./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-bwb/or-01.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../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-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 14:12:29,427 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 14:12:29,489 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-19 14:12:29,492 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 14:12:29,492 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 14:12:29,507 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 14:12:29,507 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 14:12:29,508 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 14:12:29,509 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 14:12:29,509 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 14:12:29,510 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 14:12:29,510 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 14:12:29,510 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 14:12:29,512 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-19 14:12:29,512 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-19 14:12:29,512 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-19 14:12:29,513 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-19 14:12:29,513 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-19 14:12:29,513 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-19 14:12:29,513 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 14:12:29,513 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-19 14:12:29,517 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 14:12:29,517 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 14:12:29,517 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-19 14:12:29,517 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-19 14:12:29,517 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-19 14:12:29,517 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 14:12:29,518 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 14:12:29,518 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 14:12:29,518 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-19 14:12:29,518 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 14:12:29,518 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 14:12:29,519 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 14:12:29,519 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 14:12:29,519 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 14:12:29,519 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-19 14:12:29,519 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f247e4473503f47ee3194e296d6b905e51586799395e11124f119da43a61cc2 [2024-11-19 14:12:29,774 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 14:12:29,794 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 14:12:29,797 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 14:12:29,798 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 14:12:29,799 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 14:12:29,799 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-bwb/or-01.c [2024-11-19 14:12:31,384 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 14:12:31,551 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 14:12:31,552 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-bwb/or-01.c [2024-11-19 14:12:31,560 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d217a7a87/8c0d2b752936459bab4d18ac11ce2106/FLAGaecc61df5 [2024-11-19 14:12:31,588 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d217a7a87/8c0d2b752936459bab4d18ac11ce2106 [2024-11-19 14:12:31,591 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 14:12:31,592 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 14:12:31,600 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 14:12:31,600 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 14:12:31,610 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 14:12:31,611 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:12:31" (1/1) ... [2024-11-19 14:12:31,616 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49085f3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:31, skipping insertion in model container [2024-11-19 14:12:31,617 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:12:31" (1/1) ... [2024-11-19 14:12:31,649 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 14:12:31,872 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 14:12:31,877 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 14:12:31,888 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 14:12:31,899 INFO L204 MainTranslator]: Completed translation [2024-11-19 14:12:31,900 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:31 WrapperNode [2024-11-19 14:12:31,900 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 14:12:31,901 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 14:12:31,901 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 14:12:31,901 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 14:12:31,906 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:31" (1/1) ... [2024-11-19 14:12:31,909 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:31" (1/1) ... [2024-11-19 14:12:31,919 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2024-11-19 14:12:31,920 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 14:12:31,921 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 14:12:31,921 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 14:12:31,921 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 14:12:31,929 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:31" (1/1) ... [2024-11-19 14:12:31,929 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:31" (1/1) ... [2024-11-19 14:12:31,929 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:31" (1/1) ... [2024-11-19 14:12:31,934 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-19 14:12:31,936 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:31" (1/1) ... [2024-11-19 14:12:31,937 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:31" (1/1) ... [2024-11-19 14:12:31,938 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:31" (1/1) ... [2024-11-19 14:12:31,940 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:31" (1/1) ... [2024-11-19 14:12:31,941 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:31" (1/1) ... [2024-11-19 14:12:31,941 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:31" (1/1) ... [2024-11-19 14:12:31,945 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 14:12:31,946 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 14:12:31,946 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 14:12:31,946 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 14:12:31,947 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:31" (1/1) ... [2024-11-19 14:12:31,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:31,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:31,979 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) [2024-11-19 14:12:31,982 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 [2024-11-19 14:12:32,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 14:12:32,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 14:12:32,066 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 14:12:32,068 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 14:12:32,134 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-19 14:12:32,135 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 14:12:32,147 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 14:12:32,147 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 14:12:32,147 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:12:32 BoogieIcfgContainer [2024-11-19 14:12:32,148 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 14:12:32,148 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-19 14:12:32,148 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-19 14:12:32,152 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-19 14:12:32,152 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:12:32,152 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 02:12:31" (1/3) ... [2024-11-19 14:12:32,153 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5348da57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 02:12:32, skipping insertion in model container [2024-11-19 14:12:32,153 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:12:32,153 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:31" (2/3) ... [2024-11-19 14:12:32,154 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5348da57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 02:12:32, skipping insertion in model container [2024-11-19 14:12:32,154 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:12:32,154 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:12:32" (3/3) ... [2024-11-19 14:12:32,155 INFO L332 chiAutomizerObserver]: Analyzing ICFG or-01.c [2024-11-19 14:12:32,196 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-19 14:12:32,196 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-19 14:12:32,196 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-19 14:12:32,196 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-19 14:12:32,196 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-19 14:12:32,197 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-19 14:12:32,197 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-19 14:12:32,197 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-19 14:12:32,203 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) [2024-11-19 14:12:32,215 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-19 14:12:32,215 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:12:32,215 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:12:32,218 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-19 14:12:32,219 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-19 14:12:32,219 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-19 14:12:32,219 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) [2024-11-19 14:12:32,220 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-19 14:12:32,220 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:12:32,220 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:12:32,220 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-19 14:12:32,220 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-19 14:12:32,226 INFO L745 eck$LassoCheckResult]: Stem: 8#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~post1#1, main_#t~bitwise2#1, main_~a~0#1, main_~b~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;main_~a~0#1 := 16;main_~b~0#1 := 30;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 6#L20-2true [2024-11-19 14:12:32,226 INFO L747 eck$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 [2024-11-19 14:12:32,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:12:32,230 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-19 14:12:32,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:12:32,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396282401] [2024-11-19 14:12:32,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:12:32,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:12:32,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:12:32,294 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:12:32,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:12:32,307 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:12:32,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:12:32,309 INFO L85 PathProgramCache]: Analyzing trace with hash 40820, now seen corresponding path program 1 times [2024-11-19 14:12:32,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:12:32,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570302384] [2024-11-19 14:12:32,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:12:32,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:12:32,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:12:32,318 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:12:32,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:12:32,324 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:12:32,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:12:32,326 INFO L85 PathProgramCache]: Analyzing trace with hash 28699762, now seen corresponding path program 1 times [2024-11-19 14:12:32,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:12:32,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100991981] [2024-11-19 14:12:32,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:12:32,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:12:32,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:12:32,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:12:32,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:12:32,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100991981] [2024-11-19 14:12:32,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100991981] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 14:12:32,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 14:12:32,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 14:12:32,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583998943] [2024-11-19 14:12:32,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 14:12:32,539 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:12:32,539 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:12:32,539 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:12:32,539 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:12:32,540 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-19 14:12:32,540 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:32,540 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:12:32,540 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:12:32,540 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration1_Loop [2024-11-19 14:12:32,540 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:12:32,540 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:12:32,571 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:12:32,587 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:12:32,625 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:12:32,796 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:12:32,800 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-19 14:12:32,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:32,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:32,807 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) [2024-11-19 14:12:32,809 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 [2024-11-19 14:12:32,810 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:12:32,811 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:12:32,826 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-19 14:12:32,826 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: [] [2024-11-19 14:12:32,836 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 [2024-11-19 14:12:32,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:32,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:32,838 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) [2024-11-19 14:12:32,840 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 [2024-11-19 14:12:32,846 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:12:32,846 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:12:32,874 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 [2024-11-19 14:12:32,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:32,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:32,880 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) [2024-11-19 14:12:32,882 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 [2024-11-19 14:12:32,883 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-19 14:12:32,883 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:12:33,060 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-19 14:12:33,066 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-11-19 14:12:33,066 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:12:33,066 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:12:33,066 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:12:33,066 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:12:33,066 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-19 14:12:33,067 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:33,067 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:12:33,067 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:12:33,067 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration1_Loop [2024-11-19 14:12:33,067 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:12:33,067 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:12:33,068 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:12:33,073 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:12:33,091 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:12:33,165 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:12:33,168 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-19 14:12:33,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:33,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:33,172 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) [2024-11-19 14:12:33,173 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 [2024-11-19 14:12:33,174 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 [2024-11-19 14:12:33,184 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:12:33,185 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:12:33,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:12:33,185 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:12:33,185 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:12:33,187 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-19 14:12:33,187 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:12:33,189 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:12:33,200 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-11-19 14:12:33,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:33,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:33,202 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) [2024-11-19 14:12:33,203 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 [2024-11-19 14:12:33,204 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 [2024-11-19 14:12:33,215 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:12:33,215 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:12:33,215 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:12:33,215 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-19 14:12:33,215 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:12:33,219 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-19 14:12:33,220 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:12:33,224 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:12:33,234 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-19 14:12:33,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:33,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:33,236 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) [2024-11-19 14:12:33,237 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 [2024-11-19 14:12:33,238 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 [2024-11-19 14:12:33,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:12:33,249 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:12:33,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:12:33,250 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:12:33,250 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:12:33,250 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-19 14:12:33,250 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:12:33,252 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:12:33,263 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 [2024-11-19 14:12:33,263 INFO L451 LassoAnalysis]: Using template '2-nested'. [2024-11-19 14:12:33,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:33,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:33,265 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) [2024-11-19 14:12:33,266 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 [2024-11-19 14:12:33,267 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 [2024-11-19 14:12:33,277 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:12:33,277 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:12:33,278 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:12:33,278 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:12:33,278 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-19 14:12:33,278 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-19 14:12:33,279 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:12:33,280 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:12:33,291 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 [2024-11-19 14:12:33,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:33,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:33,293 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) [2024-11-19 14:12:33,294 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 [2024-11-19 14:12:33,295 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 [2024-11-19 14:12:33,305 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:12:33,305 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:12:33,305 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:12:33,305 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-19 14:12:33,305 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-19 14:12:33,309 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-19 14:12:33,310 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:12:33,316 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-19 14:12:33,325 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-11-19 14:12:33,325 INFO L444 ModelExtractionUtils]: 4 out of 9 variables were initially zero. Simplification set additionally 2 variables to zero. [2024-11-19 14:12:33,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:33,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:33,329 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) [2024-11-19 14:12:33,332 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 [2024-11-19 14:12:33,333 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-19 14:12:33,333 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-19 14:12:33,333 INFO L474 LassoAnalysis]: Proved termination. [2024-11-19 14:12:33,334 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 [] [2024-11-19 14:12:33,348 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 [2024-11-19 14:12:33,351 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-19 14:12:33,363 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-11-19 14:12:33,364 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-11-19 14:12:33,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:12:33,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:12:33,388 INFO L255 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 14:12:33,388 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:12:33,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:12:33,404 WARN L253 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-19 14:12:33,405 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:12:33,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:12:33,623 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 [2024-11-19 14:12:33,625 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) [2024-11-19 14:12:33,645 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 [2024-11-19 14:12:33,858 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. [2024-11-19 14:12:33,864 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 [2024-11-19 14:12:33,867 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) [2024-11-19 14:12:33,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 13 transitions. [2024-11-19 14:12:33,877 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 2 letters. Loop has 3 letters. [2024-11-19 14:12:33,878 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:12:33,878 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 5 letters. Loop has 3 letters. [2024-11-19 14:12:33,878 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:12:33,878 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 2 letters. Loop has 6 letters. [2024-11-19 14:12:33,879 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:12:33,879 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 41 transitions. [2024-11-19 14:12:33,886 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-19 14:12:33,890 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 18 states and 23 transitions. [2024-11-19 14:12:33,890 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-19 14:12:33,894 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2024-11-19 14:12:33,895 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 23 transitions. [2024-11-19 14:12:33,895 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-19 14:12:33,895 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 23 transitions. [2024-11-19 14:12:33,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 23 transitions. [2024-11-19 14:12:33,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 14. [2024-11-19 14:12:33,933 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) [2024-11-19 14:12:33,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 19 transitions. [2024-11-19 14:12:33,934 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 19 transitions. [2024-11-19 14:12:33,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:12:33,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 14:12:33,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 14:12:33,941 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) [2024-11-19 14:12:33,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 14:12:33,980 INFO L93 Difference]: Finished difference Result 13 states and 16 transitions. [2024-11-19 14:12:33,980 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 16 transitions. [2024-11-19 14:12:33,981 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-19 14:12:33,982 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 13 states and 16 transitions. [2024-11-19 14:12:33,986 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2024-11-19 14:12:33,986 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-11-19 14:12:33,986 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 16 transitions. [2024-11-19 14:12:33,987 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-19 14:12:33,987 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 16 transitions. [2024-11-19 14:12:33,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 16 transitions. [2024-11-19 14:12:33,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2024-11-19 14:12:33,988 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) [2024-11-19 14:12:33,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2024-11-19 14:12:33,989 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12 states and 15 transitions. [2024-11-19 14:12:33,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 14:12:33,990 INFO L425 stractBuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2024-11-19 14:12:33,991 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-19 14:12:33,991 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 15 transitions. [2024-11-19 14:12:33,991 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-19 14:12:33,995 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:12:33,995 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:12:33,995 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-19 14:12:33,996 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-19 14:12:33,996 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 [2024-11-19 14:12:33,996 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 [2024-11-19 14:12:33,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:12:33,996 INFO L85 PathProgramCache]: Analyzing trace with hash 28699819, now seen corresponding path program 1 times [2024-11-19 14:12:33,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:12:33,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840102075] [2024-11-19 14:12:33,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:12:33,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:12:34,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:12:34,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:12:34,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:12:34,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840102075] [2024-11-19 14:12:34,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840102075] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 14:12:34,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 14:12:34,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 14:12:34,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934838676] [2024-11-19 14:12:34,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 14:12:34,053 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-19 14:12:34,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:12:34,054 INFO L85 PathProgramCache]: Analyzing trace with hash 53210, now seen corresponding path program 2 times [2024-11-19 14:12:34,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:12:34,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770899646] [2024-11-19 14:12:34,054 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 14:12:34,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:12:34,060 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 14:12:34,062 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:12:34,062 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:12:34,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:12:34,069 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:12:34,128 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:12:34,129 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:12:34,129 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:12:34,129 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:12:34,129 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-19 14:12:34,129 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:34,129 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:12:34,129 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:12:34,129 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration2_Loop [2024-11-19 14:12:34,129 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:12:34,129 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:12:34,134 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:12:34,148 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:12:34,154 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:12:34,241 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:12:34,241 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-19 14:12:34,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:34,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:34,246 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) [2024-11-19 14:12:34,248 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 [2024-11-19 14:12:34,249 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:12:34,249 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:12:34,294 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-11-19 14:12:34,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:34,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:34,296 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) [2024-11-19 14:12:34,301 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-19 14:12:34,301 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:12:34,305 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 [2024-11-19 14:12:34,581 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-19 14:12:34,594 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-11-19 14:12:34,595 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:12:34,595 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:12:34,595 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:12:34,595 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:12:34,595 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-19 14:12:34,595 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:34,595 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:12:34,595 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:12:34,595 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration2_Loop [2024-11-19 14:12:34,595 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:12:34,595 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:12:34,596 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:12:34,615 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:12:34,617 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:12:34,718 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:12:34,718 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-19 14:12:34,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:34,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:34,723 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) [2024-11-19 14:12:34,727 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 [2024-11-19 14:12:34,728 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 [2024-11-19 14:12:34,745 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:12:34,745 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:12:34,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:12:34,749 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:12:34,749 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:12:34,750 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-19 14:12:34,750 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:12:34,751 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:12:34,772 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 [2024-11-19 14:12:34,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:34,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:34,777 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) [2024-11-19 14:12:34,780 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 [2024-11-19 14:12:34,780 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 [2024-11-19 14:12:34,801 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:12:34,802 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:12:34,802 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:12:34,802 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:12:34,802 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:12:34,802 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-19 14:12:34,802 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:12:34,822 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:12:34,847 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-11-19 14:12:34,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:34,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:34,858 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) [2024-11-19 14:12:34,864 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 [2024-11-19 14:12:34,865 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 [2024-11-19 14:12:34,875 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:12:34,875 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:12:34,876 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:12:34,876 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-19 14:12:34,876 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:12:34,889 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-19 14:12:34,889 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:12:34,902 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:12:34,924 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-11-19 14:12:34,924 INFO L451 LassoAnalysis]: Using template '2-nested'. [2024-11-19 14:12:34,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:34,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:34,926 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) [2024-11-19 14:12:34,933 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 [2024-11-19 14:12:34,937 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 [2024-11-19 14:12:34,955 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:12:34,955 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:12:34,955 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:12:34,955 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:12:34,955 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-19 14:12:34,956 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-19 14:12:34,956 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:12:34,960 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:12:34,982 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-11-19 14:12:34,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:34,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:34,996 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) [2024-11-19 14:12:34,999 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 [2024-11-19 14:12:35,000 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 [2024-11-19 14:12:35,022 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:12:35,022 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:12:35,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:12:35,023 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:12:35,026 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-19 14:12:35,030 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-19 14:12:35,030 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:12:35,094 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:12:35,116 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 [2024-11-19 14:12:35,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:35,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:35,120 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) [2024-11-19 14:12:35,130 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 [2024-11-19 14:12:35,131 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 [2024-11-19 14:12:35,149 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:12:35,153 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:12:35,153 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:12:35,153 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-19 14:12:35,153 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-19 14:12:35,157 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-19 14:12:35,157 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:12:35,170 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-19 14:12:35,185 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2024-11-19 14:12:35,185 INFO L444 ModelExtractionUtils]: 3 out of 9 variables were initially zero. Simplification set additionally 2 variables to zero. [2024-11-19 14:12:35,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:35,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:35,187 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) [2024-11-19 14:12:35,192 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 [2024-11-19 14:12:35,192 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-19 14:12:35,192 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-19 14:12:35,192 INFO L474 LassoAnalysis]: Proved termination. [2024-11-19 14:12:35,192 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 [] [2024-11-19 14:12:35,214 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-11-19 14:12:35,215 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-19 14:12:35,217 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-11-19 14:12:35,217 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-11-19 14:12:35,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:12:35,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:12:35,249 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 14:12:35,249 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:12:35,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:12:35,266 WARN L253 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 14:12:35,267 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:12:35,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:12:35,522 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 [2024-11-19 14:12:35,522 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) [2024-11-19 14:12:35,575 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. [2024-11-19 14:12:35,576 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 [2024-11-19 14:12:35,577 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) [2024-11-19 14:12:35,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2024-11-19 14:12:35,581 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 5 letters. Loop has 3 letters. [2024-11-19 14:12:35,582 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:12:35,582 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 8 letters. Loop has 3 letters. [2024-11-19 14:12:35,582 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:12:35,582 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 5 letters. Loop has 6 letters. [2024-11-19 14:12:35,582 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:12:35,582 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 37 transitions. [2024-11-19 14:12:35,583 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2024-11-19 14:12:35,583 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 27 states and 35 transitions. [2024-11-19 14:12:35,583 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2024-11-19 14:12:35,583 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2024-11-19 14:12:35,583 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 35 transitions. [2024-11-19 14:12:35,583 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-19 14:12:35,583 INFO L218 hiAutomatonCegarLoop]: Abstraction has 27 states and 35 transitions. [2024-11-19 14:12:35,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 35 transitions. [2024-11-19 14:12:35,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 25. [2024-11-19 14:12:35,590 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) [2024-11-19 14:12:35,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 33 transitions. [2024-11-19 14:12:35,591 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 33 transitions. [2024-11-19 14:12:35,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:12:35,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 14:12:35,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 14:12:35,591 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) [2024-11-19 14:12:35,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 14:12:35,607 INFO L93 Difference]: Finished difference Result 12 states and 13 transitions. [2024-11-19 14:12:35,607 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 13 transitions. [2024-11-19 14:12:35,607 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-19 14:12:35,610 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 10 states and 11 transitions. [2024-11-19 14:12:35,610 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-11-19 14:12:35,610 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-11-19 14:12:35,610 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 11 transitions. [2024-11-19 14:12:35,610 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-19 14:12:35,610 INFO L218 hiAutomatonCegarLoop]: Abstraction has 10 states and 11 transitions. [2024-11-19 14:12:35,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 11 transitions. [2024-11-19 14:12:35,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2024-11-19 14:12:35,611 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) [2024-11-19 14:12:35,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2024-11-19 14:12:35,612 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 10 transitions. [2024-11-19 14:12:35,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 14:12:35,614 INFO L425 stractBuchiCegarLoop]: Abstraction has 9 states and 10 transitions. [2024-11-19 14:12:35,614 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-19 14:12:35,614 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 10 transitions. [2024-11-19 14:12:35,614 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-19 14:12:35,616 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:12:35,616 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:12:35,616 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-19 14:12:35,616 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-19 14:12:35,617 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 [2024-11-19 14:12:35,617 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 [2024-11-19 14:12:35,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:12:35,617 INFO L85 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 1 times [2024-11-19 14:12:35,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:12:35,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560262918] [2024-11-19 14:12:35,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:12:35,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:12:35,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:12:35,627 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:12:35,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:12:35,630 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:12:35,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:12:35,631 INFO L85 PathProgramCache]: Analyzing trace with hash 48701915, now seen corresponding path program 1 times [2024-11-19 14:12:35,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:12:35,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932485227] [2024-11-19 14:12:35,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:12:35,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:12:35,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:12:35,642 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:12:35,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:12:35,649 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:12:35,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:12:35,650 INFO L85 PathProgramCache]: Analyzing trace with hash 644884948, now seen corresponding path program 1 times [2024-11-19 14:12:35,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:12:35,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814848106] [2024-11-19 14:12:35,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:12:35,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:12:35,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:12:35,661 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:12:35,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:12:35,668 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:12:35,955 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:12:35,956 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:12:35,956 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:12:35,956 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:12:35,956 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-19 14:12:35,956 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:35,956 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:12:35,956 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:12:35,956 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration3_Loop [2024-11-19 14:12:35,956 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:12:35,956 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:12:35,957 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:12:36,022 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:12:36,028 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:12:36,107 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2024-11-19 14:12:36,293 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 [2024-11-19 14:12:36,582 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:12:36,586 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-19 14:12:36,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:36,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:36,588 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) [2024-11-19 14:12:36,589 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 [2024-11-19 14:12:36,590 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:12:36,590 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:12:36,628 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 [2024-11-19 14:12:36,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:36,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:36,631 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) [2024-11-19 14:12:36,632 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 [2024-11-19 14:12:36,633 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-19 14:12:36,633 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:12:36,666 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-19 14:12:36,666 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] [2024-11-19 14:12:36,670 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 [2024-11-19 14:12:36,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:36,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:36,677 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) [2024-11-19 14:12:36,680 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 [2024-11-19 14:12:36,680 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:12:36,681 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:12:36,698 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-19 14:12:36,699 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: [] [2024-11-19 14:12:36,709 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 [2024-11-19 14:12:36,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:36,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:36,727 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) [2024-11-19 14:12:36,728 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 [2024-11-19 14:12:36,730 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:12:36,730 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:12:36,741 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-19 14:12:36,742 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: [] [2024-11-19 14:12:36,752 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 [2024-11-19 14:12:36,786 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:12:36,786 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:12:36,786 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:12:36,786 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:12:36,786 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-19 14:12:36,786 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:36,786 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:12:36,786 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:12:36,786 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration3_Lasso [2024-11-19 14:12:36,787 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:12:36,787 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:12:36,788 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:12:36,789 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:12:36,790 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:12:36,849 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:12:36,851 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:12:36,959 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2024-11-19 14:12:37,422 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:12:37,422 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-19 14:12:37,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:37,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:37,424 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) [2024-11-19 14:12:37,429 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 [2024-11-19 14:12:37,430 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:12:37,430 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:12:37,454 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-19 14:12:37,454 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: [] [2024-11-19 14:12:37,478 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 [2024-11-19 14:12:37,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:37,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:37,480 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) [2024-11-19 14:12:37,483 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 [2024-11-19 14:12:37,484 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:12:37,484 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:12:37,494 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-19 14:12:37,495 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: [] [2024-11-19 14:12:37,505 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 [2024-11-19 14:12:37,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:37,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:37,507 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) [2024-11-19 14:12:37,508 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 [2024-11-19 14:12:37,508 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:12:37,508 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:12:37,531 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2024-11-19 14:12:37,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:37,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:37,536 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) [2024-11-19 14:12:37,537 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 [2024-11-19 14:12:37,538 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-19 14:12:37,538 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:12:37,567 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-19 14:12:37,571 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2024-11-19 14:12:37,572 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:12:37,572 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:12:37,572 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:12:37,572 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:12:37,572 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-19 14:12:37,572 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:37,572 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:12:37,572 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:12:37,572 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration3_Lasso [2024-11-19 14:12:37,572 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:12:37,572 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:12:37,573 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:12:37,582 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:12:37,584 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:12:37,667 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:12:37,669 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:12:37,768 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2024-11-19 14:12:38,187 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:12:38,187 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-19 14:12:38,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:38,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:38,189 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) [2024-11-19 14:12:38,190 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 [2024-11-19 14:12:38,190 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 [2024-11-19 14:12:38,200 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:12:38,200 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:12:38,200 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:12:38,200 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:12:38,200 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:12:38,201 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-19 14:12:38,201 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:12:38,202 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:12:38,212 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 [2024-11-19 14:12:38,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:38,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:38,214 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) [2024-11-19 14:12:38,214 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 [2024-11-19 14:12:38,215 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 [2024-11-19 14:12:38,225 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:12:38,225 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:12:38,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:12:38,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:12:38,225 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:12:38,225 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-19 14:12:38,225 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:12:38,227 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:12:38,237 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2024-11-19 14:12:38,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:38,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:38,238 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) [2024-11-19 14:12:38,239 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 [2024-11-19 14:12:38,240 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-19 14:12:38,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:12:38,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:12:38,250 INFO L204 nArgumentSynthesizer]: 7 loop disjuncts [2024-11-19 14:12:38,250 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:12:38,311 INFO L401 nArgumentSynthesizer]: We have 126 Motzkin's Theorem applications. [2024-11-19 14:12:38,311 INFO L402 nArgumentSynthesizer]: A total of 14 supporting invariants were added. [2024-11-19 14:12:39,391 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-19 14:12:39,958 INFO L443 ModelExtractionUtils]: Simplification made 25 calls to the SMT solver. [2024-11-19 14:12:39,959 INFO L444 ModelExtractionUtils]: 30 out of 61 variables were initially zero. Simplification set additionally 25 variables to zero. [2024-11-19 14:12:39,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:39,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:39,961 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) [2024-11-19 14:12:39,962 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 [2024-11-19 14:12:39,962 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-19 14:12:39,983 INFO L438 nArgumentSynthesizer]: Removed 13 redundant supporting invariants from a total of 14. [2024-11-19 14:12:39,983 INFO L474 LassoAnalysis]: Proved termination. [2024-11-19 14:12:39,984 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] [2024-11-19 14:12:40,001 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 [2024-11-19 14:12:40,013 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2024-11-19 14:12:40,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:12:40,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:12:40,056 INFO L255 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 14:12:40,057 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:12:40,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:12:40,133 WARN L253 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-19 14:12:40,133 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:12:40,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:12:40,282 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 [2024-11-19 14:12:40,282 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) [2024-11-19 14:12:40,372 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. [2024-11-19 14:12:40,373 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 [2024-11-19 14:12:40,374 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) [2024-11-19 14:12:40,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2024-11-19 14:12:40,374 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 10 transitions. Stem has 4 letters. Loop has 5 letters. [2024-11-19 14:12:40,374 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:12:40,374 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 10 transitions. Stem has 9 letters. Loop has 5 letters. [2024-11-19 14:12:40,374 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:12:40,375 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 10 transitions. Stem has 4 letters. Loop has 10 letters. [2024-11-19 14:12:40,375 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:12:40,375 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 24 transitions. [2024-11-19 14:12:40,376 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-19 14:12:40,376 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 16 states and 18 transitions. [2024-11-19 14:12:40,378 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-11-19 14:12:40,378 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-11-19 14:12:40,378 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 18 transitions. [2024-11-19 14:12:40,379 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-19 14:12:40,379 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 18 transitions. [2024-11-19 14:12:40,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 18 transitions. [2024-11-19 14:12:40,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2024-11-19 14:12:40,379 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) [2024-11-19 14:12:40,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2024-11-19 14:12:40,379 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 17 transitions. [2024-11-19 14:12:40,380 INFO L425 stractBuchiCegarLoop]: Abstraction has 15 states and 17 transitions. [2024-11-19 14:12:40,380 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-19 14:12:40,380 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 17 transitions. [2024-11-19 14:12:40,380 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-19 14:12:40,380 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:12:40,380 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:12:40,382 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:12:40,382 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-19 14:12:40,382 INFO L745 eck$LassoCheckResult]: Stem: 362#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 363#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~post1#1, main_#t~bitwise2#1, main_~a~0#1, main_~b~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;main_~a~0#1 := 16;main_~b~0#1 := 30;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 361#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 357#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 358#L22-2 assume !(0 == main_~a~0#1); 365#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 355#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 356#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 359#L22 assume 0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1;main_#t~bitwise2#1 := main_~a~0#1; 353#L22-5 [2024-11-19 14:12:40,382 INFO L747 eck$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 [2024-11-19 14:12:40,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:12:40,382 INFO L85 PathProgramCache]: Analyzing trace with hash 644884946, now seen corresponding path program 1 times [2024-11-19 14:12:40,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:12:40,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47454409] [2024-11-19 14:12:40,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:12:40,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:12:40,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:12:40,520 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:12:40,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:12:40,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47454409] [2024-11-19 14:12:40,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47454409] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 14:12:40,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2034797620] [2024-11-19 14:12:40,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:12:40,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 14:12:40,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:40,523 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) [2024-11-19 14:12:40,524 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-19 14:12:40,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:12:40,547 INFO L255 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-19 14:12:40,548 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:12:40,593 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:12:40,594 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 14:12:40,711 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 [2024-11-19 14:12:40,713 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:12:40,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2034797620] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 14:12:40,713 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 14:12:40,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 6] total 15 [2024-11-19 14:12:40,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417231282] [2024-11-19 14:12:40,714 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 14:12:40,714 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-19 14:12:40,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:12:40,714 INFO L85 PathProgramCache]: Analyzing trace with hash 53210, now seen corresponding path program 3 times [2024-11-19 14:12:40,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:12:40,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107921266] [2024-11-19 14:12:40,715 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 14:12:40,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:12:40,718 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 14:12:40,718 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:12:40,718 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:12:40,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:12:40,720 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:12:40,751 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:12:40,751 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:12:40,752 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:12:40,752 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:12:40,752 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-19 14:12:40,752 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:40,752 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:12:40,752 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:12:40,752 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration4_Loop [2024-11-19 14:12:40,752 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:12:40,752 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:12:40,753 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:12:40,755 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:12:40,765 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:12:40,820 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:12:40,820 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-19 14:12:40,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:40,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:40,822 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) [2024-11-19 14:12:40,823 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 [2024-11-19 14:12:40,823 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:12:40,824 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:12:40,836 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-19 14:12:40,836 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: [] [2024-11-19 14:12:40,847 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2024-11-19 14:12:40,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:40,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:40,848 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) [2024-11-19 14:12:40,850 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 [2024-11-19 14:12:40,850 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:12:40,850 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:12:40,872 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 [2024-11-19 14:12:40,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:40,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:40,876 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) [2024-11-19 14:12:40,877 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 [2024-11-19 14:12:40,877 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-19 14:12:40,878 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:12:41,116 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-19 14:12:41,123 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2024-11-19 14:12:41,123 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:12:41,123 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:12:41,123 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:12:41,123 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:12:41,123 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-19 14:12:41,123 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:41,123 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:12:41,123 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:12:41,123 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration4_Loop [2024-11-19 14:12:41,123 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:12:41,123 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:12:41,125 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:12:41,127 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:12:41,129 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:12:41,232 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:12:41,232 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-19 14:12:41,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:41,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:41,234 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) [2024-11-19 14:12:41,235 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 [2024-11-19 14:12:41,237 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 [2024-11-19 14:12:41,246 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:12:41,247 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:12:41,247 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:12:41,247 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:12:41,247 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:12:41,248 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-19 14:12:41,248 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:12:41,249 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:12:41,259 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2024-11-19 14:12:41,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:41,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:41,264 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) [2024-11-19 14:12:41,266 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 [2024-11-19 14:12:41,266 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 [2024-11-19 14:12:41,276 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:12:41,276 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:12:41,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:12:41,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:12:41,277 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:12:41,277 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-19 14:12:41,277 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:12:41,278 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:12:41,288 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 [2024-11-19 14:12:41,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:41,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:41,290 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) [2024-11-19 14:12:41,291 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 [2024-11-19 14:12:41,292 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 [2024-11-19 14:12:41,302 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:12:41,302 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:12:41,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:12:41,302 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-19 14:12:41,302 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:12:41,304 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-19 14:12:41,304 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:12:41,308 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:12:41,317 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 [2024-11-19 14:12:41,318 INFO L451 LassoAnalysis]: Using template '2-nested'. [2024-11-19 14:12:41,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:41,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:41,319 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) [2024-11-19 14:12:41,320 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 [2024-11-19 14:12:41,321 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 [2024-11-19 14:12:41,331 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:12:41,331 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:12:41,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:12:41,331 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:12:41,331 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-19 14:12:41,332 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-19 14:12:41,332 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:12:41,333 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:12:41,343 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 [2024-11-19 14:12:41,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:41,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:41,345 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) [2024-11-19 14:12:41,346 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 [2024-11-19 14:12:41,347 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 [2024-11-19 14:12:41,357 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:12:41,357 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:12:41,357 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:12:41,357 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:12:41,357 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-19 14:12:41,357 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-19 14:12:41,358 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:12:41,361 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:12:41,374 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 [2024-11-19 14:12:41,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:41,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:41,375 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) [2024-11-19 14:12:41,376 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 [2024-11-19 14:12:41,377 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 [2024-11-19 14:12:41,387 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:12:41,387 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:12:41,387 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:12:41,387 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-19 14:12:41,387 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-19 14:12:41,390 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-19 14:12:41,390 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:12:41,395 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-19 14:12:41,400 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2024-11-19 14:12:41,400 INFO L444 ModelExtractionUtils]: 3 out of 9 variables were initially zero. Simplification set additionally 2 variables to zero. [2024-11-19 14:12:41,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:41,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:41,404 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) [2024-11-19 14:12:41,409 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 [2024-11-19 14:12:41,409 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-19 14:12:41,409 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-19 14:12:41,410 INFO L474 LassoAnalysis]: Proved termination. [2024-11-19 14:12:41,410 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 [] [2024-11-19 14:12:41,420 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 [2024-11-19 14:12:41,421 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-19 14:12:41,423 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-11-19 14:12:41,423 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-11-19 14:12:41,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:12:41,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:12:41,446 INFO L255 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 14:12:41,446 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:12:41,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:12:41,461 WARN L253 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 14:12:41,462 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:12:41,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:12:41,556 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 [2024-11-19 14:12:41,557 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) [2024-11-19 14:12:41,580 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. [2024-11-19 14:12:41,580 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 [2024-11-19 14:12:41,581 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) [2024-11-19 14:12:41,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2024-11-19 14:12:41,581 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 9 letters. Loop has 3 letters. [2024-11-19 14:12:41,581 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:12:41,581 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 12 letters. Loop has 3 letters. [2024-11-19 14:12:41,581 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:12:41,582 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 9 letters. Loop has 6 letters. [2024-11-19 14:12:41,582 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:12:41,582 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 31 transitions. [2024-11-19 14:12:41,582 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-19 14:12:41,583 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 24 states and 28 transitions. [2024-11-19 14:12:41,583 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2024-11-19 14:12:41,583 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2024-11-19 14:12:41,583 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 28 transitions. [2024-11-19 14:12:41,583 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-19 14:12:41,583 INFO L218 hiAutomatonCegarLoop]: Abstraction has 24 states and 28 transitions. [2024-11-19 14:12:41,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 28 transitions. [2024-11-19 14:12:41,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 21. [2024-11-19 14:12:41,584 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) [2024-11-19 14:12:41,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2024-11-19 14:12:41,585 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 25 transitions. [2024-11-19 14:12:41,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:12:41,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-19 14:12:41,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2024-11-19 14:12:41,585 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) [2024-11-19 14:12:41,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 14:12:41,637 INFO L93 Difference]: Finished difference Result 30 states and 34 transitions. [2024-11-19 14:12:41,637 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 34 transitions. [2024-11-19 14:12:41,637 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-19 14:12:41,638 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 30 states and 34 transitions. [2024-11-19 14:12:41,638 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2024-11-19 14:12:41,638 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-11-19 14:12:41,638 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 34 transitions. [2024-11-19 14:12:41,638 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-19 14:12:41,638 INFO L218 hiAutomatonCegarLoop]: Abstraction has 30 states and 34 transitions. [2024-11-19 14:12:41,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 34 transitions. [2024-11-19 14:12:41,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2024-11-19 14:12:41,639 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) [2024-11-19 14:12:41,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions. [2024-11-19 14:12:41,640 INFO L240 hiAutomatonCegarLoop]: Abstraction has 30 states and 34 transitions. [2024-11-19 14:12:41,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 14:12:41,640 INFO L425 stractBuchiCegarLoop]: Abstraction has 30 states and 34 transitions. [2024-11-19 14:12:41,641 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-19 14:12:41,641 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 34 transitions. [2024-11-19 14:12:41,641 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-19 14:12:41,641 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:12:41,641 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:12:41,642 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 4, 4, 3, 3, 1, 1, 1] [2024-11-19 14:12:41,642 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-19 14:12:41,642 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 [2024-11-19 14:12:41,642 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 [2024-11-19 14:12:41,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:12:41,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1908372501, now seen corresponding path program 2 times [2024-11-19 14:12:41,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:12:41,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766621911] [2024-11-19 14:12:41,643 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 14:12:41,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:12:41,651 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 14:12:41,651 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 14:12:41,944 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 11 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:12:41,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:12:41,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766621911] [2024-11-19 14:12:41,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766621911] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 14:12:41,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1216748330] [2024-11-19 14:12:41,944 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 14:12:41,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 14:12:41,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:41,946 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) [2024-11-19 14:12:41,947 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2024-11-19 14:12:41,984 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 14:12:41,984 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 14:12:41,985 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-19 14:12:41,986 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:12:42,201 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 11 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:12:42,202 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 14:12:42,434 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2024-11-19 14:12:42,498 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 11 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:12:42,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1216748330] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 14:12:42,498 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 14:12:42,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 13] total 30 [2024-11-19 14:12:42,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898270303] [2024-11-19 14:12:42,498 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 14:12:42,499 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-19 14:12:42,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:12:42,499 INFO L85 PathProgramCache]: Analyzing trace with hash 48701915, now seen corresponding path program 2 times [2024-11-19 14:12:42,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:12:42,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315455538] [2024-11-19 14:12:42,499 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 14:12:42,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:12:42,502 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 14:12:42,502 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:12:42,502 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:12:42,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:12:42,505 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:12:42,778 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:12:42,779 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:12:42,779 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:12:42,780 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:12:42,780 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-19 14:12:42,781 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:42,781 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:12:42,781 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:12:42,781 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration5_Loop [2024-11-19 14:12:42,781 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:12:42,781 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:12:42,782 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:12:42,784 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:12:42,826 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:12:42,875 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2024-11-19 14:12:43,175 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:12:43,175 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-19 14:12:43,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:43,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:43,177 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) [2024-11-19 14:12:43,179 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 [2024-11-19 14:12:43,180 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:12:43,180 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:12:43,192 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-19 14:12:43,192 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: [] [2024-11-19 14:12:43,205 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 [2024-11-19 14:12:43,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:43,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:43,207 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) [2024-11-19 14:12:43,208 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 [2024-11-19 14:12:43,209 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:12:43,209 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:12:43,241 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2024-11-19 14:12:43,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:43,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:43,243 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) [2024-11-19 14:12:43,244 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 [2024-11-19 14:12:43,245 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-19 14:12:43,245 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:12:43,277 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-19 14:12:43,277 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] [2024-11-19 14:12:43,281 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 [2024-11-19 14:12:43,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:43,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:43,282 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) [2024-11-19 14:12:43,287 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 [2024-11-19 14:12:43,288 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:12:43,288 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:12:43,300 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-19 14:12:43,300 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: [] [2024-11-19 14:12:43,310 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 [2024-11-19 14:12:43,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:12:43,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-19 14:12:43,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=201, Invalid=669, Unknown=0, NotChecked=0, Total=870 [2024-11-19 14:12:43,312 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) [2024-11-19 14:12:43,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 14:12:43,461 INFO L93 Difference]: Finished difference Result 50 states and 54 transitions. [2024-11-19 14:12:43,461 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 54 transitions. [2024-11-19 14:12:43,462 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-19 14:12:43,463 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 50 states and 54 transitions. [2024-11-19 14:12:43,463 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2024-11-19 14:12:43,463 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-11-19 14:12:43,463 INFO L73 IsDeterministic]: Start isDeterministic. Operand 50 states and 54 transitions. [2024-11-19 14:12:43,463 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-19 14:12:43,463 INFO L218 hiAutomatonCegarLoop]: Abstraction has 50 states and 54 transitions. [2024-11-19 14:12:43,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states and 54 transitions. [2024-11-19 14:12:43,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-11-19 14:12:43,472 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) [2024-11-19 14:12:43,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 54 transitions. [2024-11-19 14:12:43,472 INFO L240 hiAutomatonCegarLoop]: Abstraction has 50 states and 54 transitions. [2024-11-19 14:12:43,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-19 14:12:43,474 INFO L425 stractBuchiCegarLoop]: Abstraction has 50 states and 54 transitions. [2024-11-19 14:12:43,477 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-11-19 14:12:43,477 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 50 states and 54 transitions. [2024-11-19 14:12:43,478 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-19 14:12:43,478 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:12:43,478 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:12:43,479 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [9, 8, 8, 7, 7, 1, 1, 1] [2024-11-19 14:12:43,479 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-19 14:12:43,480 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 [2024-11-19 14:12:43,480 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 [2024-11-19 14:12:43,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:12:43,480 INFO L85 PathProgramCache]: Analyzing trace with hash -53972245, now seen corresponding path program 3 times [2024-11-19 14:12:43,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:12:43,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489233992] [2024-11-19 14:12:43,485 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 14:12:43,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:12:43,532 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-11-19 14:12:43,535 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 14:12:44,016 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 23 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:12:44,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:12:44,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489233992] [2024-11-19 14:12:44,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489233992] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 14:12:44,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1295765806] [2024-11-19 14:12:44,017 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 14:12:44,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 14:12:44,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:44,019 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) [2024-11-19 14:12:44,020 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2024-11-19 14:12:44,059 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-11-19 14:12:44,059 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 14:12:44,060 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-19 14:12:44,062 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:12:44,419 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 23 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:12:44,420 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 14:12:45,112 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 23 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:12:45,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1295765806] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 14:12:45,112 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 14:12:45,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18, 25] total 58 [2024-11-19 14:12:45,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655985833] [2024-11-19 14:12:45,113 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 14:12:45,113 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-19 14:12:45,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:12:45,113 INFO L85 PathProgramCache]: Analyzing trace with hash 48701915, now seen corresponding path program 3 times [2024-11-19 14:12:45,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:12:45,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829156629] [2024-11-19 14:12:45,114 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 14:12:45,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:12:45,116 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 14:12:45,117 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:12:45,117 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:12:45,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:12:45,119 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:12:45,246 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:12:45,247 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:12:45,247 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:12:45,247 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:12:45,247 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-19 14:12:45,247 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:45,247 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:12:45,247 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:12:45,247 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration6_Loop [2024-11-19 14:12:45,247 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:12:45,247 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:12:45,248 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:12:45,250 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:12:45,285 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:12:45,330 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2024-11-19 14:12:45,620 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:12:45,620 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-19 14:12:45,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:45,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:45,624 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) [2024-11-19 14:12:45,625 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 [2024-11-19 14:12:45,628 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:12:45,629 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:12:45,640 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-19 14:12:45,640 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: [] [2024-11-19 14:12:45,650 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2024-11-19 14:12:45,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:45,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:45,652 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) [2024-11-19 14:12:45,653 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 [2024-11-19 14:12:45,654 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:12:45,654 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:12:45,687 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 [2024-11-19 14:12:45,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:45,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:45,688 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) [2024-11-19 14:12:45,689 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 [2024-11-19 14:12:45,690 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-19 14:12:45,690 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:12:45,722 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-19 14:12:45,723 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] [2024-11-19 14:12:45,727 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2024-11-19 14:12:45,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:45,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:45,728 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) [2024-11-19 14:12:45,729 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 [2024-11-19 14:12:45,730 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:12:45,730 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:12:45,741 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-19 14:12:45,741 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: [] [2024-11-19 14:12:45,752 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 [2024-11-19 14:12:45,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:12:45,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2024-11-19 14:12:45,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=646, Invalid=2660, Unknown=0, NotChecked=0, Total=3306 [2024-11-19 14:12:45,754 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) [2024-11-19 14:12:46,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 14:12:46,132 INFO L93 Difference]: Finished difference Result 80 states and 84 transitions. [2024-11-19 14:12:46,132 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 80 states and 84 transitions. [2024-11-19 14:12:46,133 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-19 14:12:46,133 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 80 states to 80 states and 84 transitions. [2024-11-19 14:12:46,133 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2024-11-19 14:12:46,134 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-11-19 14:12:46,134 INFO L73 IsDeterministic]: Start isDeterministic. Operand 80 states and 84 transitions. [2024-11-19 14:12:46,134 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-19 14:12:46,134 INFO L218 hiAutomatonCegarLoop]: Abstraction has 80 states and 84 transitions. [2024-11-19 14:12:46,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states and 84 transitions. [2024-11-19 14:12:46,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2024-11-19 14:12:46,143 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) [2024-11-19 14:12:46,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 84 transitions. [2024-11-19 14:12:46,143 INFO L240 hiAutomatonCegarLoop]: Abstraction has 80 states and 84 transitions. [2024-11-19 14:12:46,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-19 14:12:46,144 INFO L425 stractBuchiCegarLoop]: Abstraction has 80 states and 84 transitions. [2024-11-19 14:12:46,144 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-11-19 14:12:46,144 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 80 states and 84 transitions. [2024-11-19 14:12:46,149 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-19 14:12:46,149 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:12:46,149 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:12:46,155 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [15, 14, 14, 13, 13, 1, 1, 1] [2024-11-19 14:12:46,155 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-19 14:12:46,155 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 [2024-11-19 14:12:46,155 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 [2024-11-19 14:12:46,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:12:46,156 INFO L85 PathProgramCache]: Analyzing trace with hash -1349747349, now seen corresponding path program 4 times [2024-11-19 14:12:46,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:12:46,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917113899] [2024-11-19 14:12:46,156 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 14:12:46,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:12:46,211 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 14:12:46,211 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:12:46,211 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:12:46,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:12:46,247 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:12:46,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:12:46,248 INFO L85 PathProgramCache]: Analyzing trace with hash 48701915, now seen corresponding path program 4 times [2024-11-19 14:12:46,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:12:46,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980077696] [2024-11-19 14:12:46,248 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 14:12:46,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:12:46,250 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 14:12:46,250 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:12:46,250 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:12:46,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:12:46,252 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:12:46,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:12:46,252 INFO L85 PathProgramCache]: Analyzing trace with hash 763524785, now seen corresponding path program 5 times [2024-11-19 14:12:46,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:12:46,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990233309] [2024-11-19 14:12:46,253 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 14:12:46,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:12:46,303 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2024-11-19 14:12:46,303 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:12:46,303 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:12:46,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:12:46,319 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:12:46,447 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:12:46,447 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:12:46,447 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:12:46,447 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:12:46,448 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-19 14:12:46,448 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:46,448 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:12:46,448 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:12:46,448 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration7_Loop [2024-11-19 14:12:46,448 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:12:46,448 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:12:46,449 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:12:46,450 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:12:46,486 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:12:46,532 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2024-11-19 14:12:46,814 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:12:46,814 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-19 14:12:46,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:46,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:46,816 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) [2024-11-19 14:12:46,816 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 [2024-11-19 14:12:46,817 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:12:46,818 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:12:46,828 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-19 14:12:46,828 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: [] [2024-11-19 14:12:46,839 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 [2024-11-19 14:12:46,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:46,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:46,840 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) [2024-11-19 14:12:46,841 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 [2024-11-19 14:12:46,842 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:12:46,842 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:12:46,873 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 [2024-11-19 14:12:46,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:46,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:46,875 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) [2024-11-19 14:12:46,880 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 [2024-11-19 14:12:46,880 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-19 14:12:46,880 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:12:46,913 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-19 14:12:46,913 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] [2024-11-19 14:12:46,917 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2024-11-19 14:12:46,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:46,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:46,919 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) [2024-11-19 14:12:46,920 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 [2024-11-19 14:12:46,921 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:12:46,921 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:12:46,933 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-19 14:12:46,933 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: [] [2024-11-19 14:12:46,944 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 [2024-11-19 14:12:48,500 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:12:48,500 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:12:48,500 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:12:48,500 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:12:48,500 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-19 14:12:48,500 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:48,500 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:12:48,500 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:12:48,500 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration7_Lasso [2024-11-19 14:12:48,500 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:12:48,501 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:12:48,501 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:12:48,503 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:12:48,504 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:12:48,540 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:12:48,542 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:12:48,583 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2024-11-19 14:12:48,839 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:12:48,839 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-19 14:12:48,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:48,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:48,841 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) [2024-11-19 14:12:48,842 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 [2024-11-19 14:12:48,842 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:12:48,842 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:12:48,854 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-19 14:12:48,855 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: [] [2024-11-19 14:12:48,865 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2024-11-19 14:12:48,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:48,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:48,867 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) [2024-11-19 14:12:48,867 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 [2024-11-19 14:12:48,875 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:12:48,875 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:12:48,887 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-19 14:12:48,887 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: [] [2024-11-19 14:12:48,897 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 [2024-11-19 14:12:48,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:48,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:48,902 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) [2024-11-19 14:12:48,903 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 [2024-11-19 14:12:48,904 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:12:48,904 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:12:48,926 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2024-11-19 14:12:48,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:48,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:48,929 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) [2024-11-19 14:12:48,930 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 [2024-11-19 14:12:48,931 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-19 14:12:48,931 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:12:48,957 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-19 14:12:48,962 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2024-11-19 14:12:48,962 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:12:48,962 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:12:48,962 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:12:48,962 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:12:48,962 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-19 14:12:48,962 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:48,962 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:12:48,962 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:12:48,962 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration7_Lasso [2024-11-19 14:12:48,962 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:12:48,962 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:12:48,963 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:12:48,964 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:12:48,966 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:12:48,967 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:12:49,013 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:12:49,067 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2024-11-19 14:12:49,379 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:12:49,380 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-19 14:12:49,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:49,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:49,381 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) [2024-11-19 14:12:49,382 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 [2024-11-19 14:12:49,383 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 [2024-11-19 14:12:49,392 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:12:49,392 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:12:49,393 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:12:49,393 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:12:49,393 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:12:49,393 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-19 14:12:49,393 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:12:49,394 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:12:49,404 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2024-11-19 14:12:49,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:49,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:49,406 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) [2024-11-19 14:12:49,406 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 [2024-11-19 14:12:49,407 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 [2024-11-19 14:12:49,417 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:12:49,417 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:12:49,421 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:12:49,421 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:12:49,421 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:12:49,421 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-19 14:12:49,421 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:12:49,422 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:12:49,441 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 [2024-11-19 14:12:49,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:49,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:49,443 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) [2024-11-19 14:12:49,444 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 [2024-11-19 14:12:49,445 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 [2024-11-19 14:12:49,454 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:12:49,455 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:12:49,455 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:12:49,455 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:12:49,455 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:12:49,455 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-19 14:12:49,455 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:12:49,456 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:12:49,466 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 [2024-11-19 14:12:49,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:49,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:49,469 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) [2024-11-19 14:12:49,469 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 [2024-11-19 14:12:49,470 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 [2024-11-19 14:12:49,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:12:49,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:12:49,480 INFO L204 nArgumentSynthesizer]: 7 loop disjuncts [2024-11-19 14:12:49,480 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:12:49,544 INFO L401 nArgumentSynthesizer]: We have 126 Motzkin's Theorem applications. [2024-11-19 14:12:49,545 INFO L402 nArgumentSynthesizer]: A total of 14 supporting invariants were added. [2024-11-19 14:12:51,866 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-19 14:12:52,986 INFO L443 ModelExtractionUtils]: Simplification made 35 calls to the SMT solver. [2024-11-19 14:12:52,986 INFO L444 ModelExtractionUtils]: 23 out of 61 variables were initially zero. Simplification set additionally 23 variables to zero. [2024-11-19 14:12:52,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:52,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:52,987 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) [2024-11-19 14:12:52,989 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 [2024-11-19 14:12:52,989 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-19 14:12:53,010 INFO L438 nArgumentSynthesizer]: Removed 11 redundant supporting invariants from a total of 14. [2024-11-19 14:12:53,010 INFO L474 LassoAnalysis]: Proved termination. [2024-11-19 14:12:53,011 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_~x~0#1 >= 0, -5*ULTIMATE.start_main_~a~0#1 + 5*ULTIMATE.start_main_~b~0#1 + 6 >= 0, 1*ULTIMATE.start_main_~a~0#1 >= 0] [2024-11-19 14:12:53,033 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 [2024-11-19 14:12:53,038 INFO L156 tatePredicateManager]: 1 out of 3 supporting invariants were superfluous and have been removed [2024-11-19 14:12:53,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:12:53,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:12:53,089 INFO L255 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-19 14:12:53,091 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:12:53,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:12:53,487 WARN L253 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-19 14:12:53,488 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:12:53,494 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 [2024-11-19 14:12:53,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:12:53,601 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 [2024-11-19 14:12:53,602 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) [2024-11-19 14:12:53,630 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. [2024-11-19 14:12:53,630 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 [2024-11-19 14:12:53,631 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) [2024-11-19 14:12:53,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2024-11-19 14:12:53,631 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 4 transitions. Stem has 72 letters. Loop has 5 letters. [2024-11-19 14:12:53,631 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:12:53,631 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-19 14:12:53,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:12:53,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:12:53,675 INFO L255 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-19 14:12:53,677 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:12:54,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:12:54,066 WARN L253 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-19 14:12:54,066 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:12:54,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:12:54,178 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 [2024-11-19 14:12:54,178 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) [2024-11-19 14:12:54,213 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. [2024-11-19 14:12:54,213 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 [2024-11-19 14:12:54,214 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) [2024-11-19 14:12:54,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2024-11-19 14:12:54,214 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 4 transitions. Stem has 72 letters. Loop has 5 letters. [2024-11-19 14:12:54,214 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:12:54,214 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-19 14:12:54,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:12:54,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:12:54,259 INFO L255 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-19 14:12:54,261 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:12:54,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:12:54,644 WARN L253 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-19 14:12:54,645 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:12:54,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:12:54,749 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 [2024-11-19 14:12:54,749 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) [2024-11-19 14:12:55,263 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. [2024-11-19 14:12:55,264 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 [2024-11-19 14:12:55,264 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) [2024-11-19 14:12:55,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 101 transitions. [2024-11-19 14:12:55,266 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 25 states and 101 transitions. Stem has 72 letters. Loop has 5 letters. [2024-11-19 14:12:55,267 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:12:55,267 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 25 states and 101 transitions. Stem has 77 letters. Loop has 5 letters. [2024-11-19 14:12:55,267 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:12:55,267 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 25 states and 101 transitions. Stem has 72 letters. Loop has 10 letters. [2024-11-19 14:12:55,268 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:12:55,268 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 94 states and 100 transitions. [2024-11-19 14:12:55,268 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2024-11-19 14:12:55,269 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 94 states to 89 states and 94 transitions. [2024-11-19 14:12:55,269 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2024-11-19 14:12:55,269 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-11-19 14:12:55,269 INFO L73 IsDeterministic]: Start isDeterministic. Operand 89 states and 94 transitions. [2024-11-19 14:12:55,272 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-19 14:12:55,272 INFO L218 hiAutomatonCegarLoop]: Abstraction has 89 states and 94 transitions. [2024-11-19 14:12:55,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states and 94 transitions. [2024-11-19 14:12:55,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 84. [2024-11-19 14:12:55,276 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) [2024-11-19 14:12:55,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 89 transitions. [2024-11-19 14:12:55,278 INFO L240 hiAutomatonCegarLoop]: Abstraction has 84 states and 89 transitions. [2024-11-19 14:12:55,278 INFO L425 stractBuchiCegarLoop]: Abstraction has 84 states and 89 transitions. [2024-11-19 14:12:55,278 INFO L332 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-11-19 14:12:55,278 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 84 states and 89 transitions. [2024-11-19 14:12:55,279 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2024-11-19 14:12:55,279 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:12:55,279 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:12:55,279 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [15, 14, 14, 13, 13, 1, 1, 1] [2024-11-19 14:12:55,281 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1] [2024-11-19 14:12:55,281 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 [2024-11-19 14:12:55,281 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 [2024-11-19 14:12:55,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:12:55,281 INFO L85 PathProgramCache]: Analyzing trace with hash -1349747349, now seen corresponding path program 6 times [2024-11-19 14:12:55,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:12:55,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705383062] [2024-11-19 14:12:55,282 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-19 14:12:55,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:12:55,318 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) [2024-11-19 14:12:55,319 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:12:55,319 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:12:55,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:12:55,333 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:12:55,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:12:55,336 INFO L85 PathProgramCache]: Analyzing trace with hash -820232444, now seen corresponding path program 1 times [2024-11-19 14:12:55,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:12:55,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395182001] [2024-11-19 14:12:55,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:12:55,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:12:55,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:12:55,339 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:12:55,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:12:55,341 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:12:55,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:12:55,341 INFO L85 PathProgramCache]: Analyzing trace with hash 20034158, now seen corresponding path program 7 times [2024-11-19 14:12:55,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:12:55,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022910016] [2024-11-19 14:12:55,341 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-19 14:12:55,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:12:55,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:12:55,355 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:12:55,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:12:55,372 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:12:55,547 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:12:55,547 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:12:55,547 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:12:55,548 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:12:55,549 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-19 14:12:55,549 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:55,549 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:12:55,549 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:12:55,549 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration8_Loop [2024-11-19 14:12:55,549 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:12:55,549 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:12:55,550 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:12:55,551 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:12:55,577 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:12:55,739 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:12:55,739 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-19 14:12:55,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:55,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:55,741 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) [2024-11-19 14:12:55,746 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 [2024-11-19 14:12:55,747 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:12:55,748 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:12:55,759 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-19 14:12:55,759 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: [] [2024-11-19 14:12:55,769 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 [2024-11-19 14:12:55,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:55,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:55,771 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) [2024-11-19 14:12:55,772 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 [2024-11-19 14:12:55,772 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:12:55,772 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:12:55,793 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 [2024-11-19 14:12:55,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:55,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:55,794 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) [2024-11-19 14:12:55,795 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 [2024-11-19 14:12:55,796 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-19 14:12:55,796 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:12:55,836 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-19 14:12:55,840 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2024-11-19 14:12:55,841 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:12:55,841 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:12:55,841 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:12:55,841 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:12:55,841 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-19 14:12:55,841 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:55,841 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:12:55,841 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:12:55,841 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration8_Loop [2024-11-19 14:12:55,841 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:12:55,841 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:12:55,842 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:12:55,876 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:12:55,877 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:12:56,004 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:12:56,004 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-19 14:12:56,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:56,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:56,005 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) [2024-11-19 14:12:56,009 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 [2024-11-19 14:12:56,010 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-19 14:12:56,020 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:12:56,020 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:12:56,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:12:56,020 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2024-11-19 14:12:56,020 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:12:56,023 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-19 14:12:56,023 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:12:56,028 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-19 14:12:56,032 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-19 14:12:56,032 INFO L444 ModelExtractionUtils]: 2 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-19 14:12:56,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:56,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:56,033 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) [2024-11-19 14:12:56,034 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 [2024-11-19 14:12:56,034 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-19 14:12:56,035 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-19 14:12:56,035 INFO L474 LassoAnalysis]: Proved termination. [2024-11-19 14:12:56,035 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 [] [2024-11-19 14:12:56,044 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 [2024-11-19 14:12:56,045 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-19 14:12:56,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:12:56,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:12:56,078 INFO L255 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 14:12:56,079 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:12:56,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:12:56,133 INFO L255 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-19 14:12:56,133 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:12:56,267 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 [2024-11-19 14:12:56,374 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:12:56,374 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 [2024-11-19 14:12:56,375 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) [2024-11-19 14:12:56,422 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. [2024-11-19 14:12:56,422 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 [2024-11-19 14:12:56,423 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) [2024-11-19 14:12:56,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 18 transitions. [2024-11-19 14:12:56,423 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 18 transitions. Stem has 72 letters. Loop has 8 letters. [2024-11-19 14:12:56,423 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:12:56,423 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 18 transitions. Stem has 80 letters. Loop has 8 letters. [2024-11-19 14:12:56,424 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:12:56,424 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 18 transitions. Stem has 72 letters. Loop has 16 letters. [2024-11-19 14:12:56,424 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:12:56,424 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 168 states and 179 transitions. [2024-11-19 14:12:56,425 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-19 14:12:56,425 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 168 states to 90 states and 96 transitions. [2024-11-19 14:12:56,425 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2024-11-19 14:12:56,425 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2024-11-19 14:12:56,425 INFO L73 IsDeterministic]: Start isDeterministic. Operand 90 states and 96 transitions. [2024-11-19 14:12:56,426 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-19 14:12:56,426 INFO L218 hiAutomatonCegarLoop]: Abstraction has 90 states and 96 transitions. [2024-11-19 14:12:56,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states and 96 transitions. [2024-11-19 14:12:56,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 86. [2024-11-19 14:12:56,431 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) [2024-11-19 14:12:56,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 91 transitions. [2024-11-19 14:12:56,431 INFO L240 hiAutomatonCegarLoop]: Abstraction has 86 states and 91 transitions. [2024-11-19 14:12:56,431 INFO L425 stractBuchiCegarLoop]: Abstraction has 86 states and 91 transitions. [2024-11-19 14:12:56,431 INFO L332 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2024-11-19 14:12:56,431 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 86 states and 91 transitions. [2024-11-19 14:12:56,432 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-19 14:12:56,432 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:12:56,432 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:12:56,434 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [16, 16, 14, 14, 14, 2, 1, 1] [2024-11-19 14:12:56,434 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-19 14:12:56,434 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 [2024-11-19 14:12:56,434 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 [2024-11-19 14:12:56,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:12:56,435 INFO L85 PathProgramCache]: Analyzing trace with hash -2100535479, now seen corresponding path program 8 times [2024-11-19 14:12:56,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:12:56,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061454564] [2024-11-19 14:12:56,435 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 14:12:56,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:12:56,451 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 14:12:56,451 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:12:56,451 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:12:56,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:12:56,468 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:12:56,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:12:56,468 INFO L85 PathProgramCache]: Analyzing trace with hash 40820, now seen corresponding path program 4 times [2024-11-19 14:12:56,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:12:56,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090331509] [2024-11-19 14:12:56,468 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 14:12:56,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:12:56,470 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 14:12:56,470 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:12:56,470 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:12:56,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:12:56,474 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:12:56,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:12:56,475 INFO L85 PathProgramCache]: Analyzing trace with hash 621058860, now seen corresponding path program 9 times [2024-11-19 14:12:56,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:12:56,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251739459] [2024-11-19 14:12:56,475 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 14:12:56,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:12:56,484 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-19 14:12:56,484 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 14:12:56,542 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2024-11-19 14:12:56,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:12:56,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251739459] [2024-11-19 14:12:56,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251739459] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 14:12:56,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 14:12:56,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 14:12:56,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619849676] [2024-11-19 14:12:56,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 14:12:56,571 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:12:56,571 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:12:56,571 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:12:56,571 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:12:56,571 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-19 14:12:56,571 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:56,571 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:12:56,571 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:12:56,571 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration9_Loop [2024-11-19 14:12:56,571 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:12:56,571 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:12:56,571 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:12:56,573 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:12:56,574 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:12:56,632 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:12:56,632 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-19 14:12:56,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:56,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:56,635 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) [2024-11-19 14:12:56,636 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 [2024-11-19 14:12:56,637 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:12:56,637 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:12:56,650 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-19 14:12:56,651 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: [] [2024-11-19 14:12:56,662 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 [2024-11-19 14:12:56,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:56,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:56,666 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) [2024-11-19 14:12:56,667 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 [2024-11-19 14:12:56,667 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:12:56,667 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:12:56,682 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-19 14:12:56,682 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: [] [2024-11-19 14:12:56,692 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 [2024-11-19 14:12:56,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:56,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:56,697 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) [2024-11-19 14:12:56,708 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 [2024-11-19 14:12:56,709 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:12:56,709 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:12:56,734 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 [2024-11-19 14:12:56,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:56,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:56,736 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) [2024-11-19 14:12:56,740 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 [2024-11-19 14:12:56,742 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-19 14:12:56,742 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:12:56,899 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-19 14:12:56,904 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 [2024-11-19 14:12:56,904 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:12:56,905 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:12:56,905 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:12:56,905 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:12:56,905 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-19 14:12:56,905 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:56,905 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:12:56,905 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:12:56,905 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration9_Loop [2024-11-19 14:12:56,905 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:12:56,905 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:12:56,905 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:12:56,907 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:12:56,916 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:12:56,962 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:12:56,962 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-19 14:12:56,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:56,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:56,964 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) [2024-11-19 14:12:56,964 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 [2024-11-19 14:12:56,965 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 [2024-11-19 14:12:56,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:12:56,975 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:12:56,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:12:56,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:12:56,975 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:12:56,975 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-19 14:12:56,975 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:12:56,976 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:12:56,986 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 [2024-11-19 14:12:56,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:56,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:56,987 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) [2024-11-19 14:12:56,988 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 [2024-11-19 14:12:56,988 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-19 14:12:56,998 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:12:56,998 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:12:56,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:12:56,998 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-19 14:12:56,998 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:12:57,000 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-19 14:12:57,000 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:12:57,003 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:12:57,013 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2024-11-19 14:12:57,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:57,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:57,014 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) [2024-11-19 14:12:57,014 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 [2024-11-19 14:12:57,016 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 [2024-11-19 14:12:57,025 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:12:57,025 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:12:57,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:12:57,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:12:57,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:12:57,026 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-19 14:12:57,026 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:12:57,027 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:12:57,036 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 [2024-11-19 14:12:57,037 INFO L451 LassoAnalysis]: Using template '2-nested'. [2024-11-19 14:12:57,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:57,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:57,038 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) [2024-11-19 14:12:57,038 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 [2024-11-19 14:12:57,040 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 [2024-11-19 14:12:57,049 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:12:57,050 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:12:57,050 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:12:57,050 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:12:57,050 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-19 14:12:57,050 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-19 14:12:57,050 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:12:57,051 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:12:57,061 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2024-11-19 14:12:57,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:57,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:57,062 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) [2024-11-19 14:12:57,063 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 [2024-11-19 14:12:57,066 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 [2024-11-19 14:12:57,075 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:12:57,076 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:12:57,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:12:57,076 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-19 14:12:57,076 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-19 14:12:57,078 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-19 14:12:57,078 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:12:57,082 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-19 14:12:57,086 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-11-19 14:12:57,086 INFO L444 ModelExtractionUtils]: 5 out of 9 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-19 14:12:57,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:57,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:57,087 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) [2024-11-19 14:12:57,088 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 [2024-11-19 14:12:57,088 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-19 14:12:57,088 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-19 14:12:57,088 INFO L474 LassoAnalysis]: Proved termination. [2024-11-19 14:12:57,088 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 [] [2024-11-19 14:12:57,098 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 [2024-11-19 14:12:57,099 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-19 14:12:57,100 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-11-19 14:12:57,100 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-11-19 14:12:57,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:12:57,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:12:57,140 INFO L255 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 14:12:57,140 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:12:57,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:12:57,202 WARN L253 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-19 14:12:57,203 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:12:57,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:12:57,270 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 [2024-11-19 14:12:57,270 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) [2024-11-19 14:12:57,326 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 7 states. [2024-11-19 14:12:57,327 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 [2024-11-19 14:12:57,327 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) [2024-11-19 14:12:57,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2024-11-19 14:12:57,327 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 78 letters. Loop has 3 letters. [2024-11-19 14:12:57,327 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:12:57,327 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-19 14:12:57,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:12:57,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:12:57,365 INFO L255 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 14:12:57,366 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:12:57,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:12:57,430 WARN L253 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-19 14:12:57,430 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:12:57,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:12:57,495 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 [2024-11-19 14:12:57,495 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) [2024-11-19 14:12:57,548 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 7 states. [2024-11-19 14:12:57,549 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 [2024-11-19 14:12:57,550 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) [2024-11-19 14:12:57,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2024-11-19 14:12:57,550 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 78 letters. Loop has 3 letters. [2024-11-19 14:12:57,550 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:12:57,550 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-19 14:12:57,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:12:57,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:12:57,590 INFO L255 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 14:12:57,590 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:12:57,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:12:57,659 WARN L253 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 14:12:57,659 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:12:57,716 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 [2024-11-19 14:12:57,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:12:57,759 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 [2024-11-19 14:12:57,759 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) [2024-11-19 14:12:57,781 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. [2024-11-19 14:12:57,782 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 [2024-11-19 14:12:57,783 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) [2024-11-19 14:12:57,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2024-11-19 14:12:57,783 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 78 letters. Loop has 3 letters. [2024-11-19 14:12:57,783 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:12:57,783 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 81 letters. Loop has 3 letters. [2024-11-19 14:12:57,784 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:12:57,784 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 78 letters. Loop has 6 letters. [2024-11-19 14:12:57,784 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:12:57,784 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 148 states and 158 transitions. [2024-11-19 14:12:57,785 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-19 14:12:57,785 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 148 states to 0 states and 0 transitions. [2024-11-19 14:12:57,785 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-19 14:12:57,785 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-19 14:12:57,785 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-19 14:12:57,785 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-19 14:12:57,785 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 14:12:57,785 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 14:12:57,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:12:57,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 14:12:57,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-19 14:12:57,785 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 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) [2024-11-19 14:12:57,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 14:12:57,785 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2024-11-19 14:12:57,785 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2024-11-19 14:12:57,786 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-19 14:12:57,786 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2024-11-19 14:12:57,786 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-19 14:12:57,786 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-19 14:12:57,786 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-19 14:12:57,786 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-19 14:12:57,786 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 14:12:57,786 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 14:12:57,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 14:12:57,786 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 14:12:57,787 INFO L332 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2024-11-19 14:12:57,787 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-19 14:12:57,787 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-19 14:12:57,787 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-19 14:12:57,793 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 02:12:57 BoogieIcfgContainer [2024-11-19 14:12:57,793 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-19 14:12:57,794 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 14:12:57,794 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 14:12:57,794 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 14:12:57,794 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:12:32" (3/4) ... [2024-11-19 14:12:57,796 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-19 14:12:57,797 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 14:12:57,797 INFO L158 Benchmark]: Toolchain (without parser) took 26205.46ms. Allocated memory was 140.5MB in the beginning and 331.4MB in the end (delta: 190.8MB). Free memory was 68.8MB in the beginning and 282.4MB in the end (delta: -213.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 14:12:57,797 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 140.5MB. Free memory is still 91.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 14:12:57,797 INFO L158 Benchmark]: CACSL2BoogieTranslator took 300.34ms. Allocated memory was 140.5MB in the beginning and 228.6MB in the end (delta: 88.1MB). Free memory was 68.6MB in the beginning and 197.3MB in the end (delta: -128.7MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2024-11-19 14:12:57,798 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.32ms. Allocated memory is still 228.6MB. Free memory was 197.3MB in the beginning and 196.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 14:12:57,798 INFO L158 Benchmark]: Boogie Preprocessor took 24.46ms. Allocated memory is still 228.6MB. Free memory was 196.3MB in the beginning and 194.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 14:12:57,798 INFO L158 Benchmark]: RCFGBuilder took 201.68ms. Allocated memory is still 228.6MB. Free memory was 194.2MB in the beginning and 183.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-19 14:12:57,798 INFO L158 Benchmark]: BuchiAutomizer took 25645.22ms. Allocated memory was 228.6MB in the beginning and 331.4MB in the end (delta: 102.8MB). Free memory was 183.7MB in the beginning and 282.4MB in the end (delta: -98.7MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. [2024-11-19 14:12:57,798 INFO L158 Benchmark]: Witness Printer took 2.88ms. Allocated memory is still 331.4MB. Free memory is still 282.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 14:12:57,799 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 140.5MB. Free memory is still 91.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 300.34ms. Allocated memory was 140.5MB in the beginning and 228.6MB in the end (delta: 88.1MB). Free memory was 68.6MB in the beginning and 197.3MB in the end (delta: -128.7MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.32ms. Allocated memory is still 228.6MB. Free memory was 197.3MB in the beginning and 196.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.46ms. Allocated memory is still 228.6MB. Free memory was 196.3MB in the beginning and 194.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 201.68ms. Allocated memory is still 228.6MB. Free memory was 194.2MB in the beginning and 183.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 25645.22ms. Allocated memory was 228.6MB in the beginning and 331.4MB in the end (delta: 102.8MB). Free memory was 183.7MB in the beginning and 282.4MB in the end (delta: -98.7MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. * Witness Printer took 2.88ms. Allocated memory is still 331.4MB. Free memory is still 282.4MB. 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 25.6s and 10 iterations. TraceHistogramMax:16. Analysis of lassos took 20.0s. Construction of modules took 0.8s. Büchi inclusion checks took 4.5s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 9. Automata minimization 0.1s 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, 290 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 283 mSDsluCounter, 161 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 76 mSDsCounter, 201 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1481 IncrementalHoareTripleChecker+Invalid, 1682 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 201 mSolverCounterUnsat, 85 mSDtfsCounter, 1481 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: 1746ms VariablesStem: 3 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 7 SupportingInvariants: 14 MotzkinApplications: 126 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 17 LassoNonterminationAnalysisSatUnbounded: 4 LassoNonterminationAnalysisUnsat: 7 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.8s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-19 14:12:57,819 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Forceful destruction successful, exit code 0 [2024-11-19 14:12:58,022 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Ended with exit code 0 [2024-11-19 14:12:58,226 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-11-19 14:12:58,431 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE