./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-crafted/Toulouse-BranchesToLoop-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-crafted/Toulouse-BranchesToLoop-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 8ea772b622b52d4ecb98eff913fdaad419b414b3ea50b3836c7037318b9a616b --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 06:48:03,902 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 06:48:03,955 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2025-03-09 06:48:03,959 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 06:48:03,960 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 06:48:03,960 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-03-09 06:48:03,982 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 06:48:03,983 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 06:48:03,984 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 06:48:03,984 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 06:48:03,984 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 06:48:03,985 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 06:48:03,985 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 06:48:03,985 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 06:48:03,985 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-03-09 06:48:03,986 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-03-09 06:48:03,986 INFO L153 SettingsManager]: * Use old map elimination=false [2025-03-09 06:48:03,986 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-03-09 06:48:03,986 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-03-09 06:48:03,986 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-03-09 06:48:03,986 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 06:48:03,986 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-03-09 06:48:03,986 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 06:48:03,986 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 06:48:03,987 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-03-09 06:48:03,987 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-03-09 06:48:03,987 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-03-09 06:48:03,987 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 06:48:03,987 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 06:48:03,987 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-03-09 06:48:03,987 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 06:48:03,987 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 06:48:03,988 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 06:48:03,988 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 06:48:03,988 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 06:48:03,988 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 06:48:03,988 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-03-09 06:48:03,989 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/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 -> 8ea772b622b52d4ecb98eff913fdaad419b414b3ea50b3836c7037318b9a616b [2025-03-09 06:48:04,237 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 06:48:04,243 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 06:48:04,245 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 06:48:04,246 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 06:48:04,246 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 06:48:04,247 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/Toulouse-BranchesToLoop-2.c [2025-03-09 06:48:05,456 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7554f5a1/e5150ccf50284c498df95a26c0af6bc4/FLAGe0d204c3f [2025-03-09 06:48:05,692 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 06:48:05,693 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/Toulouse-BranchesToLoop-2.c [2025-03-09 06:48:05,699 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7554f5a1/e5150ccf50284c498df95a26c0af6bc4/FLAGe0d204c3f [2025-03-09 06:48:06,040 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7554f5a1/e5150ccf50284c498df95a26c0af6bc4 [2025-03-09 06:48:06,042 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 06:48:06,043 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 06:48:06,044 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 06:48:06,044 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 06:48:06,047 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 06:48:06,048 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 06:48:06" (1/1) ... [2025-03-09 06:48:06,050 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64df1b80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:48:06, skipping insertion in model container [2025-03-09 06:48:06,050 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 06:48:06" (1/1) ... [2025-03-09 06:48:06,060 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 06:48:06,157 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 06:48:06,160 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 06:48:06,168 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 06:48:06,179 INFO L204 MainTranslator]: Completed translation [2025-03-09 06:48:06,180 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:48:06 WrapperNode [2025-03-09 06:48:06,180 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 06:48:06,181 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 06:48:06,181 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 06:48:06,181 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 06:48:06,185 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:48:06" (1/1) ... [2025-03-09 06:48:06,188 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:48:06" (1/1) ... [2025-03-09 06:48:06,198 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 28 [2025-03-09 06:48:06,199 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 06:48:06,200 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 06:48:06,200 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 06:48:06,200 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 06:48:06,205 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:48:06" (1/1) ... [2025-03-09 06:48:06,206 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:48:06" (1/1) ... [2025-03-09 06:48:06,207 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:48:06" (1/1) ... [2025-03-09 06:48:06,210 INFO L175 MemorySlicer]: No memory access in input program. [2025-03-09 06:48:06,210 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:48:06" (1/1) ... [2025-03-09 06:48:06,210 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:48:06" (1/1) ... [2025-03-09 06:48:06,212 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:48:06" (1/1) ... [2025-03-09 06:48:06,213 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:48:06" (1/1) ... [2025-03-09 06:48:06,214 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:48:06" (1/1) ... [2025-03-09 06:48:06,214 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:48:06" (1/1) ... [2025-03-09 06:48:06,217 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 06:48:06,218 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 06:48:06,218 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 06:48:06,218 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 06:48:06,218 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:48:06" (1/1) ... [2025-03-09 06:48:06,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:48:06,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:48:06,243 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-09 06:48:06,245 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2025-03-09 06:48:06,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 06:48:06,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 06:48:06,303 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 06:48:06,304 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 06:48:06,362 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2025-03-09 06:48:06,362 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 06:48:06,368 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 06:48:06,368 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 06:48:06,368 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 06:48:06 BoogieIcfgContainer [2025-03-09 06:48:06,369 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 06:48:06,369 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-03-09 06:48:06,369 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-03-09 06:48:06,373 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-03-09 06:48:06,373 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-09 06:48:06,374 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.03 06:48:06" (1/3) ... [2025-03-09 06:48:06,374 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2b46ac37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.03 06:48:06, skipping insertion in model container [2025-03-09 06:48:06,374 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-09 06:48:06,375 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:48:06" (2/3) ... [2025-03-09 06:48:06,375 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2b46ac37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.03 06:48:06, skipping insertion in model container [2025-03-09 06:48:06,375 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-09 06:48:06,375 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 06:48:06" (3/3) ... [2025-03-09 06:48:06,376 INFO L363 chiAutomizerObserver]: Analyzing ICFG Toulouse-BranchesToLoop-2.c [2025-03-09 06:48:06,407 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-03-09 06:48:06,407 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-03-09 06:48:06,407 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-03-09 06:48:06,407 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-03-09 06:48:06,407 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-03-09 06:48:06,407 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-03-09 06:48:06,408 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-03-09 06:48:06,408 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-03-09 06:48:06,411 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 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) [2025-03-09 06:48:06,421 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2025-03-09 06:48:06,423 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 06:48:06,423 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 06:48:06,426 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2025-03-09 06:48:06,427 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2025-03-09 06:48:06,427 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-03-09 06:48:06,428 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 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) [2025-03-09 06:48:06,428 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2025-03-09 06:48:06,429 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 06:48:06,429 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 06:48:06,429 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2025-03-09 06:48:06,429 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2025-03-09 06:48:06,435 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~z~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" "assume !!(-268435455 <= main_~y~0#1);" "assume !!(-268435455 <= main_~z~0#1);havoc main_#t~nondet2#1;" "assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;main_~x~0#1 := -1;" [2025-03-09 06:48:06,436 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~y~0#1 < 100 && main_~z~0#1 < 100;main_~y~0#1 := main_~y~0#1 + main_~x~0#1;main_~z~0#1 := main_~z~0#1 - main_~x~0#1;" [2025-03-09 06:48:06,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:48:06,440 INFO L85 PathProgramCache]: Analyzing trace with hash 42911848, now seen corresponding path program 1 times [2025-03-09 06:48:06,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:48:06,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078338635] [2025-03-09 06:48:06,447 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:48:06,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:48:06,492 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-09 06:48:06,495 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-09 06:48:06,496 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:48:06,496 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:48:06,496 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 06:48:06,498 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-09 06:48:06,499 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-09 06:48:06,499 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:48:06,499 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:48:06,508 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 06:48:06,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:48:06,510 INFO L85 PathProgramCache]: Analyzing trace with hash 34, now seen corresponding path program 1 times [2025-03-09 06:48:06,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:48:06,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675334334] [2025-03-09 06:48:06,510 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:48:06,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:48:06,513 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-03-09 06:48:06,516 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-03-09 06:48:06,516 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:48:06,516 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:48:06,516 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 06:48:06,517 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-03-09 06:48:06,518 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-03-09 06:48:06,518 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:48:06,518 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:48:06,518 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 06:48:06,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:48:06,519 INFO L85 PathProgramCache]: Analyzing trace with hash 1330267291, now seen corresponding path program 1 times [2025-03-09 06:48:06,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:48:06,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516950015] [2025-03-09 06:48:06,520 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:48:06,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:48:06,523 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-09 06:48:06,527 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-09 06:48:06,528 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:48:06,528 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:48:06,528 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 06:48:06,530 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-09 06:48:06,535 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-09 06:48:06,535 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:48:06,536 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:48:06,537 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 06:48:06,633 INFO L204 LassoAnalysis]: Preferences: [2025-03-09 06:48:06,634 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-09 06:48:06,634 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-09 06:48:06,635 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-09 06:48:06,635 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-03-09 06:48:06,635 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:48:06,635 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-09 06:48:06,636 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-09 06:48:06,636 INFO L132 ssoRankerPreferences]: Filename of dumped script: Toulouse-BranchesToLoop-2.c_Iteration1_Lasso [2025-03-09 06:48:06,636 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-09 06:48:06,636 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-09 06:48:06,645 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:48:06,652 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:48:06,671 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:48:06,674 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:48:06,677 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:48:06,680 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:48:06,685 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:48:06,766 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-09 06:48:06,766 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-03-09 06:48:06,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:48:06,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:48:06,769 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-09 06:48:06,770 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2025-03-09 06:48:06,771 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-09 06:48:06,771 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-09 06:48:06,790 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-09 06:48:06,790 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-09 06:48:06,796 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2025-03-09 06:48:06,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:48:06,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:48:06,798 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-09 06:48:06,798 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2025-03-09 06:48:06,800 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-09 06:48:06,800 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-09 06:48:06,817 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2025-03-09 06:48:06,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:48:06,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:48:06,819 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-09 06:48:06,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2025-03-09 06:48:06,821 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-03-09 06:48:06,821 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-09 06:48:06,872 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-03-09 06:48:06,876 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2025-03-09 06:48:06,877 INFO L204 LassoAnalysis]: Preferences: [2025-03-09 06:48:06,877 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-09 06:48:06,877 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-09 06:48:06,877 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-09 06:48:06,877 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-03-09 06:48:06,877 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:48:06,877 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-09 06:48:06,877 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-09 06:48:06,877 INFO L132 ssoRankerPreferences]: Filename of dumped script: Toulouse-BranchesToLoop-2.c_Iteration1_Lasso [2025-03-09 06:48:06,877 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-09 06:48:06,877 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-09 06:48:06,879 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:48:06,882 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:48:06,899 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:48:06,902 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:48:06,905 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:48:06,907 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:48:06,911 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:48:06,979 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-09 06:48:06,981 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-03-09 06:48:06,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:48:06,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:48:06,985 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-09 06:48:06,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2025-03-09 06:48:06,989 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 [2025-03-09 06:48:07,002 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:48:07,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:48:07,003 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:48:07,003 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:48:07,008 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-09 06:48:07,009 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-09 06:48:07,014 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:48:07,022 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2025-03-09 06:48:07,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:48:07,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:48:07,024 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-09 06:48:07,025 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2025-03-09 06:48:07,026 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 [2025-03-09 06:48:07,037 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:48:07,037 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:48:07,037 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:48:07,037 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:48:07,045 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-09 06:48:07,045 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-09 06:48:07,053 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-03-09 06:48:07,067 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2025-03-09 06:48:07,069 INFO L444 ModelExtractionUtils]: 1 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2025-03-09 06:48:07,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:48:07,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:48:07,074 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-09 06:48:07,075 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2025-03-09 06:48:07,076 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-03-09 06:48:07,088 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-03-09 06:48:07,088 INFO L474 LassoAnalysis]: Proved termination. [2025-03-09 06:48:07,089 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~z~0#1) = -2*ULTIMATE.start_main_~z~0#1 + 199 Supporting invariants [-1*ULTIMATE.start_main_~x~0#1 - 1 >= 0] [2025-03-09 06:48:07,100 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2025-03-09 06:48:07,115 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2025-03-09 06:48:07,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:48:07,164 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-09 06:48:07,166 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-09 06:48:07,166 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:48:07,166 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:48:07,167 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-09 06:48:07,168 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:48:07,181 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-03-09 06:48:07,183 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-03-09 06:48:07,183 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:48:07,183 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:48:07,183 WARN L254 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-09 06:48:07,184 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:48:07,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:48:07,207 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 [2025-03-09 06:48:07,209 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 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 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 06:48:07,248 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 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 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 14 states and 18 transitions. Complement of second has 3 states. [2025-03-09 06:48:07,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2025-03-09 06:48:07,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 06:48:07,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 13 transitions. [2025-03-09 06:48:07,261 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 13 transitions. Stem has 5 letters. Loop has 1 letters. [2025-03-09 06:48:07,261 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-09 06:48:07,262 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 13 transitions. Stem has 6 letters. Loop has 1 letters. [2025-03-09 06:48:07,262 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-09 06:48:07,262 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 13 transitions. Stem has 5 letters. Loop has 2 letters. [2025-03-09 06:48:07,262 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-09 06:48:07,262 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 18 transitions. [2025-03-09 06:48:07,263 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2025-03-09 06:48:07,266 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 6 states and 6 transitions. [2025-03-09 06:48:07,267 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2025-03-09 06:48:07,267 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2025-03-09 06:48:07,267 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 6 transitions. [2025-03-09 06:48:07,267 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-09 06:48:07,267 INFO L218 hiAutomatonCegarLoop]: Abstraction has 6 states and 6 transitions. [2025-03-09 06:48:07,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 6 transitions. [2025-03-09 06:48:07,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2025-03-09 06:48:07,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.0) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 06:48:07,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2025-03-09 06:48:07,284 INFO L240 hiAutomatonCegarLoop]: Abstraction has 6 states and 6 transitions. [2025-03-09 06:48:07,284 INFO L432 stractBuchiCegarLoop]: Abstraction has 6 states and 6 transitions. [2025-03-09 06:48:07,284 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-03-09 06:48:07,284 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 6 transitions. [2025-03-09 06:48:07,284 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2025-03-09 06:48:07,285 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 06:48:07,285 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 06:48:07,286 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2025-03-09 06:48:07,286 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2025-03-09 06:48:07,286 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~z~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" "assume !!(-268435455 <= main_~y~0#1);" "assume !!(-268435455 <= main_~z~0#1);havoc main_#t~nondet2#1;" "assume 0 != main_#t~nondet2#1;havoc main_#t~nondet2#1;main_~x~0#1 := 1;" [2025-03-09 06:48:07,286 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~y~0#1 < 100 && main_~z~0#1 < 100;main_~y~0#1 := main_~y~0#1 + main_~x~0#1;main_~z~0#1 := main_~z~0#1 - main_~x~0#1;" [2025-03-09 06:48:07,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:48:07,286 INFO L85 PathProgramCache]: Analyzing trace with hash 42911847, now seen corresponding path program 1 times [2025-03-09 06:48:07,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:48:07,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278435446] [2025-03-09 06:48:07,286 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:48:07,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:48:07,291 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-09 06:48:07,292 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-09 06:48:07,292 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:48:07,293 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:48:07,293 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 06:48:07,293 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-09 06:48:07,294 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-09 06:48:07,294 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:48:07,294 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:48:07,297 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 06:48:07,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:48:07,297 INFO L85 PathProgramCache]: Analyzing trace with hash 34, now seen corresponding path program 2 times [2025-03-09 06:48:07,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:48:07,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856790445] [2025-03-09 06:48:07,297 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 06:48:07,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:48:07,300 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 1 statements into 1 equivalence classes. [2025-03-09 06:48:07,303 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-03-09 06:48:07,303 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 06:48:07,303 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:48:07,303 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 06:48:07,304 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-03-09 06:48:07,305 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-03-09 06:48:07,305 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:48:07,305 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:48:07,305 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 06:48:07,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:48:07,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1330267260, now seen corresponding path program 1 times [2025-03-09 06:48:07,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:48:07,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098240039] [2025-03-09 06:48:07,307 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:48:07,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:48:07,312 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-09 06:48:07,314 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-09 06:48:07,314 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:48:07,314 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:48:07,314 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 06:48:07,315 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-09 06:48:07,321 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-09 06:48:07,321 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:48:07,321 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:48:07,322 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 06:48:07,389 INFO L204 LassoAnalysis]: Preferences: [2025-03-09 06:48:07,389 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-09 06:48:07,389 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-09 06:48:07,389 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-09 06:48:07,389 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-03-09 06:48:07,389 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:48:07,389 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-09 06:48:07,389 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-09 06:48:07,389 INFO L132 ssoRankerPreferences]: Filename of dumped script: Toulouse-BranchesToLoop-2.c_Iteration2_Lasso [2025-03-09 06:48:07,389 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-09 06:48:07,389 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-09 06:48:07,391 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:48:07,396 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:48:07,398 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:48:07,401 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:48:07,404 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:48:07,406 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:48:07,410 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:48:07,498 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-09 06:48:07,498 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-03-09 06:48:07,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:48:07,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:48:07,500 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-09 06:48:07,502 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2025-03-09 06:48:07,502 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-09 06:48:07,502 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-09 06:48:07,524 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-09 06:48:07,525 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-09 06:48:07,531 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2025-03-09 06:48:07,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:48:07,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:48:07,533 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-09 06:48:07,535 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2025-03-09 06:48:07,535 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-09 06:48:07,535 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-09 06:48:07,546 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-09 06:48:07,546 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1#1=0} Honda state: {ULTIMATE.start_main_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-09 06:48:07,552 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2025-03-09 06:48:07,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:48:07,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:48:07,554 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-09 06:48:07,555 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2025-03-09 06:48:07,556 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-09 06:48:07,556 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-09 06:48:07,568 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-09 06:48:07,568 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=0} Honda state: {ULTIMATE.start_main_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-09 06:48:07,575 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2025-03-09 06:48:07,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:48:07,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:48:07,577 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-09 06:48:07,578 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2025-03-09 06:48:07,579 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-09 06:48:07,579 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-09 06:48:07,593 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-09 06:48:07,593 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-09 06:48:07,598 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2025-03-09 06:48:07,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:48:07,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:48:07,600 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-09 06:48:07,608 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2025-03-09 06:48:07,612 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-09 06:48:07,612 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-09 06:48:07,621 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2025-03-09 06:48:07,627 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-09 06:48:07,628 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2#1=0} Honda state: {ULTIMATE.start_main_#t~nondet2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-09 06:48:07,639 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2025-03-09 06:48:07,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:48:07,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:48:07,642 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-09 06:48:07,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2025-03-09 06:48:07,646 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-09 06:48:07,646 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-09 06:48:07,664 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-09 06:48:07,664 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-09 06:48:07,669 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2025-03-09 06:48:07,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:48:07,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:48:07,671 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-09 06:48:07,672 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2025-03-09 06:48:07,673 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-09 06:48:07,673 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-09 06:48:07,697 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2025-03-09 06:48:07,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:48:07,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:48:07,702 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-09 06:48:07,713 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2025-03-09 06:48:07,714 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-03-09 06:48:07,714 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-09 06:48:07,736 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-03-09 06:48:07,742 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2025-03-09 06:48:07,742 INFO L204 LassoAnalysis]: Preferences: [2025-03-09 06:48:07,742 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-09 06:48:07,742 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-09 06:48:07,742 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-09 06:48:07,743 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-03-09 06:48:07,743 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:48:07,743 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-09 06:48:07,743 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-09 06:48:07,743 INFO L132 ssoRankerPreferences]: Filename of dumped script: Toulouse-BranchesToLoop-2.c_Iteration2_Lasso [2025-03-09 06:48:07,743 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-09 06:48:07,743 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-09 06:48:07,745 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:48:07,749 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:48:07,751 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:48:07,754 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:48:07,756 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:48:07,759 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:48:07,761 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:48:07,841 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-09 06:48:07,841 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-03-09 06:48:07,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:48:07,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:48:07,844 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-09 06:48:07,845 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2025-03-09 06:48:07,846 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 [2025-03-09 06:48:07,856 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:48:07,856 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:48:07,856 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:48:07,856 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:48:07,862 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-09 06:48:07,862 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-09 06:48:07,865 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:48:07,877 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2025-03-09 06:48:07,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:48:07,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:48:07,879 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-09 06:48:07,880 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2025-03-09 06:48:07,881 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 [2025-03-09 06:48:07,891 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:48:07,892 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-09 06:48:07,892 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:48:07,892 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:48:07,892 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:48:07,893 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-09 06:48:07,893 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-09 06:48:07,894 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:48:07,900 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2025-03-09 06:48:07,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:48:07,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:48:07,903 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-09 06:48:07,904 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2025-03-09 06:48:07,909 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-09 06:48:07,920 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:48:07,920 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-09 06:48:07,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:48:07,920 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:48:07,920 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:48:07,921 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-09 06:48:07,921 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-09 06:48:07,925 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:48:07,933 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2025-03-09 06:48:07,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:48:07,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:48:07,935 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-09 06:48:07,936 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2025-03-09 06:48:07,937 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 [2025-03-09 06:48:07,948 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:48:07,948 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-09 06:48:07,948 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:48:07,948 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:48:07,948 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:48:07,949 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-09 06:48:07,949 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-09 06:48:07,950 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:48:07,955 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2025-03-09 06:48:07,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:48:07,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:48:07,958 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-09 06:48:07,959 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2025-03-09 06:48:07,959 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 [2025-03-09 06:48:07,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:48:07,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:48:07,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:48:07,969 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:48:07,970 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-09 06:48:07,970 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-09 06:48:07,973 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:48:07,983 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2025-03-09 06:48:07,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:48:07,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:48:07,986 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-09 06:48:07,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2025-03-09 06:48:07,988 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 [2025-03-09 06:48:07,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:48:07,997 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-09 06:48:07,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:48:07,997 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:48:07,997 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:48:07,998 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-09 06:48:07,998 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-09 06:48:07,999 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:48:08,005 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2025-03-09 06:48:08,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:48:08,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:48:08,007 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-09 06:48:08,009 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2025-03-09 06:48:08,010 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 [2025-03-09 06:48:08,020 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:48:08,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:48:08,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:48:08,020 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:48:08,024 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-09 06:48:08,024 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-09 06:48:08,029 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-03-09 06:48:08,039 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2025-03-09 06:48:08,039 INFO L444 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 3 variables to zero. [2025-03-09 06:48:08,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:48:08,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:48:08,041 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-09 06:48:08,043 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2025-03-09 06:48:08,044 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-03-09 06:48:08,055 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-03-09 06:48:08,056 INFO L474 LassoAnalysis]: Proved termination. [2025-03-09 06:48:08,056 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = -2*ULTIMATE.start_main_~y~0#1 + 199 Supporting invariants [1*ULTIMATE.start_main_~x~0#1 - 1 >= 0] [2025-03-09 06:48:08,062 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2025-03-09 06:48:08,065 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2025-03-09 06:48:08,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:48:08,092 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-09 06:48:08,093 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-09 06:48:08,093 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:48:08,093 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:48:08,093 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-09 06:48:08,094 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:48:08,101 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-03-09 06:48:08,102 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-03-09 06:48:08,102 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:48:08,102 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:48:08,102 WARN L254 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-09 06:48:08,102 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:48:08,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:48:08,103 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 [2025-03-09 06:48:08,103 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 6 transitions. cyclomatic complexity: 1 Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 06:48:08,122 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 6 transitions. cyclomatic complexity: 1. Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 7 states and 7 transitions. Complement of second has 2 states. [2025-03-09 06:48:08,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2025-03-09 06:48:08,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 06:48:08,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 6 transitions. [2025-03-09 06:48:08,123 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 6 transitions. Stem has 5 letters. Loop has 1 letters. [2025-03-09 06:48:08,123 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-09 06:48:08,123 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 6 transitions. Stem has 6 letters. Loop has 1 letters. [2025-03-09 06:48:08,123 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-09 06:48:08,123 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 6 transitions. Stem has 5 letters. Loop has 2 letters. [2025-03-09 06:48:08,123 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-09 06:48:08,123 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7 states and 7 transitions. [2025-03-09 06:48:08,123 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-03-09 06:48:08,124 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7 states to 0 states and 0 transitions. [2025-03-09 06:48:08,124 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-03-09 06:48:08,124 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-03-09 06:48:08,124 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-03-09 06:48:08,124 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-09 06:48:08,124 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-09 06:48:08,124 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-09 06:48:08,124 INFO L432 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-09 06:48:08,124 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-03-09 06:48:08,124 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-03-09 06:48:08,124 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-03-09 06:48:08,124 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-03-09 06:48:08,133 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.03 06:48:08 BoogieIcfgContainer [2025-03-09 06:48:08,133 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-03-09 06:48:08,133 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-09 06:48:08,133 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-09 06:48:08,134 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-09 06:48:08,134 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 06:48:06" (3/4) ... [2025-03-09 06:48:08,136 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-09 06:48:08,136 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-09 06:48:08,137 INFO L158 Benchmark]: Toolchain (without parser) took 2093.72ms. Allocated memory is still 167.8MB. Free memory was 123.0MB in the beginning and 94.8MB in the end (delta: 28.2MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2025-03-09 06:48:08,137 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 201.3MB. Free memory is still 120.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 06:48:08,137 INFO L158 Benchmark]: CACSL2BoogieTranslator took 136.45ms. Allocated memory is still 167.8MB. Free memory was 123.0MB in the beginning and 113.1MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 06:48:08,137 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.54ms. Allocated memory is still 167.8MB. Free memory was 113.1MB in the beginning and 112.3MB in the end (delta: 833.8kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 06:48:08,137 INFO L158 Benchmark]: Boogie Preprocessor took 17.32ms. Allocated memory is still 167.8MB. Free memory was 112.3MB in the beginning and 111.4MB in the end (delta: 899.8kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 06:48:08,138 INFO L158 Benchmark]: IcfgBuilder took 150.97ms. Allocated memory is still 167.8MB. Free memory was 111.4MB in the beginning and 101.7MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 06:48:08,138 INFO L158 Benchmark]: BuchiAutomizer took 1763.81ms. Allocated memory is still 167.8MB. Free memory was 101.2MB in the beginning and 95.0MB in the end (delta: 6.2MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2025-03-09 06:48:08,138 INFO L158 Benchmark]: Witness Printer took 2.68ms. Allocated memory is still 167.8MB. Free memory was 95.0MB in the beginning and 94.8MB in the end (delta: 230.5kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 06:48:08,139 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 201.3MB. Free memory is still 120.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 136.45ms. Allocated memory is still 167.8MB. Free memory was 123.0MB in the beginning and 113.1MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 18.54ms. Allocated memory is still 167.8MB. Free memory was 113.1MB in the beginning and 112.3MB in the end (delta: 833.8kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.32ms. Allocated memory is still 167.8MB. Free memory was 112.3MB in the beginning and 111.4MB in the end (delta: 899.8kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 150.97ms. Allocated memory is still 167.8MB. Free memory was 111.4MB in the beginning and 101.7MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1763.81ms. Allocated memory is still 167.8MB. Free memory was 101.2MB in the beginning and 95.0MB in the end (delta: 6.2MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. * Witness Printer took 2.68ms. Allocated memory is still 167.8MB. Free memory was 95.0MB in the beginning and 94.8MB in the end (delta: 230.5kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function (((long) -2 * z) + 199) and consists of 2 locations. One deterministic module has affine ranking function (199 + ((long) -2 * y)) and consists of 2 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.7s and 3 iterations. TraceHistogramMax:1. 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 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 17 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital32 mio100 ax137 hnf100 lsp72 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq153 hnf93 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 31ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 7 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2025-03-09 06:48:08,149 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2025-03-09 06:48:08,353 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE