./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 c7c6ca5d 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-?-c7c6ca5-m [2024-11-09 15:17:53,626 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 15:17:53,696 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-09 15:17:53,702 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 15:17:53,703 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 15:17:53,740 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 15:17:53,741 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 15:17:53,742 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 15:17:53,743 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 15:17:53,744 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 15:17:53,745 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 15:17:53,746 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 15:17:53,746 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 15:17:53,746 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-09 15:17:53,750 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-09 15:17:53,750 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-09 15:17:53,751 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-09 15:17:53,751 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-09 15:17:53,751 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-09 15:17:53,752 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 15:17:53,752 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-09 15:17:53,752 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 15:17:53,753 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 15:17:53,753 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-09 15:17:53,753 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-09 15:17:53,753 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-09 15:17:53,754 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 15:17:53,754 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 15:17:53,754 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 15:17:53,754 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-09 15:17:53,755 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 15:17:53,755 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 15:17:53,755 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 15:17:53,755 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 15:17:53,756 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 15:17:53,759 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-09 15:17:53,760 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f247e4473503f47ee3194e296d6b905e51586799395e11124f119da43a61cc2 [2024-11-09 15:17:54,044 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 15:17:54,070 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 15:17:54,073 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 15:17:54,075 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 15:17:54,075 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 15:17:54,077 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-bwb/or-01.c [2024-11-09 15:17:55,458 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 15:17:55,669 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 15:17:55,671 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-bwb/or-01.c [2024-11-09 15:17:55,683 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab3f881a2/4c6c2db0c2e040009f0649ac426fe7e8/FLAG8cb516986 [2024-11-09 15:17:55,702 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab3f881a2/4c6c2db0c2e040009f0649ac426fe7e8 [2024-11-09 15:17:55,705 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 15:17:55,706 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 15:17:55,707 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 15:17:55,707 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 15:17:55,713 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 15:17:55,714 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:17:55" (1/1) ... [2024-11-09 15:17:55,715 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22adfefc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:17:55, skipping insertion in model container [2024-11-09 15:17:55,715 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:17:55" (1/1) ... [2024-11-09 15:17:55,731 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 15:17:55,900 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 15:17:55,905 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 15:17:55,915 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 15:17:55,928 INFO L204 MainTranslator]: Completed translation [2024-11-09 15:17:55,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:17:55 WrapperNode [2024-11-09 15:17:55,928 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 15:17:55,929 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 15:17:55,929 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 15:17:55,929 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 15:17:55,936 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:17:55" (1/1) ... [2024-11-09 15:17:55,940 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:17:55" (1/1) ... [2024-11-09 15:17:55,961 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2024-11-09 15:17:55,961 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 15:17:55,962 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 15:17:55,962 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 15:17:55,962 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 15:17:55,972 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:17:55" (1/1) ... [2024-11-09 15:17:55,973 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:17:55" (1/1) ... [2024-11-09 15:17:55,974 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:17:55" (1/1) ... [2024-11-09 15:17:55,981 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-09 15:17:55,985 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:17:55" (1/1) ... [2024-11-09 15:17:55,985 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:17:55" (1/1) ... [2024-11-09 15:17:55,987 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:17:55" (1/1) ... [2024-11-09 15:17:55,992 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:17:55" (1/1) ... [2024-11-09 15:17:55,993 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:17:55" (1/1) ... [2024-11-09 15:17:55,993 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:17:55" (1/1) ... [2024-11-09 15:17:55,994 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 15:17:55,995 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 15:17:55,996 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 15:17:55,996 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 15:17:55,997 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:17:55" (1/1) ... [2024-11-09 15:17:56,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:56,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:17:56,035 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) [2024-11-09 15:17:56,039 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 [2024-11-09 15:17:56,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 15:17:56,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 15:17:56,216 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 15:17:56,218 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 15:17:56,324 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-09 15:17:56,324 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 15:17:56,333 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 15:17:56,333 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 15:17:56,334 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:17:56 BoogieIcfgContainer [2024-11-09 15:17:56,334 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 15:17:56,335 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-09 15:17:56,335 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-09 15:17:56,339 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-09 15:17:56,340 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-09 15:17:56,340 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.11 03:17:55" (1/3) ... [2024-11-09 15:17:56,341 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@cb2b1e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 03:17:56, skipping insertion in model container [2024-11-09 15:17:56,341 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-09 15:17:56,341 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:17:55" (2/3) ... [2024-11-09 15:17:56,341 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@cb2b1e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 03:17:56, skipping insertion in model container [2024-11-09 15:17:56,342 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-09 15:17:56,342 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:17:56" (3/3) ... [2024-11-09 15:17:56,343 INFO L332 chiAutomizerObserver]: Analyzing ICFG or-01.c [2024-11-09 15:17:56,396 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-09 15:17:56,396 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-09 15:17:56,396 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-09 15:17:56,396 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-09 15:17:56,396 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-09 15:17:56,396 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-09 15:17:56,396 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-09 15:17:56,396 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-09 15:17:56,400 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) [2024-11-09 15:17:56,412 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-09 15:17:56,413 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:17:56,413 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:17:56,417 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-09 15:17:56,417 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-09 15:17:56,417 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-09 15:17:56,417 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) [2024-11-09 15:17:56,418 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-09 15:17:56,418 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:17:56,418 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:17:56,419 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-09 15:17:56,419 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-09 15:17:56,425 INFO L745 eck$LassoCheckResult]: Stem: 8#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~post1#1, main_#t~bitwise2#1, main_~a~0#1, main_~b~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;main_~a~0#1 := 16;main_~b~0#1 := 30;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 6#L20-2true [2024-11-09 15:17:56,426 INFO L747 eck$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 [2024-11-09 15:17:56,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:17:56,431 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-09 15:17:56,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:17:56,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664003412] [2024-11-09 15:17:56,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:17:56,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:17:56,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:17:56,508 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:17:56,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:17:56,532 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:17:56,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:17:56,536 INFO L85 PathProgramCache]: Analyzing trace with hash 40820, now seen corresponding path program 1 times [2024-11-09 15:17:56,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:17:56,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426175877] [2024-11-09 15:17:56,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:17:56,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:17:56,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:17:56,559 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:17:56,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:17:56,572 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:17:56,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:17:56,575 INFO L85 PathProgramCache]: Analyzing trace with hash 28699762, now seen corresponding path program 1 times [2024-11-09 15:17:56,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:17:56,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024797764] [2024-11-09 15:17:56,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:17:56,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:17:56,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:17:56,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:17:56,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:17:56,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024797764] [2024-11-09 15:17:56,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024797764] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:17:56,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:17:56,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 15:17:56,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436898024] [2024-11-09 15:17:56,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:17:56,839 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:17:56,840 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:17:56,841 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:17:56,841 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:17:56,841 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-09 15:17:56,841 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:56,841 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:17:56,841 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:17:56,842 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration1_Loop [2024-11-09 15:17:56,842 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:17:56,842 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:17:56,860 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:17:56,874 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:17:56,897 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:17:57,013 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:17:57,013 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-09 15:17:57,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:57,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:17:57,018 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) [2024-11-09 15:17:57,021 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 [2024-11-09 15:17:57,022 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-09 15:17:57,023 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:17:57,054 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-09 15:17:57,054 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: [] [2024-11-09 15:17:57,066 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-11-09 15:17:57,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:57,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:17:57,069 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) [2024-11-09 15:17:57,071 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 [2024-11-09 15:17:57,072 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-09 15:17:57,072 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:17:57,100 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 [2024-11-09 15:17:57,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:57,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:17:57,101 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) [2024-11-09 15:17:57,103 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 [2024-11-09 15:17:57,103 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-09 15:17:57,103 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:17:57,305 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-09 15:17:57,311 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-09 15:17:57,312 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:17:57,312 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:17:57,312 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:17:57,312 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:17:57,312 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-09 15:17:57,312 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:57,312 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:17:57,312 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:17:57,312 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration1_Loop [2024-11-09 15:17:57,313 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:17:57,313 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:17:57,314 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:17:57,318 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:17:57,335 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:17:57,425 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:17:57,430 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-09 15:17:57,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:57,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:17:57,435 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) [2024-11-09 15:17:57,437 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 [2024-11-09 15:17:57,439 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 [2024-11-09 15:17:57,452 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:17:57,453 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:17:57,453 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:17:57,453 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:17:57,453 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:17:57,455 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:17:57,455 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:17:57,461 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:17:57,477 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-09 15:17:57,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:57,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:17:57,479 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) [2024-11-09 15:17:57,481 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 [2024-11-09 15:17:57,482 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 [2024-11-09 15:17:57,496 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:17:57,496 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:17:57,496 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:17:57,496 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-09 15:17:57,496 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:17:57,502 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-09 15:17:57,503 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:17:57,508 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:17:57,525 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-11-09 15:17:57,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:57,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:17:57,526 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) [2024-11-09 15:17:57,528 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 [2024-11-09 15:17:57,529 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 [2024-11-09 15:17:57,541 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:17:57,541 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:17:57,541 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:17:57,541 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:17:57,541 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:17:57,542 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:17:57,542 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:17:57,545 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:17:57,562 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 [2024-11-09 15:17:57,562 INFO L451 LassoAnalysis]: Using template '2-nested'. [2024-11-09 15:17:57,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:57,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:17:57,565 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) [2024-11-09 15:17:57,569 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 [2024-11-09 15:17:57,570 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 [2024-11-09 15:17:57,583 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:17:57,584 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:17:57,584 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:17:57,584 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:17:57,584 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-09 15:17:57,585 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-09 15:17:57,585 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:17:57,588 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:17:57,603 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 [2024-11-09 15:17:57,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:57,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:17:57,606 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) [2024-11-09 15:17:57,608 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 [2024-11-09 15:17:57,609 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 [2024-11-09 15:17:57,622 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:17:57,623 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:17:57,623 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:17:57,623 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-09 15:17:57,623 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-09 15:17:57,630 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:17:57,630 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:17:57,639 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-09 15:17:57,658 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-11-09 15:17:57,658 INFO L444 ModelExtractionUtils]: 4 out of 9 variables were initially zero. Simplification set additionally 2 variables to zero. [2024-11-09 15:17:57,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:57,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:17:57,681 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) [2024-11-09 15:17:57,683 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 [2024-11-09 15:17:57,684 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-09 15:17:57,685 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-09 15:17:57,685 INFO L474 LassoAnalysis]: Proved termination. [2024-11-09 15:17:57,686 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 [] [2024-11-09 15:17:57,701 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-11-09 15:17:57,705 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-09 15:17:57,718 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-11-09 15:17:57,719 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-11-09 15:17:57,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:17:57,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:17:57,750 INFO L255 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 15:17:57,752 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:17:57,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:17:57,770 WARN L253 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 15:17:57,771 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:17:57,896 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-11-09 15:17:58,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:17:58,048 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 [2024-11-09 15:17:58,052 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) [2024-11-09 15:17:58,199 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. [2024-11-09 15:17:58,202 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 [2024-11-09 15:17:58,207 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) [2024-11-09 15:17:58,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 13 transitions. [2024-11-09 15:17:58,210 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 2 letters. Loop has 3 letters. [2024-11-09 15:17:58,211 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:17:58,211 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 5 letters. Loop has 3 letters. [2024-11-09 15:17:58,211 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:17:58,211 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 2 letters. Loop has 6 letters. [2024-11-09 15:17:58,212 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:17:58,212 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 41 transitions. [2024-11-09 15:17:58,214 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-09 15:17:58,219 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 18 states and 23 transitions. [2024-11-09 15:17:58,221 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-09 15:17:58,221 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2024-11-09 15:17:58,222 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 23 transitions. [2024-11-09 15:17:58,222 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-09 15:17:58,222 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 23 transitions. [2024-11-09 15:17:58,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 23 transitions. [2024-11-09 15:17:58,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 14. [2024-11-09 15:17:58,243 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) [2024-11-09 15:17:58,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 19 transitions. [2024-11-09 15:17:58,244 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 19 transitions. [2024-11-09 15:17:58,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:17:58,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 15:17:58,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 15:17:58,248 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) [2024-11-09 15:17:58,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 15:17:58,281 INFO L93 Difference]: Finished difference Result 13 states and 16 transitions. [2024-11-09 15:17:58,281 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 16 transitions. [2024-11-09 15:17:58,282 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-09 15:17:58,283 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 13 states and 16 transitions. [2024-11-09 15:17:58,283 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2024-11-09 15:17:58,283 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-11-09 15:17:58,284 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 16 transitions. [2024-11-09 15:17:58,284 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-09 15:17:58,284 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 16 transitions. [2024-11-09 15:17:58,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 16 transitions. [2024-11-09 15:17:58,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2024-11-09 15:17:58,288 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) [2024-11-09 15:17:58,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2024-11-09 15:17:58,288 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12 states and 15 transitions. [2024-11-09 15:17:58,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 15:17:58,289 INFO L425 stractBuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2024-11-09 15:17:58,289 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-09 15:17:58,290 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 15 transitions. [2024-11-09 15:17:58,290 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-09 15:17:58,290 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:17:58,290 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:17:58,291 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-09 15:17:58,291 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-09 15:17:58,291 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 [2024-11-09 15:17:58,291 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 [2024-11-09 15:17:58,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:17:58,292 INFO L85 PathProgramCache]: Analyzing trace with hash 28699819, now seen corresponding path program 1 times [2024-11-09 15:17:58,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:17:58,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516187165] [2024-11-09 15:17:58,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:17:58,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:17:58,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:17:58,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:17:58,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:17:58,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516187165] [2024-11-09 15:17:58,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516187165] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:17:58,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:17:58,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 15:17:58,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988392136] [2024-11-09 15:17:58,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:17:58,343 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-09 15:17:58,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:17:58,343 INFO L85 PathProgramCache]: Analyzing trace with hash 53210, now seen corresponding path program 2 times [2024-11-09 15:17:58,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:17:58,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960761100] [2024-11-09 15:17:58,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:17:58,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:17:58,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:17:58,357 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:17:58,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:17:58,364 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:17:58,416 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:17:58,416 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:17:58,416 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:17:58,416 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:17:58,416 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-09 15:17:58,417 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:58,417 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:17:58,417 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:17:58,417 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration2_Loop [2024-11-09 15:17:58,417 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:17:58,417 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:17:58,419 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:17:58,435 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:17:58,439 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:17:58,520 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:17:58,521 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-09 15:17:58,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:58,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:17:58,523 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) [2024-11-09 15:17:58,524 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 [2024-11-09 15:17:58,526 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-09 15:17:58,526 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:17:58,556 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 [2024-11-09 15:17:58,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:58,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:17:58,558 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) [2024-11-09 15:17:58,561 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-09 15:17:58,561 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:17:58,562 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 [2024-11-09 15:17:58,866 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-09 15:17:58,872 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 [2024-11-09 15:17:58,872 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:17:58,872 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:17:58,872 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:17:58,872 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:17:58,872 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-09 15:17:58,872 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:58,872 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:17:58,873 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:17:58,873 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration2_Loop [2024-11-09 15:17:58,873 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:17:58,873 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:17:58,874 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:17:58,876 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:17:58,878 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:17:58,966 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:17:58,966 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-09 15:17:58,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:58,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:17:58,969 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) [2024-11-09 15:17:58,970 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 [2024-11-09 15:17:58,972 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 [2024-11-09 15:17:58,984 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:17:58,984 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:17:58,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:17:58,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:17:58,985 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:17:58,985 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:17:58,985 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:17:58,987 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:17:59,001 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 [2024-11-09 15:17:59,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:59,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:17:59,004 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) [2024-11-09 15:17:59,007 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 [2024-11-09 15:17:59,007 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 [2024-11-09 15:17:59,020 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:17:59,020 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:17:59,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:17:59,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:17:59,020 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:17:59,022 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:17:59,022 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:17:59,025 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:17:59,039 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 [2024-11-09 15:17:59,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:59,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:17:59,041 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) [2024-11-09 15:17:59,042 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 [2024-11-09 15:17:59,043 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 [2024-11-09 15:17:59,053 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:17:59,053 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:17:59,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:17:59,053 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-09 15:17:59,053 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:17:59,058 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-09 15:17:59,058 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:17:59,068 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:17:59,083 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-11-09 15:17:59,084 INFO L451 LassoAnalysis]: Using template '2-nested'. [2024-11-09 15:17:59,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:59,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:17:59,085 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:17:59,087 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 [2024-11-09 15:17:59,088 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 [2024-11-09 15:17:59,101 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:17:59,101 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:17:59,101 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:17:59,102 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:17:59,102 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-09 15:17:59,102 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-09 15:17:59,102 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:17:59,104 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:17:59,119 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 [2024-11-09 15:17:59,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:59,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:17:59,122 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) [2024-11-09 15:17:59,123 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 [2024-11-09 15:17:59,124 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-09 15:17:59,137 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:17:59,137 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:17:59,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:17:59,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:17:59,139 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-09 15:17:59,143 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-09 15:17:59,143 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:17:59,146 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:17:59,161 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 [2024-11-09 15:17:59,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:59,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:17:59,164 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) [2024-11-09 15:17:59,166 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 [2024-11-09 15:17:59,167 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 [2024-11-09 15:17:59,180 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:17:59,180 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:17:59,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:17:59,181 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-09 15:17:59,181 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-09 15:17:59,185 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:17:59,185 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:17:59,192 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-09 15:17:59,203 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2024-11-09 15:17:59,203 INFO L444 ModelExtractionUtils]: 3 out of 9 variables were initially zero. Simplification set additionally 2 variables to zero. [2024-11-09 15:17:59,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:59,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:17:59,205 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) [2024-11-09 15:17:59,207 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 [2024-11-09 15:17:59,208 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-09 15:17:59,208 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-09 15:17:59,208 INFO L474 LassoAnalysis]: Proved termination. [2024-11-09 15:17:59,209 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 [] [2024-11-09 15:17:59,224 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 [2024-11-09 15:17:59,226 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-09 15:17:59,227 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-11-09 15:17:59,228 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-11-09 15:17:59,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:17:59,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:17:59,249 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 15:17:59,250 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:17:59,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:17:59,262 WARN L253 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 15:17:59,263 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:17:59,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:17:59,441 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 [2024-11-09 15:17:59,441 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) [2024-11-09 15:17:59,486 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. [2024-11-09 15:17:59,488 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 [2024-11-09 15:17:59,489 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) [2024-11-09 15:17:59,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2024-11-09 15:17:59,489 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 5 letters. Loop has 3 letters. [2024-11-09 15:17:59,490 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:17:59,490 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 8 letters. Loop has 3 letters. [2024-11-09 15:17:59,490 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:17:59,490 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 5 letters. Loop has 6 letters. [2024-11-09 15:17:59,490 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:17:59,490 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 37 transitions. [2024-11-09 15:17:59,491 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2024-11-09 15:17:59,492 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 27 states and 35 transitions. [2024-11-09 15:17:59,492 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2024-11-09 15:17:59,492 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2024-11-09 15:17:59,492 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 35 transitions. [2024-11-09 15:17:59,493 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-09 15:17:59,493 INFO L218 hiAutomatonCegarLoop]: Abstraction has 27 states and 35 transitions. [2024-11-09 15:17:59,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 35 transitions. [2024-11-09 15:17:59,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 25. [2024-11-09 15:17:59,494 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) [2024-11-09 15:17:59,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 33 transitions. [2024-11-09 15:17:59,502 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 33 transitions. [2024-11-09 15:17:59,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:17:59,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 15:17:59,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 15:17:59,502 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) [2024-11-09 15:17:59,516 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2024-11-09 15:17:59,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 15:17:59,519 INFO L93 Difference]: Finished difference Result 12 states and 13 transitions. [2024-11-09 15:17:59,519 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 13 transitions. [2024-11-09 15:17:59,519 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-09 15:17:59,519 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 10 states and 11 transitions. [2024-11-09 15:17:59,520 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-11-09 15:17:59,520 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-11-09 15:17:59,520 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 11 transitions. [2024-11-09 15:17:59,520 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-09 15:17:59,520 INFO L218 hiAutomatonCegarLoop]: Abstraction has 10 states and 11 transitions. [2024-11-09 15:17:59,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 11 transitions. [2024-11-09 15:17:59,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2024-11-09 15:17:59,521 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) [2024-11-09 15:17:59,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2024-11-09 15:17:59,521 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 10 transitions. [2024-11-09 15:17:59,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 15:17:59,522 INFO L425 stractBuchiCegarLoop]: Abstraction has 9 states and 10 transitions. [2024-11-09 15:17:59,522 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-09 15:17:59,522 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 10 transitions. [2024-11-09 15:17:59,523 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-09 15:17:59,523 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:17:59,523 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:17:59,523 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-09 15:17:59,523 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-09 15:17:59,523 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 [2024-11-09 15:17:59,524 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 [2024-11-09 15:17:59,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:17:59,524 INFO L85 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 1 times [2024-11-09 15:17:59,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:17:59,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328932910] [2024-11-09 15:17:59,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:17:59,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:17:59,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:17:59,529 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:17:59,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:17:59,533 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:17:59,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:17:59,534 INFO L85 PathProgramCache]: Analyzing trace with hash 48701915, now seen corresponding path program 1 times [2024-11-09 15:17:59,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:17:59,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628195440] [2024-11-09 15:17:59,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:17:59,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:17:59,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:17:59,542 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:17:59,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:17:59,548 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:17:59,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:17:59,549 INFO L85 PathProgramCache]: Analyzing trace with hash 644884948, now seen corresponding path program 1 times [2024-11-09 15:17:59,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:17:59,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15178331] [2024-11-09 15:17:59,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:17:59,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:17:59,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:17:59,563 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:17:59,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:17:59,575 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:17:59,771 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:17:59,772 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:17:59,772 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:17:59,772 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:17:59,772 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-09 15:17:59,772 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:59,772 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:17:59,772 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:17:59,772 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration3_Loop [2024-11-09 15:17:59,772 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:17:59,772 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:17:59,773 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:17:59,817 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:17:59,818 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:17:59,874 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2024-11-09 15:18:00,257 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:18:00,257 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-09 15:18:00,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:00,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:00,259 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) [2024-11-09 15:18:00,267 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-09 15:18:00,267 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:18:00,271 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 [2024-11-09 15:18:00,311 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2024-11-09 15:18:00,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:00,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:00,312 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) [2024-11-09 15:18:00,314 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 [2024-11-09 15:18:00,315 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-09 15:18:00,315 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:18:00,360 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-09 15:18:00,361 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] [2024-11-09 15:18:00,366 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 [2024-11-09 15:18:00,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:00,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:00,369 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) [2024-11-09 15:18:00,370 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 [2024-11-09 15:18:00,371 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-09 15:18:00,371 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:18:00,389 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-09 15:18:00,389 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: [] [2024-11-09 15:18:00,404 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-11-09 15:18:00,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:00,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:00,406 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) [2024-11-09 15:18:00,408 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 [2024-11-09 15:18:00,409 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-09 15:18:00,409 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:18:00,424 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-09 15:18:00,424 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: [] [2024-11-09 15:18:00,438 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-11-09 15:18:00,471 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:18:00,471 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:18:00,472 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:18:00,472 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:18:00,472 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-09 15:18:00,472 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:00,472 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:18:00,472 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:18:00,472 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration3_Lasso [2024-11-09 15:18:00,472 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:18:00,472 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:18:00,473 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:00,477 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:00,480 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:00,538 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:00,540 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:00,624 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2024-11-09 15:18:01,032 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:18:01,032 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-09 15:18:01,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:01,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:01,036 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) [2024-11-09 15:18:01,037 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 [2024-11-09 15:18:01,038 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-09 15:18:01,038 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:18:01,055 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-09 15:18:01,055 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: [] [2024-11-09 15:18:01,071 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2024-11-09 15:18:01,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:01,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:01,073 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) [2024-11-09 15:18:01,075 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 [2024-11-09 15:18:01,076 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-09 15:18:01,076 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:18:01,093 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-09 15:18:01,093 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: [] [2024-11-09 15:18:01,109 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2024-11-09 15:18:01,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:01,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:01,111 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) [2024-11-09 15:18:01,113 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 [2024-11-09 15:18:01,114 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-09 15:18:01,114 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:18:01,144 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 [2024-11-09 15:18:01,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:01,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:01,146 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) [2024-11-09 15:18:01,148 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-09 15:18:01,149 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:18:01,149 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 [2024-11-09 15:18:01,187 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-09 15:18:01,192 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2024-11-09 15:18:01,193 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:18:01,193 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:18:01,193 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:18:01,193 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:18:01,193 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-09 15:18:01,193 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:01,193 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:18:01,193 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:18:01,193 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration3_Lasso [2024-11-09 15:18:01,193 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:18:01,193 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:18:01,198 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:01,202 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:01,204 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:01,259 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:01,262 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:01,334 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2024-11-09 15:18:01,730 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:18:01,730 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-09 15:18:01,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:01,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:01,732 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) [2024-11-09 15:18:01,733 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 [2024-11-09 15:18:01,735 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 [2024-11-09 15:18:01,746 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:18:01,746 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:18:01,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:18:01,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:18:01,746 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:18:01,747 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:18:01,747 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:18:01,748 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:18:01,758 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 [2024-11-09 15:18:01,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:01,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:01,760 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) [2024-11-09 15:18:01,761 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 [2024-11-09 15:18:01,761 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 [2024-11-09 15:18:01,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:18:01,771 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:18:01,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:18:01,771 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:18:01,772 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:18:01,772 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:18:01,772 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:18:01,773 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:18:01,784 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 [2024-11-09 15:18:01,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:01,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:01,785 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) [2024-11-09 15:18:01,787 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 [2024-11-09 15:18:01,787 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 [2024-11-09 15:18:01,798 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:18:01,798 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:18:01,798 INFO L204 nArgumentSynthesizer]: 7 loop disjuncts [2024-11-09 15:18:01,798 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:18:01,882 INFO L401 nArgumentSynthesizer]: We have 126 Motzkin's Theorem applications. [2024-11-09 15:18:01,883 INFO L402 nArgumentSynthesizer]: A total of 14 supporting invariants were added. [2024-11-09 15:18:03,142 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-09 15:18:03,773 INFO L443 ModelExtractionUtils]: Simplification made 25 calls to the SMT solver. [2024-11-09 15:18:03,773 INFO L444 ModelExtractionUtils]: 30 out of 61 variables were initially zero. Simplification set additionally 25 variables to zero. [2024-11-09 15:18:03,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:03,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:03,775 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) [2024-11-09 15:18:03,777 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 [2024-11-09 15:18:03,778 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-09 15:18:03,804 INFO L438 nArgumentSynthesizer]: Removed 13 redundant supporting invariants from a total of 14. [2024-11-09 15:18:03,804 INFO L474 LassoAnalysis]: Proved termination. [2024-11-09 15:18:03,804 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] [2024-11-09 15:18:03,823 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 [2024-11-09 15:18:03,827 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2024-11-09 15:18:03,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:03,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:03,876 INFO L255 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 15:18:03,877 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:18:03,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:03,931 WARN L253 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 15:18:03,932 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:18:04,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:18:04,063 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 [2024-11-09 15:18:04,063 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) [2024-11-09 15:18:04,142 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. [2024-11-09 15:18:04,144 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 [2024-11-09 15:18:04,144 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) [2024-11-09 15:18:04,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2024-11-09 15:18:04,145 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 10 transitions. Stem has 4 letters. Loop has 5 letters. [2024-11-09 15:18:04,146 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:18:04,146 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 10 transitions. Stem has 9 letters. Loop has 5 letters. [2024-11-09 15:18:04,146 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:18:04,146 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 10 transitions. Stem has 4 letters. Loop has 10 letters. [2024-11-09 15:18:04,146 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:18:04,146 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 24 transitions. [2024-11-09 15:18:04,147 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-09 15:18:04,148 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 16 states and 18 transitions. [2024-11-09 15:18:04,149 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-11-09 15:18:04,149 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-11-09 15:18:04,149 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 18 transitions. [2024-11-09 15:18:04,150 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-09 15:18:04,150 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 18 transitions. [2024-11-09 15:18:04,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 18 transitions. [2024-11-09 15:18:04,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2024-11-09 15:18:04,151 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) [2024-11-09 15:18:04,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2024-11-09 15:18:04,151 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 17 transitions. [2024-11-09 15:18:04,151 INFO L425 stractBuchiCegarLoop]: Abstraction has 15 states and 17 transitions. [2024-11-09 15:18:04,151 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-09 15:18:04,151 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 17 transitions. [2024-11-09 15:18:04,151 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-09 15:18:04,151 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:18:04,151 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:18:04,152 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:18:04,152 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-09 15:18:04,152 INFO L745 eck$LassoCheckResult]: Stem: 362#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 363#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~post1#1, main_#t~bitwise2#1, main_~a~0#1, main_~b~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;main_~a~0#1 := 16;main_~b~0#1 := 30;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 361#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 357#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 358#L22-2 assume !(0 == main_~a~0#1); 365#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 355#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 356#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 359#L22 assume 0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1;main_#t~bitwise2#1 := main_~a~0#1; 353#L22-5 [2024-11-09 15:18:04,152 INFO L747 eck$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 [2024-11-09 15:18:04,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:04,152 INFO L85 PathProgramCache]: Analyzing trace with hash 644884946, now seen corresponding path program 1 times [2024-11-09 15:18:04,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:18:04,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139782704] [2024-11-09 15:18:04,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:18:04,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:18:04,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:04,314 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:18:04,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:18:04,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139782704] [2024-11-09 15:18:04,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139782704] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 15:18:04,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [881408412] [2024-11-09 15:18:04,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:18:04,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 15:18:04,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:04,317 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) [2024-11-09 15:18:04,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-09 15:18:04,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:04,343 INFO L255 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 15:18:04,344 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:18:04,400 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:18:04,400 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 15:18:04,535 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:18:04,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [881408412] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 15:18:04,536 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 15:18:04,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 6] total 15 [2024-11-09 15:18:04,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967594683] [2024-11-09 15:18:04,536 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 15:18:04,537 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-09 15:18:04,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:04,537 INFO L85 PathProgramCache]: Analyzing trace with hash 53210, now seen corresponding path program 3 times [2024-11-09 15:18:04,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:18:04,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880212507] [2024-11-09 15:18:04,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:18:04,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:18:04,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:18:04,541 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:18:04,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:18:04,544 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:18:04,585 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:18:04,586 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:18:04,586 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:18:04,586 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:18:04,586 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-09 15:18:04,586 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:04,586 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:18:04,586 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:18:04,586 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration4_Loop [2024-11-09 15:18:04,586 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:18:04,587 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:18:04,587 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:04,590 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:04,605 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:04,672 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:18:04,673 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-09 15:18:04,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:04,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:04,675 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) [2024-11-09 15:18:04,676 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 [2024-11-09 15:18:04,677 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-09 15:18:04,677 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:18:04,689 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-09 15:18:04,689 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: [] [2024-11-09 15:18:04,699 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2024-11-09 15:18:04,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:04,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:04,702 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) [2024-11-09 15:18:04,703 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 [2024-11-09 15:18:04,704 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-09 15:18:04,704 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:18:04,729 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 [2024-11-09 15:18:04,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:04,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:04,731 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) [2024-11-09 15:18:04,739 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 [2024-11-09 15:18:04,740 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-09 15:18:04,742 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:18:04,753 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2024-11-09 15:18:04,967 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-09 15:18:04,972 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 [2024-11-09 15:18:04,972 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:18:04,972 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:18:04,973 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:18:04,973 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:18:04,973 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-09 15:18:04,973 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:04,973 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:18:04,973 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:18:04,973 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration4_Loop [2024-11-09 15:18:04,973 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:18:04,973 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:18:04,974 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:04,977 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:04,979 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:05,041 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:18:05,041 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-09 15:18:05,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:05,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:05,043 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) [2024-11-09 15:18:05,044 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 [2024-11-09 15:18:05,044 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 [2024-11-09 15:18:05,054 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:18:05,054 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:18:05,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:18:05,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:18:05,054 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:18:05,054 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:18:05,055 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:18:05,058 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:18:05,073 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 [2024-11-09 15:18:05,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:05,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:05,076 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) [2024-11-09 15:18:05,077 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 [2024-11-09 15:18:05,078 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 [2024-11-09 15:18:05,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:18:05,091 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:18:05,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:18:05,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:18:05,091 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:18:05,092 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:18:05,092 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:18:05,096 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:18:05,112 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 [2024-11-09 15:18:05,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:05,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:05,114 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) [2024-11-09 15:18:05,115 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 [2024-11-09 15:18:05,116 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 [2024-11-09 15:18:05,127 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:18:05,128 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:18:05,128 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:18:05,128 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-09 15:18:05,128 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:18:05,130 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-09 15:18:05,130 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:18:05,134 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:18:05,144 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 [2024-11-09 15:18:05,144 INFO L451 LassoAnalysis]: Using template '2-nested'. [2024-11-09 15:18:05,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:05,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:05,145 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) [2024-11-09 15:18:05,146 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 [2024-11-09 15:18:05,147 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 [2024-11-09 15:18:05,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:18:05,157 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:18:05,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:18:05,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:18:05,157 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-09 15:18:05,158 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-09 15:18:05,158 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:18:05,161 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:18:05,176 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2024-11-09 15:18:05,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:05,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:05,178 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) [2024-11-09 15:18:05,181 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 [2024-11-09 15:18:05,183 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 [2024-11-09 15:18:05,197 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:18:05,197 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:18:05,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:18:05,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:18:05,197 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-09 15:18:05,198 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-09 15:18:05,198 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:18:05,201 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:18:05,215 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2024-11-09 15:18:05,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:05,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:05,218 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) [2024-11-09 15:18:05,218 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 [2024-11-09 15:18:05,219 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 [2024-11-09 15:18:05,232 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:18:05,232 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:18:05,232 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:18:05,232 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-09 15:18:05,232 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-09 15:18:05,235 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:18:05,235 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:18:05,240 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-09 15:18:05,246 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2024-11-09 15:18:05,246 INFO L444 ModelExtractionUtils]: 3 out of 9 variables were initially zero. Simplification set additionally 2 variables to zero. [2024-11-09 15:18:05,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:05,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:05,248 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) [2024-11-09 15:18:05,249 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 [2024-11-09 15:18:05,249 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-09 15:18:05,249 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-09 15:18:05,249 INFO L474 LassoAnalysis]: Proved termination. [2024-11-09 15:18:05,249 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 [] [2024-11-09 15:18:05,260 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2024-11-09 15:18:05,261 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-09 15:18:05,265 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-11-09 15:18:05,266 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-11-09 15:18:05,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:05,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:05,293 INFO L255 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 15:18:05,293 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:18:05,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:05,309 WARN L253 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 15:18:05,309 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:18:05,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:18:05,436 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 [2024-11-09 15:18:05,437 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) [2024-11-09 15:18:05,472 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. [2024-11-09 15:18:05,473 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 [2024-11-09 15:18:05,473 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) [2024-11-09 15:18:05,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2024-11-09 15:18:05,474 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 9 letters. Loop has 3 letters. [2024-11-09 15:18:05,474 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:18:05,474 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 12 letters. Loop has 3 letters. [2024-11-09 15:18:05,474 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:18:05,474 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 9 letters. Loop has 6 letters. [2024-11-09 15:18:05,474 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:18:05,474 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 31 transitions. [2024-11-09 15:18:05,475 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-09 15:18:05,475 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 24 states and 28 transitions. [2024-11-09 15:18:05,475 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2024-11-09 15:18:05,475 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2024-11-09 15:18:05,475 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 28 transitions. [2024-11-09 15:18:05,476 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-09 15:18:05,476 INFO L218 hiAutomatonCegarLoop]: Abstraction has 24 states and 28 transitions. [2024-11-09 15:18:05,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 28 transitions. [2024-11-09 15:18:05,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 21. [2024-11-09 15:18:05,479 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) [2024-11-09 15:18:05,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2024-11-09 15:18:05,479 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 25 transitions. [2024-11-09 15:18:05,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:18:05,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-09 15:18:05,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2024-11-09 15:18:05,480 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) [2024-11-09 15:18:05,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 15:18:05,546 INFO L93 Difference]: Finished difference Result 30 states and 34 transitions. [2024-11-09 15:18:05,546 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 34 transitions. [2024-11-09 15:18:05,547 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-09 15:18:05,547 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 30 states and 34 transitions. [2024-11-09 15:18:05,547 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2024-11-09 15:18:05,547 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-11-09 15:18:05,548 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 34 transitions. [2024-11-09 15:18:05,548 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-09 15:18:05,548 INFO L218 hiAutomatonCegarLoop]: Abstraction has 30 states and 34 transitions. [2024-11-09 15:18:05,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 34 transitions. [2024-11-09 15:18:05,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2024-11-09 15:18:05,549 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) [2024-11-09 15:18:05,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions. [2024-11-09 15:18:05,550 INFO L240 hiAutomatonCegarLoop]: Abstraction has 30 states and 34 transitions. [2024-11-09 15:18:05,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 15:18:05,551 INFO L425 stractBuchiCegarLoop]: Abstraction has 30 states and 34 transitions. [2024-11-09 15:18:05,551 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-09 15:18:05,551 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 34 transitions. [2024-11-09 15:18:05,552 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-09 15:18:05,552 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:18:05,552 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:18:05,553 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 4, 4, 3, 3, 1, 1, 1] [2024-11-09 15:18:05,553 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-09 15:18:05,553 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 [2024-11-09 15:18:05,553 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 [2024-11-09 15:18:05,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:05,554 INFO L85 PathProgramCache]: Analyzing trace with hash -1908372501, now seen corresponding path program 2 times [2024-11-09 15:18:05,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:18:05,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280531705] [2024-11-09 15:18:05,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:18:05,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:18:05,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:05,834 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 11 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:18:05,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:18:05,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280531705] [2024-11-09 15:18:05,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280531705] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 15:18:05,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1769099144] [2024-11-09 15:18:05,835 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 15:18:05,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 15:18:05,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:05,837 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) [2024-11-09 15:18:05,838 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2024-11-09 15:18:05,875 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 15:18:05,876 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 15:18:05,876 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-09 15:18:05,877 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:18:06,041 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 11 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:18:06,041 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 15:18:06,170 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 [2024-11-09 15:18:06,379 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 11 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:18:06,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1769099144] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 15:18:06,379 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 15:18:06,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 13] total 30 [2024-11-09 15:18:06,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702833660] [2024-11-09 15:18:06,379 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 15:18:06,380 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-09 15:18:06,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:06,380 INFO L85 PathProgramCache]: Analyzing trace with hash 48701915, now seen corresponding path program 2 times [2024-11-09 15:18:06,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:18:06,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308967494] [2024-11-09 15:18:06,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:18:06,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:18:06,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:18:06,384 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:18:06,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:18:06,386 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:18:06,554 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:18:06,555 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:18:06,555 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:18:06,555 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:18:06,555 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-09 15:18:06,555 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:06,555 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:18:06,555 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:18:06,555 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration5_Loop [2024-11-09 15:18:06,555 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:18:06,555 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:18:06,556 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:06,559 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:06,601 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:06,650 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2024-11-09 15:18:06,972 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:18:06,972 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-09 15:18:06,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:06,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:06,973 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) [2024-11-09 15:18:06,974 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 [2024-11-09 15:18:06,975 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-09 15:18:06,975 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:18:06,986 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-09 15:18:06,987 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: [] [2024-11-09 15:18:06,996 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 [2024-11-09 15:18:06,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:06,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:06,998 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) [2024-11-09 15:18:06,998 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 [2024-11-09 15:18:06,999 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-09 15:18:06,999 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:18:07,031 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2024-11-09 15:18:07,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:07,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:07,033 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) [2024-11-09 15:18:07,034 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 [2024-11-09 15:18:07,035 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-09 15:18:07,035 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:18:07,066 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-09 15:18:07,066 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] [2024-11-09 15:18:07,070 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2024-11-09 15:18:07,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:07,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:07,072 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) [2024-11-09 15:18:07,072 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 [2024-11-09 15:18:07,073 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-09 15:18:07,073 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:18:07,084 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-09 15:18:07,084 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: [] [2024-11-09 15:18:07,094 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 [2024-11-09 15:18:07,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:18:07,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-09 15:18:07,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=201, Invalid=669, Unknown=0, NotChecked=0, Total=870 [2024-11-09 15:18:07,095 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) [2024-11-09 15:18:07,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 15:18:07,251 INFO L93 Difference]: Finished difference Result 50 states and 54 transitions. [2024-11-09 15:18:07,251 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 54 transitions. [2024-11-09 15:18:07,252 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-09 15:18:07,253 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 50 states and 54 transitions. [2024-11-09 15:18:07,253 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2024-11-09 15:18:07,253 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-11-09 15:18:07,253 INFO L73 IsDeterministic]: Start isDeterministic. Operand 50 states and 54 transitions. [2024-11-09 15:18:07,253 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-09 15:18:07,253 INFO L218 hiAutomatonCegarLoop]: Abstraction has 50 states and 54 transitions. [2024-11-09 15:18:07,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states and 54 transitions. [2024-11-09 15:18:07,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-11-09 15:18:07,255 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) [2024-11-09 15:18:07,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 54 transitions. [2024-11-09 15:18:07,256 INFO L240 hiAutomatonCegarLoop]: Abstraction has 50 states and 54 transitions. [2024-11-09 15:18:07,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-09 15:18:07,258 INFO L425 stractBuchiCegarLoop]: Abstraction has 50 states and 54 transitions. [2024-11-09 15:18:07,258 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-11-09 15:18:07,258 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 50 states and 54 transitions. [2024-11-09 15:18:07,259 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-09 15:18:07,259 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:18:07,259 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:18:07,260 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [9, 8, 8, 7, 7, 1, 1, 1] [2024-11-09 15:18:07,260 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-09 15:18:07,261 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 [2024-11-09 15:18:07,261 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 [2024-11-09 15:18:07,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:07,262 INFO L85 PathProgramCache]: Analyzing trace with hash -53972245, now seen corresponding path program 3 times [2024-11-09 15:18:07,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:18:07,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055240156] [2024-11-09 15:18:07,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:18:07,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:18:07,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:07,918 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 23 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:18:07,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:18:07,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055240156] [2024-11-09 15:18:07,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055240156] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 15:18:07,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2065876956] [2024-11-09 15:18:07,919 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 15:18:07,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 15:18:07,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:07,921 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) [2024-11-09 15:18:07,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2024-11-09 15:18:07,972 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-11-09 15:18:07,972 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 15:18:07,974 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-09 15:18:07,976 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:18:08,414 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 23 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:18:08,414 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 15:18:09,233 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 23 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:18:09,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2065876956] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 15:18:09,234 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 15:18:09,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18, 25] total 58 [2024-11-09 15:18:09,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977571518] [2024-11-09 15:18:09,234 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 15:18:09,235 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-09 15:18:09,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:09,235 INFO L85 PathProgramCache]: Analyzing trace with hash 48701915, now seen corresponding path program 3 times [2024-11-09 15:18:09,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:18:09,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208262849] [2024-11-09 15:18:09,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:18:09,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:18:09,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:18:09,239 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:18:09,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:18:09,241 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:18:09,414 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:18:09,414 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:18:09,414 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:18:09,414 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:18:09,414 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-09 15:18:09,414 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:09,414 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:18:09,414 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:18:09,414 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration6_Loop [2024-11-09 15:18:09,414 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:18:09,414 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:18:09,415 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:09,418 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:09,466 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:09,517 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2024-11-09 15:18:09,809 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:18:09,809 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-09 15:18:09,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:09,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:09,810 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) [2024-11-09 15:18:09,811 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 [2024-11-09 15:18:09,812 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-09 15:18:09,812 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:18:09,822 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-09 15:18:09,822 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: [] [2024-11-09 15:18:09,832 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 [2024-11-09 15:18:09,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:09,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:09,834 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) [2024-11-09 15:18:09,834 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 [2024-11-09 15:18:09,835 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-09 15:18:09,835 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:18:09,866 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2024-11-09 15:18:09,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:09,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:09,867 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) [2024-11-09 15:18:09,868 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 [2024-11-09 15:18:09,869 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-09 15:18:09,869 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:18:09,908 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-09 15:18:09,908 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] [2024-11-09 15:18:09,913 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2024-11-09 15:18:09,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:09,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:09,915 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) [2024-11-09 15:18:09,917 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 [2024-11-09 15:18:09,917 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-09 15:18:09,918 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:18:09,932 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-09 15:18:09,932 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: [] [2024-11-09 15:18:09,946 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 [2024-11-09 15:18:09,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:18:09,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2024-11-09 15:18:09,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=640, Invalid=2666, Unknown=0, NotChecked=0, Total=3306 [2024-11-09 15:18:09,949 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) [2024-11-09 15:18:10,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 15:18:10,318 INFO L93 Difference]: Finished difference Result 80 states and 84 transitions. [2024-11-09 15:18:10,318 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 80 states and 84 transitions. [2024-11-09 15:18:10,319 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-09 15:18:10,319 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 80 states to 80 states and 84 transitions. [2024-11-09 15:18:10,319 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2024-11-09 15:18:10,319 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-11-09 15:18:10,320 INFO L73 IsDeterministic]: Start isDeterministic. Operand 80 states and 84 transitions. [2024-11-09 15:18:10,320 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-09 15:18:10,320 INFO L218 hiAutomatonCegarLoop]: Abstraction has 80 states and 84 transitions. [2024-11-09 15:18:10,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states and 84 transitions. [2024-11-09 15:18:10,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2024-11-09 15:18:10,325 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) [2024-11-09 15:18:10,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 84 transitions. [2024-11-09 15:18:10,326 INFO L240 hiAutomatonCegarLoop]: Abstraction has 80 states and 84 transitions. [2024-11-09 15:18:10,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-09 15:18:10,329 INFO L425 stractBuchiCegarLoop]: Abstraction has 80 states and 84 transitions. [2024-11-09 15:18:10,329 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-11-09 15:18:10,329 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 80 states and 84 transitions. [2024-11-09 15:18:10,330 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-09 15:18:10,330 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:18:10,330 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:18:10,332 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [15, 14, 14, 13, 13, 1, 1, 1] [2024-11-09 15:18:10,332 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-09 15:18:10,335 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 [2024-11-09 15:18:10,335 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 [2024-11-09 15:18:10,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:10,335 INFO L85 PathProgramCache]: Analyzing trace with hash -1349747349, now seen corresponding path program 4 times [2024-11-09 15:18:10,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:18:10,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841378391] [2024-11-09 15:18:10,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:18:10,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:18:10,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:18:10,393 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:18:10,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:18:10,426 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:18:10,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:10,427 INFO L85 PathProgramCache]: Analyzing trace with hash 48701915, now seen corresponding path program 4 times [2024-11-09 15:18:10,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:18:10,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004023365] [2024-11-09 15:18:10,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:18:10,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:18:10,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:18:10,433 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:18:10,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:18:10,437 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:18:10,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:10,438 INFO L85 PathProgramCache]: Analyzing trace with hash 763524785, now seen corresponding path program 5 times [2024-11-09 15:18:10,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:18:10,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648912375] [2024-11-09 15:18:10,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:18:10,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:18:10,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:18:10,465 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:18:10,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:18:10,497 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:18:10,654 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:18:10,655 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:18:10,655 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:18:10,655 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:18:10,655 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-09 15:18:10,655 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:10,655 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:18:10,655 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:18:10,655 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration7_Loop [2024-11-09 15:18:10,655 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:18:10,655 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:18:10,656 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:10,658 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:10,696 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:10,752 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2024-11-09 15:18:11,040 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:18:11,040 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-09 15:18:11,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:11,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:11,042 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) [2024-11-09 15:18:11,045 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 [2024-11-09 15:18:11,046 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-09 15:18:11,046 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:18:11,059 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-09 15:18:11,059 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: [] [2024-11-09 15:18:11,069 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 [2024-11-09 15:18:11,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:11,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:11,070 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) [2024-11-09 15:18:11,071 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 [2024-11-09 15:18:11,072 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-09 15:18:11,072 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:18:11,103 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2024-11-09 15:18:11,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:11,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:11,105 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) [2024-11-09 15:18:11,106 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 [2024-11-09 15:18:11,106 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-09 15:18:11,106 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:18:11,136 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-09 15:18:11,136 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] [2024-11-09 15:18:11,140 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 [2024-11-09 15:18:11,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:11,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:11,141 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) [2024-11-09 15:18:11,142 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 [2024-11-09 15:18:11,143 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-09 15:18:11,143 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:18:11,153 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-09 15:18:11,154 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: [] [2024-11-09 15:18:11,164 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2024-11-09 15:18:12,804 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:18:12,804 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:18:12,804 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:18:12,804 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:18:12,804 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-09 15:18:12,804 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:12,805 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:18:12,805 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:18:12,805 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration7_Lasso [2024-11-09 15:18:12,805 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:18:12,805 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:18:12,806 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:12,807 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:12,809 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:12,848 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:12,849 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:12,902 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2024-11-09 15:18:13,212 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:18:13,212 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-09 15:18:13,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:13,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:13,214 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) [2024-11-09 15:18:13,215 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 [2024-11-09 15:18:13,215 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-09 15:18:13,215 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:18:13,226 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-09 15:18:13,226 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: [] [2024-11-09 15:18:13,236 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 [2024-11-09 15:18:13,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:13,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:13,237 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) [2024-11-09 15:18:13,238 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 [2024-11-09 15:18:13,238 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-09 15:18:13,238 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:18:13,249 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-09 15:18:13,249 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: [] [2024-11-09 15:18:13,259 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 [2024-11-09 15:18:13,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:13,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:13,260 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) [2024-11-09 15:18:13,261 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 [2024-11-09 15:18:13,261 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-09 15:18:13,261 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:18:13,283 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2024-11-09 15:18:13,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:13,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:13,284 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) [2024-11-09 15:18:13,285 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 [2024-11-09 15:18:13,286 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-09 15:18:13,286 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:18:13,319 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-09 15:18:13,323 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 [2024-11-09 15:18:13,323 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:18:13,323 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:18:13,323 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:18:13,323 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:18:13,323 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-09 15:18:13,323 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:13,323 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:18:13,323 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:18:13,323 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration7_Lasso [2024-11-09 15:18:13,323 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:18:13,324 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:18:13,324 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:13,326 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:13,328 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:13,329 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:13,368 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:13,423 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2024-11-09 15:18:13,736 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:18:13,736 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-09 15:18:13,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:13,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:13,737 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) [2024-11-09 15:18:13,738 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 [2024-11-09 15:18:13,739 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 [2024-11-09 15:18:13,748 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:18:13,748 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:18:13,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:18:13,749 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:18:13,749 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:18:13,749 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:18:13,749 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:18:13,750 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:18:13,760 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2024-11-09 15:18:13,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:13,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:13,761 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) [2024-11-09 15:18:13,762 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 [2024-11-09 15:18:13,762 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 [2024-11-09 15:18:13,772 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:18:13,772 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:18:13,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:18:13,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:18:13,772 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:18:13,773 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:18:13,773 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:18:13,774 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:18:13,784 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 [2024-11-09 15:18:13,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:13,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:13,787 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) [2024-11-09 15:18:13,788 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 [2024-11-09 15:18:13,789 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 [2024-11-09 15:18:13,799 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:18:13,800 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:18:13,800 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:18:13,800 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:18:13,800 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:18:13,801 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:18:13,801 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:18:13,802 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:18:13,812 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 [2024-11-09 15:18:13,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:13,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:13,814 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) [2024-11-09 15:18:13,815 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 [2024-11-09 15:18:13,815 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 [2024-11-09 15:18:13,825 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:18:13,825 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:18:13,825 INFO L204 nArgumentSynthesizer]: 7 loop disjuncts [2024-11-09 15:18:13,825 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:18:13,893 INFO L401 nArgumentSynthesizer]: We have 126 Motzkin's Theorem applications. [2024-11-09 15:18:13,894 INFO L402 nArgumentSynthesizer]: A total of 14 supporting invariants were added. [2024-11-09 15:18:16,337 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-09 15:18:17,526 INFO L443 ModelExtractionUtils]: Simplification made 35 calls to the SMT solver. [2024-11-09 15:18:17,526 INFO L444 ModelExtractionUtils]: 23 out of 61 variables were initially zero. Simplification set additionally 23 variables to zero. [2024-11-09 15:18:17,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:17,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:17,528 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) [2024-11-09 15:18:17,528 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 [2024-11-09 15:18:17,529 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-09 15:18:17,550 INFO L438 nArgumentSynthesizer]: Removed 11 redundant supporting invariants from a total of 14. [2024-11-09 15:18:17,550 INFO L474 LassoAnalysis]: Proved termination. [2024-11-09 15:18:17,551 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] [2024-11-09 15:18:17,568 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 [2024-11-09 15:18:17,573 INFO L156 tatePredicateManager]: 1 out of 3 supporting invariants were superfluous and have been removed [2024-11-09 15:18:17,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:17,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:17,630 INFO L255 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-09 15:18:17,632 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:18:17,776 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 [2024-11-09 15:18:18,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:18,076 WARN L253 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 15:18:18,076 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:18:18,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:18:18,200 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 [2024-11-09 15:18:18,200 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) [2024-11-09 15:18:18,231 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. [2024-11-09 15:18:18,232 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 [2024-11-09 15:18:18,233 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) [2024-11-09 15:18:18,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2024-11-09 15:18:18,233 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 4 transitions. Stem has 72 letters. Loop has 5 letters. [2024-11-09 15:18:18,233 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:18:18,233 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-09 15:18:18,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:18,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:18,290 INFO L255 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-09 15:18:18,293 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:18:18,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:18,748 WARN L253 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 15:18:18,749 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:18:18,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:18:18,886 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 [2024-11-09 15:18:18,886 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) [2024-11-09 15:18:18,940 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. [2024-11-09 15:18:18,941 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 [2024-11-09 15:18:18,942 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) [2024-11-09 15:18:18,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2024-11-09 15:18:18,942 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 4 transitions. Stem has 72 letters. Loop has 5 letters. [2024-11-09 15:18:18,942 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:18:18,942 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-09 15:18:18,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:18,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:18,992 INFO L255 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-09 15:18:18,993 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:18:19,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:19,391 WARN L253 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 15:18:19,391 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:18:19,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:18:19,497 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 [2024-11-09 15:18:19,497 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) [2024-11-09 15:18:20,015 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. [2024-11-09 15:18:20,016 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 [2024-11-09 15:18:20,016 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) [2024-11-09 15:18:20,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 101 transitions. [2024-11-09 15:18:20,017 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 25 states and 101 transitions. Stem has 72 letters. Loop has 5 letters. [2024-11-09 15:18:20,017 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:18:20,018 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 25 states and 101 transitions. Stem has 77 letters. Loop has 5 letters. [2024-11-09 15:18:20,018 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:18:20,018 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 25 states and 101 transitions. Stem has 72 letters. Loop has 10 letters. [2024-11-09 15:18:20,019 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:18:20,019 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 94 states and 100 transitions. [2024-11-09 15:18:20,023 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2024-11-09 15:18:20,024 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 94 states to 89 states and 94 transitions. [2024-11-09 15:18:20,024 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2024-11-09 15:18:20,024 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-11-09 15:18:20,024 INFO L73 IsDeterministic]: Start isDeterministic. Operand 89 states and 94 transitions. [2024-11-09 15:18:20,025 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-09 15:18:20,025 INFO L218 hiAutomatonCegarLoop]: Abstraction has 89 states and 94 transitions. [2024-11-09 15:18:20,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states and 94 transitions. [2024-11-09 15:18:20,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 84. [2024-11-09 15:18:20,028 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) [2024-11-09 15:18:20,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 89 transitions. [2024-11-09 15:18:20,029 INFO L240 hiAutomatonCegarLoop]: Abstraction has 84 states and 89 transitions. [2024-11-09 15:18:20,029 INFO L425 stractBuchiCegarLoop]: Abstraction has 84 states and 89 transitions. [2024-11-09 15:18:20,029 INFO L332 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-11-09 15:18:20,029 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 84 states and 89 transitions. [2024-11-09 15:18:20,030 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2024-11-09 15:18:20,030 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:18:20,030 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:18:20,031 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [15, 14, 14, 13, 13, 1, 1, 1] [2024-11-09 15:18:20,031 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1] [2024-11-09 15:18:20,032 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 [2024-11-09 15:18:20,032 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 [2024-11-09 15:18:20,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:20,033 INFO L85 PathProgramCache]: Analyzing trace with hash -1349747349, now seen corresponding path program 6 times [2024-11-09 15:18:20,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:18:20,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357677087] [2024-11-09 15:18:20,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:18:20,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:18:20,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:18:20,052 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:18:20,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:18:20,071 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:18:20,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:20,071 INFO L85 PathProgramCache]: Analyzing trace with hash -820232444, now seen corresponding path program 1 times [2024-11-09 15:18:20,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:18:20,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745745258] [2024-11-09 15:18:20,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:18:20,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:18:20,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:18:20,075 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:18:20,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:18:20,078 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:18:20,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:20,079 INFO L85 PathProgramCache]: Analyzing trace with hash 20034158, now seen corresponding path program 7 times [2024-11-09 15:18:20,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:18:20,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887350186] [2024-11-09 15:18:20,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:18:20,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:18:20,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:18:20,099 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:18:20,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:18:20,129 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:18:20,320 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:18:20,321 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:18:20,321 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:18:20,321 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:18:20,321 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-09 15:18:20,321 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:20,321 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:18:20,321 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:18:20,321 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration8_Loop [2024-11-09 15:18:20,321 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:18:20,321 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:18:20,322 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:20,324 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:20,358 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:20,519 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:18:20,519 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-09 15:18:20,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:20,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:20,521 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) [2024-11-09 15:18:20,524 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 [2024-11-09 15:18:20,525 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-09 15:18:20,525 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:18:20,540 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-09 15:18:20,540 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: [] [2024-11-09 15:18:20,557 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 [2024-11-09 15:18:20,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:20,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:20,558 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) [2024-11-09 15:18:20,560 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 [2024-11-09 15:18:20,561 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-09 15:18:20,561 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:18:20,594 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2024-11-09 15:18:20,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:20,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:20,597 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) [2024-11-09 15:18:20,599 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 [2024-11-09 15:18:20,600 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-09 15:18:20,600 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:18:20,633 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-09 15:18:20,639 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2024-11-09 15:18:20,639 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:18:20,639 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:18:20,639 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:18:20,639 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:18:20,639 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-09 15:18:20,639 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:20,639 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:18:20,639 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:18:20,639 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration8_Loop [2024-11-09 15:18:20,639 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:18:20,639 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:18:20,640 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:20,676 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:20,678 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:20,854 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:18:20,855 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-09 15:18:20,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:20,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:20,856 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) [2024-11-09 15:18:20,857 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 [2024-11-09 15:18:20,857 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 [2024-11-09 15:18:20,867 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:18:20,868 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:18:20,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:18:20,868 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2024-11-09 15:18:20,868 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:18:20,870 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:18:20,871 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:18:20,876 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-09 15:18:20,879 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-09 15:18:20,879 INFO L444 ModelExtractionUtils]: 2 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-09 15:18:20,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:20,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:20,880 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) [2024-11-09 15:18:20,881 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 [2024-11-09 15:18:20,881 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-09 15:18:20,881 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-09 15:18:20,881 INFO L474 LassoAnalysis]: Proved termination. [2024-11-09 15:18:20,881 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 [] [2024-11-09 15:18:20,893 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 [2024-11-09 15:18:20,894 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-09 15:18:20,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:20,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:20,942 INFO L255 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 15:18:20,942 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:18:21,019 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 [2024-11-09 15:18:21,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:21,026 INFO L255 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 15:18:21,026 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:18:21,218 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:18:21,219 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 [2024-11-09 15:18:21,219 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) [2024-11-09 15:18:21,286 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. [2024-11-09 15:18:21,286 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 [2024-11-09 15:18:21,287 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) [2024-11-09 15:18:21,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 18 transitions. [2024-11-09 15:18:21,287 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 18 transitions. Stem has 72 letters. Loop has 8 letters. [2024-11-09 15:18:21,288 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:18:21,288 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 18 transitions. Stem has 80 letters. Loop has 8 letters. [2024-11-09 15:18:21,288 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:18:21,288 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 18 transitions. Stem has 72 letters. Loop has 16 letters. [2024-11-09 15:18:21,288 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:18:21,288 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 168 states and 179 transitions. [2024-11-09 15:18:21,290 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-09 15:18:21,291 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 168 states to 90 states and 96 transitions. [2024-11-09 15:18:21,291 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2024-11-09 15:18:21,291 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2024-11-09 15:18:21,291 INFO L73 IsDeterministic]: Start isDeterministic. Operand 90 states and 96 transitions. [2024-11-09 15:18:21,291 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-09 15:18:21,291 INFO L218 hiAutomatonCegarLoop]: Abstraction has 90 states and 96 transitions. [2024-11-09 15:18:21,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states and 96 transitions. [2024-11-09 15:18:21,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 86. [2024-11-09 15:18:21,294 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) [2024-11-09 15:18:21,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 91 transitions. [2024-11-09 15:18:21,295 INFO L240 hiAutomatonCegarLoop]: Abstraction has 86 states and 91 transitions. [2024-11-09 15:18:21,295 INFO L425 stractBuchiCegarLoop]: Abstraction has 86 states and 91 transitions. [2024-11-09 15:18:21,295 INFO L332 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2024-11-09 15:18:21,295 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 86 states and 91 transitions. [2024-11-09 15:18:21,295 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-09 15:18:21,295 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:18:21,295 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:18:21,296 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [16, 16, 14, 14, 14, 2, 1, 1] [2024-11-09 15:18:21,296 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-09 15:18:21,297 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 [2024-11-09 15:18:21,300 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 [2024-11-09 15:18:21,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:21,301 INFO L85 PathProgramCache]: Analyzing trace with hash -2100535479, now seen corresponding path program 8 times [2024-11-09 15:18:21,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:18:21,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957902926] [2024-11-09 15:18:21,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:18:21,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:18:21,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:18:21,345 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:18:21,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:18:21,373 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:18:21,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:21,374 INFO L85 PathProgramCache]: Analyzing trace with hash 40820, now seen corresponding path program 4 times [2024-11-09 15:18:21,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:18:21,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010693131] [2024-11-09 15:18:21,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:18:21,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:18:21,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:18:21,378 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:18:21,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:18:21,380 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:18:21,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:21,382 INFO L85 PathProgramCache]: Analyzing trace with hash 621058860, now seen corresponding path program 9 times [2024-11-09 15:18:21,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:18:21,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254825483] [2024-11-09 15:18:21,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:18:21,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:18:21,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:21,883 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 590 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:18:21,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:18:21,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254825483] [2024-11-09 15:18:21,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254825483] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:18:21,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:18:21,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2024-11-09 15:18:21,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432474667] [2024-11-09 15:18:21,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:18:21,916 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:18:21,916 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:18:21,916 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:18:21,916 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:18:21,916 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-09 15:18:21,916 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:21,916 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:18:21,916 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:18:21,916 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration9_Loop [2024-11-09 15:18:21,916 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:18:21,916 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:18:21,917 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:21,919 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:21,921 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:21,976 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:18:21,976 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-09 15:18:21,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:21,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:21,977 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) [2024-11-09 15:18:21,978 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 [2024-11-09 15:18:21,979 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-09 15:18:21,979 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:18:21,990 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-09 15:18:21,990 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: [] [2024-11-09 15:18:22,000 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2024-11-09 15:18:22,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:22,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:22,002 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) [2024-11-09 15:18:22,003 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 [2024-11-09 15:18:22,003 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-09 15:18:22,004 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:18:22,014 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-09 15:18:22,015 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: [] [2024-11-09 15:18:22,025 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2024-11-09 15:18:22,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:22,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:22,026 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) [2024-11-09 15:18:22,027 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 [2024-11-09 15:18:22,028 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-09 15:18:22,028 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:18:22,049 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2024-11-09 15:18:22,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:22,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:22,050 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) [2024-11-09 15:18:22,051 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 [2024-11-09 15:18:22,052 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-09 15:18:22,052 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:18:22,240 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-09 15:18:22,245 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2024-11-09 15:18:22,245 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:18:22,245 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:18:22,246 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:18:22,246 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:18:22,246 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-09 15:18:22,246 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:22,246 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:18:22,246 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:18:22,246 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration9_Loop [2024-11-09 15:18:22,246 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:18:22,246 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:18:22,246 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:22,248 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:22,257 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:22,306 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:18:22,306 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-09 15:18:22,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:22,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:22,307 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) [2024-11-09 15:18:22,308 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 [2024-11-09 15:18:22,309 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 [2024-11-09 15:18:22,318 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:18:22,319 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:18:22,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:18:22,319 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:18:22,319 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:18:22,319 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:18:22,319 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:18:22,320 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:18:22,331 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 [2024-11-09 15:18:22,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:22,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:22,333 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) [2024-11-09 15:18:22,334 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 [2024-11-09 15:18:22,334 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 [2024-11-09 15:18:22,344 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:18:22,344 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:18:22,345 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:18:22,345 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-09 15:18:22,345 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:18:22,348 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-09 15:18:22,348 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:18:22,353 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:18:22,365 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2024-11-09 15:18:22,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:22,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:22,367 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) [2024-11-09 15:18:22,367 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 [2024-11-09 15:18:22,368 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 [2024-11-09 15:18:22,378 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:18:22,379 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:18:22,379 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:18:22,379 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:18:22,379 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:18:22,379 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:18:22,379 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:18:22,381 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:18:22,391 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2024-11-09 15:18:22,391 INFO L451 LassoAnalysis]: Using template '2-nested'. [2024-11-09 15:18:22,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:22,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:22,393 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) [2024-11-09 15:18:22,393 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 [2024-11-09 15:18:22,394 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 [2024-11-09 15:18:22,404 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:18:22,404 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:18:22,404 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:18:22,405 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:18:22,405 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-09 15:18:22,405 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-09 15:18:22,405 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:18:22,406 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:18:22,417 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2024-11-09 15:18:22,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:22,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:22,419 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) [2024-11-09 15:18:22,420 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 [2024-11-09 15:18:22,420 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 [2024-11-09 15:18:22,431 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:18:22,431 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:18:22,431 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:18:22,431 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-09 15:18:22,431 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-09 15:18:22,435 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:18:22,435 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:18:22,440 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-09 15:18:22,444 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-11-09 15:18:22,444 INFO L444 ModelExtractionUtils]: 5 out of 9 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-09 15:18:22,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:22,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:22,445 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) [2024-11-09 15:18:22,447 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 [2024-11-09 15:18:22,447 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-09 15:18:22,447 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-09 15:18:22,447 INFO L474 LassoAnalysis]: Proved termination. [2024-11-09 15:18:22,447 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 [] [2024-11-09 15:18:22,462 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 [2024-11-09 15:18:22,463 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-09 15:18:22,464 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-11-09 15:18:22,465 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-11-09 15:18:22,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:22,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:22,515 INFO L255 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 15:18:22,516 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:18:22,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:22,605 WARN L253 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 15:18:22,606 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:18:22,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:18:22,702 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 [2024-11-09 15:18:22,703 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) [2024-11-09 15:18:22,705 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 [2024-11-09 15:18:22,762 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. [2024-11-09 15:18:22,762 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 [2024-11-09 15:18:22,763 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) [2024-11-09 15:18:22,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2024-11-09 15:18:22,763 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 78 letters. Loop has 3 letters. [2024-11-09 15:18:22,763 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:18:22,763 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-09 15:18:22,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:22,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:22,813 INFO L255 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 15:18:22,814 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:18:22,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:22,893 WARN L253 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 15:18:22,893 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:18:22,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:18:22,971 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 [2024-11-09 15:18:22,971 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) [2024-11-09 15:18:22,989 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 86 states and 91 transitions. cyclomatic complexity: 9. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 90 states and 95 transitions. Complement of second has 5 states. [2024-11-09 15:18:22,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-09 15:18:22,990 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) [2024-11-09 15:18:22,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 11 transitions. [2024-11-09 15:18:22,990 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 78 letters. Loop has 3 letters. [2024-11-09 15:18:22,991 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:18:22,991 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-09 15:18:23,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:23,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:23,032 INFO L255 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 15:18:23,033 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:18:23,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:23,108 WARN L253 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 15:18:23,108 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:18:23,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:18:23,173 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 [2024-11-09 15:18:23,173 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) [2024-11-09 15:18:23,249 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 8 states. [2024-11-09 15:18:23,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-09 15:18:23,250 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) [2024-11-09 15:18:23,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions. [2024-11-09 15:18:23,250 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 78 letters. Loop has 3 letters. [2024-11-09 15:18:23,250 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:18:23,250 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 81 letters. Loop has 3 letters. [2024-11-09 15:18:23,251 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:18:23,251 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 78 letters. Loop has 6 letters. [2024-11-09 15:18:23,251 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:18:23,251 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 148 states and 158 transitions. [2024-11-09 15:18:23,252 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-09 15:18:23,252 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 148 states to 0 states and 0 transitions. [2024-11-09 15:18:23,252 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-09 15:18:23,252 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-09 15:18:23,252 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-09 15:18:23,252 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-09 15:18:23,253 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 15:18:23,253 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 15:18:23,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:18:23,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-09 15:18:23,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=229, Invalid=233, Unknown=0, NotChecked=0, Total=462 [2024-11-09 15:18:23,253 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 22 states, 22 states have (on average 3.6818181818181817) internal successors, (81), 22 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:18:23,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 15:18:23,254 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2024-11-09 15:18:23,254 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2024-11-09 15:18:23,254 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-09 15:18:23,254 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 15:18:23,254 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-09 15:18:23,254 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-09 15:18:23,254 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-09 15:18:23,254 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-09 15:18:23,254 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 15:18:23,254 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 15:18:23,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 15:18:23,254 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 15:18:23,255 INFO L332 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2024-11-09 15:18:23,255 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-09 15:18:23,255 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-09 15:18:23,255 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-09 15:18:23,262 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.11 03:18:23 BoogieIcfgContainer [2024-11-09 15:18:23,262 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-09 15:18:23,263 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 15:18:23,263 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 15:18:23,263 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 15:18:23,263 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:17:56" (3/4) ... [2024-11-09 15:18:23,265 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 15:18:23,266 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 15:18:23,267 INFO L158 Benchmark]: Toolchain (without parser) took 27561.34ms. Allocated memory was 140.5MB in the beginning and 213.9MB in the end (delta: 73.4MB). Free memory was 87.4MB in the beginning and 101.0MB in the end (delta: -13.6MB). Peak memory consumption was 61.0MB. Max. memory is 16.1GB. [2024-11-09 15:18:23,267 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 140.5MB. Free memory is still 113.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 15:18:23,267 INFO L158 Benchmark]: CACSL2BoogieTranslator took 221.69ms. Allocated memory is still 140.5MB. Free memory was 87.4MB in the beginning and 75.6MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 15:18:23,267 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.26ms. Allocated memory is still 140.5MB. Free memory was 75.6MB in the beginning and 74.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 15:18:23,268 INFO L158 Benchmark]: Boogie Preprocessor took 32.54ms. Allocated memory is still 140.5MB. Free memory was 74.4MB in the beginning and 72.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 15:18:23,268 INFO L158 Benchmark]: RCFGBuilder took 338.94ms. Allocated memory was 140.5MB in the beginning and 178.3MB in the end (delta: 37.7MB). Free memory was 72.7MB in the beginning and 141.9MB in the end (delta: -69.2MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2024-11-09 15:18:23,268 INFO L158 Benchmark]: BuchiAutomizer took 26926.96ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 141.9MB in the beginning and 102.0MB in the end (delta: 39.9MB). Peak memory consumption was 77.4MB. Max. memory is 16.1GB. [2024-11-09 15:18:23,268 INFO L158 Benchmark]: Witness Printer took 3.93ms. Allocated memory is still 213.9MB. Free memory was 102.0MB in the beginning and 101.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 15:18:23,270 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 140.5MB. Free memory is still 113.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 221.69ms. Allocated memory is still 140.5MB. Free memory was 87.4MB in the beginning and 75.6MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.26ms. Allocated memory is still 140.5MB. Free memory was 75.6MB in the beginning and 74.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.54ms. Allocated memory is still 140.5MB. Free memory was 74.4MB in the beginning and 72.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 338.94ms. Allocated memory was 140.5MB in the beginning and 178.3MB in the end (delta: 37.7MB). Free memory was 72.7MB in the beginning and 141.9MB in the end (delta: -69.2MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 26926.96ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 141.9MB in the beginning and 102.0MB in the end (delta: 39.9MB). Peak memory consumption was 77.4MB. Max. memory is 16.1GB. * Witness Printer took 3.93ms. Allocated memory is still 213.9MB. Free memory was 102.0MB in the beginning and 101.0MB in the end (delta: 1.0MB). 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 5 locations. 6 modules have a trivial ranking function, the largest among these consists of 58 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 26.8s and 10 iterations. TraceHistogramMax:16. Analysis of lassos took 21.1s. Construction of modules took 0.8s. Büchi inclusion checks took 4.7s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 9. Automata minimization 0.0s AutomataMinimizationTime, 11 MinimizatonAttempts, 21 StatesRemovedByMinimization, 8 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [5, 0, 2, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/3 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 291 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 284 mSDsluCounter, 160 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 75 mSDsCounter, 200 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1449 IncrementalHoareTripleChecker+Invalid, 1649 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 200 mSolverCounterUnsat, 85 mSDtfsCounter, 1449 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: 2019ms VariablesStem: 3 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 7 SupportingInvariants: 14 MotzkinApplications: 126 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 17 LassoNonterminationAnalysisSatUnbounded: 4 LassoNonterminationAnalysisUnsat: 7 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.9s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-09 15:18:23,295 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Ended with exit code 0 [2024-11-09 15:18:23,489 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Ended with exit code 0 [2024-11-09 15:18:23,691 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-11-09 15:18:23,891 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE