./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-nla/knuth-nosqrt-both-t.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8fc3dc66 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-nla/knuth-nosqrt-both-t.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 32de40082bb50994df68fc070d8f806f486ffbb15d97e7d38cb4212d727a4ac4 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 19:53:52,572 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 19:53:52,624 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-03-17 19:53:52,631 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 19:53:52,631 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 19:53:52,631 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-03-17 19:53:52,653 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 19:53:52,654 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 19:53:52,654 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 19:53:52,655 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 19:53:52,656 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 19:53:52,656 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 19:53:52,656 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 19:53:52,656 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 19:53:52,656 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-03-17 19:53:52,656 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-03-17 19:53:52,656 INFO L153 SettingsManager]: * Use old map elimination=false [2025-03-17 19:53:52,657 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-03-17 19:53:52,657 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-03-17 19:53:52,657 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-03-17 19:53:52,657 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 19:53:52,657 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-03-17 19:53:52,657 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 19:53:52,657 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 19:53:52,657 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 19:53:52,657 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 19:53:52,657 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-03-17 19:53:52,658 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-03-17 19:53:52,658 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-03-17 19:53:52,658 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 19:53:52,658 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 19:53:52,658 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 19:53:52,658 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-03-17 19:53:52,658 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 19:53:52,659 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 19:53:52,659 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 19:53:52,659 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 19:53:52,659 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 19:53:52,659 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 19:53:52,659 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-03-17 19:53:52,659 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 -> 32de40082bb50994df68fc070d8f806f486ffbb15d97e7d38cb4212d727a4ac4 [2025-03-17 19:53:52,888 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 19:53:52,896 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 19:53:52,898 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 19:53:52,900 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 19:53:52,900 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 19:53:52,902 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-nla/knuth-nosqrt-both-t.i [2025-03-17 19:53:54,052 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5058adda/82968a072db943cdb01cfec5e828be67/FLAGf5f2ad277 [2025-03-17 19:53:54,250 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 19:53:54,251 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-nla/knuth-nosqrt-both-t.i [2025-03-17 19:53:54,255 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5058adda/82968a072db943cdb01cfec5e828be67/FLAGf5f2ad277 [2025-03-17 19:53:54,265 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5058adda/82968a072db943cdb01cfec5e828be67 [2025-03-17 19:53:54,267 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 19:53:54,268 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 19:53:54,269 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 19:53:54,269 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 19:53:54,272 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 19:53:54,272 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:53:54" (1/1) ... [2025-03-17 19:53:54,273 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c290e48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:53:54, skipping insertion in model container [2025-03-17 19:53:54,273 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:53:54" (1/1) ... [2025-03-17 19:53:54,282 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 19:53:54,371 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 19:53:54,375 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 19:53:54,386 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 19:53:54,393 INFO L204 MainTranslator]: Completed translation [2025-03-17 19:53:54,394 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:53:54 WrapperNode [2025-03-17 19:53:54,394 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 19:53:54,395 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 19:53:54,395 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 19:53:54,395 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 19:53:54,399 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:53:54" (1/1) ... [2025-03-17 19:53:54,401 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:53:54" (1/1) ... [2025-03-17 19:53:54,415 INFO L138 Inliner]: procedures = 5, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 55 [2025-03-17 19:53:54,415 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 19:53:54,416 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 19:53:54,416 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 19:53:54,416 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 19:53:54,422 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:53:54" (1/1) ... [2025-03-17 19:53:54,422 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:53:54" (1/1) ... [2025-03-17 19:53:54,427 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:53:54" (1/1) ... [2025-03-17 19:53:54,430 INFO L175 MemorySlicer]: No memory access in input program. [2025-03-17 19:53:54,430 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:53:54" (1/1) ... [2025-03-17 19:53:54,431 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:53:54" (1/1) ... [2025-03-17 19:53:54,432 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:53:54" (1/1) ... [2025-03-17 19:53:54,433 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:53:54" (1/1) ... [2025-03-17 19:53:54,433 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:53:54" (1/1) ... [2025-03-17 19:53:54,433 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:53:54" (1/1) ... [2025-03-17 19:53:54,434 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 19:53:54,435 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 19:53:54,435 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 19:53:54,435 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 19:53:54,436 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:53:54" (1/1) ... [2025-03-17 19:53:54,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 19:53:54,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:53:54,458 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) [2025-03-17 19:53:54,463 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 [2025-03-17 19:53:54,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 19:53:54,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 19:53:54,512 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 19:53:54,514 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 19:53:54,648 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2025-03-17 19:53:54,648 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 19:53:54,654 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 19:53:54,654 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 19:53:54,654 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:53:54 BoogieIcfgContainer [2025-03-17 19:53:54,654 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 19:53:54,655 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-03-17 19:53:54,655 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-03-17 19:53:54,659 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-03-17 19:53:54,659 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-17 19:53:54,660 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.03 07:53:54" (1/3) ... [2025-03-17 19:53:54,660 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@55b63a0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.03 07:53:54, skipping insertion in model container [2025-03-17 19:53:54,660 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-17 19:53:54,661 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:53:54" (2/3) ... [2025-03-17 19:53:54,662 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@55b63a0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.03 07:53:54, skipping insertion in model container [2025-03-17 19:53:54,662 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-17 19:53:54,662 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:53:54" (3/3) ... [2025-03-17 19:53:54,663 INFO L363 chiAutomizerObserver]: Analyzing ICFG knuth-nosqrt-both-t.i [2025-03-17 19:53:54,692 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-03-17 19:53:54,693 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-03-17 19:53:54,693 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-03-17 19:53:54,693 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-03-17 19:53:54,693 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-03-17 19:53:54,693 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-03-17 19:53:54,693 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-03-17 19:53:54,693 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-03-17 19:53:54,696 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.7) internal successors, (17), 10 states have internal predecessors, (17), 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) [2025-03-17 19:53:54,704 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2025-03-17 19:53:54,705 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-17 19:53:54,705 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-17 19:53:54,708 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-03-17 19:53:54,708 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-03-17 19:53:54,708 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-03-17 19:53:54,708 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.7) internal successors, (17), 10 states have internal predecessors, (17), 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) [2025-03-17 19:53:54,709 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2025-03-17 19:53:54,709 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-17 19:53:54,709 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-17 19:53:54,709 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-03-17 19:53:54,709 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-03-17 19:53:54,713 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_~s~0#1, main_~a~0#1, main_~r~0#1, main_~k~0#1, main_~q~0#1, main_~d~0#1, main_~n~0#1, main_~t~0#1;havoc main_~s~0#1;havoc main_~a~0#1;havoc main_~r~0#1;havoc main_~k~0#1;havoc main_~q~0#1;havoc main_~d~0#1;havoc main_~n~0#1;havoc main_~t~0#1;havoc main_#t~nondet1#1;main_~s~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~a~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;" "assume !(main_~s~0#1 % 4294967296 >= 8192);" "assume !(main_~a~0#1 % 4294967296 <= 2);main_~n~0#1 := main_~s~0#1 * main_~s~0#1;main_~d~0#1 := main_~a~0#1;main_~r~0#1 := main_~n~0#1 % 4294967296 % (main_~d~0#1 % 4294967296);main_~t~0#1 := 0;main_~k~0#1 := main_~n~0#1 % 4294967296 % ((main_~d~0#1 - 2) % 4294967296);main_~q~0#1 := 4 * (main_~n~0#1 % 4294967296 / ((main_~d~0#1 - 2) % 4294967296) - main_~n~0#1 % 4294967296 / (main_~d~0#1 % 4294967296));" [2025-03-17 19:53:54,713 INFO L754 eck$LassoCheckResult]: Loop: "assume !!((main_~s~0#1 + main_~d~0#1 * main_~k~0#1 - main_~d~0#1 * main_~t~0#1 - main_~a~0#1 * main_~k~0#1 + main_~a~0#1 * main_~t~0#1) % 4294967296 >= main_~d~0#1 % 4294967296 && 0 != main_~r~0#1 % 4294967296);" "assume (2 * main_~r~0#1 + main_~q~0#1) % 4294967296 < main_~k~0#1 % 4294967296;main_~t~0#1 := main_~r~0#1;main_~r~0#1 := 2 + (2 * main_~r~0#1 - main_~k~0#1 + main_~q~0#1 + main_~d~0#1);main_~k~0#1 := main_~t~0#1;main_~q~0#1 := 4 + main_~q~0#1;main_~d~0#1 := 2 + main_~d~0#1;" [2025-03-17 19:53:54,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:53:54,717 INFO L85 PathProgramCache]: Analyzing trace with hash 49616, now seen corresponding path program 1 times [2025-03-17 19:53:54,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:53:54,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239491912] [2025-03-17 19:53:54,723 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:53:54,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:53:54,773 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-17 19:53:54,807 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-17 19:53:54,807 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:53:54,808 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 19:53:54,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1671913599] [2025-03-17 19:53:54,812 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:53:54,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:53:54,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:53:54,814 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 19:53:54,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-17 19:53:54,837 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-17 19:53:54,842 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-17 19:53:54,842 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:53:54,842 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 19:53:54,842 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-17 19:53:54,845 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-17 19:53:54,847 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-17 19:53:54,847 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:53:54,847 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 19:53:54,855 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-17 19:53:54,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:53:54,858 INFO L85 PathProgramCache]: Analyzing trace with hash 1274, now seen corresponding path program 1 times [2025-03-17 19:53:54,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:53:54,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516371580] [2025-03-17 19:53:54,859 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:53:54,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:53:54,863 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-17 19:53:54,871 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-17 19:53:54,871 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:53:54,871 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 19:53:54,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [834448812] [2025-03-17 19:53:54,872 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:53:54,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:53:54,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:53:54,874 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 19:53:54,875 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-17 19:53:54,892 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-17 19:53:54,895 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-17 19:53:54,895 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:53:54,895 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 19:53:54,895 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-17 19:53:54,897 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-17 19:53:54,900 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-17 19:53:54,900 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:53:54,901 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 19:53:54,903 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-17 19:53:54,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:53:54,904 INFO L85 PathProgramCache]: Analyzing trace with hash 47681289, now seen corresponding path program 1 times [2025-03-17 19:53:54,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:53:54,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395764415] [2025-03-17 19:53:54,905 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:53:54,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:53:54,910 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-17 19:53:54,948 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-17 19:53:54,948 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:53:54,948 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 19:53:54,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1279109279] [2025-03-17 19:53:54,949 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:53:54,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:53:54,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:53:54,954 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 19:53:54,955 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-17 19:53:54,984 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes.