./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loop-invgen/large_const.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 798a7b37 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/loop-invgen/large_const.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-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 32bit --witnessprinter.graph.data.programhash 142d17131671d2eab991ea08656e3b8bfe555dee984fe7672c9a027e971df0f8 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 16:04:41,866 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 16:04:41,908 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-03-04 16:04:41,912 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 16:04:41,913 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 16:04:41,913 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-03-04 16:04:41,935 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 16:04:41,935 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 16:04:41,935 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 16:04:41,935 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 16:04:41,936 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 16:04:41,936 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 16:04:41,936 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 16:04:41,936 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 16:04:41,936 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-03-04 16:04:41,936 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-03-04 16:04:41,936 INFO L153 SettingsManager]: * Use old map elimination=false [2025-03-04 16:04:41,936 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-03-04 16:04:41,936 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-03-04 16:04:41,936 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-03-04 16:04:41,937 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 16:04:41,938 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-03-04 16:04:41,938 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 16:04:41,938 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 16:04:41,938 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 16:04:41,938 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 16:04:41,938 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-03-04 16:04:41,938 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-03-04 16:04:41,938 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-03-04 16:04:41,938 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 16:04:41,938 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 16:04:41,939 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 16:04:41,939 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-03-04 16:04:41,939 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 16:04:41,939 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 16:04:41,939 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 16:04:41,939 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 16:04:41,939 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 16:04:41,939 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 16:04:41,939 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-03-04 16:04:41,939 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 142d17131671d2eab991ea08656e3b8bfe555dee984fe7672c9a027e971df0f8 [2025-03-04 16:04:42,175 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 16:04:42,183 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 16:04:42,185 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 16:04:42,187 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 16:04:42,187 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 16:04:42,188 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invgen/large_const.i [2025-03-04 16:04:43,286 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47342785c/9862dac271fc4bccae051cbcf9398188/FLAG942d1709c [2025-03-04 16:04:43,486 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 16:04:43,487 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/large_const.i [2025-03-04 16:04:43,496 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47342785c/9862dac271fc4bccae051cbcf9398188/FLAG942d1709c [2025-03-04 16:04:43,848 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47342785c/9862dac271fc4bccae051cbcf9398188 [2025-03-04 16:04:43,850 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 16:04:43,851 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 16:04:43,851 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 16:04:43,852 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 16:04:43,855 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 16:04:43,855 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 04:04:43" (1/1) ... [2025-03-04 16:04:43,856 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1408e0cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:04:43, skipping insertion in model container [2025-03-04 16:04:43,856 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 04:04:43" (1/1) ... [2025-03-04 16:04:43,866 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 16:04:43,979 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 16:04:43,987 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 16:04:44,000 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 16:04:44,012 INFO L204 MainTranslator]: Completed translation [2025-03-04 16:04:44,013 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:04:44 WrapperNode [2025-03-04 16:04:44,013 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 16:04:44,014 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 16:04:44,014 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 16:04:44,014 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 16:04:44,019 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:04:44" (1/1) ... [2025-03-04 16:04:44,024 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:04:44" (1/1) ... [2025-03-04 16:04:44,035 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2025-03-04 16:04:44,035 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 16:04:44,035 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 16:04:44,035 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 16:04:44,036 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 16:04:44,041 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:04:44" (1/1) ... [2025-03-04 16:04:44,042 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:04:44" (1/1) ... [2025-03-04 16:04:44,043 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:04:44" (1/1) ... [2025-03-04 16:04:44,051 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-04 16:04:44,051 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:04:44" (1/1) ... [2025-03-04 16:04:44,052 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:04:44" (1/1) ... [2025-03-04 16:04:44,056 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:04:44" (1/1) ... [2025-03-04 16:04:44,057 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:04:44" (1/1) ... [2025-03-04 16:04:44,058 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:04:44" (1/1) ... [2025-03-04 16:04:44,061 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:04:44" (1/1) ... [2025-03-04 16:04:44,062 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 16:04:44,063 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 16:04:44,063 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 16:04:44,063 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 16:04:44,064 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:04:44" (1/1) ... [2025-03-04 16:04:44,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:04:44,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 16:04:44,091 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) [2025-03-04 16:04:44,093 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 [2025-03-04 16:04:44,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 16:04:44,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 16:04:44,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 16:04:44,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 16:04:44,156 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 16:04:44,158 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 16:04:44,251 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2025-03-04 16:04:44,251 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 16:04:44,257 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 16:04:44,257 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 16:04:44,257 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 04:04:44 BoogieIcfgContainer [2025-03-04 16:04:44,257 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 16:04:44,258 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-03-04 16:04:44,258 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-03-04 16:04:44,261 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-03-04 16:04:44,261 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-04 16:04:44,262 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 04.03 04:04:43" (1/3) ... [2025-03-04 16:04:44,262 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@107d9006 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 04.03 04:04:44, skipping insertion in model container [2025-03-04 16:04:44,262 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-04 16:04:44,262 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:04:44" (2/3) ... [2025-03-04 16:04:44,262 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@107d9006 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 04.03 04:04:44, skipping insertion in model container [2025-03-04 16:04:44,262 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-04 16:04:44,263 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 04:04:44" (3/3) ... [2025-03-04 16:04:44,263 INFO L363 chiAutomizerObserver]: Analyzing ICFG large_const.i [2025-03-04 16:04:44,292 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-03-04 16:04:44,293 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-03-04 16:04:44,293 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-03-04 16:04:44,293 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-03-04 16:04:44,293 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-03-04 16:04:44,293 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-03-04 16:04:44,293 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-03-04 16:04:44,293 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-03-04 16:04:44,296 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:04:44,305 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2025-03-04 16:04:44,305 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 16:04:44,305 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 16:04:44,308 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-03-04 16:04:44,309 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-03-04 16:04:44,309 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-03-04 16:04:44,309 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:04:44,310 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2025-03-04 16:04:44,310 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 16:04:44,310 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 16:04:44,310 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-03-04 16:04:44,310 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-03-04 16:04:44,315 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~nondet3#1, main_#t~post4#1, main_#t~post5#1, main_~argc#1, main_~c1~0#1, main_~c2~0#1, main_~c3~0#1, main_~n~0#1, main_~v~0#1, main_~i~0#1, main_~k~0#1, main_~j~0#1;main_~argc#1 := main_#in~argc#1;main_~c1~0#1 := 4000;main_~c2~0#1 := 2000;main_~c3~0#1 := 10000;havoc main_~n~0#1;havoc main_~v~0#1;havoc main_~i~0#1;havoc main_~k~0#1;havoc main_~j~0#1;havoc main_#t~nondet1#1;main_~n~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" "assume !!(0 <= main_~n~0#1 && main_~n~0#1 < 10);main_~k~0#1 := 0;main_~i~0#1 := 0;" [2025-03-04 16:04:44,315 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < main_~n~0#1;main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;havoc main_#t~nondet3#1;main_~v~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;" "assume !!(0 <= main_~v~0#1 && main_~n~0#1 < 2);" "assume 0 == main_~v~0#1;main_~k~0#1 := main_~k~0#1 + main_~c1~0#1;" [2025-03-04 16:04:44,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:04:44,319 INFO L85 PathProgramCache]: Analyzing trace with hash 56569, now seen corresponding path program 1 times [2025-03-04 16:04:44,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:04:44,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399566402] [2025-03-04 16:04:44,324 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:04:44,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:04:44,369 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-04 16:04:44,378 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-04 16:04:44,378 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:04:44,378 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:04:44,379 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:04:44,381 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-04 16:04:44,385 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-04 16:04:44,385 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:04:44,385 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:04:44,395 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:04:44,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:04:44,397 INFO L85 PathProgramCache]: Analyzing trace with hash 49613, now seen corresponding path program 1 times [2025-03-04 16:04:44,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:04:44,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575897144] [2025-03-04 16:04:44,397 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:04:44,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:04:44,404 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-04 16:04:44,410 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-04 16:04:44,410 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:04:44,410 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:04:44,410 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:04:44,412 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-04 16:04:44,414 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-04 16:04:44,414 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:04:44,414 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:04:44,416 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:04:44,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:04:44,418 INFO L85 PathProgramCache]: Analyzing trace with hash 1685266901, now seen corresponding path program 1 times [2025-03-04 16:04:44,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:04:44,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056858504] [2025-03-04 16:04:44,419 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:04:44,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:04:44,426 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-04 16:04:44,435 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-04 16:04:44,436 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:04:44,436 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:04:44,436 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:04:44,440 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-04 16:04:44,446 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-04 16:04:44,446 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:04:44,446 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:04:44,448 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:04:44,527 INFO L204 LassoAnalysis]: Preferences: [2025-03-04 16:04:44,527 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-04 16:04:44,528 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-04 16:04:44,528 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-04 16:04:44,528 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-03-04 16:04:44,528 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:04:44,528 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-04 16:04:44,528 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-04 16:04:44,528 INFO L132 ssoRankerPreferences]: Filename of dumped script: large_const.i_Iteration1_Loop [2025-03-04 16:04:44,528 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-04 16:04:44,529 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-04 16:04:44,538 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:04:44,546 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:04:44,557 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:04:44,561 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:04:44,565 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:04:44,612 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-04 16:04:44,612 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-03-04 16:04:44,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:04:44,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 16:04:44,615 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) [2025-03-04 16:04:44,617 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 [2025-03-04 16:04:44,618 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 16:04:44,618 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 16:04:44,632 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 16:04:44,632 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3#1=0} Honda state: {ULTIMATE.start_main_#t~nondet3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 16:04:44,639 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2025-03-04 16:04:44,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:04:44,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 16:04:44,642 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) [2025-03-04 16:04:44,643 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 [2025-03-04 16:04:44,644 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 16:04:44,644 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 16:04:44,661 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 [2025-03-04 16:04:44,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:04:44,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 16:04:44,663 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) [2025-03-04 16:04:44,665 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 [2025-03-04 16:04:44,666 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-03-04 16:04:44,666 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 16:04:44,725 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-03-04 16:04:44,730 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 [2025-03-04 16:04:44,730 INFO L204 LassoAnalysis]: Preferences: [2025-03-04 16:04:44,731 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-04 16:04:44,731 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-04 16:04:44,731 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-04 16:04:44,731 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-03-04 16:04:44,731 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:04:44,731 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-04 16:04:44,731 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-04 16:04:44,731 INFO L132 ssoRankerPreferences]: Filename of dumped script: large_const.i_Iteration1_Loop [2025-03-04 16:04:44,731 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-04 16:04:44,731 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-04 16:04:44,732 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:04:44,746 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:04:44,748 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:04:44,750 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:04:44,754 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:04:44,792 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-04 16:04:44,794 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-03-04 16:04:44,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:04:44,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 16:04:44,798 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) [2025-03-04 16:04:44,799 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 [2025-03-04 16:04:44,801 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 16:04:44,812 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 16:04:44,813 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 16:04:44,813 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 16:04:44,813 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 16:04:44,813 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 16:04:44,817 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 16:04:44,817 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 16:04:44,819 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-03-04 16:04:44,822 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2025-03-04 16:04:44,825 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2025-03-04 16:04:44,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:04:44,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 16:04:44,828 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) [2025-03-04 16:04:44,830 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 [2025-03-04 16:04:44,831 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-03-04 16:04:44,832 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-03-04 16:04:44,832 INFO L474 LassoAnalysis]: Proved termination. [2025-03-04 16:04:44,833 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~n~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 1*ULTIMATE.start_main_~n~0#1 Supporting invariants [] [2025-03-04 16:04:44,838 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 [2025-03-04 16:04:44,843 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-03-04 16:04:44,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:04:44,878 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-04 16:04:44,883 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-04 16:04:44,883 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:04:44,883 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 16:04:44,884 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-04 16:04:44,885 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 16:04:44,893 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-04 16:04:44,895 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-04 16:04:44,895 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:04:44,895 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 16:04:44,896 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 16:04:44,897 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 16:04:44,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 16:04:44,941 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2025-03-04 16:04:44,942 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 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) [2025-03-04 16:04:44,975 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 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 25 states and 35 transitions. Complement of second has 5 states. [2025-03-04 16:04:44,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2025-03-04 16:04:44,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 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) [2025-03-04 16:04:44,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2025-03-04 16:04:44,989 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 3 letters. Loop has 3 letters. [2025-03-04 16:04:44,990 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 16:04:44,991 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 6 letters. Loop has 3 letters. [2025-03-04 16:04:44,991 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 16:04:44,991 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 3 letters. Loop has 6 letters. [2025-03-04 16:04:44,991 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 16:04:44,992 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 35 transitions. [2025-03-04 16:04:44,993 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2025-03-04 16:04:44,995 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 18 states and 26 transitions. [2025-03-04 16:04:44,995 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2025-03-04 16:04:44,996 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2025-03-04 16:04:44,996 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 26 transitions. [2025-03-04 16:04:44,996 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-03-04 16:04:44,996 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 26 transitions. [2025-03-04 16:04:45,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 26 transitions. [2025-03-04 16:04:45,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2025-03-04 16:04:45,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 16 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:04:45,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 25 transitions. [2025-03-04 16:04:45,012 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 25 transitions. [2025-03-04 16:04:45,012 INFO L432 stractBuchiCegarLoop]: Abstraction has 17 states and 25 transitions. [2025-03-04 16:04:45,012 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-03-04 16:04:45,012 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 25 transitions. [2025-03-04 16:04:45,012 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2025-03-04 16:04:45,012 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 16:04:45,012 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 16:04:45,012 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2025-03-04 16:04:45,012 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-03-04 16:04:45,013 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~nondet3#1, main_#t~post4#1, main_#t~post5#1, main_~argc#1, main_~c1~0#1, main_~c2~0#1, main_~c3~0#1, main_~n~0#1, main_~v~0#1, main_~i~0#1, main_~k~0#1, main_~j~0#1;main_~argc#1 := main_#in~argc#1;main_~c1~0#1 := 4000;main_~c2~0#1 := 2000;main_~c3~0#1 := 10000;havoc main_~n~0#1;havoc main_~v~0#1;havoc main_~i~0#1;havoc main_~k~0#1;havoc main_~j~0#1;havoc main_#t~nondet1#1;main_~n~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" "assume !!(0 <= main_~n~0#1 && main_~n~0#1 < 10);main_~k~0#1 := 0;main_~i~0#1 := 0;" "assume !(main_~i~0#1 < main_~n~0#1);main_~j~0#1 := 0;" [2025-03-04 16:04:45,013 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~j~0#1 < main_~n~0#1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~k~0#1 > 0 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1;" "assume !(0 == __VERIFIER_assert_~cond#1);" "havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;main_#t~post4#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1;main_#t~post5#1 := main_~k~0#1;main_~k~0#1 := main_#t~post5#1 - 1;havoc main_#t~post5#1;" [2025-03-04 16:04:45,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:04:45,013 INFO L85 PathProgramCache]: Analyzing trace with hash 1753651, now seen corresponding path program 1 times [2025-03-04 16:04:45,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:04:45,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863696578] [2025-03-04 16:04:45,013 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:04:45,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:04:45,017 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-04 16:04:45,019 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-04 16:04:45,020 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:04:45,020 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:04:45,020 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:04:45,023 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-04 16:04:45,027 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-04 16:04:45,027 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:04:45,027 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:04:45,029 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:04:45,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:04:45,030 INFO L85 PathProgramCache]: Analyzing trace with hash 40675, now seen corresponding path program 1 times [2025-03-04 16:04:45,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:04:45,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238793669] [2025-03-04 16:04:45,030 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:04:45,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:04:45,032 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-04 16:04:45,035 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-04 16:04:45,035 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:04:45,035 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:04:45,035 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:04:45,037 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-04 16:04:45,039 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-04 16:04:45,039 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:04:45,039 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:04:45,040 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:04:45,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:04:45,040 INFO L85 PathProgramCache]: Analyzing trace with hash 703420273, now seen corresponding path program 1 times [2025-03-04 16:04:45,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:04:45,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645308325] [2025-03-04 16:04:45,046 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:04:45,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:04:45,049 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-04 16:04:45,069 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-04 16:04:45,071 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:04:45,071 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 16:04:45,082 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 [2025-03-04 16:04:45,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 16:04:45,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 16:04:45,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645308325] [2025-03-04 16:04:45,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645308325] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 16:04:45,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 16:04:45,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 16:04:45,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055649158] [2025-03-04 16:04:45,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 16:04:45,186 INFO L204 LassoAnalysis]: Preferences: [2025-03-04 16:04:45,187 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-04 16:04:45,187 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-04 16:04:45,187 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-04 16:04:45,187 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-03-04 16:04:45,187 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:04:45,187 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-04 16:04:45,187 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-04 16:04:45,187 INFO L132 ssoRankerPreferences]: Filename of dumped script: large_const.i_Iteration2_Loop [2025-03-04 16:04:45,187 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-04 16:04:45,187 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-04 16:04:45,188 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:04:45,193 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:04:45,196 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:04:45,198 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:04:45,204 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:04:45,206 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:04:45,243 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-04 16:04:45,244 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-03-04 16:04:45,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:04:45,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 16:04:45,247 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) [2025-03-04 16:04:45,248 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 [2025-03-04 16:04:45,249 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 16:04:45,249 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 16:04:45,265 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 [2025-03-04 16:04:45,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:04:45,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 16:04:45,267 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) [2025-03-04 16:04:45,269 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 [2025-03-04 16:04:45,270 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-03-04 16:04:45,270 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 16:04:45,294 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-03-04 16:04:45,298 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2025-03-04 16:04:45,298 INFO L204 LassoAnalysis]: Preferences: [2025-03-04 16:04:45,298 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-04 16:04:45,298 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-04 16:04:45,298 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-04 16:04:45,298 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-03-04 16:04:45,298 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:04:45,298 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-04 16:04:45,298 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-04 16:04:45,298 INFO L132 ssoRankerPreferences]: Filename of dumped script: large_const.i_Iteration2_Loop [2025-03-04 16:04:45,298 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-04 16:04:45,298 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-04 16:04:45,299 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:04:45,301 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:04:45,305 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:04:45,307 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:04:45,312 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:04:45,315 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:04:45,351 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-04 16:04:45,351 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-03-04 16:04:45,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:04:45,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 16:04:45,353 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) [2025-03-04 16:04:45,354 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 [2025-03-04 16:04:45,358 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 [2025-03-04 16:04:45,368 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 16:04:45,368 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 16:04:45,368 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 16:04:45,368 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 16:04:45,368 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 16:04:45,369 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 16:04:45,369 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 16:04:45,371 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 16:04:45,376 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 [2025-03-04 16:04:45,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:04:45,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 16:04:45,379 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) [2025-03-04 16:04:45,380 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 [2025-03-04 16:04:45,381 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 [2025-03-04 16:04:45,391 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 16:04:45,391 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 16:04:45,392 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 16:04:45,392 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 16:04:45,392 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 16:04:45,393 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 16:04:45,393 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 16:04:45,395 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-03-04 16:04:45,398 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2025-03-04 16:04:45,398 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-03-04 16:04:45,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:04:45,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 16:04:45,400 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) [2025-03-04 16:04:45,402 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 [2025-03-04 16:04:45,403 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-03-04 16:04:45,403 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-03-04 16:04:45,403 INFO L474 LassoAnalysis]: Proved termination. [2025-03-04 16:04:45,403 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~k~0#1) = 1*ULTIMATE.start_main_~k~0#1 Supporting invariants [] [2025-03-04 16:04:45,409 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2025-03-04 16:04:45,410 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-03-04 16:04:45,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:04:45,426 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-04 16:04:45,432 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-04 16:04:45,432 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:04:45,432 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 16:04:45,432 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-04 16:04:45,433 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 16:04:45,443 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-04 16:04:45,445 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-04 16:04:45,445 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:04:45,445 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 16:04:45,446 WARN L254 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-04 16:04:45,448 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 16:04:45,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 16:04:45,495 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2025-03-04 16:04:45,496 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 25 transitions. cyclomatic complexity: 10 Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:04:45,527 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 25 transitions. cyclomatic complexity: 10. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 27 states and 38 transitions. Complement of second has 9 states. [2025-03-04 16:04:45,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2025-03-04 16:04:45,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:04:45,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 25 transitions. [2025-03-04 16:04:45,530 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 4 letters. Loop has 3 letters. [2025-03-04 16:04:45,530 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 16:04:45,530 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 7 letters. Loop has 3 letters. [2025-03-04 16:04:45,530 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 16:04:45,530 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 4 letters. Loop has 6 letters. [2025-03-04 16:04:45,530 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 16:04:45,531 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 38 transitions. [2025-03-04 16:04:45,531 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-03-04 16:04:45,531 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 0 states and 0 transitions. [2025-03-04 16:04:45,531 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-03-04 16:04:45,531 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-03-04 16:04:45,531 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-03-04 16:04:45,531 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-04 16:04:45,531 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-04 16:04:45,531 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-04 16:04:45,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 16:04:45,534 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 16:04:45,534 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 16:04:45,535 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:04:45,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 16:04:45,536 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2025-03-04 16:04:45,536 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2025-03-04 16:04:45,536 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-03-04 16:04:45,536 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2025-03-04 16:04:45,536 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-03-04 16:04:45,536 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-03-04 16:04:45,537 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-03-04 16:04:45,537 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-04 16:04:45,537 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-04 16:04:45,537 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-04 16:04:45,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-04 16:04:45,538 INFO L432 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-04 16:04:45,538 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-03-04 16:04:45,538 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-03-04 16:04:45,538 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-03-04 16:04:45,538 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-03-04 16:04:45,543 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 04.03 04:04:45 BoogieIcfgContainer [2025-03-04 16:04:45,544 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-03-04 16:04:45,544 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-04 16:04:45,544 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-04 16:04:45,544 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-04 16:04:45,545 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 04:04:44" (3/4) ... [2025-03-04 16:04:45,546 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-04 16:04:45,546 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-04 16:04:45,547 INFO L158 Benchmark]: Toolchain (without parser) took 1696.30ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 71.4MB in the end (delta: 35.3MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2025-03-04 16:04:45,547 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 201.3MB. Free memory was 125.1MB in the beginning and 124.8MB in the end (delta: 307.7kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 16:04:45,547 INFO L158 Benchmark]: CACSL2BoogieTranslator took 161.59ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 95.6MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 16:04:45,547 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.20ms. Allocated memory is still 142.6MB. Free memory was 95.6MB in the beginning and 94.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 16:04:45,548 INFO L158 Benchmark]: Boogie Preprocessor took 27.07ms. Allocated memory is still 142.6MB. Free memory was 94.5MB in the beginning and 93.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 16:04:45,548 INFO L158 Benchmark]: IcfgBuilder took 194.19ms. Allocated memory is still 142.6MB. Free memory was 93.3MB in the beginning and 81.0MB in the end (delta: 12.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-04 16:04:45,548 INFO L158 Benchmark]: BuchiAutomizer took 1285.85ms. Allocated memory is still 142.6MB. Free memory was 81.0MB in the beginning and 71.5MB in the end (delta: 9.5MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2025-03-04 16:04:45,548 INFO L158 Benchmark]: Witness Printer took 2.44ms. Allocated memory is still 142.6MB. Free memory was 71.5MB in the beginning and 71.4MB in the end (delta: 114.9kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 16:04:45,549 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 201.3MB. Free memory was 125.1MB in the beginning and 124.8MB in the end (delta: 307.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 161.59ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 95.6MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.20ms. Allocated memory is still 142.6MB. Free memory was 95.6MB in the beginning and 94.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.07ms. Allocated memory is still 142.6MB. Free memory was 94.5MB in the beginning and 93.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 194.19ms. Allocated memory is still 142.6MB. Free memory was 93.3MB in the beginning and 81.0MB in the end (delta: 12.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 1285.85ms. Allocated memory is still 142.6MB. Free memory was 81.0MB in the beginning and 71.5MB in the end (delta: 9.5MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * Witness Printer took 2.44ms. Allocated memory is still 142.6MB. Free memory was 71.5MB in the beginning and 71.4MB in the end (delta: 114.9kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function (((long long) -1 * i) + n) and consists of 3 locations. One deterministic module has affine ranking function k and consists of 6 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23 mSDsluCounter, 28 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20 IncrementalHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 21 mSDtfsCounter, 20 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax100 hnf100 lsp67 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq145 hnf94 smp100 dnf100 smp100 tf110 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 37ms VariablesStem: 0 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2025-03-04 16:04:45,558 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2025-03-04 16:04:45,760 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