./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-bwb/or-05-false.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-bwb/or-05-false.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 845007623a36603ce9e482c6d1c5ed14d19fc3060912cf335e291aaec83159aa --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 22:31:16,879 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 22:31:16,961 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-10 22:31:16,965 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 22:31:16,966 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 22:31:16,966 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-10 22:31:17,004 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 22:31:17,005 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 22:31:17,005 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 22:31:17,007 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 22:31:17,007 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 22:31:17,008 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 22:31:17,008 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 22:31:17,011 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 22:31:17,012 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-10 22:31:17,012 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-10 22:31:17,012 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-10 22:31:17,012 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-10 22:31:17,012 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-10 22:31:17,012 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-10 22:31:17,013 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 22:31:17,016 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-10 22:31:17,017 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 22:31:17,017 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 22:31:17,018 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-10 22:31:17,018 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-10 22:31:17,018 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-10 22:31:17,018 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 22:31:17,018 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 22:31:17,019 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 22:31:17,019 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-10 22:31:17,019 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 22:31:17,019 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 22:31:17,020 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 22:31:17,020 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 22:31:17,021 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 22:31:17,021 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-10 22:31:17,021 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 845007623a36603ce9e482c6d1c5ed14d19fc3060912cf335e291aaec83159aa [2024-11-10 22:31:17,238 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 22:31:17,261 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 22:31:17,264 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 22:31:17,265 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 22:31:17,265 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 22:31:17,267 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-bwb/or-05-false.c [2024-11-10 22:31:18,511 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 22:31:18,662 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 22:31:18,663 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-bwb/or-05-false.c [2024-11-10 22:31:18,671 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de2a8e5e3/50ce1daed212421fa054af4f0e7907f5/FLAGbb690ea96 [2024-11-10 22:31:19,076 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de2a8e5e3/50ce1daed212421fa054af4f0e7907f5 [2024-11-10 22:31:19,078 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 22:31:19,079 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 22:31:19,080 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 22:31:19,080 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 22:31:19,085 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 22:31:19,085 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:31:19" (1/1) ... [2024-11-10 22:31:19,086 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47ce2347 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:31:19, skipping insertion in model container [2024-11-10 22:31:19,086 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:31:19" (1/1) ... [2024-11-10 22:31:19,099 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 22:31:19,219 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 22:31:19,224 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 22:31:19,233 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 22:31:19,244 INFO L204 MainTranslator]: Completed translation [2024-11-10 22:31:19,245 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:31:19 WrapperNode [2024-11-10 22:31:19,245 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 22:31:19,246 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 22:31:19,246 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 22:31:19,246 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 22:31:19,251 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:31:19" (1/1) ... [2024-11-10 22:31:19,254 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:31:19" (1/1) ... [2024-11-10 22:31:19,266 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 26 [2024-11-10 22:31:19,266 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 22:31:19,267 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 22:31:19,267 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 22:31:19,267 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 22:31:19,274 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:31:19" (1/1) ... [2024-11-10 22:31:19,274 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:31:19" (1/1) ... [2024-11-10 22:31:19,275 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:31:19" (1/1) ... [2024-11-10 22:31:19,284 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-10 22:31:19,284 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:31:19" (1/1) ... [2024-11-10 22:31:19,284 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:31:19" (1/1) ... [2024-11-10 22:31:19,287 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:31:19" (1/1) ... [2024-11-10 22:31:19,287 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:31:19" (1/1) ... [2024-11-10 22:31:19,288 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:31:19" (1/1) ... [2024-11-10 22:31:19,289 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:31:19" (1/1) ... [2024-11-10 22:31:19,290 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 22:31:19,291 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 22:31:19,291 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 22:31:19,291 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 22:31:19,291 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:31:19" (1/1) ... [2024-11-10 22:31:19,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:31:19,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:31:19,317 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) [2024-11-10 22:31:19,319 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 [2024-11-10 22:31:19,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 22:31:19,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 22:31:19,402 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 22:31:19,403 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 22:31:19,483 INFO L? ?]: Removed 3 outVars from TransFormulas that were not future-live. [2024-11-10 22:31:19,483 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 22:31:19,504 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 22:31:19,505 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 22:31:19,505 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:31:19 BoogieIcfgContainer [2024-11-10 22:31:19,505 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 22:31:19,506 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-10 22:31:19,506 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-10 22:31:19,511 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-10 22:31:19,512 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 22:31:19,512 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 10:31:19" (1/3) ... [2024-11-10 22:31:19,513 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@43a4d45a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 10:31:19, skipping insertion in model container [2024-11-10 22:31:19,513 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 22:31:19,513 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:31:19" (2/3) ... [2024-11-10 22:31:19,513 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@43a4d45a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 10:31:19, skipping insertion in model container [2024-11-10 22:31:19,514 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 22:31:19,514 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:31:19" (3/3) ... [2024-11-10 22:31:19,516 INFO L332 chiAutomizerObserver]: Analyzing ICFG or-05-false.c [2024-11-10 22:31:19,572 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-10 22:31:19,573 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-10 22:31:19,573 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-10 22:31:19,573 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-10 22:31:19,574 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-10 22:31:19,574 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-10 22:31:19,574 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-10 22:31:19,574 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-10 22:31:19,581 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:31:19,597 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2024-11-10 22:31:19,598 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 22:31:19,598 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 22:31:19,602 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-10 22:31:19,602 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-10 22:31:19,603 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-10 22:31:19,603 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:31:19,604 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2024-11-10 22:31:19,605 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 22:31:19,605 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 22:31:19,605 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-10 22:31:19,605 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-10 22:31:19,612 INFO L745 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 6#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~bitwise1#1, main_~y~0#1, main_~x~0#1;havoc main_~y~0#1;havoc main_~x~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := 0; 12#L19true [2024-11-10 22:31:19,612 INFO L747 eck$LassoCheckResult]: Loop: 12#L19true assume true; 5#L19-1true assume !!(main_~x~0#1 > 0); 13#L20true assume !(1 == main_~y~0#1);main_~y~0#1 := 1;main_~x~0#1 := main_~x~0#1 + main_~y~0#1; 12#L19true [2024-11-10 22:31:19,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:31:19,621 INFO L85 PathProgramCache]: Analyzing trace with hash 1504, now seen corresponding path program 1 times [2024-11-10 22:31:19,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:31:19,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905135787] [2024-11-10 22:31:19,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:31:19,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:31:19,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:31:19,700 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:31:19,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:31:19,715 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:31:19,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:31:19,718 INFO L85 PathProgramCache]: Analyzing trace with hash 43658, now seen corresponding path program 1 times [2024-11-10 22:31:19,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:31:19,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727678793] [2024-11-10 22:31:19,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:31:19,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:31:19,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:31:19,726 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:31:19,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:31:19,731 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:31:19,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:31:19,733 INFO L85 PathProgramCache]: Analyzing trace with hash 44819531, now seen corresponding path program 1 times [2024-11-10 22:31:19,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:31:19,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042857206] [2024-11-10 22:31:19,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:31:19,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:31:19,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:31:19,739 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:31:19,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:31:19,746 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:31:19,821 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 22:31:19,821 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 22:31:19,822 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 22:31:19,822 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 22:31:19,822 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-10 22:31:19,822 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:31:19,822 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 22:31:19,822 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 22:31:19,822 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-05-false.c_Iteration1_Loop [2024-11-10 22:31:19,822 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 22:31:19,822 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 22:31:19,833 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:31:19,844 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:31:19,905 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 22:31:19,905 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-10 22:31:19,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:31:19,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:31:19,909 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) [2024-11-10 22:31:19,910 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 [2024-11-10 22:31:19,910 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-10 22:31:19,910 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:31:19,942 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 [2024-11-10 22:31:19,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:31:19,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:31:19,943 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) [2024-11-10 22:31:19,944 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 [2024-11-10 22:31:19,946 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-10 22:31:19,946 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:31:19,984 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-10 22:31:19,989 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-11-10 22:31:19,989 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 22:31:19,989 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 22:31:19,990 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 22:31:19,990 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 22:31:19,990 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-10 22:31:19,990 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:31:19,990 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 22:31:19,990 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 22:31:19,990 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-05-false.c_Iteration1_Loop [2024-11-10 22:31:19,990 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 22:31:19,990 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 22:31:19,991 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:31:20,000 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:31:20,046 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 22:31:20,050 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-10 22:31:20,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:31:20,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:31:20,053 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) [2024-11-10 22:31:20,055 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 [2024-11-10 22:31:20,059 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 [2024-11-10 22:31:20,071 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:31:20,071 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:31:20,072 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:31:20,072 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-10 22:31:20,072 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:31:20,075 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-10 22:31:20,075 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:31:20,079 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:31:20,090 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 [2024-11-10 22:31:20,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:31:20,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:31:20,092 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) [2024-11-10 22:31:20,093 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 [2024-11-10 22:31:20,099 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 [2024-11-10 22:31:20,110 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:31:20,110 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:31:20,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:31:20,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:31:20,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:31:20,111 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:31:20,111 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:31:20,114 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:31:20,126 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 [2024-11-10 22:31:20,127 INFO L451 LassoAnalysis]: Using template '2-nested'. [2024-11-10 22:31:20,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:31:20,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:31:20,129 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) [2024-11-10 22:31:20,129 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 [2024-11-10 22:31:20,130 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 [2024-11-10 22:31:20,141 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:31:20,141 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:31:20,141 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:31:20,141 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-10 22:31:20,141 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-10 22:31:20,144 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 22:31:20,144 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:31:20,150 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:31:20,161 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-11-10 22:31:20,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:31:20,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:31:20,164 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) [2024-11-10 22:31:20,166 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 [2024-11-10 22:31:20,167 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:31:20,177 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:31:20,178 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:31:20,178 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:31:20,178 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:31:20,178 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-10 22:31:20,179 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-10 22:31:20,179 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:31:20,182 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:31:20,192 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 [2024-11-10 22:31:20,192 INFO L451 LassoAnalysis]: Using template '3-nested'. [2024-11-10 22:31:20,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:31:20,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:31:20,194 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) [2024-11-10 22:31:20,194 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 [2024-11-10 22:31:20,195 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 [2024-11-10 22:31:20,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:31:20,205 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:31:20,206 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:31:20,206 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-10 22:31:20,206 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-10 22:31:20,208 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2024-11-10 22:31:20,208 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:31:20,212 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:31:20,224 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-11-10 22:31:20,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:31:20,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:31:20,226 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) [2024-11-10 22:31:20,240 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 [2024-11-10 22:31:20,243 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 [2024-11-10 22:31:20,254 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:31:20,254 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:31:20,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:31:20,254 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:31:20,255 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-10 22:31:20,256 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-10 22:31:20,256 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:31:20,258 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:31:20,270 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-11-10 22:31:20,271 INFO L451 LassoAnalysis]: Using template '4-nested'. [2024-11-10 22:31:20,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:31:20,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:31:20,273 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) [2024-11-10 22:31:20,274 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 [2024-11-10 22:31:20,275 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 [2024-11-10 22:31:20,286 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:31:20,286 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:31:20,286 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:31:20,287 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-10 22:31:20,287 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-11-10 22:31:20,292 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2024-11-10 22:31:20,292 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:31:20,297 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:31:20,308 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 [2024-11-10 22:31:20,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:31:20,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:31:20,310 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) [2024-11-10 22:31:20,311 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 [2024-11-10 22:31:20,312 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 [2024-11-10 22:31:20,322 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:31:20,322 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:31:20,323 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:31:20,323 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:31:20,323 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-11-10 22:31:20,324 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2024-11-10 22:31:20,324 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:31:20,327 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:31:20,338 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 [2024-11-10 22:31:20,338 INFO L451 LassoAnalysis]: Using template '2-phase'. [2024-11-10 22:31:20,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:31:20,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:31:20,341 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) [2024-11-10 22:31:20,341 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 [2024-11-10 22:31:20,342 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 [2024-11-10 22:31:20,353 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-10 22:31:20,353 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-11-10 22:31:20,353 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:31:20,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:31:20,353 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-10 22:31:20,353 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-10 22:31:20,356 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 22:31:20,356 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:31:20,362 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:31:20,373 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-11-10 22:31:20,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:31:20,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:31:20,375 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) [2024-11-10 22:31:20,376 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 [2024-11-10 22:31:20,377 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:31:20,388 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-10 22:31:20,388 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-11-10 22:31:20,388 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:31:20,388 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:31:20,388 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:31:20,388 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-10 22:31:20,390 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-10 22:31:20,390 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:31:20,395 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:31:20,406 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 [2024-11-10 22:31:20,406 INFO L451 LassoAnalysis]: Using template '3-phase'. [2024-11-10 22:31:20,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:31:20,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:31:20,411 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) [2024-11-10 22:31:20,412 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 [2024-11-10 22:31:20,417 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 [2024-11-10 22:31:20,431 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-10 22:31:20,431 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2024-11-10 22:31:20,432 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:31:20,432 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:31:20,432 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-10 22:31:20,432 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-10 22:31:20,437 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2024-11-10 22:31:20,437 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:31:20,447 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:31:20,458 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-11-10 22:31:20,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:31:20,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:31:20,460 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) [2024-11-10 22:31:20,461 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 [2024-11-10 22:31:20,461 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 [2024-11-10 22:31:20,471 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-10 22:31:20,472 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2024-11-10 22:31:20,472 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:31:20,472 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:31:20,472 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:31:20,475 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-10 22:31:20,481 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-10 22:31:20,484 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:31:20,490 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:31:20,502 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 [2024-11-10 22:31:20,502 INFO L451 LassoAnalysis]: Using template '4-phase'. [2024-11-10 22:31:20,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:31:20,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:31:20,504 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) [2024-11-10 22:31:20,507 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 [2024-11-10 22:31:20,508 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 [2024-11-10 22:31:20,519 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-10 22:31:20,519 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-11-10 22:31:20,519 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:31:20,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:31:20,519 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-10 22:31:20,519 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-11-10 22:31:20,525 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2024-11-10 22:31:20,525 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:31:20,538 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:31:20,549 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-11-10 22:31:20,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:31:20,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:31:20,552 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) [2024-11-10 22:31:20,553 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 [2024-11-10 22:31:20,555 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 [2024-11-10 22:31:20,566 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-10 22:31:20,567 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-11-10 22:31:20,567 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:31:20,567 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:31:20,567 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:31:20,568 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-11-10 22:31:20,571 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2024-11-10 22:31:20,571 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:31:20,581 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:31:20,592 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 [2024-11-10 22:31:20,592 INFO L451 LassoAnalysis]: Using template '2-lex'. [2024-11-10 22:31:20,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:31:20,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:31:20,594 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) [2024-11-10 22:31:20,595 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 [2024-11-10 22:31:20,596 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 [2024-11-10 22:31:20,606 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-10 22:31:20,607 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-11-10 22:31:20,607 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:31:20,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:31:20,607 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-10 22:31:20,607 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-10 22:31:20,609 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2024-11-10 22:31:20,610 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:31:20,615 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:31:20,627 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 [2024-11-10 22:31:20,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:31:20,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:31:20,629 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) [2024-11-10 22:31:20,634 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 [2024-11-10 22:31:20,635 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 [2024-11-10 22:31:20,645 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-10 22:31:20,645 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-11-10 22:31:20,645 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:31:20,645 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:31:20,645 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:31:20,646 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-10 22:31:20,647 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-10 22:31:20,647 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:31:20,651 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:31:20,662 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2024-11-10 22:31:20,663 INFO L451 LassoAnalysis]: Using template '3-lex'. [2024-11-10 22:31:20,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:31:20,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:31:20,665 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) [2024-11-10 22:31:20,667 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 [2024-11-10 22:31:20,668 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 [2024-11-10 22:31:20,679 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-10 22:31:20,679 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-11-10 22:31:20,679 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:31:20,679 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:31:20,679 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-10 22:31:20,679 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2024-11-10 22:31:20,682 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2024-11-10 22:31:20,683 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:31:20,691 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:31:20,702 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2024-11-10 22:31:20,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:31:20,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:31:20,703 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) [2024-11-10 22:31:20,704 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 [2024-11-10 22:31:20,705 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 [2024-11-10 22:31:20,715 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-10 22:31:20,715 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-11-10 22:31:20,715 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:31:20,715 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:31:20,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:31:20,715 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2024-11-10 22:31:20,717 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 22:31:20,717 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:31:20,723 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:31:20,734 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 [2024-11-10 22:31:20,742 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 22:31:20,742 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 22:31:20,742 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 22:31:20,743 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 22:31:20,743 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-10 22:31:20,743 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:31:20,743 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 22:31:20,743 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 22:31:20,743 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-05-false.c_Iteration1_Lasso [2024-11-10 22:31:20,743 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 22:31:20,743 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 22:31:20,745 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:31:20,753 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:31:20,756 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:31:20,758 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:31:20,762 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:31:20,811 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 22:31:20,812 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-10 22:31:20,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:31:20,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:31:20,814 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) [2024-11-10 22:31:20,816 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 [2024-11-10 22:31:20,817 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-10 22:31:20,817 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:31:20,839 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-11-10 22:31:20,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:31:20,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:31:20,840 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) [2024-11-10 22:31:20,842 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 [2024-11-10 22:31:20,843 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-10 22:31:20,843 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:31:20,870 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-10 22:31:20,874 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 [2024-11-10 22:31:20,875 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 22:31:20,875 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 22:31:20,875 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 22:31:20,875 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 22:31:20,875 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-10 22:31:20,875 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:31:20,875 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 22:31:20,875 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 22:31:20,875 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-05-false.c_Iteration1_Lasso [2024-11-10 22:31:20,875 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 22:31:20,875 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 22:31:20,876 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:31:20,883 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:31:20,885 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:31:20,888 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:31:20,891 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:31:20,941 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 22:31:20,941 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-10 22:31:20,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:31:20,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:31:20,943 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) [2024-11-10 22:31:20,945 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 [2024-11-10 22:31:20,947 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 [2024-11-10 22:31:20,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:31:20,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:31:20,957 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-10 22:31:20,957 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:31:20,965 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2024-11-10 22:31:20,966 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-11-10 22:31:20,975 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-10 22:31:20,991 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-11-10 22:31:20,993 INFO L444 ModelExtractionUtils]: 3 out of 11 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-10 22:31:20,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:31:20,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:31:20,997 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) [2024-11-10 22:31:21,000 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 [2024-11-10 22:31:21,000 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-10 22:31:21,014 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2024-11-10 22:31:21,014 INFO L474 LassoAnalysis]: Proved termination. [2024-11-10 22:31:21,015 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = -2*ULTIMATE.start_main_~y~0#1 + 3 Supporting invariants [-1*ULTIMATE.start_main_~y~0#1 + 1 >= 0] [2024-11-10 22:31:21,026 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 [2024-11-10 22:31:21,031 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2024-11-10 22:31:21,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:31:21,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:31:21,074 WARN L253 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 22:31:21,074 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:31:21,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:31:21,085 WARN L253 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 22:31:21,086 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:31:21,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:31:21,130 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-10 22:31:21,131 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 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) [2024-11-10 22:31:21,182 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 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 29 states and 39 transitions. Complement of second has 6 states. [2024-11-10 22:31:21,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-10 22:31:21,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 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) [2024-11-10 22:31:21,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2024-11-10 22:31:21,189 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 2 letters. Loop has 3 letters. [2024-11-10 22:31:21,190 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:31:21,190 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 5 letters. Loop has 3 letters. [2024-11-10 22:31:21,190 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:31:21,190 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 2 letters. Loop has 6 letters. [2024-11-10 22:31:21,190 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:31:21,191 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 39 transitions. [2024-11-10 22:31:21,192 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2024-11-10 22:31:21,194 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 19 states and 26 transitions. [2024-11-10 22:31:21,195 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-11-10 22:31:21,195 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-11-10 22:31:21,196 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 26 transitions. [2024-11-10 22:31:21,196 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-10 22:31:21,196 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 26 transitions. [2024-11-10 22:31:21,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 26 transitions. [2024-11-10 22:31:21,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2024-11-10 22:31:21,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:31:21,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 25 transitions. [2024-11-10 22:31:21,215 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 25 transitions. [2024-11-10 22:31:21,215 INFO L425 stractBuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2024-11-10 22:31:21,215 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-10 22:31:21,215 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 25 transitions. [2024-11-10 22:31:21,216 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2024-11-10 22:31:21,216 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 22:31:21,216 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 22:31:21,216 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-10 22:31:21,216 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-10 22:31:21,216 INFO L745 eck$LassoCheckResult]: Stem: 95#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 96#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~bitwise1#1, main_~y~0#1, main_~x~0#1;havoc main_~y~0#1;havoc main_~x~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := 0; 97#L19 assume true; 100#L19-1 [2024-11-10 22:31:21,216 INFO L747 eck$LassoCheckResult]: Loop: 100#L19-1 assume !!(main_~x~0#1 > 0); 101#L20 assume 1 == main_~y~0#1; 104#L21-4 assume 0 == main_~y~0#1 || main_~y~0#1 == 1 + main_~y~0#1;main_#t~bitwise1#1 := 1 + main_~y~0#1; 90#L21 main_~x~0#1 := main_#t~bitwise1#1;havoc main_#t~bitwise1#1;main_~x~0#1 := main_~x~0#1 + main_~y~0#1; 98#L19 assume true; 100#L19-1 [2024-11-10 22:31:21,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:31:21,217 INFO L85 PathProgramCache]: Analyzing trace with hash 46638, now seen corresponding path program 1 times [2024-11-10 22:31:21,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:31:21,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50294500] [2024-11-10 22:31:21,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:31:21,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:31:21,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:31:21,220 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:31:21,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:31:21,221 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:31:21,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:31:21,222 INFO L85 PathProgramCache]: Analyzing trace with hash 40966576, now seen corresponding path program 1 times [2024-11-10 22:31:21,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:31:21,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862423546] [2024-11-10 22:31:21,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:31:21,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:31:21,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:31:21,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:31:21,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:31:21,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862423546] [2024-11-10 22:31:21,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862423546] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:31:21,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:31:21,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 22:31:21,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738238035] [2024-11-10 22:31:21,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:31:21,268 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-10 22:31:21,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:31:21,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 22:31:21,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 22:31:21,272 INFO L87 Difference]: Start difference. First operand 18 states and 25 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 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) [2024-11-10 22:31:21,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 22:31:21,287 INFO L93 Difference]: Finished difference Result 22 states and 26 transitions. [2024-11-10 22:31:21,287 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 26 transitions. [2024-11-10 22:31:21,288 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2024-11-10 22:31:21,288 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 22 states and 26 transitions. [2024-11-10 22:31:21,289 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2024-11-10 22:31:21,289 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2024-11-10 22:31:21,289 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 26 transitions. [2024-11-10 22:31:21,289 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-10 22:31:21,289 INFO L218 hiAutomatonCegarLoop]: Abstraction has 22 states and 26 transitions. [2024-11-10 22:31:21,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 26 transitions. [2024-11-10 22:31:21,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 18. [2024-11-10 22:31:21,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 17 states have internal predecessors, (21), 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) [2024-11-10 22:31:21,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2024-11-10 22:31:21,290 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 21 transitions. [2024-11-10 22:31:21,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 22:31:21,291 INFO L425 stractBuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2024-11-10 22:31:21,292 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-10 22:31:21,292 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 21 transitions. [2024-11-10 22:31:21,292 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2024-11-10 22:31:21,292 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 22:31:21,292 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 22:31:21,293 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-10 22:31:21,293 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:31:21,293 INFO L745 eck$LassoCheckResult]: Stem: 139#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 140#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~bitwise1#1, main_~y~0#1, main_~x~0#1;havoc main_~y~0#1;havoc main_~x~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := 0; 141#L19 assume true; 146#L19-1 [2024-11-10 22:31:21,293 INFO L747 eck$LassoCheckResult]: Loop: 146#L19-1 assume !!(main_~x~0#1 > 0); 147#L20 assume 1 == main_~y~0#1; 150#L21-4 assume !(0 == main_~y~0#1 || main_~y~0#1 == 1 + main_~y~0#1); 135#L21-3 assume !(0 == 1 + main_~y~0#1); 136#L21-2 havoc main_#t~bitwise1#1;assume (((((main_~y~0#1 < 0 && 1 + main_~y~0#1 >= 0) || main_#t~bitwise1#1 >= 1 + main_~y~0#1) && ((main_~y~0#1 >= 0 && 1 + main_~y~0#1 < 0) || main_#t~bitwise1#1 >= main_~y~0#1)) && ((main_~y~0#1 < 0 || 1 + main_~y~0#1 < 0) || main_#t~bitwise1#1 <= main_~y~0#1 + (1 + main_~y~0#1))) && ((main_~y~0#1 >= 0 && 1 + main_~y~0#1 >= 0) || main_#t~bitwise1#1 < 0)) && main_#t~bitwise1#1 <= 2147483647; 142#L21 main_~x~0#1 := main_#t~bitwise1#1;havoc main_#t~bitwise1#1;main_~x~0#1 := main_~x~0#1 + main_~y~0#1; 143#L19 assume true; 146#L19-1 [2024-11-10 22:31:21,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:31:21,293 INFO L85 PathProgramCache]: Analyzing trace with hash 46638, now seen corresponding path program 2 times [2024-11-10 22:31:21,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:31:21,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380482760] [2024-11-10 22:31:21,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:31:21,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:31:21,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:31:21,296 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:31:21,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:31:21,297 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:31:21,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:31:21,298 INFO L85 PathProgramCache]: Analyzing trace with hash 718945344, now seen corresponding path program 1 times [2024-11-10 22:31:21,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:31:21,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612269115] [2024-11-10 22:31:21,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:31:21,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:31:21,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:31:21,303 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:31:21,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:31:21,308 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:31:21,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:31:21,309 INFO L85 PathProgramCache]: Analyzing trace with hash -2091538061, now seen corresponding path program 1 times [2024-11-10 22:31:21,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:31:21,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932678414] [2024-11-10 22:31:21,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:31:21,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:31:21,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:31:21,335 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:31:21,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:31:21,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932678414] [2024-11-10 22:31:21,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932678414] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:31:21,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:31:21,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 22:31:21,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969771629] [2024-11-10 22:31:21,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:31:21,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:31:21,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 22:31:21,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 22:31:21,407 INFO L87 Difference]: Start difference. First operand 18 states and 21 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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) [2024-11-10 22:31:21,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 22:31:21,418 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions. [2024-11-10 22:31:21,418 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 24 transitions. [2024-11-10 22:31:21,419 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2024-11-10 22:31:21,419 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 20 states and 22 transitions. [2024-11-10 22:31:21,419 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-11-10 22:31:21,419 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-11-10 22:31:21,419 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 22 transitions. [2024-11-10 22:31:21,419 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-10 22:31:21,419 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 22 transitions. [2024-11-10 22:31:21,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 22 transitions. [2024-11-10 22:31:21,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2024-11-10 22:31:21,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.1) internal successors, (22), 19 states have internal predecessors, (22), 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) [2024-11-10 22:31:21,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 22 transitions. [2024-11-10 22:31:21,421 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 22 transitions. [2024-11-10 22:31:21,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 22:31:21,422 INFO L425 stractBuchiCegarLoop]: Abstraction has 20 states and 22 transitions. [2024-11-10 22:31:21,422 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-10 22:31:21,422 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 22 transitions. [2024-11-10 22:31:21,422 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2024-11-10 22:31:21,422 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 22:31:21,422 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 22:31:21,423 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1] [2024-11-10 22:31:21,423 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:31:21,423 INFO L745 eck$LassoCheckResult]: Stem: 187#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 188#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~bitwise1#1, main_~y~0#1, main_~x~0#1;havoc main_~y~0#1;havoc main_~x~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := 0; 189#L19 assume true; 196#L19-1 assume !!(main_~x~0#1 > 0); 197#L20 assume !(1 == main_~y~0#1);main_~y~0#1 := 1;main_~x~0#1 := main_~x~0#1 + main_~y~0#1; 201#L19 assume true; 194#L19-1 [2024-11-10 22:31:21,423 INFO L747 eck$LassoCheckResult]: Loop: 194#L19-1 assume !!(main_~x~0#1 > 0); 195#L20 assume 1 == main_~y~0#1; 198#L21-4 assume !(0 == main_~y~0#1 || main_~y~0#1 == 1 + main_~y~0#1); 183#L21-3 assume !(0 == 1 + main_~y~0#1); 184#L21-2 havoc main_#t~bitwise1#1;assume (((((main_~y~0#1 < 0 && 1 + main_~y~0#1 >= 0) || main_#t~bitwise1#1 >= 1 + main_~y~0#1) && ((main_~y~0#1 >= 0 && 1 + main_~y~0#1 < 0) || main_#t~bitwise1#1 >= main_~y~0#1)) && ((main_~y~0#1 < 0 || 1 + main_~y~0#1 < 0) || main_#t~bitwise1#1 <= main_~y~0#1 + (1 + main_~y~0#1))) && ((main_~y~0#1 >= 0 && 1 + main_~y~0#1 >= 0) || main_#t~bitwise1#1 < 0)) && main_#t~bitwise1#1 <= 2147483647; 190#L21 main_~x~0#1 := main_#t~bitwise1#1;havoc main_#t~bitwise1#1;main_~x~0#1 := main_~x~0#1 + main_~y~0#1; 191#L19 assume true; 194#L19-1 [2024-11-10 22:31:21,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:31:21,423 INFO L85 PathProgramCache]: Analyzing trace with hash 1389405475, now seen corresponding path program 2 times [2024-11-10 22:31:21,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:31:21,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440753908] [2024-11-10 22:31:21,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:31:21,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:31:21,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:31:21,427 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:31:21,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:31:21,429 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:31:21,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:31:21,430 INFO L85 PathProgramCache]: Analyzing trace with hash 718945344, now seen corresponding path program 2 times [2024-11-10 22:31:21,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:31:21,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895144086] [2024-11-10 22:31:21,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:31:21,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:31:21,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:31:21,435 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:31:21,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:31:21,441 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:31:21,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:31:21,443 INFO L85 PathProgramCache]: Analyzing trace with hash -69341986, now seen corresponding path program 1 times [2024-11-10 22:31:21,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:31:21,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909836119] [2024-11-10 22:31:21,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:31:21,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:31:21,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:31:21,449 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:31:21,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:31:21,454 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:31:21,498 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-11-10 22:31:21,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:31:21,573 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:31:21,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:31:21,584 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 10:31:21 BoogieIcfgContainer [2024-11-10 22:31:21,584 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-10 22:31:21,585 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 22:31:21,585 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 22:31:21,585 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 22:31:21,585 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:31:19" (3/4) ... [2024-11-10 22:31:21,587 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-10 22:31:21,588 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 22:31:21,590 INFO L158 Benchmark]: Toolchain (without parser) took 2509.34ms. Allocated memory was 163.6MB in the beginning and 266.3MB in the end (delta: 102.8MB). Free memory was 109.5MB in the beginning and 225.5MB in the end (delta: -116.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 22:31:21,590 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 163.6MB. Free memory is still 128.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 22:31:21,591 INFO L158 Benchmark]: CACSL2BoogieTranslator took 164.87ms. Allocated memory is still 163.6MB. Free memory was 109.1MB in the beginning and 98.1MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-10 22:31:21,591 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.62ms. Allocated memory is still 163.6MB. Free memory was 98.1MB in the beginning and 96.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 22:31:21,593 INFO L158 Benchmark]: Boogie Preprocessor took 23.19ms. Allocated memory is still 163.6MB. Free memory was 96.6MB in the beginning and 95.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 22:31:21,593 INFO L158 Benchmark]: IcfgBuilder took 214.70ms. Allocated memory is still 163.6MB. Free memory was 95.2MB in the beginning and 85.1MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-10 22:31:21,594 INFO L158 Benchmark]: BuchiAutomizer took 2078.44ms. Allocated memory was 163.6MB in the beginning and 266.3MB in the end (delta: 102.8MB). Free memory was 85.1MB in the beginning and 226.5MB in the end (delta: -141.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 22:31:21,594 INFO L158 Benchmark]: Witness Printer took 3.36ms. Allocated memory is still 266.3MB. Free memory was 226.5MB in the beginning and 225.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 22:31:21,595 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 163.6MB. Free memory is still 128.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 164.87ms. Allocated memory is still 163.6MB. Free memory was 109.1MB in the beginning and 98.1MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.62ms. Allocated memory is still 163.6MB. Free memory was 98.1MB in the beginning and 96.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.19ms. Allocated memory is still 163.6MB. Free memory was 96.6MB in the beginning and 95.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 214.70ms. Allocated memory is still 163.6MB. Free memory was 95.2MB in the beginning and 85.1MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 2078.44ms. Allocated memory was 163.6MB in the beginning and 266.3MB in the end (delta: 102.8MB). Free memory was 85.1MB in the beginning and 226.5MB in the end (delta: -141.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.36ms. Allocated memory is still 266.3MB. Free memory was 226.5MB in the beginning and 225.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (2 trivial, 1 deterministic, 0 nondeterministic) and one module whose termination is unknown.One deterministic module has affine ranking function (3 + ((long) -2 * y)) and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 20 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.0s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 1.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 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 [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 18 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18 mSDsluCounter, 33 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 32 IncrementalHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 23 mSDtfsCounter, 32 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax100 hnf100 lsp58 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf94 smp100 dnf132 smp100 tf104 neg100 sie115 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 72ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer cannot decide termination for the following lasso because it contains the following overapproximations. Overapproximations C: y|(y+1) [21] (Reason bitwiseOr) Lasso Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~bitwise1#1, main_~y~0#1, main_~x~0#1;havoc main_~y~0#1;havoc main_~x~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := 0;" "assume true;" "assume !!(main_~x~0#1 > 0);" "assume !(1 == main_~y~0#1);main_~y~0#1 := 1;main_~x~0#1 := main_~x~0#1 + main_~y~0#1;" "assume true;" Loop: "assume !!(main_~x~0#1 > 0);" "assume 1 == main_~y~0#1;" "assume !(0 == main_~y~0#1 || main_~y~0#1 == 1 + main_~y~0#1);" "assume !(0 == 1 + main_~y~0#1);" "havoc main_#t~bitwise1#1;assume (((((main_~y~0#1 < 0 && 1 + main_~y~0#1 >= 0) || main_#t~bitwise1#1 >= 1 + main_~y~0#1) && ((main_~y~0#1 >= 0 && 1 + main_~y~0#1 < 0) || main_#t~bitwise1#1 >= main_~y~0#1)) && ((main_~y~0#1 < 0 || 1 + main_~y~0#1 < 0) || main_#t~bitwise1#1 <= main_~y~0#1 + (1 + main_~y~0#1))) && ((main_~y~0#1 >= 0 && 1 + main_~y~0#1 >= 0) || main_#t~bitwise1#1 < 0)) && main_#t~bitwise1#1 <= 2147483647;" "main_~x~0#1 := main_#t~bitwise1#1;havoc main_#t~bitwise1#1;main_~x~0#1 := main_~x~0#1 + main_~y~0#1;" "assume true;" RESULT: Ultimate could not prove your program: unable to determine termination [2024-11-10 22:31:21,627 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 Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN