./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-bwb/and-06.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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/termination-bwb/and-06.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d5d25da990643b4b5025c4e511382360ecc906ce1073cabf600162c7aef9f4cd --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 18:57:56,512 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 18:57:56,601 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2025-02-06 18:57:56,604 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 18:57:56,604 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 18:57:56,604 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-02-06 18:57:56,645 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 18:57:56,646 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 18:57:56,646 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 18:57:56,646 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 18:57:56,646 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 18:57:56,646 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 18:57:56,646 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 18:57:56,646 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 18:57:56,646 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-02-06 18:57:56,646 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-02-06 18:57:56,646 INFO L153 SettingsManager]: * Use old map elimination=false [2025-02-06 18:57:56,646 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-02-06 18:57:56,646 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-02-06 18:57:56,646 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-02-06 18:57:56,647 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 18:57:56,647 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-02-06 18:57:56,647 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 18:57:56,647 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 18:57:56,647 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-02-06 18:57:56,647 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-02-06 18:57:56,647 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-02-06 18:57:56,647 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 18:57:56,647 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 18:57:56,647 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-02-06 18:57:56,647 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 18:57:56,647 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 18:57:56,647 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 18:57:56,647 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 18:57:56,647 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 18:57:56,647 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 18:57:56,647 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-02-06 18:57:56,647 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d5d25da990643b4b5025c4e511382360ecc906ce1073cabf600162c7aef9f4cd [2025-02-06 18:57:57,044 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 18:57:57,058 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 18:57:57,061 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 18:57:57,066 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 18:57:57,067 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 18:57:57,068 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-bwb/and-06.c [2025-02-06 18:57:58,346 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/cdea582e8/cc51fefe21a043858b5e42b1f807acae/FLAGb2ac10fc0 [2025-02-06 18:57:58,559 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 18:57:58,560 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/termination-bwb/and-06.c [2025-02-06 18:57:58,569 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/cdea582e8/cc51fefe21a043858b5e42b1f807acae/FLAGb2ac10fc0 [2025-02-06 18:57:58,591 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/cdea582e8/cc51fefe21a043858b5e42b1f807acae [2025-02-06 18:57:58,615 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 18:57:58,619 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 18:57:58,620 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 18:57:58,621 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 18:57:58,628 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 18:57:58,629 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 06:57:58" (1/1) ... [2025-02-06 18:57:58,630 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b533ee8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:57:58, skipping insertion in model container [2025-02-06 18:57:58,631 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 06:57:58" (1/1) ... [2025-02-06 18:57:58,642 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 18:57:58,738 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 18:57:58,741 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 18:57:58,748 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 18:57:58,757 INFO L204 MainTranslator]: Completed translation [2025-02-06 18:57:58,758 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:57:58 WrapperNode [2025-02-06 18:57:58,758 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 18:57:58,759 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 18:57:58,759 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 18:57:58,759 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 18:57:58,763 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:57:58" (1/1) ... [2025-02-06 18:57:58,765 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:57:58" (1/1) ... [2025-02-06 18:57:58,777 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 35 [2025-02-06 18:57:58,778 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 18:57:58,779 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 18:57:58,779 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 18:57:58,779 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 18:57:58,784 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:57:58" (1/1) ... [2025-02-06 18:57:58,784 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:57:58" (1/1) ... [2025-02-06 18:57:58,784 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:57:58" (1/1) ... [2025-02-06 18:57:58,788 INFO L175 MemorySlicer]: No memory access in input program. [2025-02-06 18:57:58,790 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:57:58" (1/1) ... [2025-02-06 18:57:58,790 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:57:58" (1/1) ... [2025-02-06 18:57:58,791 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:57:58" (1/1) ... [2025-02-06 18:57:58,792 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:57:58" (1/1) ... [2025-02-06 18:57:58,792 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:57:58" (1/1) ... [2025-02-06 18:57:58,792 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:57:58" (1/1) ... [2025-02-06 18:57:58,795 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 18:57:58,795 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 18:57:58,796 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 18:57:58,797 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 18:57:58,797 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:57:58" (1/1) ... [2025-02-06 18:57:58,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:57:58,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:57:58,818 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 18:57:58,823 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 18:57:58,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 18:57:58,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 18:57:58,866 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 18:57:58,867 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 18:57:58,940 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2025-02-06 18:57:58,943 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 18:57:58,963 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 18:57:58,966 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 18:57:58,967 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 06:57:58 BoogieIcfgContainer [2025-02-06 18:57:58,967 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 18:57:58,967 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-02-06 18:57:58,968 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-02-06 18:57:58,971 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-02-06 18:57:58,972 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 18:57:58,972 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.02 06:57:58" (1/3) ... [2025-02-06 18:57:58,973 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@bc7f618 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.02 06:57:58, skipping insertion in model container [2025-02-06 18:57:58,973 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 18:57:58,973 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:57:58" (2/3) ... [2025-02-06 18:57:58,974 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@bc7f618 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.02 06:57:58, skipping insertion in model container [2025-02-06 18:57:58,974 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 18:57:58,974 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 06:57:58" (3/3) ... [2025-02-06 18:57:58,975 INFO L363 chiAutomizerObserver]: Analyzing ICFG and-06.c [2025-02-06 18:57:59,014 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-02-06 18:57:59,015 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-02-06 18:57:59,015 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-02-06 18:57:59,016 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-02-06 18:57:59,016 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-02-06 18:57:59,016 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-02-06 18:57:59,016 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-02-06 18:57:59,016 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-02-06 18:57:59,019 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 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 18:57:59,030 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2025-02-06 18:57:59,031 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 18:57:59,031 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 18:57:59,034 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2025-02-06 18:57:59,034 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2025-02-06 18:57:59,035 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-02-06 18:57:59,035 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 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 18:57:59,036 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2025-02-06 18:57:59,037 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 18:57:59,037 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 18:57:59,037 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2025-02-06 18:57:59,037 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2025-02-06 18:57:59,041 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~post2#1, main_#t~bitwise3#1, main_#t~bitwise4#1, main_~a~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~x~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" [2025-02-06 18:57:59,041 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~x~0#1 > 0;main_#t~post2#1 := main_~a~0#1;main_~a~0#1 := main_#t~post2#1 - 1;havoc main_#t~post2#1;" "assume !(main_~a~0#1 > 0);" "assume 0 == main_~x~0#1 || 0 == main_~x~0#1 - 1;main_#t~bitwise4#1 := 0;" "main_~x~0#1 := main_#t~bitwise4#1;havoc main_#t~bitwise4#1;" [2025-02-06 18:57:59,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:57:59,045 INFO L85 PathProgramCache]: Analyzing trace with hash 1632, now seen corresponding path program 1 times [2025-02-06 18:57:59,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:57:59,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650901368] [2025-02-06 18:57:59,050 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:57:59,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:57:59,092 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 18:57:59,094 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 18:57:59,095 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:57:59,095 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 18:57:59,095 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 18:57:59,097 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 18:57:59,098 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 18:57:59,098 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:57:59,098 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 18:57:59,106 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 18:57:59,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:57:59,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1507199, now seen corresponding path program 1 times [2025-02-06 18:57:59,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:57:59,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467556825] [2025-02-06 18:57:59,108 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:57:59,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:57:59,113 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-06 18:57:59,122 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-06 18:57:59,122 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:57:59,123 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 18:57:59,123 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 18:57:59,125 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-06 18:57:59,126 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-06 18:57:59,128 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:57:59,128 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 18:57:59,129 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 18:57:59,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:57:59,130 INFO L85 PathProgramCache]: Analyzing trace with hash 1507769950, now seen corresponding path program 1 times [2025-02-06 18:57:59,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:57:59,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305956363] [2025-02-06 18:57:59,130 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:57:59,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:57:59,136 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-06 18:57:59,138 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-06 18:57:59,139 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:57:59,139 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 18:57:59,140 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 18:57:59,141 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-06 18:57:59,143 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-06 18:57:59,144 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:57:59,144 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 18:57:59,145 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 18:57:59,243 INFO L204 LassoAnalysis]: Preferences: [2025-02-06 18:57:59,244 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-06 18:57:59,244 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-06 18:57:59,244 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-06 18:57:59,244 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-06 18:57:59,244 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:57:59,244 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-06 18:57:59,244 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-06 18:57:59,244 INFO L132 ssoRankerPreferences]: Filename of dumped script: and-06.c_Iteration1_Loop [2025-02-06 18:57:59,244 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-06 18:57:59,245 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-06 18:57:59,253 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:57:59,259 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:57:59,264 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:57:59,270 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:57:59,316 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-06 18:57:59,316 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-06 18:57:59,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:57:59,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:57:59,321 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 18:57:59,322 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 18:57:59,323 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-06 18:57:59,323 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 18:57:59,336 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-06 18:57:59,337 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~bitwise4#1=0} Honda state: {ULTIMATE.start_main_#t~bitwise4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-06 18:57:59,342 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 18:57:59,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:57:59,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:57:59,346 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 18:57:59,347 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 18:57:59,347 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-06 18:57:59,347 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 18:57:59,371 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2025-02-06 18:57:59,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:57:59,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:57:59,376 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 18:57:59,380 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 18:57:59,380 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-06 18:57:59,380 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 18:57:59,400 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-06 18:57:59,406 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 18:57:59,407 INFO L204 LassoAnalysis]: Preferences: [2025-02-06 18:57:59,407 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-06 18:57:59,407 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-06 18:57:59,407 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-06 18:57:59,407 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-06 18:57:59,407 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:57:59,407 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-06 18:57:59,407 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-06 18:57:59,407 INFO L132 ssoRankerPreferences]: Filename of dumped script: and-06.c_Iteration1_Loop [2025-02-06 18:57:59,407 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-06 18:57:59,407 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-06 18:57:59,408 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:57:59,415 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:57:59,420 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:57:59,429 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:57:59,467 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-06 18:57:59,470 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-06 18:57:59,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:57:59,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:57:59,473 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 18:57:59,474 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 18:57:59,475 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 18:57:59,486 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 18:57:59,486 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 18:57:59,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 18:57:59,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 18:57:59,487 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 18:57:59,495 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 18:57:59,495 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 18:57:59,497 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-06 18:57:59,501 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2025-02-06 18:57:59,503 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-02-06 18:57:59,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:57:59,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:57:59,506 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 18:57:59,507 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 18:57:59,508 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-06 18:57:59,508 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-02-06 18:57:59,509 INFO L474 LassoAnalysis]: Proved termination. [2025-02-06 18:57:59,509 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2025-02-06 18:57:59,518 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2025-02-06 18:57:59,520 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-02-06 18:57:59,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:57:59,540 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 18:57:59,540 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 18:57:59,541 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:57:59,541 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:57:59,541 WARN L254 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-06 18:57:59,542 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:57:59,548 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-06 18:57:59,550 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-06 18:57:59,550 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:57:59,550 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:57:59,550 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 18:57:59,551 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:57:59,582 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 18:57:59,599 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2025-02-06 18:57:59,600 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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 18:57:59,668 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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 62 states and 87 transitions. Complement of second has 10 states. [2025-02-06 18:57:59,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2025-02-06 18:57:59,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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 18:57:59,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 52 transitions. [2025-02-06 18:57:59,676 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 52 transitions. Stem has 2 letters. Loop has 4 letters. [2025-02-06 18:57:59,677 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 18:57:59,677 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 52 transitions. Stem has 6 letters. Loop has 4 letters. [2025-02-06 18:57:59,677 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 18:57:59,677 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 52 transitions. Stem has 2 letters. Loop has 8 letters. [2025-02-06 18:57:59,677 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 18:57:59,677 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 62 states and 87 transitions. [2025-02-06 18:57:59,679 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2025-02-06 18:57:59,681 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 62 states to 39 states and 55 transitions. [2025-02-06 18:57:59,682 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2025-02-06 18:57:59,682 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2025-02-06 18:57:59,682 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 55 transitions. [2025-02-06 18:57:59,683 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-06 18:57:59,683 INFO L218 hiAutomatonCegarLoop]: Abstraction has 39 states and 55 transitions. [2025-02-06 18:57:59,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 55 transitions. [2025-02-06 18:57:59,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 25. [2025-02-06 18:57:59,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.36) internal successors, (34), 24 states have internal predecessors, (34), 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 18:57:59,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 34 transitions. [2025-02-06 18:57:59,698 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 34 transitions. [2025-02-06 18:57:59,698 INFO L432 stractBuchiCegarLoop]: Abstraction has 25 states and 34 transitions. [2025-02-06 18:57:59,698 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-02-06 18:57:59,698 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 34 transitions. [2025-02-06 18:57:59,698 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2025-02-06 18:57:59,698 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 18:57:59,698 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 18:57:59,698 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-02-06 18:57:59,699 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2025-02-06 18:57:59,699 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~post2#1, main_#t~bitwise3#1, main_#t~bitwise4#1, main_~a~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~x~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" "assume main_~x~0#1 > 0;main_#t~post2#1 := main_~a~0#1;main_~a~0#1 := main_#t~post2#1 - 1;havoc main_#t~post2#1;" [2025-02-06 18:57:59,699 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~a~0#1 > 0;" "assume 0 == main_~x~0#1 || 0 == main_~a~0#1;main_#t~bitwise3#1 := 0;" "main_~x~0#1 := main_#t~bitwise3#1;havoc main_#t~bitwise3#1;" "assume main_~x~0#1 > 0;main_#t~post2#1 := main_~a~0#1;main_~a~0#1 := main_#t~post2#1 - 1;havoc main_#t~post2#1;" [2025-02-06 18:57:59,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:57:59,699 INFO L85 PathProgramCache]: Analyzing trace with hash 50611, now seen corresponding path program 1 times [2025-02-06 18:57:59,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:57:59,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314330991] [2025-02-06 18:57:59,699 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:57:59,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:57:59,701 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-06 18:57:59,702 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 18:57:59,702 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:57:59,702 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 18:57:59,702 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 18:57:59,703 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-06 18:57:59,703 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 18:57:59,703 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:57:59,703 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 18:57:59,704 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 18:57:59,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:57:59,704 INFO L85 PathProgramCache]: Analyzing trace with hash 1433924, now seen corresponding path program 1 times [2025-02-06 18:57:59,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:57:59,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896076481] [2025-02-06 18:57:59,705 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:57:59,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:57:59,706 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-06 18:57:59,707 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-06 18:57:59,708 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:57:59,708 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:57:59,738 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 18:57:59,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:57:59,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896076481] [2025-02-06 18:57:59,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896076481] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:57:59,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:57:59,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 18:57:59,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156565699] [2025-02-06 18:57:59,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:57:59,740 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-02-06 18:57:59,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:57:59,741 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 18:57:59,742 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 18:57:59,742 INFO L87 Difference]: Start difference. First operand 25 states and 34 transitions. cyclomatic complexity: 11 Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 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 18:57:59,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:57:59,761 INFO L93 Difference]: Finished difference Result 29 states and 36 transitions. [2025-02-06 18:57:59,761 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 36 transitions. [2025-02-06 18:57:59,761 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2025-02-06 18:57:59,762 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 25 states and 32 transitions. [2025-02-06 18:57:59,762 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2025-02-06 18:57:59,762 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2025-02-06 18:57:59,762 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 32 transitions. [2025-02-06 18:57:59,762 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-06 18:57:59,762 INFO L218 hiAutomatonCegarLoop]: Abstraction has 25 states and 32 transitions. [2025-02-06 18:57:59,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 32 transitions. [2025-02-06 18:57:59,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2025-02-06 18:57:59,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.28) internal successors, (32), 24 states have internal predecessors, (32), 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 18:57:59,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 32 transitions. [2025-02-06 18:57:59,764 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 32 transitions. [2025-02-06 18:57:59,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 18:57:59,765 INFO L432 stractBuchiCegarLoop]: Abstraction has 25 states and 32 transitions. [2025-02-06 18:57:59,765 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-02-06 18:57:59,765 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 32 transitions. [2025-02-06 18:57:59,765 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2025-02-06 18:57:59,765 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 18:57:59,765 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 18:57:59,765 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-02-06 18:57:59,766 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2025-02-06 18:57:59,766 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~post2#1, main_#t~bitwise3#1, main_#t~bitwise4#1, main_~a~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~x~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" "assume main_~x~0#1 > 0;main_#t~post2#1 := main_~a~0#1;main_~a~0#1 := main_#t~post2#1 - 1;havoc main_#t~post2#1;" [2025-02-06 18:57:59,766 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~a~0#1 > 0;" "assume !(0 == main_~x~0#1 || 0 == main_~a~0#1);" "assume main_~x~0#1 == main_~a~0#1;main_#t~bitwise3#1 := main_~x~0#1;" "main_~x~0#1 := main_#t~bitwise3#1;havoc main_#t~bitwise3#1;" "assume main_~x~0#1 > 0;main_#t~post2#1 := main_~a~0#1;main_~a~0#1 := main_#t~post2#1 - 1;havoc main_#t~post2#1;" [2025-02-06 18:57:59,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:57:59,766 INFO L85 PathProgramCache]: Analyzing trace with hash 50611, now seen corresponding path program 2 times [2025-02-06 18:57:59,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:57:59,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680493559] [2025-02-06 18:57:59,766 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 18:57:59,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:57:59,769 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 3 statements into 1 equivalence classes. [2025-02-06 18:57:59,770 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 18:57:59,770 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 18:57:59,770 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 18:57:59,770 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 18:57:59,770 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-06 18:57:59,771 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 18:57:59,771 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:57:59,771 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 18:57:59,772 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 18:57:59,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:57:59,772 INFO L85 PathProgramCache]: Analyzing trace with hash 44602044, now seen corresponding path program 1 times [2025-02-06 18:57:59,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:57:59,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813784081] [2025-02-06 18:57:59,772 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:57:59,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:57:59,777 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-06 18:57:59,779 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-06 18:57:59,779 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:57:59,779 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 18:57:59,779 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 18:57:59,780 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-06 18:57:59,781 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-06 18:57:59,781 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:57:59,781 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 18:57:59,782 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 18:57:59,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:57:59,782 INFO L85 PathProgramCache]: Analyzing trace with hash 1561955402, now seen corresponding path program 1 times [2025-02-06 18:57:59,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:57:59,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031797271] [2025-02-06 18:57:59,782 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:57:59,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:57:59,794 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 18:57:59,801 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 18:57:59,803 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 18:57:59,803 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:57:59,803 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 18:57:59,803 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 18:57:59,805 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 18:57:59,814 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 18:57:59,814 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:57:59,815 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 18:57:59,817 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 18:57:59,849 INFO L204 LassoAnalysis]: Preferences: [2025-02-06 18:57:59,850 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-06 18:57:59,850 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-06 18:57:59,850 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-06 18:57:59,850 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-06 18:57:59,850 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:57:59,850 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-06 18:57:59,850 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-06 18:57:59,850 INFO L132 ssoRankerPreferences]: Filename of dumped script: and-06.c_Iteration3_Loop [2025-02-06 18:57:59,850 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-06 18:57:59,850 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-06 18:57:59,850 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:57:59,853 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:57:59,859 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:57:59,886 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-06 18:57:59,886 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-06 18:57:59,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:57:59,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:57:59,889 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 18:57:59,892 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 18:57:59,893 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-06 18:57:59,893 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 18:57:59,904 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-06 18:57:59,904 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~bitwise3#1=0} Honda state: {ULTIMATE.start_main_#t~bitwise3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-06 18:57:59,910 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2025-02-06 18:57:59,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:57:59,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:57:59,914 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 18:57:59,915 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 18:57:59,916 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-06 18:57:59,916 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 18:57:59,934 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2025-02-06 18:57:59,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:57:59,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:57:59,936 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 18:57:59,937 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 18:57:59,938 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-06 18:57:59,938 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 18:57:59,962 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-06 18:57:59,966 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2025-02-06 18:57:59,966 INFO L204 LassoAnalysis]: Preferences: [2025-02-06 18:57:59,966 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-06 18:57:59,966 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-06 18:57:59,966 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-06 18:57:59,966 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-06 18:57:59,966 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:57:59,966 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-06 18:57:59,966 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-06 18:57:59,966 INFO L132 ssoRankerPreferences]: Filename of dumped script: and-06.c_Iteration3_Loop [2025-02-06 18:57:59,966 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-06 18:57:59,966 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-06 18:57:59,967 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:57:59,975 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:57:59,977 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:58:00,005 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-06 18:58:00,005 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-06 18:58:00,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:58:00,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:58:00,009 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 18:58:00,010 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 18:58:00,013 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 18:58:00,024 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 18:58:00,024 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 18:58:00,024 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 18:58:00,024 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 18:58:00,024 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 18:58:00,026 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 18:58:00,026 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 18:58:00,028 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-06 18:58:00,032 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2025-02-06 18:58:00,032 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-02-06 18:58:00,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:58:00,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:58:00,034 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 18:58:00,036 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 18:58:00,036 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-06 18:58:00,037 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-02-06 18:58:00,037 INFO L474 LassoAnalysis]: Proved termination. [2025-02-06 18:58:00,037 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~a~0#1) = 1*ULTIMATE.start_main_~a~0#1 Supporting invariants [] [2025-02-06 18:58:00,042 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 18:58:00,043 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-02-06 18:58:00,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:58:00,056 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-06 18:58:00,057 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 18:58:00,057 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:58:00,057 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:58:00,057 INFO L256 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-06 18:58:00,057 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:58:00,062 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-06 18:58:00,064 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-06 18:58:00,064 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:58:00,064 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:58:00,064 INFO L256 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 18:58:00,065 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:58:00,084 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 18:58:00,084 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 18:58:00,085 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 32 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 18:58:00,106 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 32 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 57 states and 78 transitions. Complement of second has 6 states. [2025-02-06 18:58:00,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2025-02-06 18:58:00,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 18:58:00,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2025-02-06 18:58:00,107 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 3 letters. Loop has 5 letters. [2025-02-06 18:58:00,107 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 18:58:00,108 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 8 letters. Loop has 5 letters. [2025-02-06 18:58:00,108 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 18:58:00,108 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 3 letters. Loop has 10 letters. [2025-02-06 18:58:00,108 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 18:58:00,108 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 57 states and 78 transitions. [2025-02-06 18:58:00,109 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2025-02-06 18:58:00,110 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 57 states to 46 states and 62 transitions. [2025-02-06 18:58:00,110 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2025-02-06 18:58:00,110 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2025-02-06 18:58:00,110 INFO L73 IsDeterministic]: Start isDeterministic. Operand 46 states and 62 transitions. [2025-02-06 18:58:00,110 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-06 18:58:00,110 INFO L218 hiAutomatonCegarLoop]: Abstraction has 46 states and 62 transitions. [2025-02-06 18:58:00,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states and 62 transitions. [2025-02-06 18:58:00,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 45. [2025-02-06 18:58:00,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 45 states have (on average 1.3555555555555556) internal successors, (61), 44 states have internal predecessors, (61), 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 18:58:00,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 61 transitions. [2025-02-06 18:58:00,112 INFO L240 hiAutomatonCegarLoop]: Abstraction has 45 states and 61 transitions. [2025-02-06 18:58:00,112 INFO L432 stractBuchiCegarLoop]: Abstraction has 45 states and 61 transitions. [2025-02-06 18:58:00,112 INFO L338 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2025-02-06 18:58:00,112 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 45 states and 61 transitions. [2025-02-06 18:58:00,112 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2025-02-06 18:58:00,112 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 18:58:00,112 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 18:58:00,113 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2025-02-06 18:58:00,113 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2025-02-06 18:58:00,113 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~post2#1, main_#t~bitwise3#1, main_#t~bitwise4#1, main_~a~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~x~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" "assume main_~x~0#1 > 0;main_#t~post2#1 := main_~a~0#1;main_~a~0#1 := main_#t~post2#1 - 1;havoc main_#t~post2#1;" "assume !(main_~a~0#1 > 0);" [2025-02-06 18:58:00,113 INFO L754 eck$LassoCheckResult]: Loop: "assume !(0 == main_~x~0#1 || 0 == main_~x~0#1 - 1);" "assume !(main_~x~0#1 == main_~x~0#1 - 1);" "havoc main_#t~bitwise4#1;assume (((((main_~x~0#1 < 0 && main_~x~0#1 - 1 >= 0) || main_#t~bitwise4#1 <= main_~x~0#1) && ((main_~x~0#1 >= 0 && main_~x~0#1 - 1 < 0) || main_#t~bitwise4#1 <= main_~x~0#1 - 1)) && ((main_~x~0#1 < 0 && main_~x~0#1 - 1 < 0) || main_#t~bitwise4#1 >= 0)) && ((main_~x~0#1 >= 0 && main_~x~0#1 - 1 >= 0) || main_#t~bitwise4#1 > main_~x~0#1 + (main_~x~0#1 - 1))) && main_#t~bitwise4#1 >= -2147483648;" "main_~x~0#1 := main_#t~bitwise4#1;havoc main_#t~bitwise4#1;" "assume main_~x~0#1 > 0;main_#t~post2#1 := main_~a~0#1;main_~a~0#1 := main_#t~post2#1 - 1;havoc main_#t~post2#1;" "assume !(main_~a~0#1 > 0);" [2025-02-06 18:58:00,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:58:00,113 INFO L85 PathProgramCache]: Analyzing trace with hash 1568959, now seen corresponding path program 1 times [2025-02-06 18:58:00,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:58:00,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485607626] [2025-02-06 18:58:00,113 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:58:00,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:58:00,115 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-06 18:58:00,116 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-06 18:58:00,116 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:58:00,116 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 18:58:00,117 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 18:58:00,117 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-06 18:58:00,118 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-06 18:58:00,118 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:58:00,118 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 18:58:00,118 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 18:58:00,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:58:00,119 INFO L85 PathProgramCache]: Analyzing trace with hash 1360118322, now seen corresponding path program 1 times [2025-02-06 18:58:00,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:58:00,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328982282] [2025-02-06 18:58:00,119 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:58:00,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:58:00,121 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-06 18:58:00,123 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-06 18:58:00,123 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:58:00,123 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 18:58:00,124 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 18:58:00,124 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-06 18:58:00,127 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-06 18:58:00,127 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:58:00,127 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 18:58:00,128 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 18:58:00,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:58:00,128 INFO L85 PathProgramCache]: Analyzing trace with hash -1101681552, now seen corresponding path program 1 times [2025-02-06 18:58:00,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:58:00,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121441287] [2025-02-06 18:58:00,128 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:58:00,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:58:00,130 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-02-06 18:58:00,133 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-02-06 18:58:00,133 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:58:00,133 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 18:58:00,133 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 18:58:00,134 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-02-06 18:58:00,137 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-02-06 18:58:00,137 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:58:00,137 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 18:58:00,137 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 18:58:00,177 INFO L204 LassoAnalysis]: Preferences: [2025-02-06 18:58:00,177 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-06 18:58:00,178 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-06 18:58:00,178 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-06 18:58:00,178 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-06 18:58:00,178 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:58:00,178 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-06 18:58:00,178 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-06 18:58:00,178 INFO L132 ssoRankerPreferences]: Filename of dumped script: and-06.c_Iteration4_Loop [2025-02-06 18:58:00,178 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-06 18:58:00,178 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-06 18:58:00,179 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:58:00,183 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:58:00,184 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:58:00,189 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:58:00,211 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-06 18:58:00,211 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-06 18:58:00,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:58:00,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:58:00,213 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 18:58:00,215 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 18:58:00,216 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-06 18:58:00,216 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 18:58:00,232 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2025-02-06 18:58:00,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:58:00,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:58:00,234 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 18:58:00,235 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 18:58:00,236 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-06 18:58:00,236 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 18:58:00,271 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-06 18:58:00,275 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2025-02-06 18:58:00,275 INFO L204 LassoAnalysis]: Preferences: [2025-02-06 18:58:00,275 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-06 18:58:00,275 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-06 18:58:00,275 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-06 18:58:00,276 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-06 18:58:00,276 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:58:00,276 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-06 18:58:00,276 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-06 18:58:00,276 INFO L132 ssoRankerPreferences]: Filename of dumped script: and-06.c_Iteration4_Loop [2025-02-06 18:58:00,276 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-06 18:58:00,276 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-06 18:58:00,276 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:58:00,279 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:58:00,283 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:58:00,285 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:58:00,310 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-06 18:58:00,310 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-06 18:58:00,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:58:00,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:58:00,312 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 18:58:00,316 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 18:58:00,316 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 18:58:00,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 18:58:00,326 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 18:58:00,326 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 18:58:00,326 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 18:58:00,326 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 18:58:00,327 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 18:58:00,327 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 18:58:00,331 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 18:58:00,337 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 18:58:00,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:58:00,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:58:00,339 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 18:58:00,340 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 18:58:00,342 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 18:58:00,352 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 18:58:00,352 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 18:58:00,352 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 18:58:00,352 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 18:58:00,352 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 18:58:00,352 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 18:58:00,352 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 18:58:00,354 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-06 18:58:00,356 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2025-02-06 18:58:00,356 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-02-06 18:58:00,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:58:00,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:58:00,360 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 18:58:00,361 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 18:58:00,361 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-06 18:58:00,361 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-02-06 18:58:00,362 INFO L474 LassoAnalysis]: Proved termination. [2025-02-06 18:58:00,362 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2025-02-06 18:58:00,367 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2025-02-06 18:58:00,368 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-02-06 18:58:00,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:58:00,383 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-06 18:58:00,383 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-06 18:58:00,384 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:58:00,384 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:58:00,384 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-06 18:58:00,384 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:58:00,390 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-06 18:58:00,393 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-06 18:58:00,393 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:58:00,393 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:58:00,393 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 18:58:00,394 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:58:00,483 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 18:58:00,483 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2025-02-06 18:58:00,484 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 45 states and 61 transitions. cyclomatic complexity: 20 Second operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 18:58:00,526 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 45 states and 61 transitions. cyclomatic complexity: 20. Second operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 118 states and 152 transitions. Complement of second has 11 states. [2025-02-06 18:58:00,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2025-02-06 18:58:00,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 18:58:00,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 20 transitions. [2025-02-06 18:58:00,528 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 20 transitions. Stem has 4 letters. Loop has 6 letters. [2025-02-06 18:58:00,528 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 18:58:00,528 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 20 transitions. Stem has 10 letters. Loop has 6 letters. [2025-02-06 18:58:00,528 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 18:58:00,528 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 20 transitions. Stem has 4 letters. Loop has 12 letters. [2025-02-06 18:58:00,528 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 18:58:00,529 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 118 states and 152 transitions. [2025-02-06 18:58:00,530 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2025-02-06 18:58:00,531 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 118 states to 86 states and 114 transitions. [2025-02-06 18:58:00,531 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2025-02-06 18:58:00,531 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2025-02-06 18:58:00,531 INFO L73 IsDeterministic]: Start isDeterministic. Operand 86 states and 114 transitions. [2025-02-06 18:58:00,531 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-06 18:58:00,531 INFO L218 hiAutomatonCegarLoop]: Abstraction has 86 states and 114 transitions. [2025-02-06 18:58:00,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states and 114 transitions. [2025-02-06 18:58:00,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 73. [2025-02-06 18:58:00,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 73 states have (on average 1.3424657534246576) internal successors, (98), 72 states have internal predecessors, (98), 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 18:58:00,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 98 transitions. [2025-02-06 18:58:00,534 INFO L240 hiAutomatonCegarLoop]: Abstraction has 73 states and 98 transitions. [2025-02-06 18:58:00,534 INFO L432 stractBuchiCegarLoop]: Abstraction has 73 states and 98 transitions. [2025-02-06 18:58:00,534 INFO L338 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2025-02-06 18:58:00,534 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 73 states and 98 transitions. [2025-02-06 18:58:00,535 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2025-02-06 18:58:00,535 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 18:58:00,535 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 18:58:00,535 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1] [2025-02-06 18:58:00,535 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2025-02-06 18:58:00,536 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~post2#1, main_#t~bitwise3#1, main_#t~bitwise4#1, main_~a~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~x~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" "assume main_~x~0#1 > 0;main_#t~post2#1 := main_~a~0#1;main_~a~0#1 := main_#t~post2#1 - 1;havoc main_#t~post2#1;" "assume !(main_~a~0#1 > 0);" "assume 0 == main_~x~0#1 || 0 == main_~x~0#1 - 1;main_#t~bitwise4#1 := 0;" "main_~x~0#1 := main_#t~bitwise4#1;havoc main_#t~bitwise4#1;" "assume main_~x~0#1 > 0;main_#t~post2#1 := main_~a~0#1;main_~a~0#1 := main_#t~post2#1 - 1;havoc main_#t~post2#1;" [2025-02-06 18:58:00,536 INFO L754 eck$LassoCheckResult]: Loop: "assume !(main_~a~0#1 > 0);" "assume !(0 == main_~x~0#1 || 0 == main_~x~0#1 - 1);" "assume !(main_~x~0#1 == main_~x~0#1 - 1);" "havoc main_#t~bitwise4#1;assume (((((main_~x~0#1 < 0 && main_~x~0#1 - 1 >= 0) || main_#t~bitwise4#1 <= main_~x~0#1) && ((main_~x~0#1 >= 0 && main_~x~0#1 - 1 < 0) || main_#t~bitwise4#1 <= main_~x~0#1 - 1)) && ((main_~x~0#1 < 0 && main_~x~0#1 - 1 < 0) || main_#t~bitwise4#1 >= 0)) && ((main_~x~0#1 >= 0 && main_~x~0#1 - 1 >= 0) || main_#t~bitwise4#1 > main_~x~0#1 + (main_~x~0#1 - 1))) && main_#t~bitwise4#1 >= -2147483648;" "main_~x~0#1 := main_#t~bitwise4#1;havoc main_#t~bitwise4#1;" "assume main_~x~0#1 > 0;main_#t~post2#1 := main_~a~0#1;main_~a~0#1 := main_#t~post2#1 - 1;havoc main_#t~post2#1;" [2025-02-06 18:58:00,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:58:00,536 INFO L85 PathProgramCache]: Analyzing trace with hash -503771787, now seen corresponding path program 2 times [2025-02-06 18:58:00,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:58:00,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537722529] [2025-02-06 18:58:00,536 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 18:58:00,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:58:00,539 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 7 statements into 2 equivalence classes. [2025-02-06 18:58:00,541 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 18:58:00,541 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 18:58:00,541 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:58:00,557 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:58:00,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:58:00,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537722529] [2025-02-06 18:58:00,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537722529] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:58:00,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:58:00,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 18:58:00,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14200546] [2025-02-06 18:58:00,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:58:00,558 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-02-06 18:58:00,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:58:00,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1418074032, now seen corresponding path program 2 times [2025-02-06 18:58:00,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:58:00,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284698714] [2025-02-06 18:58:00,558 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 18:58:00,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:58:00,563 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 6 statements into 1 equivalence classes. [2025-02-06 18:58:00,566 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-06 18:58:00,566 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 18:58:00,566 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 18:58:00,566 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 18:58:00,567 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-06 18:58:00,569 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-06 18:58:00,569 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:58:00,569 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 18:58:00,570 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 18:58:00,608 INFO L204 LassoAnalysis]: Preferences: [2025-02-06 18:58:00,608 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-06 18:58:00,608 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-06 18:58:00,608 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-06 18:58:00,608 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-06 18:58:00,608 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:58:00,608 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-06 18:58:00,608 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-06 18:58:00,608 INFO L132 ssoRankerPreferences]: Filename of dumped script: and-06.c_Iteration5_Loop [2025-02-06 18:58:00,608 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-06 18:58:00,609 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-06 18:58:00,609 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:58:00,613 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:58:00,615 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:58:00,617 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:58:00,641 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-06 18:58:00,641 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-06 18:58:00,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:58:00,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:58:00,643 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 18:58:00,645 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 18:58:00,646 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-06 18:58:00,646 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 18:58:00,661 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 18:58:00,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:58:00,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:58:00,664 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 18:58:00,665 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 18:58:00,666 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-06 18:58:00,666 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 18:58:00,691 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-06 18:58:00,691 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~a~0#1=0} Honda state: {ULTIMATE.start_main_~a~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_main_~a~0#1=0}, {ULTIMATE.start_main_~a~0#1=-1}, {ULTIMATE.start_main_~a~0#1=0}] Lambdas: [11, 1, 1] Nus: [0, 1] [2025-02-06 18:58:00,697 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 18:58:00,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:58:00,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:58:00,699 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 18:58:00,701 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 18:58:00,701 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-06 18:58:00,701 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 18:58:00,712 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-06 18:58:00,712 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post2#1=0} Honda state: {ULTIMATE.start_main_#t~post2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-06 18:58:00,718 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2025-02-06 18:58:00,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:58:00,718 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:58:00,721 INFO L229 MonitoredProcess]: Starting monitored process 20 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 18:58:00,733 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2025-02-06 18:58:00,735 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-06 18:58:00,735 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 18:58:00,740 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2025-02-06 18:58:00,747 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2025-02-06 18:58:00,751 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-06 18:58:00,751 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~bitwise4#1=0} Honda state: {ULTIMATE.start_main_#t~bitwise4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-06 18:58:00,757 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2025-02-06 18:58:00,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:58:00,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:58:00,759 INFO L229 MonitoredProcess]: Starting monitored process 21 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 18:58:00,760 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2025-02-06 18:58:00,761 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-06 18:58:00,761 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 18:58:00,779 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2025-02-06 18:58:00,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:58:00,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:58:00,781 INFO L229 MonitoredProcess]: Starting monitored process 22 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 18:58:00,782 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2025-02-06 18:58:00,783 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-06 18:58:00,783 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 18:58:00,817 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-06 18:58:00,821 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2025-02-06 18:58:00,821 INFO L204 LassoAnalysis]: Preferences: [2025-02-06 18:58:00,821 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-06 18:58:00,821 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-06 18:58:00,822 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-06 18:58:00,822 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-06 18:58:00,822 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:58:00,822 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-06 18:58:00,822 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-06 18:58:00,822 INFO L132 ssoRankerPreferences]: Filename of dumped script: and-06.c_Iteration5_Loop [2025-02-06 18:58:00,822 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-06 18:58:00,822 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-06 18:58:00,822 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:58:00,827 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:58:00,829 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:58:00,831 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:58:00,856 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-06 18:58:00,856 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-06 18:58:00,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:58:00,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:58:00,861 INFO L229 MonitoredProcess]: Starting monitored process 23 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 18:58:00,862 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2025-02-06 18:58:00,865 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 18:58:00,875 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 18:58:00,875 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 18:58:00,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 18:58:00,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 18:58:00,875 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 18:58:00,876 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 18:58:00,876 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 18:58:00,878 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 18:58:00,883 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2025-02-06 18:58:00,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:58:00,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:58:00,886 INFO L229 MonitoredProcess]: Starting monitored process 24 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 18:58:00,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2025-02-06 18:58:00,887 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 18:58:00,897 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 18:58:00,897 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 18:58:00,897 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 18:58:00,897 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 18:58:00,897 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 18:58:00,898 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 18:58:00,898 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 18:58:00,899 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 18:58:00,904 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2025-02-06 18:58:00,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:58:00,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:58:00,906 INFO L229 MonitoredProcess]: Starting monitored process 25 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 18:58:00,908 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2025-02-06 18:58:00,909 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 18:58:00,918 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 18:58:00,918 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 18:58:00,918 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 18:58:00,918 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 18:58:00,918 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 18:58:00,919 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 18:58:00,919 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 18:58:00,920 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 18:58:00,925 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2025-02-06 18:58:00,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:58:00,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:58:00,927 INFO L229 MonitoredProcess]: Starting monitored process 26 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 18:58:00,929 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2025-02-06 18:58:00,929 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 18:58:00,939 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 18:58:00,939 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 18:58:00,939 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 18:58:00,939 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 18:58:00,939 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 18:58:00,940 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 18:58:00,940 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 18:58:00,942 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-06 18:58:00,944 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2025-02-06 18:58:00,944 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2025-02-06 18:58:00,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:58:00,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:58:00,947 INFO L229 MonitoredProcess]: Starting monitored process 27 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 18:58:00,947 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2025-02-06 18:58:00,948 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-06 18:58:00,948 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-02-06 18:58:00,948 INFO L474 LassoAnalysis]: Proved termination. [2025-02-06 18:58:00,948 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2025-02-06 18:58:00,981 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2025-02-06 18:58:00,982 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-02-06 18:58:00,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:58:00,994 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 18:58:00,995 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 18:58:00,995 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:58:00,995 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:58:00,996 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-06 18:58:00,996 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:58:01,004 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-06 18:58:01,006 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-06 18:58:01,006 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:58:01,006 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:58:01,006 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 18:58:01,007 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:58:01,088 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 18:58:01,088 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2025-02-06 18:58:01,090 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 73 states and 98 transitions. cyclomatic complexity: 33 Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 18:58:01,127 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 73 states and 98 transitions. cyclomatic complexity: 33. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 139 states and 179 transitions. Complement of second has 11 states. [2025-02-06 18:58:01,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2025-02-06 18:58:01,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 18:58:01,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 12 transitions. [2025-02-06 18:58:01,128 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 12 transitions. Stem has 7 letters. Loop has 6 letters. [2025-02-06 18:58:01,128 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 18:58:01,128 INFO L689 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2025-02-06 18:58:01,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:58:01,139 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 18:58:01,140 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 18:58:01,140 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:58:01,140 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:58:01,141 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-06 18:58:01,141 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:58:01,149 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-06 18:58:01,151 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-06 18:58:01,151 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:58:01,151 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:58:01,151 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 18:58:01,151 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:58:01,213 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 18:58:01,214 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 4 loop predicates [2025-02-06 18:58:01,214 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 73 states and 98 transitions. cyclomatic complexity: 33 Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 18:58:01,250 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 73 states and 98 transitions. cyclomatic complexity: 33. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 139 states and 179 transitions. Complement of second has 11 states. [2025-02-06 18:58:01,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2025-02-06 18:58:01,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 18:58:01,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 12 transitions. [2025-02-06 18:58:01,251 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 12 transitions. Stem has 7 letters. Loop has 6 letters. [2025-02-06 18:58:01,251 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 18:58:01,251 INFO L689 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2025-02-06 18:58:01,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:58:01,261 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 18:58:01,262 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 18:58:01,262 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:58:01,262 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:58:01,262 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-06 18:58:01,262 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:58:01,270 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-06 18:58:01,271 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-06 18:58:01,271 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:58:01,271 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:58:01,271 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 18:58:01,272 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:58:01,325 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 18:58:01,326 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2025-02-06 18:58:01,326 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 73 states and 98 transitions. cyclomatic complexity: 33 Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 18:58:01,360 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 73 states and 98 transitions. cyclomatic complexity: 33. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 137 states and 178 transitions. Complement of second has 10 states. [2025-02-06 18:58:01,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2025-02-06 18:58:01,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 18:58:01,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 25 transitions. [2025-02-06 18:58:01,361 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 7 letters. Loop has 6 letters. [2025-02-06 18:58:01,361 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 18:58:01,361 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 13 letters. Loop has 6 letters. [2025-02-06 18:58:01,361 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 18:58:01,361 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 7 letters. Loop has 12 letters. [2025-02-06 18:58:01,362 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 18:58:01,362 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 137 states and 178 transitions. [2025-02-06 18:58:01,363 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-06 18:58:01,364 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 137 states to 0 states and 0 transitions. [2025-02-06 18:58:01,364 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-02-06 18:58:01,364 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-02-06 18:58:01,364 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-02-06 18:58:01,364 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 18:58:01,364 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-06 18:58:01,364 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-06 18:58:01,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:58:01,364 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 18:58:01,364 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 18:58:01,364 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 18:58:01,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:58:01,364 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2025-02-06 18:58:01,364 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2025-02-06 18:58:01,364 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-06 18:58:01,364 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2025-02-06 18:58:01,364 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-02-06 18:58:01,364 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-02-06 18:58:01,364 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-02-06 18:58:01,364 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 18:58:01,365 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-06 18:58:01,365 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-06 18:58:01,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 18:58:01,365 INFO L432 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-06 18:58:01,365 INFO L338 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2025-02-06 18:58:01,365 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-02-06 18:58:01,365 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-06 18:58:01,365 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-02-06 18:58:01,371 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.02 06:58:01 BoogieIcfgContainer [2025-02-06 18:58:01,371 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-02-06 18:58:01,371 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 18:58:01,371 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 18:58:01,371 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 18:58:01,372 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 06:57:58" (3/4) ... [2025-02-06 18:58:01,373 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-06 18:58:01,374 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 18:58:01,374 INFO L158 Benchmark]: Toolchain (without parser) took 2756.72ms. Allocated memory is still 142.6MB. Free memory was 108.4MB in the beginning and 55.9MB in the end (delta: 52.5MB). Peak memory consumption was 52.6MB. Max. memory is 16.1GB. [2025-02-06 18:58:01,374 INFO L158 Benchmark]: CDTParser took 0.87ms. Allocated memory is still 201.3MB. Free memory is still 127.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 18:58:01,374 INFO L158 Benchmark]: CACSL2BoogieTranslator took 137.76ms. Allocated memory is still 142.6MB. Free memory was 108.4MB in the beginning and 98.6MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 18:58:01,374 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.25ms. Allocated memory is still 142.6MB. Free memory was 98.6MB in the beginning and 97.7MB in the end (delta: 944.1kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 18:58:01,375 INFO L158 Benchmark]: Boogie Preprocessor took 16.38ms. Allocated memory is still 142.6MB. Free memory was 97.7MB in the beginning and 96.7MB in the end (delta: 968.0kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 18:58:01,375 INFO L158 Benchmark]: IcfgBuilder took 171.58ms. Allocated memory is still 142.6MB. Free memory was 96.7MB in the beginning and 85.7MB in the end (delta: 11.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 18:58:01,375 INFO L158 Benchmark]: BuchiAutomizer took 2403.21ms. Allocated memory is still 142.6MB. Free memory was 84.7MB in the beginning and 56.8MB in the end (delta: 27.9MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2025-02-06 18:58:01,375 INFO L158 Benchmark]: Witness Printer took 2.56ms. Allocated memory is still 142.6MB. Free memory was 56.8MB in the beginning and 55.9MB in the end (delta: 839.3kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 18:58:01,376 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.87ms. Allocated memory is still 201.3MB. Free memory is still 127.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 137.76ms. Allocated memory is still 142.6MB. Free memory was 108.4MB in the beginning and 98.6MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.25ms. Allocated memory is still 142.6MB. Free memory was 98.6MB in the beginning and 97.7MB in the end (delta: 944.1kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.38ms. Allocated memory is still 142.6MB. Free memory was 97.7MB in the beginning and 96.7MB in the end (delta: 968.0kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 171.58ms. Allocated memory is still 142.6MB. Free memory was 96.7MB in the beginning and 85.7MB in the end (delta: 11.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 2403.21ms. Allocated memory is still 142.6MB. Free memory was 84.7MB in the beginning and 56.8MB in the end (delta: 27.9MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. * Witness Printer took 2.56ms. Allocated memory is still 142.6MB. Free memory was 56.8MB in the beginning and 55.9MB in the end (delta: 839.3kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (2 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function x and consists of 6 locations. One deterministic module has affine ranking function a and consists of 4 locations. One deterministic module has affine ranking function x and consists of 6 locations. One nondeterministic module has affine ranking function x and consists of 6 locations. 2 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.3s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 1.5s. Construction of modules took 0.1s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 28 StatesRemovedByMinimization, 3 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 [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 103 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 97 mSDsluCounter, 150 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 79 mSDsCounter, 28 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 238 IncrementalHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 28 mSolverCounterUnsat, 71 mSDtfsCounter, 238 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT3 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital17 mio100 ax100 hnf100 lsp68 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq166 hnf92 smp100 dnf100 smp100 tf111 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 38ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s 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 18:58:01,386 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2025-02-06 18:58:01,591 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE