./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-bwb/or-05-false.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/or-05-false.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 845007623a36603ce9e482c6d1c5ed14d19fc3060912cf335e291aaec83159aa --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 18:58:09,709 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 18:58:09,767 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2025-02-06 18:58:09,772 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 18:58:09,772 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 18:58:09,772 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-02-06 18:58:09,791 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 18:58:09,792 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 18:58:09,792 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 18:58:09,792 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 18:58:09,793 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 18:58:09,793 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 18:58:09,793 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 18:58:09,793 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 18:58:09,794 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-02-06 18:58:09,794 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-02-06 18:58:09,794 INFO L153 SettingsManager]: * Use old map elimination=false [2025-02-06 18:58:09,794 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-02-06 18:58:09,794 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-02-06 18:58:09,794 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-02-06 18:58:09,794 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 18:58:09,794 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-02-06 18:58:09,794 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 18:58:09,794 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 18:58:09,795 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-02-06 18:58:09,795 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-02-06 18:58:09,795 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-02-06 18:58:09,795 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 18:58:09,795 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 18:58:09,795 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-02-06 18:58:09,795 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 18:58:09,795 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 18:58:09,795 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 18:58:09,795 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 18:58:09,796 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 18:58:09,796 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 18:58:09,796 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-02-06 18:58:09,796 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 -> 845007623a36603ce9e482c6d1c5ed14d19fc3060912cf335e291aaec83159aa [2025-02-06 18:58:10,041 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 18:58:10,049 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 18:58:10,052 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 18:58:10,052 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 18:58:10,053 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 18:58:10,054 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-bwb/or-05-false.c [2025-02-06 18:58:11,235 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/71841d413/03efcc5db9dd4e229acd2c99fed08b03/FLAGaa561a225 [2025-02-06 18:58:11,422 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 18:58:11,422 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/termination-bwb/or-05-false.c [2025-02-06 18:58:11,426 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/71841d413/03efcc5db9dd4e229acd2c99fed08b03/FLAGaa561a225 [2025-02-06 18:58:11,799 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/71841d413/03efcc5db9dd4e229acd2c99fed08b03 [2025-02-06 18:58:11,808 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 18:58:11,809 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 18:58:11,811 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 18:58:11,811 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 18:58:11,815 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 18:58:11,817 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 06:58:11" (1/1) ... [2025-02-06 18:58:11,817 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@634d8c38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:58:11, skipping insertion in model container [2025-02-06 18:58:11,818 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 06:58:11" (1/1) ... [2025-02-06 18:58:11,829 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 18:58:11,920 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 18:58:11,923 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 18:58:11,930 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 18:58:11,940 INFO L204 MainTranslator]: Completed translation [2025-02-06 18:58:11,940 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:58:11 WrapperNode [2025-02-06 18:58:11,940 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 18:58:11,941 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 18:58:11,942 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 18:58:11,942 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 18:58:11,948 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:58:11" (1/1) ... [2025-02-06 18:58:11,950 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:58:11" (1/1) ... [2025-02-06 18:58:11,960 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 24 [2025-02-06 18:58:11,962 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 18:58:11,963 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 18:58:11,963 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 18:58:11,963 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 18:58:11,968 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:58:11" (1/1) ... [2025-02-06 18:58:11,968 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:58:11" (1/1) ... [2025-02-06 18:58:11,969 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:58:11" (1/1) ... [2025-02-06 18:58:11,974 INFO L175 MemorySlicer]: No memory access in input program. [2025-02-06 18:58:11,974 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:58:11" (1/1) ... [2025-02-06 18:58:11,974 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:58:11" (1/1) ... [2025-02-06 18:58:11,975 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:58:11" (1/1) ... [2025-02-06 18:58:11,976 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:58:11" (1/1) ... [2025-02-06 18:58:11,977 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:58:11" (1/1) ... [2025-02-06 18:58:11,977 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:58:11" (1/1) ... [2025-02-06 18:58:11,978 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 18:58:11,979 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 18:58:11,980 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 18:58:11,980 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 18:58:11,981 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:58:11" (1/1) ... [2025-02-06 18:58:11,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:58:11,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:58:12,006 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 18:58:12,013 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 18:58:12,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 18:58:12,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 18:58:12,065 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 18:58:12,067 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 18:58:12,176 INFO L? ?]: Removed 3 outVars from TransFormulas that were not future-live. [2025-02-06 18:58:12,176 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 18:58:12,192 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 18:58:12,192 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 18:58:12,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 06:58:12 BoogieIcfgContainer [2025-02-06 18:58:12,193 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 18:58:12,194 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-02-06 18:58:12,194 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-02-06 18:58:12,198 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-02-06 18:58:12,199 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 18:58:12,199 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.02 06:58:11" (1/3) ... [2025-02-06 18:58:12,200 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3eb2766d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.02 06:58:12, skipping insertion in model container [2025-02-06 18:58:12,200 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 18:58:12,200 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:58:11" (2/3) ... [2025-02-06 18:58:12,200 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3eb2766d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.02 06:58:12, skipping insertion in model container [2025-02-06 18:58:12,200 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 18:58:12,200 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 06:58:12" (3/3) ... [2025-02-06 18:58:12,201 INFO L363 chiAutomizerObserver]: Analyzing ICFG or-05-false.c [2025-02-06 18:58:12,243 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-02-06 18:58:12,244 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-02-06 18:58:12,244 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-02-06 18:58:12,244 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-02-06 18:58:12,244 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-02-06 18:58:12,244 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-02-06 18:58:12,245 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-02-06 18:58:12,245 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-02-06 18:58:12,248 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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 18:58:12,260 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2025-02-06 18:58:12,261 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 18:58:12,261 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 18:58:12,264 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2025-02-06 18:58:12,264 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-06 18:58:12,265 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-02-06 18:58:12,265 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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 18:58:12,266 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2025-02-06 18:58:12,266 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 18:58:12,266 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 18:58:12,266 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2025-02-06 18:58:12,266 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-06 18:58:12,271 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~bitwise1#1, main_~y~0#1, main_~x~0#1;havoc main_~y~0#1;havoc main_~x~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := 0;" [2025-02-06 18:58:12,271 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~x~0#1 > 0;" "assume !(1 == main_~y~0#1);main_~y~0#1 := 1;main_~x~0#1 := main_~x~0#1 + main_~y~0#1;" [2025-02-06 18:58:12,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:58:12,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1408, now seen corresponding path program 1 times [2025-02-06 18:58:12,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:58:12,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425778626] [2025-02-06 18:58:12,281 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:58:12,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:58:12,321 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 18:58:12,325 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 18:58:12,326 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:58:12,326 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 18:58:12,327 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 18:58:12,330 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 18:58:12,331 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 18:58:12,331 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:58:12,331 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 18:58:12,340 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 18:58:12,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:58:12,343 INFO L85 PathProgramCache]: Analyzing trace with hash 1343, now seen corresponding path program 1 times [2025-02-06 18:58:12,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:58:12,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826515511] [2025-02-06 18:58:12,344 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:58:12,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:58:12,348 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 18:58:12,353 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 18:58:12,354 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:58:12,354 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 18:58:12,354 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 18:58:12,359 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 18:58:12,364 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 18:58:12,364 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:58:12,364 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 18:58:12,365 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 18:58:12,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:58:12,366 INFO L85 PathProgramCache]: Analyzing trace with hash 1353470, now seen corresponding path program 1 times [2025-02-06 18:58:12,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:58:12,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060858727] [2025-02-06 18:58:12,366 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:58:12,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:58:12,373 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-06 18:58:12,375 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-06 18:58:12,375 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:58:12,375 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 18:58:12,375 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 18:58:12,380 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-06 18:58:12,383 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-06 18:58:12,383 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:58:12,383 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 18:58:12,386 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 18:58:12,473 INFO L204 LassoAnalysis]: Preferences: [2025-02-06 18:58:12,474 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-06 18:58:12,474 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-06 18:58:12,474 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-06 18:58:12,474 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-06 18:58:12,474 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:58:12,475 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-06 18:58:12,475 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-06 18:58:12,479 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-05-false.c_Iteration1_Loop [2025-02-06 18:58:12,479 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-06 18:58:12,479 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-06 18:58:12,487 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:58:12,496 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:58:12,548 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-06 18:58:12,548 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-06 18:58:12,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:58:12,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:58:12,551 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 18:58:12,553 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 18:58:12,554 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-06 18:58:12,554 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 18:58:12,579 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 18:58:12,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:58:12,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:58:12,582 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 18:58:12,582 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 18:58:12,584 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-06 18:58:12,585 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 18:58:12,613 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-06 18:58:12,617 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2025-02-06 18:58:12,617 INFO L204 LassoAnalysis]: Preferences: [2025-02-06 18:58:12,617 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-06 18:58:12,617 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-06 18:58:12,617 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-06 18:58:12,617 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-06 18:58:12,617 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:58:12,617 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-06 18:58:12,617 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-06 18:58:12,617 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-05-false.c_Iteration1_Loop [2025-02-06 18:58:12,617 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-06 18:58:12,617 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-06 18:58:12,618 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:58:12,625 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:58:12,665 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-06 18:58:12,668 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-06 18:58:12,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:58:12,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:58:12,672 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 18:58:12,673 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 18:58:12,674 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 18:58:12,685 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 18:58:12,685 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 18:58:12,686 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 18:58:12,686 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2025-02-06 18:58:12,686 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 18:58:12,692 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2025-02-06 18:58:12,692 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 18:58:12,698 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 18:58:12,703 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2025-02-06 18:58:12,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:58:12,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:58:12,706 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 18:58:12,707 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 18:58:12,709 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 18:58:12,720 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 18:58:12,720 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 18:58:12,720 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 18:58:12,721 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 18:58:12,721 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 18:58:12,722 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 18:58:12,722 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 18:58:12,728 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 18:58:12,734 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 18:58:12,734 INFO L451 LassoAnalysis]: Using template '2-nested'. [2025-02-06 18:58:12,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:58:12,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:58:12,736 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 18:58:12,737 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 18:58:12,738 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 18:58:12,748 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 18:58:12,749 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 18:58:12,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 18:58:12,749 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2025-02-06 18:58:12,749 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2025-02-06 18:58:12,751 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 18:58:12,751 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 18:58:12,758 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 18:58:12,768 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2025-02-06 18:58:12,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:58:12,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:58:12,770 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 18:58:12,771 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 18:58:12,775 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 18:58:12,786 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 18:58:12,786 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 18:58:12,786 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 18:58:12,786 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 18:58:12,786 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2025-02-06 18:58:12,788 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2025-02-06 18:58:12,788 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 18:58:12,790 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 18:58:12,796 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 18:58:12,796 INFO L451 LassoAnalysis]: Using template '3-nested'. [2025-02-06 18:58:12,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:58:12,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:58:12,798 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 18:58:12,800 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 18:58:12,801 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 18:58:12,811 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 18:58:12,811 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 18:58:12,811 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 18:58:12,811 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2025-02-06 18:58:12,811 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2025-02-06 18:58:12,814 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2025-02-06 18:58:12,814 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 18:58:12,817 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 18:58:12,823 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2025-02-06 18:58:12,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:58:12,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:58:12,830 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 18:58:12,831 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 18:58:12,831 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 18:58:12,841 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 18:58:12,842 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 18:58:12,842 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 18:58:12,842 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 18:58:12,842 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2025-02-06 18:58:12,843 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2025-02-06 18:58:12,843 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 18:58:12,846 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 18:58:12,851 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 18:58:12,851 INFO L451 LassoAnalysis]: Using template '4-nested'. [2025-02-06 18:58:12,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:58:12,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:58:12,854 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 18:58:12,855 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 18:58:12,855 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 18:58:12,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 18:58:12,866 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 18:58:12,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 18:58:12,866 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2025-02-06 18:58:12,866 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2025-02-06 18:58:12,876 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2025-02-06 18:58:12,878 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 18:58:12,889 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 18:58:12,898 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2025-02-06 18:58:12,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:58:12,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:58:12,900 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 18:58:12,900 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 18:58:12,902 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 18:58:12,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 18:58:12,913 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 18:58:12,913 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 18:58:12,913 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 18:58:12,913 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2025-02-06 18:58:12,914 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2025-02-06 18:58:12,914 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 18:58:12,919 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 18:58:12,925 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 18:58:12,925 INFO L451 LassoAnalysis]: Using template '2-phase'. [2025-02-06 18:58:12,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:58:12,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:58:12,927 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 18:58:12,928 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 18:58:12,930 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 18:58:12,940 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2025-02-06 18:58:12,940 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2025-02-06 18:58:12,940 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 18:58:12,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 18:58:12,940 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2025-02-06 18:58:12,940 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2025-02-06 18:58:12,942 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 18:58:12,942 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 18:58:12,948 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 18:58:12,954 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2025-02-06 18:58:12,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:58:12,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:58:12,956 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 18:58:12,957 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 18:58:12,958 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 18:58:12,968 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2025-02-06 18:58:12,968 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2025-02-06 18:58:12,969 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 18:58:12,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 18:58:12,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 18:58:12,969 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2025-02-06 18:58:12,970 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2025-02-06 18:58:12,970 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 18:58:12,974 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 18:58:12,981 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2025-02-06 18:58:12,981 INFO L451 LassoAnalysis]: Using template '3-phase'. [2025-02-06 18:58:12,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:58:12,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:58:12,983 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 18:58:12,983 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 18:58:12,985 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 18:58:12,996 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2025-02-06 18:58:12,996 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2025-02-06 18:58:12,996 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 18:58:12,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 18:58:12,996 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2025-02-06 18:58:12,996 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2025-02-06 18:58:13,000 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2025-02-06 18:58:13,000 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 18:58:13,008 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 18:58:13,014 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 18:58:13,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:58:13,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:58:13,016 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 18:58:13,017 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 18:58:13,018 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 18:58:13,028 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2025-02-06 18:58:13,029 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2025-02-06 18:58:13,029 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 18:58:13,029 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 18:58:13,029 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 18:58:13,029 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2025-02-06 18:58:13,030 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2025-02-06 18:58:13,031 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 18:58:13,040 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 18:58:13,045 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 18:58:13,045 INFO L451 LassoAnalysis]: Using template '4-phase'. [2025-02-06 18:58:13,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:58:13,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:58:13,049 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 18:58:13,054 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 18:58:13,055 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 18:58:13,066 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2025-02-06 18:58:13,066 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2025-02-06 18:58:13,066 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 18:58:13,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 18:58:13,066 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2025-02-06 18:58:13,066 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2025-02-06 18:58:13,071 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2025-02-06 18:58:13,071 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 18:58:13,083 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 18:58:13,091 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 18:58:13,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:58:13,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:58:13,092 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 18:58:13,093 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 18:58:13,096 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 18:58:13,107 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2025-02-06 18:58:13,107 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2025-02-06 18:58:13,107 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 18:58:13,107 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 18:58:13,107 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 18:58:13,107 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2025-02-06 18:58:13,110 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2025-02-06 18:58:13,110 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 18:58:13,119 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 18:58:13,125 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2025-02-06 18:58:13,125 INFO L451 LassoAnalysis]: Using template '2-lex'. [2025-02-06 18:58:13,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:58:13,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:58:13,131 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 18:58:13,132 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 18:58:13,136 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 18:58:13,147 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2025-02-06 18:58:13,147 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2025-02-06 18:58:13,147 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 18:58:13,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 18:58:13,147 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2025-02-06 18:58:13,147 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2025-02-06 18:58:13,150 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2025-02-06 18:58:13,150 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 18:58:13,156 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 18:58:13,162 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2025-02-06 18:58:13,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:58:13,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:58:13,164 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 18:58:13,165 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 18:58:13,167 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 18:58:13,177 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2025-02-06 18:58:13,177 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2025-02-06 18:58:13,177 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 18:58:13,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 18:58:13,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 18:58:13,177 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2025-02-06 18:58:13,178 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2025-02-06 18:58:13,179 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 18:58:13,182 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 18:58:13,188 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2025-02-06 18:58:13,188 INFO L451 LassoAnalysis]: Using template '3-lex'. [2025-02-06 18:58:13,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:58:13,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:58:13,190 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 18:58:13,191 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 18:58:13,192 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 18:58:13,202 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2025-02-06 18:58:13,203 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2025-02-06 18:58:13,203 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 18:58:13,203 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 18:58:13,203 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2025-02-06 18:58:13,203 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2025-02-06 18:58:13,207 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2025-02-06 18:58:13,207 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 18:58:13,229 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 18:58:13,235 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2025-02-06 18:58:13,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:58:13,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:58:13,237 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 18:58:13,238 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 18:58:13,240 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 18:58:13,250 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2025-02-06 18:58:13,251 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2025-02-06 18:58:13,251 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 18:58:13,251 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 18:58:13,251 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 18:58:13,251 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2025-02-06 18:58:13,252 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 18:58:13,253 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 18:58:13,258 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 18:58:13,264 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 18:58:13,269 INFO L204 LassoAnalysis]: Preferences: [2025-02-06 18:58:13,269 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-06 18:58:13,269 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-06 18:58:13,269 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-06 18:58:13,270 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-06 18:58:13,270 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:58:13,270 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-06 18:58:13,270 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-06 18:58:13,270 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-05-false.c_Iteration1_Lasso [2025-02-06 18:58:13,270 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-06 18:58:13,270 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-06 18:58:13,271 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:58:13,276 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:58:13,277 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:58:13,279 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:58:13,281 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:58:13,324 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-06 18:58:13,324 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-06 18:58:13,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:58:13,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:58:13,326 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 18:58:13,327 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 18:58:13,328 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-06 18:58:13,328 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 18:58:13,344 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2025-02-06 18:58:13,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:58:13,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:58:13,346 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 18:58:13,346 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 18:58:13,348 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-06 18:58:13,348 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 18:58:13,370 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-06 18:58:13,374 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2025-02-06 18:58:13,374 INFO L204 LassoAnalysis]: Preferences: [2025-02-06 18:58:13,374 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-06 18:58:13,374 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-06 18:58:13,374 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-06 18:58:13,374 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-06 18:58:13,374 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:58:13,374 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-06 18:58:13,374 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-06 18:58:13,374 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-05-false.c_Iteration1_Lasso [2025-02-06 18:58:13,374 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-06 18:58:13,374 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-06 18:58:13,376 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:58:13,381 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:58:13,383 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:58:13,384 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:58:13,386 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:58:13,428 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-06 18:58:13,428 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-06 18:58:13,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:58:13,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:58:13,430 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 18:58:13,432 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 18:58:13,433 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 18:58:13,443 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 18:58:13,443 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 18:58:13,443 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2025-02-06 18:58:13,443 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 18:58:13,448 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2025-02-06 18:58:13,448 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2025-02-06 18:58:13,458 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-06 18:58:13,469 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2025-02-06 18:58:13,471 INFO L444 ModelExtractionUtils]: 3 out of 11 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-02-06 18:58:13,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:58:13,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:58:13,474 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 18:58:13,476 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 18:58:13,477 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-06 18:58:13,490 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2025-02-06 18:58:13,490 INFO L474 LassoAnalysis]: Proved termination. [2025-02-06 18:58:13,490 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = -2*ULTIMATE.start_main_~y~0#1 + 3 Supporting invariants [-1*ULTIMATE.start_main_~y~0#1 + 1 >= 0] [2025-02-06 18:58:13,499 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2025-02-06 18:58:13,503 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2025-02-06 18:58:13,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:58:13,534 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 18:58:13,535 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 18:58:13,535 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:58:13,535 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:58:13,536 WARN L254 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 18:58:13,536 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:58:13,542 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 18:58:13,544 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 18:58:13,544 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:58:13,544 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:58:13,544 WARN L254 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 18:58:13,544 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:58:13,558 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 18:58:13,574 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2025-02-06 18:58:13,575 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 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 18:58:13,619 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 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) Result 22 states and 33 transitions. Complement of second has 5 states. [2025-02-06 18:58:13,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2025-02-06 18:58:13,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 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 18:58:13,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 14 transitions. [2025-02-06 18:58:13,626 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 2 letters. Loop has 2 letters. [2025-02-06 18:58:13,626 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 18:58:13,626 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 4 letters. Loop has 2 letters. [2025-02-06 18:58:13,626 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 18:58:13,626 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 2 letters. Loop has 4 letters. [2025-02-06 18:58:13,627 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 18:58:13,627 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 33 transitions. [2025-02-06 18:58:13,628 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2025-02-06 18:58:13,629 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 17 states and 24 transitions. [2025-02-06 18:58:13,630 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2025-02-06 18:58:13,630 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2025-02-06 18:58:13,630 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 24 transitions. [2025-02-06 18:58:13,630 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-06 18:58:13,630 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 24 transitions. [2025-02-06 18:58:13,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 24 transitions. [2025-02-06 18:58:13,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2025-02-06 18:58:13,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.4375) internal successors, (23), 15 states have internal predecessors, (23), 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 18:58:13,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 23 transitions. [2025-02-06 18:58:13,643 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 23 transitions. [2025-02-06 18:58:13,643 INFO L432 stractBuchiCegarLoop]: Abstraction has 16 states and 23 transitions. [2025-02-06 18:58:13,644 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-02-06 18:58:13,644 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 23 transitions. [2025-02-06 18:58:13,644 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2025-02-06 18:58:13,644 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 18:58:13,644 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 18:58:13,644 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-02-06 18:58:13,644 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2025-02-06 18:58:13,645 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~bitwise1#1, main_~y~0#1, main_~x~0#1;havoc main_~y~0#1;havoc main_~x~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := 0;" "assume main_~x~0#1 > 0;" [2025-02-06 18:58:13,645 INFO L754 eck$LassoCheckResult]: Loop: "assume 1 == main_~y~0#1;" "assume 0 == main_~y~0#1 || main_~y~0#1 == 1 + main_~y~0#1;main_#t~bitwise1#1 := 1 + main_~y~0#1;" "main_~x~0#1 := main_#t~bitwise1#1;havoc main_#t~bitwise1#1;main_~x~0#1 := main_~x~0#1 + main_~y~0#1;" "assume main_~x~0#1 > 0;" [2025-02-06 18:58:13,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:58:13,645 INFO L85 PathProgramCache]: Analyzing trace with hash 43660, now seen corresponding path program 1 times [2025-02-06 18:58:13,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:58:13,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063047106] [2025-02-06 18:58:13,645 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:58:13,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:58:13,647 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-06 18:58:13,647 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 18:58:13,648 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:58:13,648 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 18:58:13,648 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 18:58:13,648 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-06 18:58:13,649 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 18:58:13,649 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:58:13,649 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 18:58:13,649 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 18:58:13,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:58:13,649 INFO L85 PathProgramCache]: Analyzing trace with hash 1255171, now seen corresponding path program 1 times [2025-02-06 18:58:13,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:58:13,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321238885] [2025-02-06 18:58:13,650 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:58:13,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:58:13,651 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-06 18:58:13,652 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-06 18:58:13,652 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:58:13,652 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:58:13,673 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 18:58:13,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:58:13,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321238885] [2025-02-06 18:58:13,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321238885] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:58:13,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:58:13,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 18:58:13,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114378530] [2025-02-06 18:58:13,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:58:13,675 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-02-06 18:58:13,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:58:13,676 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 18:58:13,677 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 18:58:13,677 INFO L87 Difference]: Start difference. First operand 16 states and 23 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 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 18:58:13,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:58:13,688 INFO L93 Difference]: Finished difference Result 18 states and 22 transitions. [2025-02-06 18:58:13,688 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 22 transitions. [2025-02-06 18:58:13,688 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2025-02-06 18:58:13,689 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 18 states and 22 transitions. [2025-02-06 18:58:13,689 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2025-02-06 18:58:13,689 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2025-02-06 18:58:13,689 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 22 transitions. [2025-02-06 18:58:13,689 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-06 18:58:13,689 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 22 transitions. [2025-02-06 18:58:13,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 22 transitions. [2025-02-06 18:58:13,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 16. [2025-02-06 18:58:13,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.1875) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 18:58:13,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2025-02-06 18:58:13,690 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 19 transitions. [2025-02-06 18:58:13,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 18:58:13,691 INFO L432 stractBuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2025-02-06 18:58:13,691 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-02-06 18:58:13,691 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 19 transitions. [2025-02-06 18:58:13,691 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2025-02-06 18:58:13,691 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 18:58:13,691 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 18:58:13,691 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-02-06 18:58:13,691 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2025-02-06 18:58:13,691 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~bitwise1#1, main_~y~0#1, main_~x~0#1;havoc main_~y~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;main_~y~0#1 := 0;" "assume main_~x~0#1 > 0;" [2025-02-06 18:58:13,691 INFO L754 eck$LassoCheckResult]: Loop: "assume 1 == main_~y~0#1;" "assume !(0 == main_~y~0#1 || main_~y~0#1 == 1 + main_~y~0#1);" "assume !(0 == 1 + main_~y~0#1);" "havoc main_#t~bitwise1#1;assume (((((main_~y~0#1 < 0 && 1 + main_~y~0#1 >= 0) || main_#t~bitwise1#1 >= 1 + main_~y~0#1) && ((main_~y~0#1 >= 0 && 1 + main_~y~0#1 < 0) || main_#t~bitwise1#1 >= main_~y~0#1)) && ((main_~y~0#1 < 0 || 1 + main_~y~0#1 < 0) || main_#t~bitwise1#1 <= main_~y~0#1 + (1 + main_~y~0#1))) && ((main_~y~0#1 >= 0 && 1 + main_~y~0#1 >= 0) || main_#t~bitwise1#1 < 0)) && main_#t~bitwise1#1 <= 2147483647;" "main_~x~0#1 := main_#t~bitwise1#1;havoc main_#t~bitwise1#1;main_~x~0#1 := main_~x~0#1 + main_~y~0#1;" "assume main_~x~0#1 > 0;" [2025-02-06 18:58:13,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:58:13,691 INFO L85 PathProgramCache]: Analyzing trace with hash 43660, now seen corresponding path program 2 times [2025-02-06 18:58:13,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:58:13,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475166772] [2025-02-06 18:58:13,692 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 18:58:13,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:58:13,693 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 3 statements into 1 equivalence classes. [2025-02-06 18:58:13,694 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 18:58:13,694 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 18:58:13,694 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 18:58:13,694 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 18:58:13,695 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-06 18:58:13,695 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 18:58:13,695 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:58:13,695 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 18:58:13,696 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 18:58:13,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:58:13,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1210989840, now seen corresponding path program 1 times [2025-02-06 18:58:13,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:58:13,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497154633] [2025-02-06 18:58:13,696 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:58:13,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:58:13,698 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-06 18:58:13,701 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-06 18:58:13,701 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:58:13,701 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 18:58:13,702 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 18:58:13,702 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-06 18:58:13,705 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-06 18:58:13,705 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:58:13,705 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 18:58:13,705 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 18:58:13,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:58:13,706 INFO L85 PathProgramCache]: Analyzing trace with hash -460745893, now seen corresponding path program 1 times [2025-02-06 18:58:13,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:58:13,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237031407] [2025-02-06 18:58:13,706 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:58:13,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:58:13,713 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-06 18:58:13,714 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-06 18:58:13,715 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:58:13,715 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:58:13,727 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 18:58:13,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:58:13,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237031407] [2025-02-06 18:58:13,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237031407] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:58:13,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:58:13,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 18:58:13,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349346496] [2025-02-06 18:58:13,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:58:13,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:58:13,772 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 18:58:13,773 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 18:58:13,773 INFO L87 Difference]: Start difference. First operand 16 states and 19 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 18:58:13,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:58:13,780 INFO L93 Difference]: Finished difference Result 18 states and 20 transitions. [2025-02-06 18:58:13,780 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 20 transitions. [2025-02-06 18:58:13,780 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2025-02-06 18:58:13,781 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 17 states and 19 transitions. [2025-02-06 18:58:13,781 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2025-02-06 18:58:13,781 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2025-02-06 18:58:13,781 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 19 transitions. [2025-02-06 18:58:13,781 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-06 18:58:13,781 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 19 transitions. [2025-02-06 18:58:13,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 19 transitions. [2025-02-06 18:58:13,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2025-02-06 18:58:13,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.1176470588235294) internal successors, (19), 16 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 18:58:13,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2025-02-06 18:58:13,782 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 19 transitions. [2025-02-06 18:58:13,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 18:58:13,783 INFO L432 stractBuchiCegarLoop]: Abstraction has 17 states and 19 transitions. [2025-02-06 18:58:13,783 INFO L338 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2025-02-06 18:58:13,783 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 19 transitions. [2025-02-06 18:58:13,783 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2025-02-06 18:58:13,783 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 18:58:13,783 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 18:58:13,784 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1] [2025-02-06 18:58:13,784 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2025-02-06 18:58:13,784 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~bitwise1#1, main_~y~0#1, main_~x~0#1;havoc main_~y~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;main_~y~0#1 := 0;" "assume main_~x~0#1 > 0;" "assume !(1 == main_~y~0#1);main_~y~0#1 := 1;main_~x~0#1 := main_~x~0#1 + main_~y~0#1;" "assume main_~x~0#1 > 0;" [2025-02-06 18:58:13,784 INFO L754 eck$LassoCheckResult]: Loop: "assume 1 == main_~y~0#1;" "assume !(0 == main_~y~0#1 || main_~y~0#1 == 1 + main_~y~0#1);" "assume !(0 == 1 + main_~y~0#1);" "havoc main_#t~bitwise1#1;assume (((((main_~y~0#1 < 0 && 1 + main_~y~0#1 >= 0) || main_#t~bitwise1#1 >= 1 + main_~y~0#1) && ((main_~y~0#1 >= 0 && 1 + main_~y~0#1 < 0) || main_#t~bitwise1#1 >= main_~y~0#1)) && ((main_~y~0#1 < 0 || 1 + main_~y~0#1 < 0) || main_#t~bitwise1#1 <= main_~y~0#1 + (1 + main_~y~0#1))) && ((main_~y~0#1 >= 0 && 1 + main_~y~0#1 >= 0) || main_#t~bitwise1#1 < 0)) && main_#t~bitwise1#1 <= 2147483647;" "main_~x~0#1 := main_#t~bitwise1#1;havoc main_#t~bitwise1#1;main_~x~0#1 := main_~x~0#1 + main_~y~0#1;" "assume main_~x~0#1 > 0;" [2025-02-06 18:58:13,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:58:13,784 INFO L85 PathProgramCache]: Analyzing trace with hash 41957582, now seen corresponding path program 2 times [2025-02-06 18:58:13,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:58:13,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399235014] [2025-02-06 18:58:13,784 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 18:58:13,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:58:13,786 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 5 statements into 2 equivalence classes. [2025-02-06 18:58:13,788 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 5 of 5 statements. [2025-02-06 18:58:13,788 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 18:58:13,788 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 18:58:13,788 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 18:58:13,789 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-06 18:58:13,790 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-06 18:58:13,790 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:58:13,790 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 18:58:13,790 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 18:58:13,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:58:13,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1210989840, now seen corresponding path program 2 times [2025-02-06 18:58:13,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:58:13,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710939553] [2025-02-06 18:58:13,791 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 18:58:13,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:58:13,793 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 6 statements into 1 equivalence classes. [2025-02-06 18:58:13,795 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-06 18:58:13,795 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 18:58:13,795 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 18:58:13,795 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 18:58:13,795 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-06 18:58:13,797 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-06 18:58:13,798 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:58:13,798 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 18:58:13,798 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 18:58:13,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:58:13,798 INFO L85 PathProgramCache]: Analyzing trace with hash 604104733, now seen corresponding path program 1 times [2025-02-06 18:58:13,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:58:13,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904334540] [2025-02-06 18:58:13,799 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:58:13,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:58:13,800 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-06 18:58:13,803 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-06 18:58:13,803 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:58:13,803 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 18:58:13,803 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 18:58:13,804 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-06 18:58:13,806 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-06 18:58:13,807 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:58:13,807 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 18:58:13,807 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 18:58:13,870 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-06 18:58:13,871 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-06 18:58:13,871 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:58:13,871 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 18:58:13,871 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 18:58:13,872 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-06 18:58:13,873 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-06 18:58:13,873 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:58:13,873 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 18:58:13,881 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.02 06:58:13 BoogieIcfgContainer [2025-02-06 18:58:13,881 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-02-06 18:58:13,881 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 18:58:13,881 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 18:58:13,881 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 18:58:13,882 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 06:58:12" (3/4) ... [2025-02-06 18:58:13,883 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-06 18:58:13,883 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 18:58:13,884 INFO L158 Benchmark]: Toolchain (without parser) took 2074.84ms. Allocated memory is still 167.8MB. Free memory was 122.9MB in the beginning and 67.4MB in the end (delta: 55.5MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2025-02-06 18:58:13,884 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 121.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 18:58:13,884 INFO L158 Benchmark]: CACSL2BoogieTranslator took 130.02ms. Allocated memory is still 167.8MB. Free memory was 122.5MB in the beginning and 112.7MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 18:58:13,884 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.15ms. Allocated memory is still 167.8MB. Free memory was 112.7MB in the beginning and 111.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 18:58:13,884 INFO L158 Benchmark]: Boogie Preprocessor took 15.71ms. Allocated memory is still 167.8MB. Free memory was 111.5MB in the beginning and 111.1MB in the end (delta: 428.7kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 18:58:13,885 INFO L158 Benchmark]: IcfgBuilder took 214.39ms. Allocated memory is still 167.8MB. Free memory was 110.7MB in the beginning and 100.4MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 18:58:13,885 INFO L158 Benchmark]: BuchiAutomizer took 1686.75ms. Allocated memory is still 167.8MB. Free memory was 100.4MB in the beginning and 68.2MB in the end (delta: 32.2MB). Peak memory consumption was 39.9MB. Max. memory is 16.1GB. [2025-02-06 18:58:13,885 INFO L158 Benchmark]: Witness Printer took 2.37ms. Allocated memory is still 167.8MB. Free memory was 68.2MB in the beginning and 67.4MB in the end (delta: 793.7kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 18:58:13,886 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 121.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 130.02ms. Allocated memory is still 167.8MB. Free memory was 122.5MB in the beginning and 112.7MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.15ms. Allocated memory is still 167.8MB. Free memory was 112.7MB in the beginning and 111.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.71ms. Allocated memory is still 167.8MB. Free memory was 111.5MB in the beginning and 111.1MB in the end (delta: 428.7kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 214.39ms. Allocated memory is still 167.8MB. Free memory was 110.7MB in the beginning and 100.4MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1686.75ms. Allocated memory is still 167.8MB. Free memory was 100.4MB in the beginning and 68.2MB in the end (delta: 32.2MB). Peak memory consumption was 39.9MB. Max. memory is 16.1GB. * Witness Printer took 2.37ms. Allocated memory is still 167.8MB. Free memory was 68.2MB in the beginning and 67.4MB in the end (delta: 793.7kB). 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 3 terminating modules (2 trivial, 1 deterministic, 0 nondeterministic) and one module whose termination is unknown.One deterministic module has affine ranking function (3 + ((long) -2 * y)) and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 17 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 24 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 32 IncrementalHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 18 mSDtfsCounter, 32 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax100 hnf100 lsp58 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf94 smp100 dnf132 smp100 tf104 neg100 sie115 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 61ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer cannot decide termination for the following lasso because it contains the following overapproximations. Overapproximations C: y|(y+1) [21] (Reason bitwiseOr) Lasso 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~bitwise1#1, main_~y~0#1, main_~x~0#1;havoc main_~y~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;main_~y~0#1 := 0;" "assume main_~x~0#1 > 0;" "assume !(1 == main_~y~0#1);main_~y~0#1 := 1;main_~x~0#1 := main_~x~0#1 + main_~y~0#1;" "assume main_~x~0#1 > 0;" Loop: "assume 1 == main_~y~0#1;" "assume !(0 == main_~y~0#1 || main_~y~0#1 == 1 + main_~y~0#1);" "assume !(0 == 1 + main_~y~0#1);" "havoc main_#t~bitwise1#1;assume (((((main_~y~0#1 < 0 && 1 + main_~y~0#1 >= 0) || main_#t~bitwise1#1 >= 1 + main_~y~0#1) && ((main_~y~0#1 >= 0 && 1 + main_~y~0#1 < 0) || main_#t~bitwise1#1 >= main_~y~0#1)) && ((main_~y~0#1 < 0 || 1 + main_~y~0#1 < 0) || main_#t~bitwise1#1 <= main_~y~0#1 + (1 + main_~y~0#1))) && ((main_~y~0#1 >= 0 && 1 + main_~y~0#1 >= 0) || main_#t~bitwise1#1 < 0)) && main_#t~bitwise1#1 <= 2147483647;" "main_~x~0#1 := main_#t~bitwise1#1;havoc main_#t~bitwise1#1;main_~x~0#1 := main_~x~0#1 + main_~y~0#1;" "assume main_~x~0#1 > 0;" RESULT: Ultimate could not prove your program: unable to determine termination [2025-02-06 18:58:13,896 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 18:58:14,098 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN