53:55,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:53:55,974 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) [2025-02-06 19:53:55,975 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 [2025-02-06 19:53:55,977 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 [2025-02-06 19:53:55,987 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:53:55,987 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:53:55,987 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:53:55,988 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2025-02-06 19:53:55,988 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:53:55,990 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2025-02-06 19:53:55,990 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:53:55,993 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:53:56,003 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2025-02-06 19:53:56,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:53:56,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:53:56,006 INFO L229 MonitoredProcess]: Starting monitored process 15 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) [2025-02-06 19:53:56,009 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2025-02-06 19:53:56,009 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 [2025-02-06 19:53:56,020 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:53:56,020 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:53:56,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:53:56,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:53:56,020 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:53:56,022 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:53:56,022 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:53:56,023 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:53:56,029 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2025-02-06 19:53:56,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:53:56,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:53:56,032 INFO L229 MonitoredProcess]: Starting monitored process 16 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) [2025-02-06 19:53:56,034 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 [2025-02-06 19:53:56,038 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2025-02-06 19:53:56,045 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:53:56,045 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:53:56,045 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:53:56,045 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:53:56,045 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:53:56,046 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:53:56,047 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:53:56,049 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:53:56,056 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2025-02-06 19:53:56,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:53:56,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:53:56,058 INFO L229 MonitoredProcess]: Starting monitored process 17 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) [2025-02-06 19:53:56,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2025-02-06 19:53:56,061 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 [2025-02-06 19:53:56,071 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:53:56,071 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:53:56,071 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:53:56,072 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:53:56,072 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:53:56,072 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:53:56,072 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:53:56,075 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:53:56,082 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2025-02-06 19:53:56,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:53:56,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:53:56,084 INFO L229 MonitoredProcess]: Starting monitored process 18 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) [2025-02-06 19:53:56,086 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2025-02-06 19:53:56,087 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 [2025-02-06 19:53:56,096 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:53:56,097 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:53:56,097 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:53:56,097 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:53:56,097 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:53:56,098 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:53:56,098 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:53:56,100 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-06 19:53:56,107 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2025-02-06 19:53:56,109 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2025-02-06 19:53:56,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:53:56,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:53:56,111 INFO L229 MonitoredProcess]: Starting monitored process 19 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) [2025-02-06 19:53:56,113 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2025-02-06 19:53:56,113 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-06 19:53:56,113 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-02-06 19:53:56,113 INFO L474 LassoAnalysis]: Proved termination. [2025-02-06 19:53:56,114 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i2~0#1) = -2*ULTIMATE.start_main_~i2~0#1 + 11 Supporting invariants [] [2025-02-06 19:53:56,119 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2025-02-06 19:53:56,121 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-02-06 19:53:56,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:53:56,170 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-06 19:53:56,195 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-06 19:53:56,195 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:53:56,195 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:53:56,197 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-06 19:53:56,199 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:53:56,252 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-02-06 19:53:56,259 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-02-06 19:53:56,259 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:53:56,259 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:53:56,264 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 19:53:56,265 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:53:56,342 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2025-02-06 19:53:56,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:53:56,410 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2025-02-06 19:53:56,411 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 157 states and 230 transitions. cyclomatic complexity: 74 Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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) [2025-02-06 19:53:56,456 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 157 states and 230 transitions. cyclomatic complexity: 74. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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 256 states and 385 transitions. Complement of second has 4 states. [2025-02-06 19:53:56,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2025-02-06 19:53:56,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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) [2025-02-06 19:53:56,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 165 transitions. [2025-02-06 19:53:56,463 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 165 transitions. Stem has 45 letters. Loop has 29 letters. [2025-02-06 19:53:56,464 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:53:56,464 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 165 transitions. Stem has 74 letters. Loop has 29 letters. [2025-02-06 19:53:56,465 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:53:56,465 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 165 transitions. Stem has 45 letters. Loop has 58 letters. [2025-02-06 19:53:56,466 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:53:56,466 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 256 states and 385 transitions. [2025-02-06 19:53:56,470 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-06 19:53:56,470 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 256 states to 0 states and 0 transitions. [2025-02-06 19:53:56,470 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-02-06 19:53:56,470 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-02-06 19:53:56,470 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-02-06 19:53:56,470 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:53:56,470 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-06 19:53:56,470 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-06 19:53:56,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:53:56,471 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 19:53:56,471 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 19:53:56,471 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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) [2025-02-06 19:53:56,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:53:56,471 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2025-02-06 19:53:56,471 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2025-02-06 19:53:56,471 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-06 19:53:56,471 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2025-02-06 19:53:56,471 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-02-06 19:53:56,471 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-02-06 19:53:56,471 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-02-06 19:53:56,471 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:53:56,471 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-06 19:53:56,471 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-06 19:53:56,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 19:53:56,472 INFO L432 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-06 19:53:56,472 INFO L338 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2025-02-06 19:53:56,472 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-02-06 19:53:56,472 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-06 19:53:56,472 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-02-06 19:53:56,480 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.02 07:53:56 BoogieIcfgContainer [2025-02-06 19:53:56,480 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-02-06 19:53:56,481 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 19:53:56,481 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 19:53:56,481 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 19:53:56,482 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:53:52" (3/4) ... [2025-02-06 19:53:56,483 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-06 19:53:56,484 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 19:53:56,484 INFO L158 Benchmark]: Toolchain (without parser) took 4758.61ms. Allocated memory is still 167.8MB. Free memory was 122.3MB in the beginning and 111.5MB in the end (delta: 10.7MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2025-02-06 19:53:56,484 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 201.3MB. Free memory is still 117.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:53:56,484 INFO L158 Benchmark]: CACSL2BoogieTranslator took 212.93ms. Allocated memory is still 167.8MB. Free memory was 122.3MB in the beginning and 106.0MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 19:53:56,485 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.07ms. Allocated memory is still 167.8MB. Free memory was 106.0MB in the beginning and 104.0MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:53:56,488 INFO L158 Benchmark]: Boogie Preprocessor took 37.57ms. Allocated memory is still 167.8MB. Free memory was 104.0MB in the beginning and 101.4MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:53:56,489 INFO L158 Benchmark]: IcfgBuilder took 542.94ms. Allocated memory is still 167.8MB. Free memory was 101.4MB in the beginning and 68.7MB in the end (delta: 32.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-02-06 19:53:56,489 INFO L158 Benchmark]: BuchiAutomizer took 3922.15ms. Allocated memory is still 167.8MB. Free memory was 68.7MB in the beginning and 112.3MB in the end (delta: -43.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:53:56,489 INFO L158 Benchmark]: Witness Printer took 2.58ms. Allocated memory is still 167.8MB. Free memory was 111.6MB in the beginning and 111.5MB in the end (delta: 33.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 19:53:56,490 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 201.3MB. Free memory is still 117.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 212.93ms. Allocated memory is still 167.8MB. Free memory was 122.3MB in the beginning and 106.0MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.07ms. Allocated memory is still 167.8MB. Free memory was 106.0MB in the beginning and 104.0MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.57ms. Allocated memory is still 167.8MB. Free memory was 104.0MB in the beginning and 101.4MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 542.94ms. Allocated memory is still 167.8MB. Free memory was 101.4MB in the beginning and 68.7MB in the end (delta: 32.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 3922.15ms. Allocated memory is still 167.8MB. Free memory was 68.7MB in the beginning and 112.3MB in the end (delta: -43.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.58ms. Allocated memory is still 167.8MB. Free memory was 111.6MB in the beginning and 111.5MB in the end (delta: 33.1kB). Peak memory consumption was 8.4MB. 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 5 terminating modules (4 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function (((long long) -2 * i2) + 11) and consists of 3 locations. 4 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.8s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 3.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 56 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 [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 304 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 303 mSDsluCounter, 2069 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1353 mSDsCounter, 45 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 59 IncrementalHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 45 mSolverCounterUnsat, 716 mSDtfsCounter, 59 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT1 SILN0 SILU0 SILI2 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital142 mio100 ax100 hnf100 lsp26 ukn100 mio100 lsp100 div168 bol100 ite100 ukn100 eq153 hnf97 smp77 dnf104 smp96 tf102 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 21ms VariablesStem: 0 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2025-02-06 19:53:56,501 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