./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/termination.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-bwb/or-01.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/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_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-bwb/or-01.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7f247e4473503f47ee3194e296d6b905e51586799395e11124f119da43a61cc2 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-15 00:07:57,411 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 00:07:57,468 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-10-15 00:07:57,475 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 00:07:57,476 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 00:07:57,502 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 00:07:57,503 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 00:07:57,503 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 00:07:57,504 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 00:07:57,505 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 00:07:57,506 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 00:07:57,506 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 00:07:57,506 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 00:07:57,506 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-15 00:07:57,508 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-15 00:07:57,508 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-15 00:07:57,509 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-15 00:07:57,509 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-15 00:07:57,509 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-15 00:07:57,510 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 00:07:57,510 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-15 00:07:57,513 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 00:07:57,513 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 00:07:57,513 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-15 00:07:57,514 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-15 00:07:57,514 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-15 00:07:57,514 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 00:07:57,514 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-15 00:07:57,515 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 00:07:57,515 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-15 00:07:57,515 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 00:07:57,515 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 00:07:57,515 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 00:07:57,516 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-15 00:07:57,516 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-15 00:07:57,516 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-15 00:07:57,517 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f247e4473503f47ee3194e296d6b905e51586799395e11124f119da43a61cc2 [2024-10-15 00:07:57,754 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 00:07:57,777 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 00:07:57,781 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 00:07:57,782 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 00:07:57,783 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 00:07:57,785 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-bwb/or-01.c [2024-10-15 00:07:59,057 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 00:07:59,259 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 00:07:59,260 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-bwb/or-01.c [2024-10-15 00:07:59,267 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b59f0ff0/74e9a5f55ba64c2781b545c38e61826c/FLAG413131dd0 [2024-10-15 00:07:59,282 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b59f0ff0/74e9a5f55ba64c2781b545c38e61826c [2024-10-15 00:07:59,285 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 00:07:59,287 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-15 00:07:59,290 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 00:07:59,290 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 00:07:59,295 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 00:07:59,296 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:07:59" (1/1) ... [2024-10-15 00:07:59,297 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6eee68a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:07:59, skipping insertion in model container [2024-10-15 00:07:59,297 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:07:59" (1/1) ... [2024-10-15 00:07:59,315 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 00:07:59,441 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 00:07:59,447 INFO L200 MainTranslator]: Completed pre-run [2024-10-15 00:07:59,457 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 00:07:59,469 INFO L204 MainTranslator]: Completed translation [2024-10-15 00:07:59,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:07:59 WrapperNode [2024-10-15 00:07:59,470 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 00:07:59,471 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 00:07:59,471 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 00:07:59,471 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 00:07:59,476 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:07:59" (1/1) ... [2024-10-15 00:07:59,480 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:07:59" (1/1) ... [2024-10-15 00:07:59,495 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2024-10-15 00:07:59,496 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 00:07:59,497 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 00:07:59,497 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 00:07:59,497 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 00:07:59,505 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:07:59" (1/1) ... [2024-10-15 00:07:59,506 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:07:59" (1/1) ... [2024-10-15 00:07:59,506 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:07:59" (1/1) ... [2024-10-15 00:07:59,511 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-15 00:07:59,511 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:07:59" (1/1) ... [2024-10-15 00:07:59,511 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:07:59" (1/1) ... [2024-10-15 00:07:59,512 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:07:59" (1/1) ... [2024-10-15 00:07:59,520 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:07:59" (1/1) ... [2024-10-15 00:07:59,521 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:07:59" (1/1) ... [2024-10-15 00:07:59,521 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:07:59" (1/1) ... [2024-10-15 00:07:59,522 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 00:07:59,523 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 00:07:59,523 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 00:07:59,523 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 00:07:59,524 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:07:59" (1/1) ... [2024-10-15 00:07:59,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:07:59,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:07:59,554 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) [2024-10-15 00:07:59,556 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 [2024-10-15 00:07:59,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 00:07:59,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 00:07:59,638 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 00:07:59,641 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 00:07:59,723 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-10-15 00:07:59,723 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 00:07:59,732 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 00:07:59,732 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-15 00:07:59,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:07:59 BoogieIcfgContainer [2024-10-15 00:07:59,733 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 00:07:59,733 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-15 00:07:59,734 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-15 00:07:59,737 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-15 00:07:59,737 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-15 00:07:59,737 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.10 12:07:59" (1/3) ... [2024-10-15 00:07:59,738 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@254ad5db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 12:07:59, skipping insertion in model container [2024-10-15 00:07:59,738 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-15 00:07:59,738 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:07:59" (2/3) ... [2024-10-15 00:07:59,739 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@254ad5db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 12:07:59, skipping insertion in model container [2024-10-15 00:07:59,739 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-15 00:07:59,739 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:07:59" (3/3) ... [2024-10-15 00:07:59,740 INFO L332 chiAutomizerObserver]: Analyzing ICFG or-01.c [2024-10-15 00:07:59,781 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-15 00:07:59,782 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-15 00:07:59,782 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-15 00:07:59,782 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-15 00:07:59,782 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-15 00:07:59,782 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-15 00:07:59,783 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-15 00:07:59,783 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-15 00:07:59,786 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:07:59,805 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-10-15 00:07:59,805 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:07:59,805 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:07:59,810 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-15 00:07:59,812 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-15 00:07:59,812 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-15 00:07:59,815 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:07:59,816 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-10-15 00:07:59,816 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:07:59,817 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:07:59,818 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-15 00:07:59,818 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-15 00:07:59,825 INFO L745 eck$LassoCheckResult]: Stem: 8#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~post1#1, main_#t~bitwise2#1, main_~a~0#1, main_~b~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;main_~a~0#1 := 16;main_~b~0#1 := 30;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 6#L20-2true [2024-10-15 00:07:59,826 INFO L747 eck$LassoCheckResult]: Loop: 6#L20-2true assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 4#L22true assume 0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1;main_#t~bitwise2#1 := main_~a~0#1; 2#L22-5true main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 6#L20-2true [2024-10-15 00:07:59,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:07:59,832 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-10-15 00:07:59,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:07:59,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921250184] [2024-10-15 00:07:59,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:07:59,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:07:59,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:07:59,910 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:07:59,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:07:59,928 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:07:59,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:07:59,932 INFO L85 PathProgramCache]: Analyzing trace with hash 40820, now seen corresponding path program 1 times [2024-10-15 00:07:59,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:07:59,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189595161] [2024-10-15 00:07:59,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:07:59,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:07:59,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:07:59,952 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:07:59,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:07:59,963 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:07:59,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:07:59,965 INFO L85 PathProgramCache]: Analyzing trace with hash 28699762, now seen corresponding path program 1 times [2024-10-15 00:07:59,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:07:59,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212691246] [2024-10-15 00:07:59,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:07:59,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:07:59,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:08:00,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:08:00,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 00:08:00,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212691246] [2024-10-15 00:08:00,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212691246] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-15 00:08:00,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-15 00:08:00,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-15 00:08:00,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385997319] [2024-10-15 00:08:00,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-15 00:08:00,179 INFO L204 LassoAnalysis]: Preferences: [2024-10-15 00:08:00,180 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-15 00:08:00,180 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-15 00:08:00,180 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-15 00:08:00,180 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-15 00:08:00,180 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:00,180 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-15 00:08:00,180 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-15 00:08:00,180 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration1_Loop [2024-10-15 00:08:00,180 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-15 00:08:00,180 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-15 00:08:00,198 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:08:00,221 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:08:00,250 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:08:00,369 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-15 00:08:00,370 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-15 00:08:00,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:00,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:00,374 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) [2024-10-15 00:08:00,375 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 [2024-10-15 00:08:00,376 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:08:00,377 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:08:00,396 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-15 00:08:00,396 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post1#1=0} Honda state: {ULTIMATE.start_main_#t~post1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-15 00:08:00,407 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-10-15 00:08:00,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:00,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:00,410 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) [2024-10-15 00:08:00,412 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 [2024-10-15 00:08:00,414 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:08:00,414 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:08:00,442 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-10-15 00:08:00,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:00,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:00,445 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) [2024-10-15 00:08:00,448 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 [2024-10-15 00:08:00,449 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-15 00:08:00,450 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:08:00,640 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-15 00:08:00,646 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 [2024-10-15 00:08:00,647 INFO L204 LassoAnalysis]: Preferences: [2024-10-15 00:08:00,647 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-15 00:08:00,647 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-15 00:08:00,647 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-15 00:08:00,647 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-15 00:08:00,647 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:00,647 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-15 00:08:00,647 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-15 00:08:00,647 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration1_Loop [2024-10-15 00:08:00,647 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-15 00:08:00,647 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-15 00:08:00,649 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:08:00,652 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:08:00,670 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:08:00,748 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-15 00:08:00,753 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-15 00:08:00,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:00,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:00,757 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) [2024-10-15 00:08:00,759 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 [2024-10-15 00:08:00,760 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 [2024-10-15 00:08:00,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:08:00,772 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:08:00,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:08:00,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:08:00,772 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:08:00,774 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:08:00,774 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:08:00,776 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:08:00,792 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 [2024-10-15 00:08:00,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:00,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:00,794 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) [2024-10-15 00:08:00,796 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 [2024-10-15 00:08:00,801 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 [2024-10-15 00:08:00,811 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:08:00,812 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:08:00,812 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:08:00,812 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-10-15 00:08:00,812 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:08:00,815 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-10-15 00:08:00,815 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:08:00,819 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:08:00,833 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-10-15 00:08:00,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:00,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:00,835 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) [2024-10-15 00:08:00,836 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 [2024-10-15 00:08:00,841 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 [2024-10-15 00:08:00,851 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:08:00,851 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:08:00,851 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:08:00,852 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:08:00,852 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:08:00,852 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:08:00,852 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:08:00,854 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:08:00,865 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 [2024-10-15 00:08:00,866 INFO L451 LassoAnalysis]: Using template '2-nested'. [2024-10-15 00:08:00,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:00,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:00,867 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) [2024-10-15 00:08:00,868 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 [2024-10-15 00:08:00,869 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 [2024-10-15 00:08:00,879 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:08:00,880 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:08:00,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:08:00,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:08:00,880 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-10-15 00:08:00,881 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-10-15 00:08:00,881 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:08:00,883 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:08:00,895 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 [2024-10-15 00:08:00,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:00,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:00,897 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) [2024-10-15 00:08:00,898 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 [2024-10-15 00:08:00,899 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 [2024-10-15 00:08:00,910 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:08:00,910 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:08:00,910 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:08:00,910 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-10-15 00:08:00,910 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-10-15 00:08:00,915 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:08:00,915 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:08:00,921 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-15 00:08:00,928 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-10-15 00:08:00,929 INFO L444 ModelExtractionUtils]: 4 out of 9 variables were initially zero. Simplification set additionally 2 variables to zero. [2024-10-15 00:08:00,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:00,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:00,934 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) [2024-10-15 00:08:00,941 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 [2024-10-15 00:08:00,941 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-15 00:08:00,941 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-15 00:08:00,941 INFO L474 LassoAnalysis]: Proved termination. [2024-10-15 00:08:00,942 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = -1*ULTIMATE.start_main_~a~0#1 f1 = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2024-10-15 00:08:00,962 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-10-15 00:08:00,966 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-15 00:08:00,977 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-10-15 00:08:00,978 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-10-15 00:08:00,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:08:01,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:08:01,003 INFO L255 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-15 00:08:01,004 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:08:01,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:08:01,019 WARN L253 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-15 00:08:01,020 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:08:01,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:08:01,220 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 [2024-10-15 00:08:01,221 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2024-10-15 00:08:01,333 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 30 states and 41 transitions. Complement of second has 10 states. [2024-10-15 00:08:01,336 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 [2024-10-15 00:08:01,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2024-10-15 00:08:01,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 13 transitions. [2024-10-15 00:08:01,341 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 2 letters. Loop has 3 letters. [2024-10-15 00:08:01,342 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:08:01,342 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 5 letters. Loop has 3 letters. [2024-10-15 00:08:01,342 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:08:01,342 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 2 letters. Loop has 6 letters. [2024-10-15 00:08:01,342 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:08:01,343 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 41 transitions. [2024-10-15 00:08:01,345 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-10-15 00:08:01,347 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 18 states and 23 transitions. [2024-10-15 00:08:01,348 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-10-15 00:08:01,348 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2024-10-15 00:08:01,349 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 23 transitions. [2024-10-15 00:08:01,349 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-15 00:08:01,349 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 23 transitions. [2024-10-15 00:08:01,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 23 transitions. [2024-10-15 00:08:01,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 14. [2024-10-15 00:08:01,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:08:01,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 19 transitions. [2024-10-15 00:08:01,368 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 19 transitions. [2024-10-15 00:08:01,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 00:08:01,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-15 00:08:01,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-15 00:08:01,371 INFO L87 Difference]: Start difference. First operand 14 states and 19 transitions. Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2024-10-15 00:08:01,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 00:08:01,392 INFO L93 Difference]: Finished difference Result 13 states and 16 transitions. [2024-10-15 00:08:01,393 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 16 transitions. [2024-10-15 00:08:01,393 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-10-15 00:08:01,395 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 13 states and 16 transitions. [2024-10-15 00:08:01,395 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2024-10-15 00:08:01,395 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-10-15 00:08:01,395 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 16 transitions. [2024-10-15 00:08:01,396 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-15 00:08:01,396 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 16 transitions. [2024-10-15 00:08:01,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 16 transitions. [2024-10-15 00:08:01,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2024-10-15 00:08:01,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.25) internal successors, (15), 11 states have internal predecessors, (15), 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) [2024-10-15 00:08:01,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2024-10-15 00:08:01,398 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12 states and 15 transitions. [2024-10-15 00:08:01,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-15 00:08:01,399 INFO L425 stractBuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2024-10-15 00:08:01,399 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-15 00:08:01,399 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 15 transitions. [2024-10-15 00:08:01,400 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-10-15 00:08:01,400 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:08:01,400 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:08:01,400 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-10-15 00:08:01,400 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-15 00:08:01,400 INFO L745 eck$LassoCheckResult]: Stem: 126#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 127#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~post1#1, main_#t~bitwise2#1, main_~a~0#1, main_~b~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;main_~a~0#1 := 16;main_~b~0#1 := 30;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 124#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 122#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 123#L22-2 assume 0 == main_~a~0#1;main_#t~bitwise2#1 := main_~b~0#1; 120#L22-5 [2024-10-15 00:08:01,400 INFO L747 eck$LassoCheckResult]: Loop: 120#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 121#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 130#L22 assume 0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1;main_#t~bitwise2#1 := main_~a~0#1; 120#L22-5 [2024-10-15 00:08:01,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:08:01,401 INFO L85 PathProgramCache]: Analyzing trace with hash 28699819, now seen corresponding path program 1 times [2024-10-15 00:08:01,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:08:01,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160072260] [2024-10-15 00:08:01,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:08:01,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:08:01,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:08:01,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:08:01,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 00:08:01,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160072260] [2024-10-15 00:08:01,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160072260] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-15 00:08:01,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-15 00:08:01,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-15 00:08:01,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605784823] [2024-10-15 00:08:01,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-15 00:08:01,452 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-15 00:08:01,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:08:01,452 INFO L85 PathProgramCache]: Analyzing trace with hash 53210, now seen corresponding path program 2 times [2024-10-15 00:08:01,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:08:01,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269427134] [2024-10-15 00:08:01,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:08:01,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:08:01,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:08:01,460 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:08:01,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:08:01,465 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:08:01,523 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-10-15 00:08:01,531 INFO L204 LassoAnalysis]: Preferences: [2024-10-15 00:08:01,532 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-15 00:08:01,532 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-15 00:08:01,532 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-15 00:08:01,532 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-15 00:08:01,532 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:01,532 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-15 00:08:01,533 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-15 00:08:01,533 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration2_Loop [2024-10-15 00:08:01,533 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-15 00:08:01,533 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-15 00:08:01,534 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:08:01,547 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:08:01,549 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:08:01,613 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-15 00:08:01,613 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-15 00:08:01,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:01,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:01,615 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) [2024-10-15 00:08:01,616 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 [2024-10-15 00:08:01,617 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:08:01,618 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:08:01,642 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 [2024-10-15 00:08:01,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:01,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:01,644 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:08:01,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-10-15 00:08:01,646 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-15 00:08:01,646 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:08:01,888 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-15 00:08:01,894 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-10-15 00:08:01,895 INFO L204 LassoAnalysis]: Preferences: [2024-10-15 00:08:01,895 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-15 00:08:01,895 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-15 00:08:01,895 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-15 00:08:01,895 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-15 00:08:01,895 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:01,895 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-15 00:08:01,895 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-15 00:08:01,895 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration2_Loop [2024-10-15 00:08:01,895 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-15 00:08:01,896 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-15 00:08:01,897 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:08:01,911 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:08:01,918 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:08:01,988 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-15 00:08:01,989 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-15 00:08:01,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:01,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:01,992 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:08:01,993 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-10-15 00:08:01,994 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 [2024-10-15 00:08:02,004 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:08:02,004 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:08:02,004 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:08:02,004 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:08:02,004 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:08:02,005 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:08:02,005 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:08:02,006 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:08:02,021 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-10-15 00:08:02,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:02,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:02,023 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:08:02,024 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-10-15 00:08:02,026 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-15 00:08:02,036 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:08:02,036 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:08:02,037 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:08:02,037 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:08:02,037 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:08:02,037 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:08:02,037 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:08:02,039 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:08:02,050 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-10-15 00:08:02,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:02,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:02,053 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:08:02,055 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-10-15 00:08:02,056 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 [2024-10-15 00:08:02,066 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:08:02,066 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:08:02,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:08:02,066 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-10-15 00:08:02,066 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:08:02,068 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-10-15 00:08:02,068 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:08:02,072 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:08:02,083 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-10-15 00:08:02,083 INFO L451 LassoAnalysis]: Using template '2-nested'. [2024-10-15 00:08:02,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:02,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:02,085 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:08:02,086 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-10-15 00:08:02,087 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 [2024-10-15 00:08:02,098 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:08:02,098 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:08:02,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:08:02,098 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:08:02,098 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-10-15 00:08:02,099 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-10-15 00:08:02,099 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:08:02,100 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:08:02,112 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-10-15 00:08:02,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:02,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:02,115 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:08:02,116 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-10-15 00:08:02,117 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 [2024-10-15 00:08:02,127 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:08:02,127 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:08:02,127 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:08:02,127 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:08:02,127 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-10-15 00:08:02,128 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-10-15 00:08:02,128 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:08:02,129 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:08:02,141 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-10-15 00:08:02,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:02,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:02,143 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:08:02,145 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-10-15 00:08:02,146 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 [2024-10-15 00:08:02,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:08:02,157 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:08:02,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:08:02,157 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-10-15 00:08:02,157 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-10-15 00:08:02,161 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:08:02,161 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:08:02,171 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-15 00:08:02,179 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2024-10-15 00:08:02,180 INFO L444 ModelExtractionUtils]: 3 out of 9 variables were initially zero. Simplification set additionally 2 variables to zero. [2024-10-15 00:08:02,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:02,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:02,181 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:08:02,183 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-10-15 00:08:02,184 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-15 00:08:02,184 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-15 00:08:02,184 INFO L474 LassoAnalysis]: Proved termination. [2024-10-15 00:08:02,184 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = -1*ULTIMATE.start_main_~a~0#1 f1 = 1*ULTIMATE.start_main_~x~0#1 - 1*ULTIMATE.start_main_#t~bitwise2#1 Supporting invariants [] [2024-10-15 00:08:02,195 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2024-10-15 00:08:02,196 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-15 00:08:02,199 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-10-15 00:08:02,200 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-10-15 00:08:02,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:08:02,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:08:02,216 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-15 00:08:02,216 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:08:02,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:08:02,226 WARN L253 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-15 00:08:02,226 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:08:02,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:08:02,358 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 [2024-10-15 00:08:02,358 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 4 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:08:02,393 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 4. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 29 states and 37 transitions. Complement of second has 7 states. [2024-10-15 00:08:02,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-10-15 00:08:02,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:08:02,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2024-10-15 00:08:02,394 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 5 letters. Loop has 3 letters. [2024-10-15 00:08:02,394 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:08:02,394 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 8 letters. Loop has 3 letters. [2024-10-15 00:08:02,395 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:08:02,395 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 5 letters. Loop has 6 letters. [2024-10-15 00:08:02,395 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:08:02,395 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 37 transitions. [2024-10-15 00:08:02,396 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2024-10-15 00:08:02,396 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 27 states and 35 transitions. [2024-10-15 00:08:02,396 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2024-10-15 00:08:02,396 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2024-10-15 00:08:02,396 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 35 transitions. [2024-10-15 00:08:02,396 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-15 00:08:02,396 INFO L218 hiAutomatonCegarLoop]: Abstraction has 27 states and 35 transitions. [2024-10-15 00:08:02,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 35 transitions. [2024-10-15 00:08:02,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 25. [2024-10-15 00:08:02,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.32) internal successors, (33), 24 states have internal predecessors, (33), 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) [2024-10-15 00:08:02,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 33 transitions. [2024-10-15 00:08:02,399 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 33 transitions. [2024-10-15 00:08:02,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 00:08:02,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-15 00:08:02,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-15 00:08:02,399 INFO L87 Difference]: Start difference. First operand 25 states and 33 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 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) [2024-10-15 00:08:02,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 00:08:02,411 INFO L93 Difference]: Finished difference Result 12 states and 13 transitions. [2024-10-15 00:08:02,411 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 13 transitions. [2024-10-15 00:08:02,411 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-10-15 00:08:02,413 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 10 states and 11 transitions. [2024-10-15 00:08:02,413 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-10-15 00:08:02,413 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-10-15 00:08:02,413 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 11 transitions. [2024-10-15 00:08:02,413 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-15 00:08:02,413 INFO L218 hiAutomatonCegarLoop]: Abstraction has 10 states and 11 transitions. [2024-10-15 00:08:02,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 11 transitions. [2024-10-15 00:08:02,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2024-10-15 00:08:02,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:08:02,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2024-10-15 00:08:02,416 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 10 transitions. [2024-10-15 00:08:02,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-15 00:08:02,417 INFO L425 stractBuchiCegarLoop]: Abstraction has 9 states and 10 transitions. [2024-10-15 00:08:02,418 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-15 00:08:02,418 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 10 transitions. [2024-10-15 00:08:02,419 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-10-15 00:08:02,419 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:08:02,419 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:08:02,419 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-10-15 00:08:02,419 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-10-15 00:08:02,419 INFO L745 eck$LassoCheckResult]: Stem: 254#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 255#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~post1#1, main_#t~bitwise2#1, main_~a~0#1, main_~b~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;main_~a~0#1 := 16;main_~b~0#1 := 30;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 253#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 251#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 252#L22-2 [2024-10-15 00:08:02,421 INFO L747 eck$LassoCheckResult]: Loop: 252#L22-2 assume !(0 == main_~a~0#1); 256#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 249#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 250#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 257#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 252#L22-2 [2024-10-15 00:08:02,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:08:02,422 INFO L85 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 1 times [2024-10-15 00:08:02,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:08:02,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041670053] [2024-10-15 00:08:02,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:08:02,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:08:02,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:08:02,428 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:08:02,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:08:02,436 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:08:02,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:08:02,437 INFO L85 PathProgramCache]: Analyzing trace with hash 48701915, now seen corresponding path program 1 times [2024-10-15 00:08:02,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:08:02,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461083459] [2024-10-15 00:08:02,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:08:02,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:08:02,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:08:02,448 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:08:02,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:08:02,456 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:08:02,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:08:02,456 INFO L85 PathProgramCache]: Analyzing trace with hash 644884948, now seen corresponding path program 1 times [2024-10-15 00:08:02,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:08:02,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241867759] [2024-10-15 00:08:02,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:08:02,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:08:02,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:08:02,470 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:08:02,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:08:02,479 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:08:02,600 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-10-15 00:08:02,668 INFO L204 LassoAnalysis]: Preferences: [2024-10-15 00:08:02,668 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-15 00:08:02,668 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-15 00:08:02,668 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-15 00:08:02,668 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-15 00:08:02,668 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:02,668 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-15 00:08:02,668 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-15 00:08:02,669 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration3_Loop [2024-10-15 00:08:02,669 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-15 00:08:02,669 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-15 00:08:02,670 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:08:02,708 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:08:02,709 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:08:02,758 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2024-10-15 00:08:03,093 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-15 00:08:03,093 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-15 00:08:03,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:03,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:03,095 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:08:03,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-10-15 00:08:03,097 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:08:03,097 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:08:03,135 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-10-15 00:08:03,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:03,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:03,138 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:08:03,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-10-15 00:08:03,143 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-15 00:08:03,143 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:08:03,179 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-15 00:08:03,180 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=-3, ULTIMATE.start_main_~a~0#1=2, ULTIMATE.start_main_~b~0#1=-4} Honda state: {ULTIMATE.start_main_~x~0#1=-3, ULTIMATE.start_main_~a~0#1=2, ULTIMATE.start_main_~b~0#1=-4} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0#1=2, ULTIMATE.start_main_~a~0#1=0, ULTIMATE.start_main_~b~0#1=0}, {ULTIMATE.start_main_~x~0#1=1, ULTIMATE.start_main_~a~0#1=1, ULTIMATE.start_main_~b~0#1=0}, {ULTIMATE.start_main_~x~0#1=1, ULTIMATE.start_main_~a~0#1=0, ULTIMATE.start_main_~b~0#1=0}] Lambdas: [1, 1, 1] Nus: [0, 0] [2024-10-15 00:08:03,186 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-10-15 00:08:03,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:03,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:03,188 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:08:03,189 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-10-15 00:08:03,190 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:08:03,190 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:08:03,201 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-15 00:08:03,201 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~bitwise2#1=0} Honda state: {ULTIMATE.start_main_#t~bitwise2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-15 00:08:03,213 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2024-10-15 00:08:03,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:03,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:03,214 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:08:03,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-10-15 00:08:03,216 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:08:03,216 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:08:03,232 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-15 00:08:03,232 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post1#1=0} Honda state: {ULTIMATE.start_main_#t~post1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-15 00:08:03,242 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2024-10-15 00:08:03,271 INFO L204 LassoAnalysis]: Preferences: [2024-10-15 00:08:03,272 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-15 00:08:03,272 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-15 00:08:03,272 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-15 00:08:03,272 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-15 00:08:03,272 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:03,272 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-15 00:08:03,272 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-15 00:08:03,272 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration3_Lasso [2024-10-15 00:08:03,272 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-15 00:08:03,272 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-15 00:08:03,273 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:08:03,275 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:08:03,277 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:08:03,319 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:08:03,321 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:08:03,379 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2024-10-15 00:08:03,722 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-15 00:08:03,722 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-15 00:08:03,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:03,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:03,724 INFO L229 MonitoredProcess]: Starting monitored process 24 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) [2024-10-15 00:08:03,725 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-10-15 00:08:03,725 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:08:03,726 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:08:03,736 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-15 00:08:03,737 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~bitwise2#1=0} Honda state: {ULTIMATE.start_main_#t~bitwise2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-15 00:08:03,748 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-10-15 00:08:03,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:03,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:03,750 INFO L229 MonitoredProcess]: Starting monitored process 25 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) [2024-10-15 00:08:03,751 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-10-15 00:08:03,752 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:08:03,752 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:08:03,763 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-15 00:08:03,763 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=0} Honda state: {ULTIMATE.start_main_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-15 00:08:03,774 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-10-15 00:08:03,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:03,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:03,776 INFO L229 MonitoredProcess]: Starting monitored process 26 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) [2024-10-15 00:08:03,777 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-10-15 00:08:03,778 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:08:03,778 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:08:03,803 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2024-10-15 00:08:03,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:03,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:03,805 INFO L229 MonitoredProcess]: Starting monitored process 27 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) [2024-10-15 00:08:03,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-10-15 00:08:03,807 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-15 00:08:03,807 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:08:03,836 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-15 00:08:03,842 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2024-10-15 00:08:03,842 INFO L204 LassoAnalysis]: Preferences: [2024-10-15 00:08:03,842 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-15 00:08:03,842 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-15 00:08:03,842 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-15 00:08:03,842 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-15 00:08:03,842 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:03,842 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-15 00:08:03,843 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-15 00:08:03,843 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration3_Lasso [2024-10-15 00:08:03,843 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-15 00:08:03,843 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-15 00:08:03,844 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:08:03,846 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:08:03,847 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:08:03,886 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:08:03,888 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:08:03,945 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2024-10-15 00:08:04,242 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-15 00:08:04,243 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-15 00:08:04,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:04,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:04,244 INFO L229 MonitoredProcess]: Starting monitored process 28 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) [2024-10-15 00:08:04,246 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-10-15 00:08:04,246 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 [2024-10-15 00:08:04,257 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:08:04,257 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:08:04,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:08:04,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:08:04,258 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:08:04,258 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:08:04,258 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:08:04,260 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:08:04,270 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2024-10-15 00:08:04,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:04,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:04,272 INFO L229 MonitoredProcess]: Starting monitored process 29 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) [2024-10-15 00:08:04,272 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-10-15 00:08:04,273 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 [2024-10-15 00:08:04,283 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:08:04,283 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:08:04,283 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:08:04,283 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:08:04,283 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:08:04,283 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:08:04,283 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:08:04,285 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:08:04,296 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2024-10-15 00:08:04,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:04,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:04,297 INFO L229 MonitoredProcess]: Starting monitored process 30 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) [2024-10-15 00:08:04,298 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-10-15 00:08:04,299 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 [2024-10-15 00:08:04,309 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:08:04,309 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:08:04,309 INFO L204 nArgumentSynthesizer]: 7 loop disjuncts [2024-10-15 00:08:04,309 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:08:04,384 INFO L401 nArgumentSynthesizer]: We have 126 Motzkin's Theorem applications. [2024-10-15 00:08:04,384 INFO L402 nArgumentSynthesizer]: A total of 14 supporting invariants were added. [2024-10-15 00:08:05,555 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-15 00:08:06,161 INFO L443 ModelExtractionUtils]: Simplification made 25 calls to the SMT solver. [2024-10-15 00:08:06,161 INFO L444 ModelExtractionUtils]: 30 out of 61 variables were initially zero. Simplification set additionally 25 variables to zero. [2024-10-15 00:08:06,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:06,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:06,163 INFO L229 MonitoredProcess]: Starting monitored process 31 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) [2024-10-15 00:08:06,165 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-10-15 00:08:06,165 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-15 00:08:06,185 INFO L438 nArgumentSynthesizer]: Removed 13 redundant supporting invariants from a total of 14. [2024-10-15 00:08:06,186 INFO L474 LassoAnalysis]: Proved termination. [2024-10-15 00:08:06,186 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~a~0#1) = -2*ULTIMATE.start_main_~a~0#1 + 4294967295 Supporting invariants [2*ULTIMATE.start_main_~b~0#1 - 2*ULTIMATE.start_main_~a~0#1 + 3 >= 0] [2024-10-15 00:08:06,205 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2024-10-15 00:08:06,213 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2024-10-15 00:08:06,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:08:06,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:08:06,246 INFO L255 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-15 00:08:06,246 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:08:06,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:08:06,280 WARN L253 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-15 00:08:06,281 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:08:06,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:08:06,375 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 5 loop predicates [2024-10-15 00:08:06,376 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states and 10 transitions. cyclomatic complexity: 2 Second operand has 8 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:08:06,443 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states and 10 transitions. cyclomatic complexity: 2. Second operand has 8 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 21 states and 24 transitions. Complement of second has 13 states. [2024-10-15 00:08:06,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 3 stem states 4 non-accepting loop states 1 accepting loop states [2024-10-15 00:08:06,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:08:06,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2024-10-15 00:08:06,444 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 10 transitions. Stem has 4 letters. Loop has 5 letters. [2024-10-15 00:08:06,444 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:08:06,444 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 10 transitions. Stem has 9 letters. Loop has 5 letters. [2024-10-15 00:08:06,444 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:08:06,445 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 10 transitions. Stem has 4 letters. Loop has 10 letters. [2024-10-15 00:08:06,445 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:08:06,445 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 24 transitions. [2024-10-15 00:08:06,445 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-10-15 00:08:06,446 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 16 states and 18 transitions. [2024-10-15 00:08:06,446 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-10-15 00:08:06,446 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-10-15 00:08:06,446 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 18 transitions. [2024-10-15 00:08:06,446 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-15 00:08:06,446 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 18 transitions. [2024-10-15 00:08:06,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 18 transitions. [2024-10-15 00:08:06,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2024-10-15 00:08:06,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 14 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) [2024-10-15 00:08:06,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2024-10-15 00:08:06,447 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 17 transitions. [2024-10-15 00:08:06,447 INFO L425 stractBuchiCegarLoop]: Abstraction has 15 states and 17 transitions. [2024-10-15 00:08:06,448 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-10-15 00:08:06,448 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 17 transitions. [2024-10-15 00:08:06,448 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-10-15 00:08:06,448 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:08:06,448 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:08:06,448 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1] [2024-10-15 00:08:06,448 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-15 00:08:06,449 INFO L745 eck$LassoCheckResult]: Stem: 362#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 363#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~post1#1, main_#t~bitwise2#1, main_~a~0#1, main_~b~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;main_~a~0#1 := 16;main_~b~0#1 := 30;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 361#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 357#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 358#L22-2 assume !(0 == main_~a~0#1); 365#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 355#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 356#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 359#L22 assume 0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1;main_#t~bitwise2#1 := main_~a~0#1; 353#L22-5 [2024-10-15 00:08:06,449 INFO L747 eck$LassoCheckResult]: Loop: 353#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 354#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 367#L22 assume 0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1;main_#t~bitwise2#1 := main_~a~0#1; 353#L22-5 [2024-10-15 00:08:06,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:08:06,449 INFO L85 PathProgramCache]: Analyzing trace with hash 644884946, now seen corresponding path program 1 times [2024-10-15 00:08:06,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:08:06,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628401406] [2024-10-15 00:08:06,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:08:06,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:08:06,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:08:06,542 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:08:06,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 00:08:06,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628401406] [2024-10-15 00:08:06,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628401406] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-15 00:08:06,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [217366246] [2024-10-15 00:08:06,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:08:06,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-15 00:08:06,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:06,545 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-15 00:08:06,546 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-10-15 00:08:06,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:08:06,574 INFO L255 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-15 00:08:06,575 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:08:06,627 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:08:06,627 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-15 00:08:06,746 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:08:06,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [217366246] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-15 00:08:06,747 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-15 00:08:06,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 6] total 15 [2024-10-15 00:08:06,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062652543] [2024-10-15 00:08:06,747 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-15 00:08:06,747 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-15 00:08:06,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:08:06,747 INFO L85 PathProgramCache]: Analyzing trace with hash 53210, now seen corresponding path program 3 times [2024-10-15 00:08:06,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:08:06,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302183132] [2024-10-15 00:08:06,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:08:06,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:08:06,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:08:06,751 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:08:06,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:08:06,753 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:08:06,810 INFO L204 LassoAnalysis]: Preferences: [2024-10-15 00:08:06,810 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-15 00:08:06,810 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-15 00:08:06,810 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-15 00:08:06,810 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-15 00:08:06,810 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:06,810 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-15 00:08:06,810 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-15 00:08:06,810 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration4_Loop [2024-10-15 00:08:06,811 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-15 00:08:06,811 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-15 00:08:06,812 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:08:06,814 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:08:06,814 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2024-10-15 00:08:06,824 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:08:06,874 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-15 00:08:06,874 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-15 00:08:06,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:06,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:06,876 INFO L229 MonitoredProcess]: Starting monitored process 33 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) [2024-10-15 00:08:06,877 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-10-15 00:08:06,878 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:08:06,878 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:08:06,890 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-15 00:08:06,891 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post1#1=0} Honda state: {ULTIMATE.start_main_#t~post1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-15 00:08:06,902 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2024-10-15 00:08:06,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:06,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:06,904 INFO L229 MonitoredProcess]: Starting monitored process 34 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) [2024-10-15 00:08:06,904 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-10-15 00:08:06,905 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:08:06,905 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:08:06,927 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2024-10-15 00:08:06,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:06,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:06,929 INFO L229 MonitoredProcess]: Starting monitored process 35 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) [2024-10-15 00:08:06,929 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-10-15 00:08:06,930 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-15 00:08:06,930 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:08:07,136 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-15 00:08:07,142 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2024-10-15 00:08:07,142 INFO L204 LassoAnalysis]: Preferences: [2024-10-15 00:08:07,142 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-15 00:08:07,142 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-15 00:08:07,142 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-15 00:08:07,142 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-15 00:08:07,142 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:07,142 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-15 00:08:07,142 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-15 00:08:07,142 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration4_Loop [2024-10-15 00:08:07,142 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-15 00:08:07,143 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-15 00:08:07,143 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:08:07,148 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:08:07,153 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:08:07,217 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-15 00:08:07,217 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-15 00:08:07,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:07,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:07,219 INFO L229 MonitoredProcess]: Starting monitored process 36 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) [2024-10-15 00:08:07,220 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-10-15 00:08:07,220 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 [2024-10-15 00:08:07,232 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:08:07,232 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:08:07,232 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:08:07,232 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:08:07,232 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:08:07,233 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:08:07,233 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:08:07,234 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:08:07,245 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2024-10-15 00:08:07,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:07,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:07,246 INFO L229 MonitoredProcess]: Starting monitored process 37 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) [2024-10-15 00:08:07,248 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-10-15 00:08:07,249 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 [2024-10-15 00:08:07,259 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:08:07,259 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:08:07,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:08:07,260 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:08:07,260 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:08:07,260 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:08:07,260 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:08:07,262 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:08:07,274 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2024-10-15 00:08:07,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:07,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:07,276 INFO L229 MonitoredProcess]: Starting monitored process 38 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) [2024-10-15 00:08:07,278 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-10-15 00:08:07,279 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 [2024-10-15 00:08:07,289 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:08:07,290 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:08:07,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:08:07,290 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-10-15 00:08:07,290 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:08:07,292 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-10-15 00:08:07,292 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:08:07,301 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:08:07,312 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2024-10-15 00:08:07,313 INFO L451 LassoAnalysis]: Using template '2-nested'. [2024-10-15 00:08:07,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:07,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:07,314 INFO L229 MonitoredProcess]: Starting monitored process 39 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) [2024-10-15 00:08:07,315 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-10-15 00:08:07,316 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-15 00:08:07,331 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:08:07,331 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:08:07,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:08:07,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:08:07,332 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-10-15 00:08:07,332 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-10-15 00:08:07,332 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:08:07,337 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:08:07,347 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2024-10-15 00:08:07,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:07,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:07,349 INFO L229 MonitoredProcess]: Starting monitored process 40 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) [2024-10-15 00:08:07,350 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-10-15 00:08:07,350 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 [2024-10-15 00:08:07,360 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:08:07,360 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:08:07,361 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:08:07,361 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:08:07,361 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-10-15 00:08:07,361 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-10-15 00:08:07,361 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:08:07,362 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:08:07,373 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2024-10-15 00:08:07,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:07,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:07,374 INFO L229 MonitoredProcess]: Starting monitored process 41 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) [2024-10-15 00:08:07,375 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-10-15 00:08:07,375 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 [2024-10-15 00:08:07,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:08:07,386 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:08:07,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:08:07,386 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-10-15 00:08:07,386 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-10-15 00:08:07,388 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:08:07,388 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:08:07,393 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-15 00:08:07,400 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2024-10-15 00:08:07,400 INFO L444 ModelExtractionUtils]: 3 out of 9 variables were initially zero. Simplification set additionally 2 variables to zero. [2024-10-15 00:08:07,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:07,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:07,402 INFO L229 MonitoredProcess]: Starting monitored process 42 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) [2024-10-15 00:08:07,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2024-10-15 00:08:07,426 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-15 00:08:07,426 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-15 00:08:07,426 INFO L474 LassoAnalysis]: Proved termination. [2024-10-15 00:08:07,426 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = -1*ULTIMATE.start_main_~a~0#1 f1 = -1*ULTIMATE.start_main_#t~bitwise2#1 + 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2024-10-15 00:08:07,437 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2024-10-15 00:08:07,438 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-15 00:08:07,439 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-10-15 00:08:07,439 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-10-15 00:08:07,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:08:07,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:08:07,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-15 00:08:07,463 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:08:07,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:08:07,472 WARN L253 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-15 00:08:07,473 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:08:07,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:08:07,558 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 [2024-10-15 00:08:07,558 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 17 transitions. cyclomatic complexity: 4 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2024-10-15 00:08:07,583 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 17 transitions. cyclomatic complexity: 4. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 31 transitions. Complement of second has 7 states. [2024-10-15 00:08:07,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-10-15 00:08:07,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2024-10-15 00:08:07,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2024-10-15 00:08:07,584 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 9 letters. Loop has 3 letters. [2024-10-15 00:08:07,584 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:08:07,584 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 12 letters. Loop has 3 letters. [2024-10-15 00:08:07,585 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:08:07,585 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 9 letters. Loop has 6 letters. [2024-10-15 00:08:07,585 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:08:07,585 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 31 transitions. [2024-10-15 00:08:07,585 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-10-15 00:08:07,586 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 24 states and 28 transitions. [2024-10-15 00:08:07,586 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2024-10-15 00:08:07,586 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2024-10-15 00:08:07,586 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 28 transitions. [2024-10-15 00:08:07,586 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-15 00:08:07,586 INFO L218 hiAutomatonCegarLoop]: Abstraction has 24 states and 28 transitions. [2024-10-15 00:08:07,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 28 transitions. [2024-10-15 00:08:07,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 21. [2024-10-15 00:08:07,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 20 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) [2024-10-15 00:08:07,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2024-10-15 00:08:07,588 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 25 transitions. [2024-10-15 00:08:07,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 00:08:07,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-15 00:08:07,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2024-10-15 00:08:07,588 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand has 16 states, 15 states have (on average 1.6666666666666667) 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) [2024-10-15 00:08:07,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 00:08:07,639 INFO L93 Difference]: Finished difference Result 30 states and 34 transitions. [2024-10-15 00:08:07,639 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 34 transitions. [2024-10-15 00:08:07,640 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-10-15 00:08:07,640 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 30 states and 34 transitions. [2024-10-15 00:08:07,640 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2024-10-15 00:08:07,640 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-10-15 00:08:07,640 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 34 transitions. [2024-10-15 00:08:07,640 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-15 00:08:07,640 INFO L218 hiAutomatonCegarLoop]: Abstraction has 30 states and 34 transitions. [2024-10-15 00:08:07,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 34 transitions. [2024-10-15 00:08:07,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2024-10-15 00:08:07,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.1333333333333333) internal successors, (34), 29 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:08:07,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions. [2024-10-15 00:08:07,642 INFO L240 hiAutomatonCegarLoop]: Abstraction has 30 states and 34 transitions. [2024-10-15 00:08:07,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-15 00:08:07,643 INFO L425 stractBuchiCegarLoop]: Abstraction has 30 states and 34 transitions. [2024-10-15 00:08:07,643 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-10-15 00:08:07,643 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 34 transitions. [2024-10-15 00:08:07,644 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-10-15 00:08:07,644 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:08:07,644 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:08:07,644 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 4, 4, 3, 3, 1, 1, 1] [2024-10-15 00:08:07,644 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-10-15 00:08:07,644 INFO L745 eck$LassoCheckResult]: Stem: 580#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 581#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~post1#1, main_#t~bitwise2#1, main_~a~0#1, main_~b~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;main_~a~0#1 := 16;main_~b~0#1 := 30;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 584#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 587#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 585#L22-2 assume !(0 == main_~a~0#1); 583#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 573#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 574#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 577#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 578#L22-2 assume !(0 == main_~a~0#1); 586#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 600#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 599#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 598#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 590#L22-2 assume !(0 == main_~a~0#1); 597#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 596#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 592#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 589#L22 assume 0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1;main_#t~bitwise2#1 := main_~a~0#1; 591#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 579#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 575#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 576#L22-2 [2024-10-15 00:08:07,645 INFO L747 eck$LassoCheckResult]: Loop: 576#L22-2 assume !(0 == main_~a~0#1); 582#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 571#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 572#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 588#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 576#L22-2 [2024-10-15 00:08:07,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:08:07,645 INFO L85 PathProgramCache]: Analyzing trace with hash -1908372501, now seen corresponding path program 2 times [2024-10-15 00:08:07,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:08:07,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441247813] [2024-10-15 00:08:07,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:08:07,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:08:07,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:08:07,876 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 11 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:08:07,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 00:08:07,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441247813] [2024-10-15 00:08:07,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441247813] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-15 00:08:07,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [22958549] [2024-10-15 00:08:07,877 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-15 00:08:07,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-15 00:08:07,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:07,879 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-15 00:08:07,880 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2024-10-15 00:08:07,910 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-15 00:08:07,910 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-15 00:08:07,911 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-15 00:08:07,912 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:08:07,965 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2024-10-15 00:08:08,063 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 11 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:08:08,064 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-15 00:08:08,327 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 11 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:08:08,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [22958549] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-15 00:08:08,329 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-15 00:08:08,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 13] total 30 [2024-10-15 00:08:08,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135657326] [2024-10-15 00:08:08,329 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-15 00:08:08,329 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-15 00:08:08,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:08:08,332 INFO L85 PathProgramCache]: Analyzing trace with hash 48701915, now seen corresponding path program 2 times [2024-10-15 00:08:08,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:08:08,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467123291] [2024-10-15 00:08:08,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:08:08,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:08:08,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:08:08,335 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:08:08,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:08:08,339 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:08:08,486 INFO L204 LassoAnalysis]: Preferences: [2024-10-15 00:08:08,487 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-15 00:08:08,487 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-15 00:08:08,487 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-15 00:08:08,487 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-15 00:08:08,487 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:08,487 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-15 00:08:08,487 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-15 00:08:08,487 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration5_Loop [2024-10-15 00:08:08,487 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-15 00:08:08,487 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-15 00:08:08,488 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:08:08,492 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:08:08,531 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:08:08,577 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2024-10-15 00:08:08,859 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-15 00:08:08,859 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-15 00:08:08,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:08,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:08,864 INFO L229 MonitoredProcess]: Starting monitored process 44 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) [2024-10-15 00:08:08,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2024-10-15 00:08:08,868 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:08:08,868 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:08:08,879 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-15 00:08:08,880 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post1#1=0} Honda state: {ULTIMATE.start_main_#t~post1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-15 00:08:08,890 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2024-10-15 00:08:08,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:08,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:08,892 INFO L229 MonitoredProcess]: Starting monitored process 45 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) [2024-10-15 00:08:08,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2024-10-15 00:08:08,894 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:08:08,894 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:08:08,928 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2024-10-15 00:08:08,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:08,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:08,931 INFO L229 MonitoredProcess]: Starting monitored process 46 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) [2024-10-15 00:08:08,933 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2024-10-15 00:08:08,934 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-15 00:08:08,934 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:08:08,969 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-15 00:08:08,973 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=-1, ULTIMATE.start_main_~a~0#1=2, ULTIMATE.start_main_~b~0#1=-2} Honda state: {ULTIMATE.start_main_~x~0#1=-1, ULTIMATE.start_main_~a~0#1=2, ULTIMATE.start_main_~b~0#1=-2} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0#1=1, ULTIMATE.start_main_~a~0#1=0, ULTIMATE.start_main_~b~0#1=0}, {ULTIMATE.start_main_~x~0#1=1, ULTIMATE.start_main_~a~0#1=1, ULTIMATE.start_main_~b~0#1=0}, {ULTIMATE.start_main_~x~0#1=0, ULTIMATE.start_main_~a~0#1=0, ULTIMATE.start_main_~b~0#1=0}] Lambdas: [1, 1, 1] Nus: [0, 0] [2024-10-15 00:08:08,978 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2024-10-15 00:08:08,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:08,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:08,980 INFO L229 MonitoredProcess]: Starting monitored process 47 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) [2024-10-15 00:08:08,980 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2024-10-15 00:08:08,981 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:08:08,981 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:08:08,994 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-15 00:08:08,994 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~bitwise2#1=0} Honda state: {ULTIMATE.start_main_#t~bitwise2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-15 00:08:09,005 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2024-10-15 00:08:09,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 00:08:09,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-10-15 00:08:09,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=201, Invalid=669, Unknown=0, NotChecked=0, Total=870 [2024-10-15 00:08:09,006 INFO L87 Difference]: Start difference. First operand 30 states and 34 transitions. cyclomatic complexity: 7 Second operand has 30 states, 30 states have (on average 1.9333333333333333) internal successors, (58), 30 states have internal predecessors, (58), 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) [2024-10-15 00:08:09,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 00:08:09,148 INFO L93 Difference]: Finished difference Result 50 states and 54 transitions. [2024-10-15 00:08:09,148 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 54 transitions. [2024-10-15 00:08:09,149 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-10-15 00:08:09,149 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 50 states and 54 transitions. [2024-10-15 00:08:09,149 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2024-10-15 00:08:09,149 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-10-15 00:08:09,150 INFO L73 IsDeterministic]: Start isDeterministic. Operand 50 states and 54 transitions. [2024-10-15 00:08:09,150 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-15 00:08:09,150 INFO L218 hiAutomatonCegarLoop]: Abstraction has 50 states and 54 transitions. [2024-10-15 00:08:09,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states and 54 transitions. [2024-10-15 00:08:09,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-10-15 00:08:09,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 50 states have (on average 1.08) internal successors, (54), 49 states have internal predecessors, (54), 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) [2024-10-15 00:08:09,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 54 transitions. [2024-10-15 00:08:09,152 INFO L240 hiAutomatonCegarLoop]: Abstraction has 50 states and 54 transitions. [2024-10-15 00:08:09,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-15 00:08:09,154 INFO L425 stractBuchiCegarLoop]: Abstraction has 50 states and 54 transitions. [2024-10-15 00:08:09,154 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-10-15 00:08:09,155 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 50 states and 54 transitions. [2024-10-15 00:08:09,155 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-10-15 00:08:09,155 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:08:09,155 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:08:09,156 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [9, 8, 8, 7, 7, 1, 1, 1] [2024-10-15 00:08:09,156 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-10-15 00:08:09,156 INFO L745 eck$LassoCheckResult]: Stem: 821#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 822#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~post1#1, main_#t~bitwise2#1, main_~a~0#1, main_~b~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;main_~a~0#1 := 16;main_~b~0#1 := 30;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 828#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 829#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 825#L22-2 assume !(0 == main_~a~0#1); 826#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 861#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 860#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 859#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 827#L22-2 assume !(0 == main_~a~0#1); 824#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 814#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 815#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 818#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 819#L22-2 assume !(0 == main_~a~0#1); 858#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 857#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 856#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 855#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 854#L22-2 assume !(0 == main_~a~0#1); 853#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 852#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 851#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 850#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 849#L22-2 assume !(0 == main_~a~0#1); 848#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 847#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 846#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 845#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 844#L22-2 assume !(0 == main_~a~0#1); 843#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 842#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 841#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 840#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 831#L22-2 assume !(0 == main_~a~0#1); 839#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 835#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 834#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 830#L22 assume 0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1;main_#t~bitwise2#1 := main_~a~0#1; 832#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 820#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 816#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 817#L22-2 [2024-10-15 00:08:09,157 INFO L747 eck$LassoCheckResult]: Loop: 817#L22-2 assume !(0 == main_~a~0#1); 823#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 812#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 813#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 833#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 817#L22-2 [2024-10-15 00:08:09,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:08:09,157 INFO L85 PathProgramCache]: Analyzing trace with hash -53972245, now seen corresponding path program 3 times [2024-10-15 00:08:09,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:08:09,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77578403] [2024-10-15 00:08:09,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:08:09,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:08:09,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:08:09,721 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 23 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:08:09,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 00:08:09,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77578403] [2024-10-15 00:08:09,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77578403] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-15 00:08:09,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1741296727] [2024-10-15 00:08:09,723 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-15 00:08:09,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-15 00:08:09,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:09,724 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-15 00:08:09,725 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2024-10-15 00:08:09,766 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-10-15 00:08:09,766 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-15 00:08:09,767 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-10-15 00:08:09,769 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:08:10,124 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 23 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:08:10,124 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-15 00:08:10,815 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 23 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:08:10,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1741296727] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-15 00:08:10,815 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-15 00:08:10,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18, 25] total 58 [2024-10-15 00:08:10,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207041411] [2024-10-15 00:08:10,816 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-15 00:08:10,816 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-15 00:08:10,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:08:10,816 INFO L85 PathProgramCache]: Analyzing trace with hash 48701915, now seen corresponding path program 3 times [2024-10-15 00:08:10,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:08:10,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118041507] [2024-10-15 00:08:10,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:08:10,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:08:10,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:08:10,819 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:08:10,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:08:10,821 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:08:10,929 INFO L204 LassoAnalysis]: Preferences: [2024-10-15 00:08:10,929 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-15 00:08:10,929 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-15 00:08:10,929 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-15 00:08:10,929 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-15 00:08:10,929 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:10,929 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-15 00:08:10,929 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-15 00:08:10,929 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration6_Loop [2024-10-15 00:08:10,929 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-15 00:08:10,929 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-15 00:08:10,930 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:08:10,933 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:08:10,971 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:08:11,011 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2024-10-15 00:08:11,257 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-15 00:08:11,257 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-15 00:08:11,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:11,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:11,259 INFO L229 MonitoredProcess]: Starting monitored process 49 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) [2024-10-15 00:08:11,259 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2024-10-15 00:08:11,260 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:08:11,260 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:08:11,271 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-15 00:08:11,271 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post1#1=0} Honda state: {ULTIMATE.start_main_#t~post1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-15 00:08:11,281 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2024-10-15 00:08:11,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:11,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:11,283 INFO L229 MonitoredProcess]: Starting monitored process 50 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) [2024-10-15 00:08:11,283 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2024-10-15 00:08:11,285 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:08:11,285 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:08:11,316 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2024-10-15 00:08:11,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:11,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:11,318 INFO L229 MonitoredProcess]: Starting monitored process 51 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) [2024-10-15 00:08:11,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2024-10-15 00:08:11,319 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-15 00:08:11,319 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:08:11,350 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-15 00:08:11,351 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=-1, ULTIMATE.start_main_~a~0#1=2, ULTIMATE.start_main_~b~0#1=-2} Honda state: {ULTIMATE.start_main_~x~0#1=-1, ULTIMATE.start_main_~a~0#1=2, ULTIMATE.start_main_~b~0#1=-2} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0#1=1, ULTIMATE.start_main_~a~0#1=0, ULTIMATE.start_main_~b~0#1=0}, {ULTIMATE.start_main_~x~0#1=1, ULTIMATE.start_main_~a~0#1=1, ULTIMATE.start_main_~b~0#1=0}, {ULTIMATE.start_main_~x~0#1=0, ULTIMATE.start_main_~a~0#1=0, ULTIMATE.start_main_~b~0#1=0}] Lambdas: [1, 1, 1] Nus: [0, 0] [2024-10-15 00:08:11,355 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2024-10-15 00:08:11,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:11,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:11,358 INFO L229 MonitoredProcess]: Starting monitored process 52 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) [2024-10-15 00:08:11,359 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2024-10-15 00:08:11,359 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:08:11,359 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:08:11,370 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-15 00:08:11,370 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~bitwise2#1=0} Honda state: {ULTIMATE.start_main_#t~bitwise2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-15 00:08:11,380 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2024-10-15 00:08:11,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 00:08:11,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2024-10-15 00:08:11,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=640, Invalid=2666, Unknown=0, NotChecked=0, Total=3306 [2024-10-15 00:08:11,383 INFO L87 Difference]: Start difference. First operand 50 states and 54 transitions. cyclomatic complexity: 7 Second operand has 58 states, 58 states have (on average 2.0344827586206895) internal successors, (118), 58 states have internal predecessors, (118), 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) [2024-10-15 00:08:11,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 00:08:11,709 INFO L93 Difference]: Finished difference Result 80 states and 84 transitions. [2024-10-15 00:08:11,709 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 80 states and 84 transitions. [2024-10-15 00:08:11,710 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-10-15 00:08:11,711 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 80 states to 80 states and 84 transitions. [2024-10-15 00:08:11,711 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2024-10-15 00:08:11,711 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-10-15 00:08:11,711 INFO L73 IsDeterministic]: Start isDeterministic. Operand 80 states and 84 transitions. [2024-10-15 00:08:11,711 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-15 00:08:11,711 INFO L218 hiAutomatonCegarLoop]: Abstraction has 80 states and 84 transitions. [2024-10-15 00:08:11,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states and 84 transitions. [2024-10-15 00:08:11,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2024-10-15 00:08:11,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 80 states have (on average 1.05) internal successors, (84), 79 states have internal predecessors, (84), 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) [2024-10-15 00:08:11,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 84 transitions. [2024-10-15 00:08:11,718 INFO L240 hiAutomatonCegarLoop]: Abstraction has 80 states and 84 transitions. [2024-10-15 00:08:11,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-15 00:08:11,721 INFO L425 stractBuchiCegarLoop]: Abstraction has 80 states and 84 transitions. [2024-10-15 00:08:11,721 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-10-15 00:08:11,721 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 80 states and 84 transitions. [2024-10-15 00:08:11,722 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-10-15 00:08:11,722 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:08:11,722 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:08:11,725 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [15, 14, 14, 13, 13, 1, 1, 1] [2024-10-15 00:08:11,725 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-10-15 00:08:11,725 INFO L745 eck$LassoCheckResult]: Stem: 1260#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 1261#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~post1#1, main_#t~bitwise2#1, main_~a~0#1, main_~b~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;main_~a~0#1 := 16;main_~b~0#1 := 30;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 1264#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1268#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 1265#L22-2 assume !(0 == main_~a~0#1); 1266#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 1330#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 1329#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1328#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 1267#L22-2 assume !(0 == main_~a~0#1); 1263#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 1253#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 1254#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1257#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 1258#L22-2 assume !(0 == main_~a~0#1); 1327#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 1326#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 1325#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1324#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 1323#L22-2 assume !(0 == main_~a~0#1); 1322#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 1321#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 1320#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1319#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 1318#L22-2 assume !(0 == main_~a~0#1); 1317#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 1316#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 1315#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1314#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 1313#L22-2 assume !(0 == main_~a~0#1); 1312#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 1311#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 1310#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1309#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 1308#L22-2 assume !(0 == main_~a~0#1); 1307#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 1306#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 1305#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1304#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 1303#L22-2 assume !(0 == main_~a~0#1); 1302#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 1301#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 1300#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1299#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 1298#L22-2 assume !(0 == main_~a~0#1); 1297#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 1296#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 1295#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1294#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 1293#L22-2 assume !(0 == main_~a~0#1); 1292#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 1291#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 1290#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1289#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 1288#L22-2 assume !(0 == main_~a~0#1); 1287#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 1286#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 1285#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1284#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 1283#L22-2 assume !(0 == main_~a~0#1); 1282#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 1281#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 1280#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1279#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 1271#L22-2 assume !(0 == main_~a~0#1); 1278#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 1277#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 1273#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1270#L22 assume 0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1;main_#t~bitwise2#1 := main_~a~0#1; 1272#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 1259#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1255#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 1256#L22-2 [2024-10-15 00:08:11,725 INFO L747 eck$LassoCheckResult]: Loop: 1256#L22-2 assume !(0 == main_~a~0#1); 1262#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 1251#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 1252#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1269#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 1256#L22-2 [2024-10-15 00:08:11,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:08:11,726 INFO L85 PathProgramCache]: Analyzing trace with hash -1349747349, now seen corresponding path program 4 times [2024-10-15 00:08:11,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:08:11,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122670626] [2024-10-15 00:08:11,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:08:11,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:08:11,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:08:11,757 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:08:11,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:08:11,782 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:08:11,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:08:11,786 INFO L85 PathProgramCache]: Analyzing trace with hash 48701915, now seen corresponding path program 4 times [2024-10-15 00:08:11,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:08:11,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524172807] [2024-10-15 00:08:11,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:08:11,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:08:11,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:08:11,790 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:08:11,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:08:11,792 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:08:11,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:08:11,793 INFO L85 PathProgramCache]: Analyzing trace with hash 763524785, now seen corresponding path program 5 times [2024-10-15 00:08:11,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:08:11,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966743555] [2024-10-15 00:08:11,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:08:11,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:08:11,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:08:11,810 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:08:11,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:08:11,834 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:08:11,963 INFO L204 LassoAnalysis]: Preferences: [2024-10-15 00:08:11,963 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-15 00:08:11,963 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-15 00:08:11,963 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-15 00:08:11,963 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-15 00:08:11,963 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:11,963 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-15 00:08:11,963 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-15 00:08:11,963 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration7_Loop [2024-10-15 00:08:11,963 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-15 00:08:11,963 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-15 00:08:11,964 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:08:11,965 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:08:11,996 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:08:12,047 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2024-10-15 00:08:12,285 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-15 00:08:12,285 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-15 00:08:12,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:12,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:12,287 INFO L229 MonitoredProcess]: Starting monitored process 53 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) [2024-10-15 00:08:12,288 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2024-10-15 00:08:12,289 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:08:12,289 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:08:12,300 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-15 00:08:12,300 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~bitwise2#1=0} Honda state: {ULTIMATE.start_main_#t~bitwise2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-15 00:08:12,311 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2024-10-15 00:08:12,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:12,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:12,313 INFO L229 MonitoredProcess]: Starting monitored process 54 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) [2024-10-15 00:08:12,313 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2024-10-15 00:08:12,314 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:08:12,314 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:08:12,346 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2024-10-15 00:08:12,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:12,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:12,348 INFO L229 MonitoredProcess]: Starting monitored process 55 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) [2024-10-15 00:08:12,349 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2024-10-15 00:08:12,350 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-15 00:08:12,350 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:08:12,379 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-15 00:08:12,380 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=-1, ULTIMATE.start_main_~a~0#1=2, ULTIMATE.start_main_~b~0#1=-2} Honda state: {ULTIMATE.start_main_~x~0#1=-1, ULTIMATE.start_main_~a~0#1=2, ULTIMATE.start_main_~b~0#1=-2} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0#1=2, ULTIMATE.start_main_~a~0#1=1, ULTIMATE.start_main_~b~0#1=0}, {ULTIMATE.start_main_~x~0#1=0, ULTIMATE.start_main_~a~0#1=0, ULTIMATE.start_main_~b~0#1=0}, {ULTIMATE.start_main_~x~0#1=0, ULTIMATE.start_main_~a~0#1=0, ULTIMATE.start_main_~b~0#1=0}] Lambdas: [1, 1, 1] Nus: [1, 1] [2024-10-15 00:08:12,384 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2024-10-15 00:08:12,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:12,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:12,386 INFO L229 MonitoredProcess]: Starting monitored process 56 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) [2024-10-15 00:08:12,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2024-10-15 00:08:12,388 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:08:12,388 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:08:12,400 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-15 00:08:12,400 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post1#1=0} Honda state: {ULTIMATE.start_main_#t~post1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-15 00:08:12,411 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2024-10-15 00:08:13,717 INFO L204 LassoAnalysis]: Preferences: [2024-10-15 00:08:13,717 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-15 00:08:13,717 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-15 00:08:13,717 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-15 00:08:13,717 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-15 00:08:13,717 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:13,718 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-15 00:08:13,718 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-15 00:08:13,718 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration7_Lasso [2024-10-15 00:08:13,718 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-15 00:08:13,718 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-15 00:08:13,719 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:08:13,720 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:08:13,721 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:08:13,761 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:08:13,762 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:08:13,805 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2024-10-15 00:08:14,048 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-15 00:08:14,048 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-15 00:08:14,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:14,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:14,050 INFO L229 MonitoredProcess]: Starting monitored process 57 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) [2024-10-15 00:08:14,050 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2024-10-15 00:08:14,051 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:08:14,051 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:08:14,062 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-15 00:08:14,062 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post1#1=0} Honda state: {ULTIMATE.start_main_#t~post1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-15 00:08:14,073 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2024-10-15 00:08:14,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:14,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:14,074 INFO L229 MonitoredProcess]: Starting monitored process 58 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) [2024-10-15 00:08:14,075 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2024-10-15 00:08:14,075 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:08:14,075 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:08:14,086 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-15 00:08:14,087 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~bitwise2#1=0} Honda state: {ULTIMATE.start_main_#t~bitwise2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-15 00:08:14,097 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2024-10-15 00:08:14,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:14,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:14,099 INFO L229 MonitoredProcess]: Starting monitored process 59 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) [2024-10-15 00:08:14,099 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2024-10-15 00:08:14,100 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:08:14,100 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:08:14,123 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2024-10-15 00:08:14,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:14,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:14,125 INFO L229 MonitoredProcess]: Starting monitored process 60 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) [2024-10-15 00:08:14,125 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2024-10-15 00:08:14,126 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-15 00:08:14,126 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:08:14,153 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-15 00:08:14,157 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2024-10-15 00:08:14,157 INFO L204 LassoAnalysis]: Preferences: [2024-10-15 00:08:14,157 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-15 00:08:14,157 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-15 00:08:14,158 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-15 00:08:14,158 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-15 00:08:14,158 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:14,158 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-15 00:08:14,158 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-15 00:08:14,158 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration7_Lasso [2024-10-15 00:08:14,158 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-15 00:08:14,158 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-15 00:08:14,159 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:08:14,160 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:08:14,161 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:08:14,164 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:08:14,203 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:08:14,248 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2024-10-15 00:08:14,490 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-15 00:08:14,490 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-15 00:08:14,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:14,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:14,492 INFO L229 MonitoredProcess]: Starting monitored process 61 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) [2024-10-15 00:08:14,492 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2024-10-15 00:08:14,493 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 [2024-10-15 00:08:14,502 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:08:14,503 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:08:14,503 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:08:14,503 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:08:14,503 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:08:14,503 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:08:14,503 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:08:14,504 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:08:14,515 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2024-10-15 00:08:14,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:14,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:14,517 INFO L229 MonitoredProcess]: Starting monitored process 62 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) [2024-10-15 00:08:14,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2024-10-15 00:08:14,518 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 [2024-10-15 00:08:14,527 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:08:14,527 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:08:14,528 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:08:14,528 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:08:14,528 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:08:14,528 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:08:14,528 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:08:14,529 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:08:14,540 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2024-10-15 00:08:14,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:14,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:14,541 INFO L229 MonitoredProcess]: Starting monitored process 63 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) [2024-10-15 00:08:14,542 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2024-10-15 00:08:14,543 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 [2024-10-15 00:08:14,553 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:08:14,553 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:08:14,553 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:08:14,553 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:08:14,553 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:08:14,554 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:08:14,554 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:08:14,555 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:08:14,565 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2024-10-15 00:08:14,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:14,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:14,567 INFO L229 MonitoredProcess]: Starting monitored process 64 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) [2024-10-15 00:08:14,568 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2024-10-15 00:08:14,568 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 [2024-10-15 00:08:14,582 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:08:14,582 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:08:14,582 INFO L204 nArgumentSynthesizer]: 7 loop disjuncts [2024-10-15 00:08:14,582 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:08:14,654 INFO L401 nArgumentSynthesizer]: We have 126 Motzkin's Theorem applications. [2024-10-15 00:08:14,654 INFO L402 nArgumentSynthesizer]: A total of 14 supporting invariants were added. [2024-10-15 00:08:16,998 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-15 00:08:18,107 INFO L443 ModelExtractionUtils]: Simplification made 35 calls to the SMT solver. [2024-10-15 00:08:18,108 INFO L444 ModelExtractionUtils]: 23 out of 61 variables were initially zero. Simplification set additionally 23 variables to zero. [2024-10-15 00:08:18,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:18,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:18,109 INFO L229 MonitoredProcess]: Starting monitored process 65 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) [2024-10-15 00:08:18,110 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2024-10-15 00:08:18,110 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-15 00:08:18,132 INFO L438 nArgumentSynthesizer]: Removed 11 redundant supporting invariants from a total of 14. [2024-10-15 00:08:18,132 INFO L474 LassoAnalysis]: Proved termination. [2024-10-15 00:08:18,132 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 2*ULTIMATE.start_main_~x~0#1 + 1 Supporting invariants [1*ULTIMATE.start_main_~a~0#1 >= 0, 1*ULTIMATE.start_main_~x~0#1 >= 0, -5*ULTIMATE.start_main_~a~0#1 + 5*ULTIMATE.start_main_~b~0#1 + 6 >= 0] [2024-10-15 00:08:18,152 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2024-10-15 00:08:18,158 INFO L156 tatePredicateManager]: 1 out of 3 supporting invariants were superfluous and have been removed [2024-10-15 00:08:18,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:08:18,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:08:18,212 INFO L255 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-10-15 00:08:18,214 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:08:18,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:08:18,607 WARN L253 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-15 00:08:18,607 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:08:18,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:08:18,707 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.19 stem predicates 5 loop predicates [2024-10-15 00:08:18,707 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 80 states and 84 transitions. cyclomatic complexity: 7 Second operand has 24 states, 24 states have (on average 3.2083333333333335) internal successors, (77), 24 states have internal predecessors, (77), 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) [2024-10-15 00:08:18,732 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 80 states and 84 transitions. cyclomatic complexity: 7. Second operand has 24 states, 24 states have (on average 3.2083333333333335) internal successors, (77), 24 states have internal predecessors, (77), 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 80 states and 84 transitions. Complement of second has 5 states. [2024-10-15 00:08:18,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 3 stem states 0 non-accepting loop states 1 accepting loop states [2024-10-15 00:08:18,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 3.2083333333333335) internal successors, (77), 24 states have internal predecessors, (77), 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) [2024-10-15 00:08:18,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2024-10-15 00:08:18,733 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 4 transitions. Stem has 72 letters. Loop has 5 letters. [2024-10-15 00:08:18,733 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:08:18,733 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-15 00:08:18,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:08:18,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:08:18,778 INFO L255 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-10-15 00:08:18,780 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:08:19,098 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2024-10-15 00:08:19,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:08:19,151 WARN L253 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-15 00:08:19,152 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:08:19,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:08:19,261 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.19 stem predicates 5 loop predicates [2024-10-15 00:08:19,261 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 80 states and 84 transitions. cyclomatic complexity: 7 Second operand has 24 states, 24 states have (on average 3.2083333333333335) internal successors, (77), 24 states have internal predecessors, (77), 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) [2024-10-15 00:08:19,290 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 80 states and 84 transitions. cyclomatic complexity: 7. Second operand has 24 states, 24 states have (on average 3.2083333333333335) internal successors, (77), 24 states have internal predecessors, (77), 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 80 states and 84 transitions. Complement of second has 5 states. [2024-10-15 00:08:19,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 3 stem states 0 non-accepting loop states 1 accepting loop states [2024-10-15 00:08:19,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 3.2083333333333335) internal successors, (77), 24 states have internal predecessors, (77), 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) [2024-10-15 00:08:19,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2024-10-15 00:08:19,292 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 4 transitions. Stem has 72 letters. Loop has 5 letters. [2024-10-15 00:08:19,292 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:08:19,292 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-15 00:08:19,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:08:19,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:08:19,338 INFO L255 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-10-15 00:08:19,339 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:08:19,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:08:19,703 WARN L253 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-15 00:08:19,703 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:08:19,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:08:19,797 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.19 stem predicates 5 loop predicates [2024-10-15 00:08:19,797 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 80 states and 84 transitions. cyclomatic complexity: 7 Second operand has 24 states, 24 states have (on average 3.2083333333333335) internal successors, (77), 24 states have internal predecessors, (77), 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) [2024-10-15 00:08:20,230 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 80 states and 84 transitions. cyclomatic complexity: 7. Second operand has 24 states, 24 states have (on average 3.2083333333333335) internal successors, (77), 24 states have internal predecessors, (77), 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 94 states and 100 transitions. Complement of second has 42 states. [2024-10-15 00:08:20,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 25 states 19 stem states 4 non-accepting loop states 2 accepting loop states [2024-10-15 00:08:20,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 3.2083333333333335) internal successors, (77), 24 states have internal predecessors, (77), 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) [2024-10-15 00:08:20,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 101 transitions. [2024-10-15 00:08:20,232 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 25 states and 101 transitions. Stem has 72 letters. Loop has 5 letters. [2024-10-15 00:08:20,233 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:08:20,233 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 25 states and 101 transitions. Stem has 77 letters. Loop has 5 letters. [2024-10-15 00:08:20,233 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:08:20,233 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 25 states and 101 transitions. Stem has 72 letters. Loop has 10 letters. [2024-10-15 00:08:20,234 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:08:20,234 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 94 states and 100 transitions. [2024-10-15 00:08:20,237 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2024-10-15 00:08:20,239 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 94 states to 89 states and 94 transitions. [2024-10-15 00:08:20,239 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2024-10-15 00:08:20,239 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-10-15 00:08:20,239 INFO L73 IsDeterministic]: Start isDeterministic. Operand 89 states and 94 transitions. [2024-10-15 00:08:20,240 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-15 00:08:20,240 INFO L218 hiAutomatonCegarLoop]: Abstraction has 89 states and 94 transitions. [2024-10-15 00:08:20,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states and 94 transitions. [2024-10-15 00:08:20,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 84. [2024-10-15 00:08:20,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 84 states have (on average 1.0595238095238095) internal successors, (89), 83 states have internal predecessors, (89), 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) [2024-10-15 00:08:20,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 89 transitions. [2024-10-15 00:08:20,243 INFO L240 hiAutomatonCegarLoop]: Abstraction has 84 states and 89 transitions. [2024-10-15 00:08:20,243 INFO L425 stractBuchiCegarLoop]: Abstraction has 84 states and 89 transitions. [2024-10-15 00:08:20,243 INFO L332 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-10-15 00:08:20,243 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 84 states and 89 transitions. [2024-10-15 00:08:20,244 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2024-10-15 00:08:20,244 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:08:20,245 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:08:20,245 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [15, 14, 14, 13, 13, 1, 1, 1] [2024-10-15 00:08:20,246 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1] [2024-10-15 00:08:20,246 INFO L745 eck$LassoCheckResult]: Stem: 2464#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 2465#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~post1#1, main_#t~bitwise2#1, main_~a~0#1, main_~b~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;main_~a~0#1 := 16;main_~b~0#1 := 30;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 2470#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2484#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 2467#L22-2 assume !(0 == main_~a~0#1); 2468#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 2538#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 2537#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2536#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 2469#L22-2 assume !(0 == main_~a~0#1); 2466#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 2457#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 2458#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2461#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 2462#L22-2 assume !(0 == main_~a~0#1); 2535#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 2534#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 2533#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2532#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 2531#L22-2 assume !(0 == main_~a~0#1); 2530#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 2529#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 2528#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2527#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 2526#L22-2 assume !(0 == main_~a~0#1); 2525#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 2524#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 2523#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2522#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 2521#L22-2 assume !(0 == main_~a~0#1); 2520#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 2519#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 2518#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2517#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 2516#L22-2 assume !(0 == main_~a~0#1); 2515#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 2514#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 2513#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2512#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 2511#L22-2 assume !(0 == main_~a~0#1); 2510#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 2509#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 2508#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2507#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 2506#L22-2 assume !(0 == main_~a~0#1); 2505#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 2504#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 2503#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2502#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 2501#L22-2 assume !(0 == main_~a~0#1); 2500#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 2499#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 2498#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2497#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 2496#L22-2 assume !(0 == main_~a~0#1); 2495#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 2494#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 2493#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2492#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 2491#L22-2 assume !(0 == main_~a~0#1); 2490#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 2489#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 2488#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2487#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 2476#L22-2 assume !(0 == main_~a~0#1); 2486#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 2485#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 2477#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2475#L22 assume 0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1;main_#t~bitwise2#1 := main_~a~0#1; 2474#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 2463#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2459#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 2460#L22-2 [2024-10-15 00:08:20,246 INFO L747 eck$LassoCheckResult]: Loop: 2460#L22-2 assume !(0 == main_~a~0#1); 2483#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 2482#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 2481#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2479#L22 assume 0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1;main_#t~bitwise2#1 := main_~a~0#1; 2455#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 2456#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2478#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 2460#L22-2 [2024-10-15 00:08:20,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:08:20,246 INFO L85 PathProgramCache]: Analyzing trace with hash -1349747349, now seen corresponding path program 6 times [2024-10-15 00:08:20,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:08:20,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93711129] [2024-10-15 00:08:20,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:08:20,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:08:20,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:08:20,270 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:08:20,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:08:20,289 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:08:20,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:08:20,289 INFO L85 PathProgramCache]: Analyzing trace with hash -820232444, now seen corresponding path program 1 times [2024-10-15 00:08:20,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:08:20,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974063235] [2024-10-15 00:08:20,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:08:20,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:08:20,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:08:20,292 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:08:20,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:08:20,295 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:08:20,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:08:20,295 INFO L85 PathProgramCache]: Analyzing trace with hash 20034158, now seen corresponding path program 7 times [2024-10-15 00:08:20,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:08:20,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244941175] [2024-10-15 00:08:20,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:08:20,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:08:20,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:08:20,312 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:08:20,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:08:20,330 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:08:20,479 INFO L204 LassoAnalysis]: Preferences: [2024-10-15 00:08:20,479 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-15 00:08:20,479 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-15 00:08:20,479 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-15 00:08:20,479 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-15 00:08:20,479 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:20,479 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-15 00:08:20,479 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-15 00:08:20,479 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration8_Loop [2024-10-15 00:08:20,479 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-15 00:08:20,479 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-15 00:08:20,480 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:08:20,481 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:08:20,502 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:08:20,629 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-15 00:08:20,629 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-15 00:08:20,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:20,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:20,632 INFO L229 MonitoredProcess]: Starting monitored process 66 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) [2024-10-15 00:08:20,633 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2024-10-15 00:08:20,633 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:08:20,635 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:08:20,647 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-15 00:08:20,647 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post1#1=0} Honda state: {ULTIMATE.start_main_#t~post1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-15 00:08:20,658 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2024-10-15 00:08:20,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:20,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:20,660 INFO L229 MonitoredProcess]: Starting monitored process 67 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) [2024-10-15 00:08:20,661 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2024-10-15 00:08:20,662 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:08:20,662 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:08:20,684 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2024-10-15 00:08:20,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:20,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:20,686 INFO L229 MonitoredProcess]: Starting monitored process 68 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) [2024-10-15 00:08:20,687 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2024-10-15 00:08:20,688 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-15 00:08:20,688 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:08:20,713 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-15 00:08:20,717 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2024-10-15 00:08:20,718 INFO L204 LassoAnalysis]: Preferences: [2024-10-15 00:08:20,718 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-15 00:08:20,718 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-15 00:08:20,718 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-15 00:08:20,718 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-15 00:08:20,718 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:20,718 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-15 00:08:20,718 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-15 00:08:20,719 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration8_Loop [2024-10-15 00:08:20,719 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-15 00:08:20,719 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-15 00:08:20,719 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:08:20,744 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:08:20,746 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:08:20,873 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-15 00:08:20,873 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-15 00:08:20,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:20,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:20,875 INFO L229 MonitoredProcess]: Starting monitored process 69 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) [2024-10-15 00:08:20,875 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2024-10-15 00:08:20,876 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 [2024-10-15 00:08:20,886 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:08:20,886 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:08:20,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:08:20,886 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2024-10-15 00:08:20,886 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:08:20,889 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:08:20,889 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:08:20,894 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-15 00:08:20,896 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-15 00:08:20,897 INFO L444 ModelExtractionUtils]: 2 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-10-15 00:08:20,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:20,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:20,898 INFO L229 MonitoredProcess]: Starting monitored process 70 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) [2024-10-15 00:08:20,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2024-10-15 00:08:20,899 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-15 00:08:20,899 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-15 00:08:20,899 INFO L474 LassoAnalysis]: Proved termination. [2024-10-15 00:08:20,899 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~a~0#1) = -1*ULTIMATE.start_main_~a~0#1 + 2147483647 Supporting invariants [] [2024-10-15 00:08:20,911 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2024-10-15 00:08:20,911 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-15 00:08:20,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:08:20,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:08:20,949 INFO L255 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-15 00:08:20,949 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:08:21,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:08:21,007 INFO L255 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-15 00:08:21,008 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:08:21,204 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:08:21,204 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 6 loop predicates [2024-10-15 00:08:21,204 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 84 states and 89 transitions. cyclomatic complexity: 8 Second operand has 8 states, 8 states have (on average 2.125) internal successors, (17), 8 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) [2024-10-15 00:08:21,207 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2024-10-15 00:08:21,252 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 84 states and 89 transitions. cyclomatic complexity: 8. Second operand has 8 states, 8 states have (on average 2.125) internal successors, (17), 8 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) Result 168 states and 179 transitions. Complement of second has 10 states. [2024-10-15 00:08:21,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2024-10-15 00:08:21,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 2.125) internal successors, (17), 8 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) [2024-10-15 00:08:21,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 18 transitions. [2024-10-15 00:08:21,253 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 18 transitions. Stem has 72 letters. Loop has 8 letters. [2024-10-15 00:08:21,253 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:08:21,253 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 18 transitions. Stem has 80 letters. Loop has 8 letters. [2024-10-15 00:08:21,253 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:08:21,253 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 18 transitions. Stem has 72 letters. Loop has 16 letters. [2024-10-15 00:08:21,253 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:08:21,254 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 168 states and 179 transitions. [2024-10-15 00:08:21,255 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-15 00:08:21,255 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 168 states to 90 states and 96 transitions. [2024-10-15 00:08:21,255 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2024-10-15 00:08:21,255 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2024-10-15 00:08:21,255 INFO L73 IsDeterministic]: Start isDeterministic. Operand 90 states and 96 transitions. [2024-10-15 00:08:21,256 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-15 00:08:21,256 INFO L218 hiAutomatonCegarLoop]: Abstraction has 90 states and 96 transitions. [2024-10-15 00:08:21,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states and 96 transitions. [2024-10-15 00:08:21,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 86. [2024-10-15 00:08:21,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 86 states have (on average 1.058139534883721) internal successors, (91), 85 states have internal predecessors, (91), 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) [2024-10-15 00:08:21,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 91 transitions. [2024-10-15 00:08:21,261 INFO L240 hiAutomatonCegarLoop]: Abstraction has 86 states and 91 transitions. [2024-10-15 00:08:21,261 INFO L425 stractBuchiCegarLoop]: Abstraction has 86 states and 91 transitions. [2024-10-15 00:08:21,261 INFO L332 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2024-10-15 00:08:21,262 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 86 states and 91 transitions. [2024-10-15 00:08:21,262 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-15 00:08:21,262 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:08:21,262 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:08:21,263 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [16, 16, 14, 14, 14, 2, 1, 1] [2024-10-15 00:08:21,263 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-15 00:08:21,263 INFO L745 eck$LassoCheckResult]: Stem: 2988#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 2989#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~post1#1, main_#t~bitwise2#1, main_~a~0#1, main_~b~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;main_~a~0#1 := 16;main_~b~0#1 := 30;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 2987#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2983#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 2984#L22-2 assume !(0 == main_~a~0#1); 2991#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 3064#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 3063#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 3062#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 2992#L22-2 assume !(0 == main_~a~0#1); 2990#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 2981#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 2982#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2985#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 2986#L22-2 assume !(0 == main_~a~0#1); 3061#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 3060#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 3059#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 3058#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 3057#L22-2 assume !(0 == main_~a~0#1); 3056#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 3055#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 3054#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 3053#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 3052#L22-2 assume !(0 == main_~a~0#1); 3051#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 3050#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 3049#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 3048#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 3047#L22-2 assume !(0 == main_~a~0#1); 3046#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 3045#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 3044#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 3043#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 3042#L22-2 assume !(0 == main_~a~0#1); 3041#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 3040#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 3039#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 3038#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 3037#L22-2 assume !(0 == main_~a~0#1); 3036#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 3035#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 3034#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 3033#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 3032#L22-2 assume !(0 == main_~a~0#1); 3031#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 3030#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 3029#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 3028#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 3027#L22-2 assume !(0 == main_~a~0#1); 3026#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 3025#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 3024#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 3023#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 3022#L22-2 assume !(0 == main_~a~0#1); 3021#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 3020#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 3019#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 3018#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 3017#L22-2 assume !(0 == main_~a~0#1); 3016#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 3015#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 3014#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 3012#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 3011#L22-2 assume !(0 == main_~a~0#1); 3010#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 3008#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 3009#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 3013#L22 assume 0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1;main_#t~bitwise2#1 := main_~a~0#1; 3003#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 3005#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 3001#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 2997#L22-2 assume !(0 == main_~a~0#1); 3000#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 2999#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 2998#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2996#L22 assume 0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1;main_#t~bitwise2#1 := main_~a~0#1; 2994#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 2980#L20-2 [2024-10-15 00:08:21,263 INFO L747 eck$LassoCheckResult]: Loop: 2980#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2993#L22 assume 0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1;main_#t~bitwise2#1 := main_~a~0#1; 2979#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 2980#L20-2 [2024-10-15 00:08:21,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:08:21,263 INFO L85 PathProgramCache]: Analyzing trace with hash -2100535479, now seen corresponding path program 8 times [2024-10-15 00:08:21,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:08:21,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944652927] [2024-10-15 00:08:21,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:08:21,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:08:21,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:08:21,280 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:08:21,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:08:21,297 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:08:21,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:08:21,298 INFO L85 PathProgramCache]: Analyzing trace with hash 40820, now seen corresponding path program 4 times [2024-10-15 00:08:21,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:08:21,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025263261] [2024-10-15 00:08:21,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:08:21,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:08:21,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:08:21,300 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:08:21,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:08:21,301 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:08:21,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:08:21,301 INFO L85 PathProgramCache]: Analyzing trace with hash 621058860, now seen corresponding path program 9 times [2024-10-15 00:08:21,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:08:21,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219791207] [2024-10-15 00:08:21,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:08:21,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:08:21,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:08:21,682 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 590 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:08:21,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 00:08:21,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219791207] [2024-10-15 00:08:21,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219791207] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-15 00:08:21,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-15 00:08:21,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2024-10-15 00:08:21,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230922847] [2024-10-15 00:08:21,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-15 00:08:21,708 INFO L204 LassoAnalysis]: Preferences: [2024-10-15 00:08:21,709 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-15 00:08:21,709 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-15 00:08:21,709 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-15 00:08:21,709 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-15 00:08:21,709 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:21,709 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-15 00:08:21,709 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-15 00:08:21,709 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration9_Loop [2024-10-15 00:08:21,709 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-15 00:08:21,709 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-15 00:08:21,709 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:08:21,711 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:08:21,712 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:08:21,769 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-15 00:08:21,769 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-15 00:08:21,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:21,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:21,771 INFO L229 MonitoredProcess]: Starting monitored process 71 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) [2024-10-15 00:08:21,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2024-10-15 00:08:21,773 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:08:21,773 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:08:21,786 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-15 00:08:21,786 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~bitwise2#1=0} Honda state: {ULTIMATE.start_main_#t~bitwise2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-15 00:08:21,798 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2024-10-15 00:08:21,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:21,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:21,799 INFO L229 MonitoredProcess]: Starting monitored process 72 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) [2024-10-15 00:08:21,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2024-10-15 00:08:21,802 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:08:21,802 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:08:21,814 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-15 00:08:21,814 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post1#1=0} Honda state: {ULTIMATE.start_main_#t~post1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-15 00:08:21,826 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2024-10-15 00:08:21,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:21,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:21,828 INFO L229 MonitoredProcess]: Starting monitored process 73 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) [2024-10-15 00:08:21,828 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2024-10-15 00:08:21,830 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:08:21,830 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:08:21,853 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2024-10-15 00:08:21,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:21,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:21,856 INFO L229 MonitoredProcess]: Starting monitored process 74 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) [2024-10-15 00:08:21,858 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2024-10-15 00:08:21,859 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-15 00:08:21,859 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:08:22,057 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-15 00:08:22,063 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2024-10-15 00:08:22,064 INFO L204 LassoAnalysis]: Preferences: [2024-10-15 00:08:22,064 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-15 00:08:22,064 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-15 00:08:22,064 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-15 00:08:22,064 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-15 00:08:22,064 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:22,064 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-15 00:08:22,064 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-15 00:08:22,064 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration9_Loop [2024-10-15 00:08:22,064 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-15 00:08:22,064 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-15 00:08:22,065 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:08:22,066 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:08:22,074 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:08:22,121 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-15 00:08:22,121 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-15 00:08:22,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:22,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:22,123 INFO L229 MonitoredProcess]: Starting monitored process 75 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) [2024-10-15 00:08:22,123 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2024-10-15 00:08:22,124 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 [2024-10-15 00:08:22,134 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:08:22,134 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:08:22,134 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:08:22,134 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:08:22,134 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:08:22,134 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:08:22,135 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:08:22,136 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:08:22,146 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2024-10-15 00:08:22,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:22,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:22,148 INFO L229 MonitoredProcess]: Starting monitored process 76 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) [2024-10-15 00:08:22,149 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2024-10-15 00:08:22,149 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 [2024-10-15 00:08:22,159 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:08:22,159 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:08:22,159 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:08:22,159 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-10-15 00:08:22,159 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:08:22,161 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-10-15 00:08:22,161 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:08:22,164 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:08:22,175 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2024-10-15 00:08:22,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:22,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:22,177 INFO L229 MonitoredProcess]: Starting monitored process 77 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) [2024-10-15 00:08:22,178 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2024-10-15 00:08:22,179 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 [2024-10-15 00:08:22,188 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:08:22,189 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:08:22,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:08:22,189 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:08:22,189 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:08:22,189 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:08:22,189 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:08:22,190 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:08:22,201 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2024-10-15 00:08:22,201 INFO L451 LassoAnalysis]: Using template '2-nested'. [2024-10-15 00:08:22,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:22,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:22,202 INFO L229 MonitoredProcess]: Starting monitored process 78 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) [2024-10-15 00:08:22,203 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2024-10-15 00:08:22,204 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 [2024-10-15 00:08:22,213 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:08:22,214 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:08:22,214 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:08:22,214 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:08:22,214 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-10-15 00:08:22,214 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-10-15 00:08:22,214 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:08:22,215 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:08:22,226 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2024-10-15 00:08:22,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:22,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:22,228 INFO L229 MonitoredProcess]: Starting monitored process 79 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) [2024-10-15 00:08:22,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2024-10-15 00:08:22,229 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 [2024-10-15 00:08:22,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:08:22,240 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:08:22,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:08:22,240 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-10-15 00:08:22,240 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-10-15 00:08:22,243 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:08:22,243 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:08:22,247 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-15 00:08:22,251 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-10-15 00:08:22,251 INFO L444 ModelExtractionUtils]: 5 out of 9 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-10-15 00:08:22,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:08:22,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:08:22,253 INFO L229 MonitoredProcess]: Starting monitored process 80 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) [2024-10-15 00:08:22,253 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2024-10-15 00:08:22,254 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-15 00:08:22,254 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-15 00:08:22,254 INFO L474 LassoAnalysis]: Proved termination. [2024-10-15 00:08:22,254 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = -1*ULTIMATE.start_main_~a~0#1 f1 = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2024-10-15 00:08:22,265 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2024-10-15 00:08:22,265 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-15 00:08:22,267 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-10-15 00:08:22,267 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-10-15 00:08:22,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:08:22,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:08:22,312 INFO L255 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-15 00:08:22,313 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:08:22,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:08:22,377 WARN L253 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-15 00:08:22,378 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:08:22,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:08:22,432 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 [2024-10-15 00:08:22,432 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 86 states and 91 transitions. cyclomatic complexity: 9 Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:08:22,454 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 86 states and 91 transitions. cyclomatic complexity: 9. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 90 states and 95 transitions. Complement of second has 5 states. [2024-10-15 00:08:22,455 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 [2024-10-15 00:08:22,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:08:22,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 11 transitions. [2024-10-15 00:08:22,456 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 78 letters. Loop has 3 letters. [2024-10-15 00:08:22,456 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:08:22,456 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-15 00:08:22,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:08:22,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:08:22,490 INFO L255 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-15 00:08:22,491 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:08:22,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:08:22,554 WARN L253 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-15 00:08:22,555 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:08:22,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:08:22,610 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 3 loop predicates [2024-10-15 00:08:22,610 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 86 states and 91 transitions. cyclomatic complexity: 9 Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:08:22,625 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 86 states and 91 transitions. cyclomatic complexity: 9. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 90 states and 95 transitions. Complement of second has 5 states. [2024-10-15 00:08:22,626 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 [2024-10-15 00:08:22,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:08:22,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 11 transitions. [2024-10-15 00:08:22,626 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 78 letters. Loop has 3 letters. [2024-10-15 00:08:22,626 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:08:22,626 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-15 00:08:22,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:08:22,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:08:22,665 INFO L255 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-15 00:08:22,666 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:08:22,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:08:22,728 WARN L253 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-15 00:08:22,728 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:08:22,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:08:22,781 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-10-15 00:08:22,781 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 86 states and 91 transitions. cyclomatic complexity: 9 Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:08:22,804 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 86 states and 91 transitions. cyclomatic complexity: 9. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 148 states and 158 transitions. Complement of second has 6 states. [2024-10-15 00:08:22,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-10-15 00:08:22,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:08:22,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2024-10-15 00:08:22,805 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 78 letters. Loop has 3 letters. [2024-10-15 00:08:22,805 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:08:22,805 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 81 letters. Loop has 3 letters. [2024-10-15 00:08:22,806 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:08:22,806 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 78 letters. Loop has 6 letters. [2024-10-15 00:08:22,806 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:08:22,806 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 148 states and 158 transitions. [2024-10-15 00:08:22,807 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-15 00:08:22,807 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 148 states to 0 states and 0 transitions. [2024-10-15 00:08:22,807 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-10-15 00:08:22,807 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-10-15 00:08:22,807 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-10-15 00:08:22,807 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-15 00:08:22,807 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-15 00:08:22,807 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-15 00:08:22,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 00:08:22,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-10-15 00:08:22,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=229, Invalid=233, Unknown=0, NotChecked=0, Total=462 [2024-10-15 00:08:22,808 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 22 states, 22 states have (on average 3.6818181818181817) internal successors, (81), 22 states have internal predecessors, (81), 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) [2024-10-15 00:08:22,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 00:08:22,808 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2024-10-15 00:08:22,808 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2024-10-15 00:08:22,808 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-15 00:08:22,808 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2024-10-15 00:08:22,808 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-10-15 00:08:22,808 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-10-15 00:08:22,808 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-10-15 00:08:22,808 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-15 00:08:22,808 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-15 00:08:22,808 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-15 00:08:22,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-15 00:08:22,809 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-15 00:08:22,809 INFO L332 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2024-10-15 00:08:22,809 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-10-15 00:08:22,809 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-15 00:08:22,809 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-10-15 00:08:22,814 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.10 12:08:22 BoogieIcfgContainer [2024-10-15 00:08:22,814 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-15 00:08:22,815 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-15 00:08:22,815 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-15 00:08:22,815 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-15 00:08:22,815 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:07:59" (3/4) ... [2024-10-15 00:08:22,817 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-15 00:08:22,818 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-15 00:08:22,818 INFO L158 Benchmark]: Toolchain (without parser) took 23531.09ms. Allocated memory was 155.2MB in the beginning and 270.5MB in the end (delta: 115.3MB). Free memory was 126.2MB in the beginning and 118.1MB in the end (delta: 8.1MB). Peak memory consumption was 122.0MB. Max. memory is 16.1GB. [2024-10-15 00:08:22,818 INFO L158 Benchmark]: CDTParser took 0.76ms. Allocated memory is still 115.3MB. Free memory is still 66.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 00:08:22,818 INFO L158 Benchmark]: CACSL2BoogieTranslator took 180.58ms. Allocated memory is still 155.2MB. Free memory was 125.6MB in the beginning and 115.2MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-15 00:08:22,818 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.24ms. Allocated memory is still 155.2MB. Free memory was 115.2MB in the beginning and 114.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 00:08:22,818 INFO L158 Benchmark]: Boogie Preprocessor took 25.52ms. Allocated memory is still 155.2MB. Free memory was 114.2MB in the beginning and 112.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 00:08:22,819 INFO L158 Benchmark]: RCFGBuilder took 210.00ms. Allocated memory is still 155.2MB. Free memory was 112.5MB in the beginning and 103.2MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-15 00:08:22,819 INFO L158 Benchmark]: BuchiAutomizer took 23080.99ms. Allocated memory was 155.2MB in the beginning and 270.5MB in the end (delta: 115.3MB). Free memory was 103.2MB in the beginning and 118.1MB in the end (delta: -14.9MB). Peak memory consumption was 98.9MB. Max. memory is 16.1GB. [2024-10-15 00:08:22,819 INFO L158 Benchmark]: Witness Printer took 2.62ms. Allocated memory is still 270.5MB. Free memory is still 118.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 00:08:22,820 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.76ms. Allocated memory is still 115.3MB. Free memory is still 66.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 180.58ms. Allocated memory is still 155.2MB. Free memory was 125.6MB in the beginning and 115.2MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.24ms. Allocated memory is still 155.2MB. Free memory was 115.2MB in the beginning and 114.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.52ms. Allocated memory is still 155.2MB. Free memory was 114.2MB in the beginning and 112.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 210.00ms. Allocated memory is still 155.2MB. Free memory was 112.5MB in the beginning and 103.2MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 23080.99ms. Allocated memory was 155.2MB in the beginning and 270.5MB in the end (delta: 115.3MB). Free memory was 103.2MB in the beginning and 118.1MB in the end (delta: -14.9MB). Peak memory consumption was 98.9MB. Max. memory is 16.1GB. * Witness Printer took 2.62ms. Allocated memory is still 270.5MB. Free memory is still 118.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 13 terminating modules (6 trivial, 5 deterministic, 2 nondeterministic). One deterministic module has 2-nested ranking function null, null and consists of 6 locations. One deterministic module has 2-nested ranking function null, null and consists of 4 locations. One deterministic module has affine ranking function (4294967295 + ((long) -2 * a)) and consists of 8 locations. One deterministic module has 2-nested ranking function null, null and consists of 4 locations. One deterministic module has affine ranking function (2147483647 + ((long) -1 * a)) and consists of 6 locations. One nondeterministic module has affine ranking function (((long) 2 * x) + 1) and consists of 25 locations. One nondeterministic module has 2-nested ranking function null, null and consists of 4 locations. 6 modules have a trivial ranking function, the largest among these consists of 58 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 23.0s and 10 iterations. TraceHistogramMax:16. Analysis of lassos took 18.4s. Construction of modules took 0.6s. Büchi inclusion checks took 3.8s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 9. Automata minimization 0.0s AutomataMinimizationTime, 11 MinimizatonAttempts, 21 StatesRemovedByMinimization, 8 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 [5, 0, 2, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/3 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 289 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 282 mSDsluCounter, 160 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 75 mSDsCounter, 198 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1452 IncrementalHoareTripleChecker+Invalid, 1650 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 198 mSolverCounterUnsat, 85 mSDtfsCounter, 1452 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT2 SILN2 SILU0 SILI0 SILT2 lasso2 LassoPreprocessingBenchmarks: Lassos: inital57 mio100 ax100 hnf100 lsp107 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq156 hnf95 smp100 dnf948 smp53 tf101 neg100 sie108 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 1889ms VariablesStem: 3 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 7 SupportingInvariants: 14 MotzkinApplications: 126 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 17 LassoNonterminationAnalysisSatUnbounded: 4 LassoNonterminationAnalysisUnsat: 7 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.7s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-10-15 00:08:22,834 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2024-10-15 00:08:23,039 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Forceful destruction successful, exit code 0 [2024-10-15 00:08:23,240 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Ended with exit code 0 [2024-10-15 00:08:23,439 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2024-10-15 00:08:23,641 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