./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-bwb/and-05.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/and-05.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 48505588d7e651383dbb51501a7ba8151dafe2f0aaf2cdca9e989876f7735131 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 15:17:43,321 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 15:17:43,365 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-09 15:17:43,368 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 15:17:43,368 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 15:17:43,381 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 15:17:43,382 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 15:17:43,382 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 15:17:43,383 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 15:17:43,383 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 15:17:43,383 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 15:17:43,383 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 15:17:43,384 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 15:17:43,384 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-09 15:17:43,384 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-09 15:17:43,384 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-09 15:17:43,385 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-09 15:17:43,385 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-09 15:17:43,385 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-09 15:17:43,389 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 15:17:43,389 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-09 15:17:43,391 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 15:17:43,391 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 15:17:43,391 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-09 15:17:43,391 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-09 15:17:43,391 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-09 15:17:43,392 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 15:17:43,392 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 15:17:43,392 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 15:17:43,392 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-09 15:17:43,393 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 15:17:43,393 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 15:17:43,393 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 15:17:43,393 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 15:17:43,393 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 15:17:43,394 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-09 15:17:43,394 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 48505588d7e651383dbb51501a7ba8151dafe2f0aaf2cdca9e989876f7735131 [2024-11-09 15:17:43,542 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 15:17:43,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 15:17:43,568 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 15:17:43,569 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 15:17:43,570 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 15:17:43,570 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-bwb/and-05.c [2024-11-09 15:17:44,866 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 15:17:44,987 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 15:17:44,988 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-bwb/and-05.c [2024-11-09 15:17:44,995 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8582afde/811d1fe79f7e4171861741cf2bb8d831/FLAGdaa553245 [2024-11-09 15:17:45,020 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8582afde/811d1fe79f7e4171861741cf2bb8d831 [2024-11-09 15:17:45,025 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 15:17:45,028 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 15:17:45,029 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 15:17:45,029 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 15:17:45,035 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 15:17:45,036 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:17:45" (1/1) ... [2024-11-09 15:17:45,036 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44c0a44c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:17:45, skipping insertion in model container [2024-11-09 15:17:45,036 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:17:45" (1/1) ... [2024-11-09 15:17:45,050 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 15:17:45,173 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 15:17:45,178 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 15:17:45,187 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 15:17:45,198 INFO L204 MainTranslator]: Completed translation [2024-11-09 15:17:45,198 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:17:45 WrapperNode [2024-11-09 15:17:45,198 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 15:17:45,199 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 15:17:45,199 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 15:17:45,199 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 15:17:45,217 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:17:45" (1/1) ... [2024-11-09 15:17:45,224 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:17:45" (1/1) ... [2024-11-09 15:17:45,270 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 26 [2024-11-09 15:17:45,271 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 15:17:45,271 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 15:17:45,272 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 15:17:45,272 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 15:17:45,283 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:17:45" (1/1) ... [2024-11-09 15:17:45,283 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:17:45" (1/1) ... [2024-11-09 15:17:45,284 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:17:45" (1/1) ... [2024-11-09 15:17:45,288 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-09 15:17:45,291 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:17:45" (1/1) ... [2024-11-09 15:17:45,291 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:17:45" (1/1) ... [2024-11-09 15:17:45,292 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:17:45" (1/1) ... [2024-11-09 15:17:45,296 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:17:45" (1/1) ... [2024-11-09 15:17:45,296 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:17:45" (1/1) ... [2024-11-09 15:17:45,297 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:17:45" (1/1) ... [2024-11-09 15:17:45,300 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 15:17:45,300 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 15:17:45,301 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 15:17:45,301 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 15:17:45,301 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:17:45" (1/1) ... [2024-11-09 15:17:45,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:45,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:17:45,331 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 15:17:45,334 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 15:17:45,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 15:17:45,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 15:17:45,406 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 15:17:45,407 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 15:17:45,461 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-09 15:17:45,462 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 15:17:45,469 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 15:17:45,469 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 15:17:45,469 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:17:45 BoogieIcfgContainer [2024-11-09 15:17:45,469 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 15:17:45,470 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-09 15:17:45,470 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-09 15:17:45,473 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-09 15:17:45,473 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-09 15:17:45,473 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.11 03:17:45" (1/3) ... [2024-11-09 15:17:45,474 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3a2674e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 03:17:45, skipping insertion in model container [2024-11-09 15:17:45,474 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-09 15:17:45,474 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:17:45" (2/3) ... [2024-11-09 15:17:45,475 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3a2674e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 03:17:45, skipping insertion in model container [2024-11-09 15:17:45,475 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-09 15:17:45,475 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:17:45" (3/3) ... [2024-11-09 15:17:45,476 INFO L332 chiAutomizerObserver]: Analyzing ICFG and-05.c [2024-11-09 15:17:45,535 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-09 15:17:45,535 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-09 15:17:45,535 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-09 15:17:45,535 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-09 15:17:45,535 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-09 15:17:45,536 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-09 15:17:45,536 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-09 15:17:45,536 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-09 15:17:45,540 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 15:17:45,550 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-09 15:17:45,550 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:17:45,551 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:17:45,554 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-09 15:17:45,554 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-09 15:17:45,554 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-09 15:17:45,554 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 15:17:45,555 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-09 15:17:45,555 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:17:45,555 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:17:45,556 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-09 15:17:45,556 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-09 15:17:45,560 INFO L745 eck$LassoCheckResult]: Stem: 7#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~bitwise2#1, main_~x~0#1, main_~y~0#1, main_~res~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~res~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 8#L16-2true [2024-11-09 15:17:45,560 INFO L747 eck$LassoCheckResult]: Loop: 8#L16-2true assume !!(main_~x~0#1 >= main_~y~0#1 && main_~y~0#1 > 0); 3#L17true assume 0 == main_~x~0#1 - 1 || 0 == main_~y~0#1;main_#t~bitwise2#1 := 0; 10#L17-5true main_~x~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1; 8#L16-2true [2024-11-09 15:17:45,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:17:45,564 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-09 15:17:45,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:17:45,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659302257] [2024-11-09 15:17:45,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:17:45,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:17:45,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:17:45,618 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:17:45,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:17:45,630 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:17:45,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:17:45,632 INFO L85 PathProgramCache]: Analyzing trace with hash 40820, now seen corresponding path program 1 times [2024-11-09 15:17:45,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:17:45,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058533528] [2024-11-09 15:17:45,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:17:45,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:17:45,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:17:45,646 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:17:45,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:17:45,651 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:17:45,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:17:45,653 INFO L85 PathProgramCache]: Analyzing trace with hash 28699762, now seen corresponding path program 1 times [2024-11-09 15:17:45,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:17:45,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523423909] [2024-11-09 15:17:45,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:17:45,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:17:45,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:17:45,661 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:17:45,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:17:45,670 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:17:45,745 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:17:45,746 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:17:45,746 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:17:45,746 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:17:45,746 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-09 15:17:45,746 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:45,746 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:17:45,746 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:17:45,747 INFO L132 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration1_Loop [2024-11-09 15:17:45,747 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:17:45,747 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:17:45,757 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:17:45,766 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:17:45,769 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:17:45,807 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:17:45,807 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-09 15:17:45,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:45,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:17:45,810 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 15:17:45,812 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 15:17:45,815 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-09 15:17:45,815 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:17:45,839 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 15:17:45,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:45,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:17:45,844 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 15:17:45,848 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 15:17:45,849 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-09 15:17:45,850 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:17:45,869 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-09 15:17:45,882 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-09 15:17:45,883 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:17:45,883 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:17:45,883 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:17:45,883 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:17:45,883 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-09 15:17:45,883 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:45,883 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:17:45,883 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:17:45,883 INFO L132 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration1_Loop [2024-11-09 15:17:45,883 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:17:45,884 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:17:45,884 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:17:45,893 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:17:45,897 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:17:45,930 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:17:45,933 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-09 15:17:45,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:45,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:17:45,937 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 15:17:45,939 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 15:17:45,941 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 15:17:45,951 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:17:45,952 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:17:45,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:17:45,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:17:45,952 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:17:45,954 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:17:45,954 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:17:45,960 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-09 15:17:45,968 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2024-11-09 15:17:45,969 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-09 15:17:45,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:45,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:17:45,997 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 15:17:45,999 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 15:17:46,000 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-09 15:17:46,000 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-09 15:17:46,001 INFO L474 LassoAnalysis]: Proved termination. [2024-11-09 15:17:46,001 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2024-11-09 15:17:46,012 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 15:17:46,014 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-09 15:17:46,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:17:46,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:17:46,064 WARN L253 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 15:17:46,065 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:17:46,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:17:46,075 WARN L253 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 15:17:46,075 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:17:46,103 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 15:17:46,129 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 15:17:46,131 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 15:17:46,195 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 38 states and 50 transitions. Complement of second has 10 states. [2024-11-09 15:17:46,197 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 15:17:46,201 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 15:17:46,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 25 transitions. [2024-11-09 15:17:46,204 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 2 letters. Loop has 3 letters. [2024-11-09 15:17:46,205 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:17:46,205 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 5 letters. Loop has 3 letters. [2024-11-09 15:17:46,205 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:17:46,205 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 2 letters. Loop has 6 letters. [2024-11-09 15:17:46,208 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:17:46,208 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 50 transitions. [2024-11-09 15:17:46,210 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-09 15:17:46,213 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 21 states and 29 transitions. [2024-11-09 15:17:46,214 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-11-09 15:17:46,214 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-11-09 15:17:46,215 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 29 transitions. [2024-11-09 15:17:46,215 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-09 15:17:46,215 INFO L218 hiAutomatonCegarLoop]: Abstraction has 21 states and 29 transitions. [2024-11-09 15:17:46,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 29 transitions. [2024-11-09 15:17:46,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 15. [2024-11-09 15:17:46,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 14 states have internal predecessors, (20), 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 15:17:46,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2024-11-09 15:17:46,233 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 20 transitions. [2024-11-09 15:17:46,233 INFO L425 stractBuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2024-11-09 15:17:46,233 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-09 15:17:46,234 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 20 transitions. [2024-11-09 15:17:46,234 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-09 15:17:46,234 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:17:46,234 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:17:46,234 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-09 15:17:46,235 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-09 15:17:46,235 INFO L745 eck$LassoCheckResult]: Stem: 107#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 108#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~bitwise2#1, main_~x~0#1, main_~y~0#1, main_~res~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~res~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 109#L16-2 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~y~0#1 > 0); 102#L17 [2024-11-09 15:17:46,235 INFO L747 eck$LassoCheckResult]: Loop: 102#L17 assume !(0 == main_~x~0#1 - 1 || 0 == main_~y~0#1); 96#L17-2 assume main_~x~0#1 - 1 == main_~y~0#1;main_#t~bitwise2#1 := main_~x~0#1 - 1; 97#L17-5 main_~x~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1; 105#L16-2 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~y~0#1 > 0); 102#L17 [2024-11-09 15:17:46,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:17:46,235 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2024-11-09 15:17:46,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:17:46,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351009349] [2024-11-09 15:17:46,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:17:46,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:17:46,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:17:46,239 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:17:46,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:17:46,241 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:17:46,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:17:46,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1419191, now seen corresponding path program 1 times [2024-11-09 15:17:46,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:17:46,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860994949] [2024-11-09 15:17:46,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:17:46,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:17:46,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:17:46,247 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:17:46,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:17:46,250 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:17:46,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:17:46,251 INFO L85 PathProgramCache]: Analyzing trace with hash 1810723038, now seen corresponding path program 1 times [2024-11-09 15:17:46,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:17:46,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274435326] [2024-11-09 15:17:46,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:17:46,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:17:46,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:17:46,256 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:17:46,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:17:46,260 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:17:46,289 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:17:46,290 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:17:46,290 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:17:46,290 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:17:46,290 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-09 15:17:46,290 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:46,290 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:17:46,290 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:17:46,290 INFO L132 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration2_Loop [2024-11-09 15:17:46,290 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:17:46,291 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:17:46,291 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:17:46,298 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:17:46,317 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:17:46,317 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-09 15:17:46,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:46,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:17:46,319 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 15:17:46,320 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 15:17:46,322 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-09 15:17:46,322 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:17:46,345 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-09 15:17:46,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:46,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:17:46,346 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 15:17:46,347 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 15:17:46,348 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-09 15:17:46,348 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:17:46,422 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-09 15:17:46,427 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-11-09 15:17:46,427 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:17:46,427 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:17:46,428 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:17:46,428 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:17:46,428 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-09 15:17:46,428 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:46,428 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:17:46,431 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:17:46,431 INFO L132 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration2_Loop [2024-11-09 15:17:46,431 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:17:46,431 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:17:46,433 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:17:46,446 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:17:46,466 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:17:46,466 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-09 15:17:46,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:46,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:17:46,470 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 15:17:46,471 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 15:17:46,472 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 15:17:46,497 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:17:46,498 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:17:46,498 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:17:46,498 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:17:46,498 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:17:46,499 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:17:46,499 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:17:46,502 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-09 15:17:46,508 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-09 15:17:46,509 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-09 15:17:46,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:46,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:17:46,510 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 15:17:46,516 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 15:17:46,517 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-09 15:17:46,517 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-09 15:17:46,517 INFO L474 LassoAnalysis]: Proved termination. [2024-11-09 15:17:46,517 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2024-11-09 15:17:46,536 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 15:17:46,538 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-09 15:17:46,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:17:46,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:17:46,552 INFO L255 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 15:17:46,552 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:17:46,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:17:46,559 WARN L253 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 15:17:46,560 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:17:46,591 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 15:17:46,591 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 15:17:46,592 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 20 transitions. cyclomatic complexity: 7 Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:17:46,619 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 20 transitions. cyclomatic complexity: 7. Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 34 states and 43 transitions. Complement of second has 9 states. [2024-11-09 15:17:46,620 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 15:17:46,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:17:46,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 8 transitions. [2024-11-09 15:17:46,621 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 8 transitions. Stem has 3 letters. Loop has 4 letters. [2024-11-09 15:17:46,621 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:17:46,621 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 8 transitions. Stem has 7 letters. Loop has 4 letters. [2024-11-09 15:17:46,621 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:17:46,621 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 8 transitions. Stem has 3 letters. Loop has 8 letters. [2024-11-09 15:17:46,621 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:17:46,621 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 43 transitions. [2024-11-09 15:17:46,622 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-09 15:17:46,623 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 28 states and 37 transitions. [2024-11-09 15:17:46,623 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-11-09 15:17:46,623 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-11-09 15:17:46,623 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 37 transitions. [2024-11-09 15:17:46,624 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-09 15:17:46,624 INFO L218 hiAutomatonCegarLoop]: Abstraction has 28 states and 37 transitions. [2024-11-09 15:17:46,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 37 transitions. [2024-11-09 15:17:46,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 26. [2024-11-09 15:17:46,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 25 states have internal predecessors, (35), 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 15:17:46,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 35 transitions. [2024-11-09 15:17:46,626 INFO L240 hiAutomatonCegarLoop]: Abstraction has 26 states and 35 transitions. [2024-11-09 15:17:46,626 INFO L425 stractBuchiCegarLoop]: Abstraction has 26 states and 35 transitions. [2024-11-09 15:17:46,626 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-09 15:17:46,626 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 35 transitions. [2024-11-09 15:17:46,627 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-09 15:17:46,627 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:17:46,627 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:17:46,627 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-09 15:17:46,627 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-09 15:17:46,627 INFO L745 eck$LassoCheckResult]: Stem: 202#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 203#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~bitwise2#1, main_~x~0#1, main_~y~0#1, main_~res~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~res~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 204#L16-2 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~y~0#1 > 0); 193#L17 assume !(0 == main_~x~0#1 - 1 || 0 == main_~y~0#1); 195#L17-2 assume !(main_~x~0#1 - 1 == main_~y~0#1); 199#L17-4 [2024-11-09 15:17:46,628 INFO L747 eck$LassoCheckResult]: Loop: 199#L17-4 havoc main_#t~bitwise2#1;assume (((((main_~x~0#1 - 1 < 0 && main_~y~0#1 >= 0) || main_#t~bitwise2#1 <= main_~x~0#1 - 1) && ((main_~x~0#1 - 1 >= 0 && main_~y~0#1 < 0) || main_#t~bitwise2#1 <= main_~y~0#1)) && ((main_~x~0#1 - 1 < 0 && main_~y~0#1 < 0) || main_#t~bitwise2#1 >= 0)) && ((main_~x~0#1 - 1 >= 0 && main_~y~0#1 >= 0) || main_#t~bitwise2#1 > main_~x~0#1 - 1 + main_~y~0#1)) && main_#t~bitwise2#1 >= -2147483648; 207#L17-5 main_~x~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1; 208#L16-2 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~y~0#1 > 0); 212#L17 assume !(0 == main_~x~0#1 - 1 || 0 == main_~y~0#1); 211#L17-2 assume !(main_~x~0#1 - 1 == main_~y~0#1); 199#L17-4 [2024-11-09 15:17:46,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:17:46,628 INFO L85 PathProgramCache]: Analyzing trace with hash 28699821, now seen corresponding path program 1 times [2024-11-09 15:17:46,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:17:46,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969199279] [2024-11-09 15:17:46,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:17:46,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:17:46,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:17:46,632 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:17:46,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:17:46,635 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:17:46,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:17:46,635 INFO L85 PathProgramCache]: Analyzing trace with hash 49672685, now seen corresponding path program 1 times [2024-11-09 15:17:46,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:17:46,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817441134] [2024-11-09 15:17:46,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:17:46,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:17:46,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:17:46,644 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:17:46,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:17:46,650 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:17:46,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:17:46,650 INFO L85 PathProgramCache]: Analyzing trace with hash -1483403071, now seen corresponding path program 1 times [2024-11-09 15:17:46,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:17:46,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033206557] [2024-11-09 15:17:46,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:17:46,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:17:46,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:17:46,659 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:17:46,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:17:46,666 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:17:46,723 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:17:46,723 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:17:46,724 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:17:46,724 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:17:46,724 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-09 15:17:46,724 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:46,724 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:17:46,724 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:17:46,724 INFO L132 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration3_Loop [2024-11-09 15:17:46,724 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:17:46,724 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:17:46,725 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:17:46,734 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:17:46,778 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-11-09 15:17:46,796 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-11-09 15:17:46,801 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:17:46,802 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-09 15:17:46,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:46,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:17:46,803 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 15:17:46,804 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 15:17:46,805 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-09 15:17:46,805 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:17:46,837 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 15:17:46,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:46,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:17:46,841 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 15:17:46,844 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 15:17:46,845 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-09 15:17:46,845 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:17:46,942 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-09 15:17:46,951 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-11-09 15:17:46,951 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:17:46,952 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:17:46,952 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:17:46,952 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:17:46,952 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-09 15:17:46,952 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:46,952 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:17:46,952 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:17:46,952 INFO L132 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration3_Loop [2024-11-09 15:17:46,952 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:17:46,952 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:17:46,953 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:17:46,958 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:17:47,010 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:17:47,011 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-09 15:17:47,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:47,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:17:47,015 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 15:17:47,017 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 15:17:47,020 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 15:17:47,028 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:17:47,028 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:17:47,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:17:47,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:17:47,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:17:47,029 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:17:47,030 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:17:47,032 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:17:47,043 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 15:17:47,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:47,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:17:47,046 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 15:17:47,049 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 15:17:47,050 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 15:17:47,061 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:17:47,061 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:17:47,061 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:17:47,061 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-09 15:17:47,062 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:17:47,064 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-09 15:17:47,064 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:17:47,069 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:17:47,080 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 15:17:47,080 INFO L451 LassoAnalysis]: Using template '2-nested'. [2024-11-09 15:17:47,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:47,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:17:47,085 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 15:17:47,086 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 15:17:47,088 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 15:17:47,098 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:17:47,099 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:17:47,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:17:47,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:17:47,099 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-09 15:17:47,100 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-09 15:17:47,100 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:17:47,101 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:17:47,114 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-11-09 15:17:47,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:47,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:17:47,116 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 15:17:47,117 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 15:17:47,117 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-09 15:17:47,127 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:17:47,128 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:17:47,128 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:17:47,128 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-09 15:17:47,128 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-09 15:17:47,137 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:17:47,137 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:17:47,141 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:17:47,152 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 15:17:47,152 INFO L451 LassoAnalysis]: Using template '3-nested'. [2024-11-09 15:17:47,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:47,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:17:47,154 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 15:17:47,155 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 15:17:47,156 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 15:17:47,166 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:17:47,166 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:17:47,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:17:47,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:17:47,167 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-09 15:17:47,171 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-09 15:17:47,171 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:17:47,173 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:17:47,184 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 15:17:47,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:47,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:17:47,187 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 15:17:47,188 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 15:17:47,190 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-09 15:17:47,201 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:17:47,201 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:17:47,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:17:47,201 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-09 15:17:47,201 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-09 15:17:47,204 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2024-11-09 15:17:47,204 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:17:47,208 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:17:47,218 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2024-11-09 15:17:47,219 INFO L451 LassoAnalysis]: Using template '4-nested'. [2024-11-09 15:17:47,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:47,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:17:47,221 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 15:17:47,222 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 15:17:47,222 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 15:17:47,232 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:17:47,232 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:17:47,233 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:17:47,233 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:17:47,233 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-11-09 15:17:47,234 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2024-11-09 15:17:47,234 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:17:47,235 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:17:47,245 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2024-11-09 15:17:47,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:47,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:17:47,247 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 15:17:47,248 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 15:17:47,249 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-09 15:17:47,259 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:17:47,259 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:17:47,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:17:47,260 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-09 15:17:47,260 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-11-09 15:17:47,262 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2024-11-09 15:17:47,263 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:17:47,267 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:17:47,279 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-11-09 15:17:47,279 INFO L451 LassoAnalysis]: Using template '2-phase'. [2024-11-09 15:17:47,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:47,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:17:47,281 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 15:17:47,282 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 15:17:47,283 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 15:17:47,293 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-09 15:17:47,293 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-11-09 15:17:47,293 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:17:47,294 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:17:47,294 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:17:47,294 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-09 15:17:47,294 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-09 15:17:47,295 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:17:47,298 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:17:47,308 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-11-09 15:17:47,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:47,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:17:47,310 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 15:17:47,311 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 15:17:47,311 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 15:17:47,321 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-09 15:17:47,321 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-11-09 15:17:47,321 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:17:47,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:17:47,322 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-09 15:17:47,322 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-09 15:17:47,324 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:17:47,324 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:17:47,329 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:17:47,340 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 15:17:47,340 INFO L451 LassoAnalysis]: Using template '3-phase'. [2024-11-09 15:17:47,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:47,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:17:47,346 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 15:17:47,347 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 15:17:47,347 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-09 15:17:47,370 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-09 15:17:47,370 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2024-11-09 15:17:47,370 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:17:47,370 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:17:47,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:17:47,371 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-09 15:17:47,375 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-09 15:17:47,375 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:17:47,379 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:17:47,398 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2024-11-09 15:17:47,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:47,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:17:47,401 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 15:17:47,402 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 15:17:47,406 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 15:17:47,425 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-09 15:17:47,425 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2024-11-09 15:17:47,425 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:17:47,425 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:17:47,425 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-09 15:17:47,425 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-09 15:17:47,436 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2024-11-09 15:17:47,437 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:17:47,454 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:17:47,476 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2024-11-09 15:17:47,476 INFO L451 LassoAnalysis]: Using template '4-phase'. [2024-11-09 15:17:47,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:47,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:17:47,477 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 15:17:47,481 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 15:17:47,482 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 15:17:47,502 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-09 15:17:47,502 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-11-09 15:17:47,502 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:17:47,503 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:17:47,503 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:17:47,503 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-11-09 15:17:47,508 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2024-11-09 15:17:47,508 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:17:47,515 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:17:47,537 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 15:17:47,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:47,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:17:47,539 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 15:17:47,541 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 15:17:47,542 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 15:17:47,567 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-09 15:17:47,567 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-11-09 15:17:47,567 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:17:47,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:17:47,568 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-09 15:17:47,568 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-11-09 15:17:47,572 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2024-11-09 15:17:47,572 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:17:47,596 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:17:47,618 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 15:17:47,618 INFO L451 LassoAnalysis]: Using template '2-lex'. [2024-11-09 15:17:47,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:47,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:17:47,623 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 15:17:47,625 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 15:17:47,626 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 15:17:47,649 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-09 15:17:47,649 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-11-09 15:17:47,649 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:17:47,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:17:47,649 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:17:47,649 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-09 15:17:47,650 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-09 15:17:47,650 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:17:47,655 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:17:47,673 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 15:17:47,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:47,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:17:47,675 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 15:17:47,676 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 15:17:47,677 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 15:17:47,687 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-09 15:17:47,687 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-11-09 15:17:47,687 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:17:47,688 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:17:47,688 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-09 15:17:47,688 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-09 15:17:47,690 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2024-11-09 15:17:47,690 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:17:47,697 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:17:47,709 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2024-11-09 15:17:47,709 INFO L451 LassoAnalysis]: Using template '3-lex'. [2024-11-09 15:17:47,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:47,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:17:47,710 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 15:17:47,714 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 15:17:47,715 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 15:17:47,740 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-09 15:17:47,740 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-11-09 15:17:47,740 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:17:47,741 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:17:47,741 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:17:47,741 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2024-11-09 15:17:47,742 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:17:47,742 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:17:47,745 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:17:47,755 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2024-11-09 15:17:47,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:47,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:17:47,759 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 15:17:47,759 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 15:17:47,760 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-09 15:17:47,771 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-09 15:17:47,771 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-11-09 15:17:47,771 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:17:47,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:17:47,771 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-09 15:17:47,771 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2024-11-09 15:17:47,774 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2024-11-09 15:17:47,774 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:17:47,786 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:17:47,798 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 15:17:47,822 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:17:47,823 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:17:47,823 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:17:47,823 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:17:47,823 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-09 15:17:47,823 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:47,823 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:17:47,823 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:17:47,823 INFO L132 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration3_Lasso [2024-11-09 15:17:47,823 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:17:47,823 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:17:47,824 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:17:47,825 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:17:47,827 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:17:47,829 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:17:47,842 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:17:47,844 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:17:47,923 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:17:47,923 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-09 15:17:47,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:47,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:17:47,925 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 15:17:47,928 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 15:17:47,929 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-09 15:17:47,929 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:17:47,940 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-09 15:17:47,940 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 15:17:47,950 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 15:17:47,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:47,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:17:47,952 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 15:17:47,953 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 15:17:47,953 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-09 15:17:47,954 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:17:47,965 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-09 15:17:47,965 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~res~0#1=0} Honda state: {ULTIMATE.start_main_~res~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-09 15:17:47,975 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2024-11-09 15:17:47,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:47,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:17:47,977 INFO L229 MonitoredProcess]: Starting monitored process 32 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 15:17:47,978 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-11-09 15:17:47,979 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-09 15:17:47,979 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:17:47,989 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-09 15:17:47,990 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1#1=0} Honda state: {ULTIMATE.start_main_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-09 15:17:48,002 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2024-11-09 15:17:48,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:48,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:17:48,004 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 15:17:48,005 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 15:17:48,005 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-09 15:17:48,005 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:17:48,033 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2024-11-09 15:17:48,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:48,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:17:48,035 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 15:17:48,036 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 15:17:48,036 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-09 15:17:48,036 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:17:48,134 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-09 15:17:48,139 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 15:17:48,139 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:17:48,140 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:17:48,140 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:17:48,140 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:17:48,140 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-09 15:17:48,140 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:48,140 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:17:48,140 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:17:48,140 INFO L132 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration3_Lasso [2024-11-09 15:17:48,140 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:17:48,140 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:17:48,141 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:17:48,153 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:17:48,155 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:17:48,157 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:17:48,158 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:17:48,160 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:17:48,237 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:17:48,237 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-09 15:17:48,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:48,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:17:48,238 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 15:17:48,239 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 15:17:48,240 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-09 15:17:48,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:17:48,250 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2024-11-09 15:17:48,250 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-09 15:17:48,250 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:17:48,255 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2024-11-09 15:17:48,255 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-11-09 15:17:48,267 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-09 15:17:48,287 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2024-11-09 15:17:48,287 INFO L444 ModelExtractionUtils]: 0 out of 16 variables were initially zero. Simplification set additionally 10 variables to zero. [2024-11-09 15:17:48,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:48,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:17:48,290 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 15:17:48,291 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 15:17:48,291 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-09 15:17:48,304 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 4. [2024-11-09 15:17:48,304 INFO L474 LassoAnalysis]: Proved termination. [2024-11-09 15:17:48,304 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [2*ULTIMATE.start_main_~x~0#1 - 1 >= 0, -3*ULTIMATE.start_main_~y~0#1 + 4*ULTIMATE.start_main_~x~0#1 >= 0] [2024-11-09 15:17:48,315 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2024-11-09 15:17:48,320 INFO L156 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2024-11-09 15:17:48,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:17:48,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:17:48,340 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 15:17:48,340 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:17:48,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:17:48,362 WARN L253 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 15:17:48,363 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:17:48,417 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2024-11-09 15:17:48,538 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 15:17:48,539 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 5 loop predicates [2024-11-09 15:17:48,539 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 13 Second operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 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 15:17:48,581 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 13. Second operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 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) Result 50 states and 68 transitions. Complement of second has 9 states. [2024-11-09 15:17:48,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-09 15:17:48,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 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 15:17:48,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 16 transitions. [2024-11-09 15:17:48,582 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 16 transitions. Stem has 5 letters. Loop has 5 letters. [2024-11-09 15:17:48,582 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:17:48,582 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 16 transitions. Stem has 10 letters. Loop has 5 letters. [2024-11-09 15:17:48,582 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:17:48,583 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 16 transitions. Stem has 5 letters. Loop has 10 letters. [2024-11-09 15:17:48,583 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:17:48,583 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 68 transitions. [2024-11-09 15:17:48,584 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-09 15:17:48,584 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 17 states and 20 transitions. [2024-11-09 15:17:48,584 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2024-11-09 15:17:48,584 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2024-11-09 15:17:48,584 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 20 transitions. [2024-11-09 15:17:48,584 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-09 15:17:48,584 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 20 transitions. [2024-11-09 15:17:48,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 20 transitions. [2024-11-09 15:17:48,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 13. [2024-11-09 15:17:48,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 12 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 15:17:48,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2024-11-09 15:17:48,585 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 15 transitions. [2024-11-09 15:17:48,585 INFO L425 stractBuchiCegarLoop]: Abstraction has 13 states and 15 transitions. [2024-11-09 15:17:48,585 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-09 15:17:48,586 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 15 transitions. [2024-11-09 15:17:48,586 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-09 15:17:48,586 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:17:48,586 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:17:48,586 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1] [2024-11-09 15:17:48,586 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-09 15:17:48,586 INFO L745 eck$LassoCheckResult]: Stem: 352#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 353#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~bitwise2#1, main_~x~0#1, main_~y~0#1, main_~res~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~res~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 350#L16-2 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~y~0#1 > 0); 348#L17 assume 0 == main_~x~0#1 - 1 || 0 == main_~y~0#1;main_#t~bitwise2#1 := 0; 349#L17-5 main_~x~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1; 355#L16-2 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~y~0#1 > 0); 347#L17 [2024-11-09 15:17:48,586 INFO L747 eck$LassoCheckResult]: Loop: 347#L17 assume !(0 == main_~x~0#1 - 1 || 0 == main_~y~0#1); 343#L17-2 assume main_~x~0#1 - 1 == main_~y~0#1;main_#t~bitwise2#1 := main_~x~0#1 - 1; 344#L17-5 main_~x~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1; 354#L16-2 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~y~0#1 > 0); 347#L17 [2024-11-09 15:17:48,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:17:48,587 INFO L85 PathProgramCache]: Analyzing trace with hash 889692633, now seen corresponding path program 2 times [2024-11-09 15:17:48,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:17:48,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450289249] [2024-11-09 15:17:48,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:17:48,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:17:48,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:17:48,629 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:17:48,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:17:48,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450289249] [2024-11-09 15:17:48,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450289249] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:17:48,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:17:48,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 15:17:48,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150328901] [2024-11-09 15:17:48,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:17:48,632 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-09 15:17:48,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:17:48,632 INFO L85 PathProgramCache]: Analyzing trace with hash 1419191, now seen corresponding path program 2 times [2024-11-09 15:17:48,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:17:48,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76883824] [2024-11-09 15:17:48,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:17:48,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:17:48,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:17:48,635 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:17:48,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:17:48,638 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:17:48,659 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:17:48,659 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:17:48,659 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:17:48,659 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:17:48,659 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-09 15:17:48,659 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:48,659 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:17:48,659 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:17:48,659 INFO L132 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration4_Loop [2024-11-09 15:17:48,659 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:17:48,659 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:17:48,659 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:17:48,661 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:17:48,681 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:17:48,681 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-09 15:17:48,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:48,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:17:48,682 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 15:17:48,686 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 15:17:48,687 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-09 15:17:48,687 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:17:48,702 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-09 15:17:48,702 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 15:17:48,716 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2024-11-09 15:17:48,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:48,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:17:48,717 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 15:17:48,718 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 15:17:48,719 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-09 15:17:48,719 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:17:48,740 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 15:17:48,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:48,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:17:48,742 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 15:17:48,743 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 15:17:48,744 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-09 15:17:48,744 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:17:48,816 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-09 15:17:48,821 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2024-11-09 15:17:48,821 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:17:48,821 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:17:48,821 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:17:48,821 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:17:48,821 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-09 15:17:48,821 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:48,821 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:17:48,821 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:17:48,821 INFO L132 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration4_Loop [2024-11-09 15:17:48,821 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:17:48,821 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:17:48,822 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:17:48,824 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:17:48,843 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:17:48,844 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-09 15:17:48,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:48,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:17:48,845 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 15:17:48,846 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 15:17:48,847 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 15:17:48,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:17:48,857 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:17:48,857 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:17:48,857 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:17:48,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:17:48,858 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:17:48,858 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:17:48,859 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:17:48,868 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2024-11-09 15:17:48,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:48,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:17:48,870 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 15:17:48,871 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 15:17:48,872 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 15:17:48,882 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:17:48,882 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:17:48,882 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:17:48,882 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:17:48,882 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:17:48,883 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:17:48,883 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:17:48,885 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-09 15:17:48,891 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2024-11-09 15:17:48,891 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 2 variables to zero. [2024-11-09 15:17:48,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:17:48,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:17:48,892 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 15:17:48,893 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 15:17:48,894 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-09 15:17:48,894 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-09 15:17:48,894 INFO L474 LassoAnalysis]: Proved termination. [2024-11-09 15:17:48,894 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2024-11-09 15:17:48,905 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2024-11-09 15:17:48,905 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-09 15:17:48,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:17:48,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:17:48,917 INFO L255 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 15:17:48,917 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:17:48,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:17:48,925 WARN L253 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 15:17:48,925 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:17:48,947 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 15:17:48,948 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 15:17:48,948 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 15 transitions. cyclomatic complexity: 4 Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 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 15:17:48,968 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 15 transitions. cyclomatic complexity: 4. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 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) Result 20 states and 23 transitions. Complement of second has 9 states. [2024-11-09 15:17:48,968 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 15:17:48,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 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 15:17:48,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 7 transitions. [2024-11-09 15:17:48,969 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 7 transitions. Stem has 6 letters. Loop has 4 letters. [2024-11-09 15:17:48,969 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:17:48,969 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-09 15:17:48,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:17:48,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:17:48,981 INFO L255 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 15:17:48,981 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:17:48,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:17:48,990 WARN L253 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 15:17:48,990 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:17:49,010 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 15:17:49,011 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 15:17:49,011 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 15 transitions. cyclomatic complexity: 4 Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 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 15:17:49,026 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 15 transitions. cyclomatic complexity: 4. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 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) Result 20 states and 23 transitions. Complement of second has 9 states. [2024-11-09 15:17:49,026 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 15:17:49,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 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 15:17:49,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 7 transitions. [2024-11-09 15:17:49,027 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 7 transitions. Stem has 6 letters. Loop has 4 letters. [2024-11-09 15:17:49,027 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:17:49,027 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-09 15:17:49,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:17:49,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:17:49,038 INFO L255 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 15:17:49,038 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:17:49,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:17:49,046 WARN L253 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 15:17:49,046 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:17:49,066 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 15:17:49,067 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 15:17:49,067 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 15 transitions. cyclomatic complexity: 4 Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 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 15:17:49,084 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 15 transitions. cyclomatic complexity: 4. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 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) Result 20 states and 23 transitions. Complement of second has 8 states. [2024-11-09 15:17:49,084 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 15:17:49,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 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 15:17:49,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2024-11-09 15:17:49,084 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 6 letters. Loop has 4 letters. [2024-11-09 15:17:49,085 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:17:49,085 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 10 letters. Loop has 4 letters. [2024-11-09 15:17:49,085 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:17:49,085 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 6 letters. Loop has 8 letters. [2024-11-09 15:17:49,085 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:17:49,085 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 23 transitions. [2024-11-09 15:17:49,085 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-09 15:17:49,085 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 0 states and 0 transitions. [2024-11-09 15:17:49,086 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-09 15:17:49,086 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-09 15:17:49,086 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-09 15:17:49,086 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-09 15:17:49,086 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 15:17:49,086 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 15:17:49,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:17:49,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 15:17:49,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 15:17:49,088 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 5 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:17:49,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 15:17:49,090 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2024-11-09 15:17:49,090 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2024-11-09 15:17:49,090 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-09 15:17:49,090 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 15:17:49,090 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-09 15:17:49,090 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-09 15:17:49,090 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-09 15:17:49,090 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-09 15:17:49,090 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 15:17:49,090 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 15:17:49,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 15:17:49,091 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 15:17:49,091 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-09 15:17:49,091 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-09 15:17:49,091 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-09 15:17:49,091 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-09 15:17:49,096 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.11 03:17:49 BoogieIcfgContainer [2024-11-09 15:17:49,096 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-09 15:17:49,096 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 15:17:49,096 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 15:17:49,096 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 15:17:49,097 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:17:45" (3/4) ... [2024-11-09 15:17:49,098 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 15:17:49,099 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 15:17:49,099 INFO L158 Benchmark]: Toolchain (without parser) took 4071.34ms. Allocated memory is still 172.0MB. Free memory was 106.6MB in the beginning and 67.8MB in the end (delta: 38.8MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. [2024-11-09 15:17:49,099 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 109.1MB. Free memory is still 71.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 15:17:49,099 INFO L158 Benchmark]: CACSL2BoogieTranslator took 169.38ms. Allocated memory is still 172.0MB. Free memory was 106.4MB in the beginning and 95.2MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 15:17:49,100 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.78ms. Allocated memory is still 172.0MB. Free memory was 95.2MB in the beginning and 145.4MB in the end (delta: -50.2MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2024-11-09 15:17:49,100 INFO L158 Benchmark]: Boogie Preprocessor took 28.55ms. Allocated memory is still 172.0MB. Free memory was 145.4MB in the beginning and 144.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 15:17:49,100 INFO L158 Benchmark]: RCFGBuilder took 169.06ms. Allocated memory is still 172.0MB. Free memory was 144.2MB in the beginning and 133.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 15:17:49,100 INFO L158 Benchmark]: BuchiAutomizer took 3625.84ms. Allocated memory is still 172.0MB. Free memory was 132.7MB in the beginning and 67.8MB in the end (delta: 64.9MB). Peak memory consumption was 67.7MB. Max. memory is 16.1GB. [2024-11-09 15:17:49,100 INFO L158 Benchmark]: Witness Printer took 2.59ms. Allocated memory is still 172.0MB. Free memory is still 67.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 15:17:49,101 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 109.1MB. Free memory is still 71.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 169.38ms. Allocated memory is still 172.0MB. Free memory was 106.4MB in the beginning and 95.2MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.78ms. Allocated memory is still 172.0MB. Free memory was 95.2MB in the beginning and 145.4MB in the end (delta: -50.2MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.55ms. Allocated memory is still 172.0MB. Free memory was 145.4MB in the beginning and 144.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 169.06ms. Allocated memory is still 172.0MB. Free memory was 144.2MB in the beginning and 133.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 3625.84ms. Allocated memory is still 172.0MB. Free memory was 132.7MB in the beginning and 67.8MB in the end (delta: 64.9MB). Peak memory consumption was 67.7MB. Max. memory is 16.1GB. * Witness Printer took 2.59ms. Allocated memory is still 172.0MB. Free memory is still 67.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (1 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function x and consists of 6 locations. One deterministic module has affine ranking function x and consists of 5 locations. One deterministic module has affine ranking function x and consists of 6 locations. One nondeterministic module has affine ranking function x and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.5s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 2.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 12 StatesRemovedByMinimization, 3 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 [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 52 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 47 mSDsluCounter, 36 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 144 IncrementalHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 27 mSDtfsCounter, 144 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso1 LassoPreprocessingBenchmarks: Lassos: inital19 mio100 ax100 hnf100 lsp94 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq170 hnf93 smp88 dnf120 smp96 tf107 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 67ms VariablesStem: 2 VariablesLoop: 3 DisjunctsStem: 2 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 20 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 5 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.6s 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 15:17:49,118 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2024-11-09 15:17:49,326 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE