./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-crafted/TelAviv-Amir-Minimum.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-crafted/TelAviv-Amir-Minimum.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 27dab8f9dd6de13395a492c9fbbcffd97b1fd9082fe91b0943ef2aaae430e414 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-23 02:05:22,495 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 02:05:22,554 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-23 02:05:22,559 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 02:05:22,561 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 02:05:22,586 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 02:05:22,587 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 02:05:22,587 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 02:05:22,588 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 02:05:22,589 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 02:05:22,590 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 02:05:22,590 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 02:05:22,591 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 02:05:22,591 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-23 02:05:22,593 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-23 02:05:22,593 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-23 02:05:22,593 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-23 02:05:22,593 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-23 02:05:22,594 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-23 02:05:22,594 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 02:05:22,594 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-23 02:05:22,595 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 02:05:22,595 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 02:05:22,596 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-23 02:05:22,596 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-23 02:05:22,596 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-23 02:05:22,596 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-23 02:05:22,597 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 02:05:22,597 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 02:05:22,597 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-23 02:05:22,597 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 02:05:22,598 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 02:05:22,598 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 02:05:22,598 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 02:05:22,598 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 02:05:22,599 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-23 02:05:22,599 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 27dab8f9dd6de13395a492c9fbbcffd97b1fd9082fe91b0943ef2aaae430e414 [2024-11-23 02:05:22,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 02:05:22,843 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 02:05:22,845 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 02:05:22,847 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 02:05:22,847 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 02:05:22,848 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/TelAviv-Amir-Minimum.c [2024-11-23 02:05:24,049 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-23 02:05:24,199 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 02:05:24,199 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/TelAviv-Amir-Minimum.c [2024-11-23 02:05:24,204 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7328a5448/8be3481a34fa4ef9a9f214336795bfd5/FLAGeeb27bbc8 [2024-11-23 02:05:24,214 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7328a5448/8be3481a34fa4ef9a9f214336795bfd5 [2024-11-23 02:05:24,216 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 02:05:24,217 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 02:05:24,220 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 02:05:24,220 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 02:05:24,224 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 02:05:24,225 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:05:24" (1/1) ... [2024-11-23 02:05:24,226 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1464effe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:24, skipping insertion in model container [2024-11-23 02:05:24,226 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:05:24" (1/1) ... [2024-11-23 02:05:24,239 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 02:05:24,358 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 02:05:24,362 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 02:05:24,371 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 02:05:24,381 INFO L204 MainTranslator]: Completed translation [2024-11-23 02:05:24,381 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:24 WrapperNode [2024-11-23 02:05:24,381 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 02:05:24,382 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 02:05:24,382 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 02:05:24,382 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 02:05:24,387 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:24" (1/1) ... [2024-11-23 02:05:24,390 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:24" (1/1) ... [2024-11-23 02:05:24,401 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 32 [2024-11-23 02:05:24,401 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 02:05:24,402 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 02:05:24,402 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 02:05:24,402 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 02:05:24,410 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:24" (1/1) ... [2024-11-23 02:05:24,410 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:24" (1/1) ... [2024-11-23 02:05:24,411 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:24" (1/1) ... [2024-11-23 02:05:24,415 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-23 02:05:24,415 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:24" (1/1) ... [2024-11-23 02:05:24,415 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:24" (1/1) ... [2024-11-23 02:05:24,416 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:24" (1/1) ... [2024-11-23 02:05:24,419 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:24" (1/1) ... [2024-11-23 02:05:24,420 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:24" (1/1) ... [2024-11-23 02:05:24,420 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:24" (1/1) ... [2024-11-23 02:05:24,421 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 02:05:24,421 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 02:05:24,421 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 02:05:24,422 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 02:05:24,422 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:24" (1/1) ... [2024-11-23 02:05:24,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:24,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:24,449 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) [2024-11-23 02:05:24,451 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 [2024-11-23 02:05:24,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 02:05:24,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 02:05:24,580 INFO L238 CfgBuilder]: Building ICFG [2024-11-23 02:05:24,582 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 02:05:24,645 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-23 02:05:24,645 INFO L287 CfgBuilder]: Performing block encoding [2024-11-23 02:05:24,653 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 02:05:24,654 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-23 02:05:24,654 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:05:24 BoogieIcfgContainer [2024-11-23 02:05:24,654 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 02:05:24,655 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-23 02:05:24,655 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-23 02:05:24,658 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-23 02:05:24,659 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 02:05:24,659 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 02:05:24" (1/3) ... [2024-11-23 02:05:24,659 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@73db2528 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:05:24, skipping insertion in model container [2024-11-23 02:05:24,659 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 02:05:24,660 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:24" (2/3) ... [2024-11-23 02:05:24,660 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@73db2528 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:05:24, skipping insertion in model container [2024-11-23 02:05:24,660 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 02:05:24,660 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:05:24" (3/3) ... [2024-11-23 02:05:24,661 INFO L332 chiAutomizerObserver]: Analyzing ICFG TelAviv-Amir-Minimum.c [2024-11-23 02:05:24,719 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-23 02:05:24,720 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-23 02:05:24,720 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-23 02:05:24,720 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-23 02:05:24,720 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-23 02:05:24,720 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-23 02:05:24,720 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-23 02:05:24,720 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-23 02:05:24,724 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 02:05:24,744 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-23 02:05:24,744 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:05:24,744 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:05:24,749 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-23 02:05:24,752 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-23 02:05:24,756 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-23 02:05:24,757 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 02:05:24,758 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-23 02:05:24,758 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:05:24,758 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:05:24,759 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-23 02:05:24,759 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-23 02:05:24,767 INFO L745 eck$LassoCheckResult]: Stem: 8#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 12#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 3#L25-2true [2024-11-23 02:05:24,767 INFO L747 eck$LassoCheckResult]: Loop: 3#L25-2true assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1; 7#L25true assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; 9#L33true assume main_~x~0#1 < main_~y~0#1;main_~x~0#1 := main_~x~0#1 - 1; 11#L33-2true havoc main_#t~nondet4#1;main_~y~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 3#L25-2true [2024-11-23 02:05:24,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:05:24,772 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-23 02:05:24,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:05:24,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776969467] [2024-11-23 02:05:24,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:05:24,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:05:24,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:05:24,842 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:05:24,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:05:24,855 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:05:24,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:05:24,857 INFO L85 PathProgramCache]: Analyzing trace with hash 1274161, now seen corresponding path program 1 times [2024-11-23 02:05:24,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:05:24,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098251402] [2024-11-23 02:05:24,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:05:24,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:05:24,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:05:24,867 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:05:24,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:05:24,872 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:05:24,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:05:24,873 INFO L85 PathProgramCache]: Analyzing trace with hash 889701363, now seen corresponding path program 1 times [2024-11-23 02:05:24,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:05:24,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552774586] [2024-11-23 02:05:24,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:05:24,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:05:24,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:05:24,878 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:05:24,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:05:24,883 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:05:24,957 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 02:05:24,958 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 02:05:24,958 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 02:05:24,958 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 02:05:24,959 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-23 02:05:24,959 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:24,959 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 02:05:24,959 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 02:05:24,959 INFO L132 ssoRankerPreferences]: Filename of dumped script: TelAviv-Amir-Minimum.c_Iteration1_Loop [2024-11-23 02:05:24,959 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 02:05:24,959 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 02:05:24,974 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:24,983 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:24,987 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:24,995 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:24,997 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:25,060 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 02:05:25,060 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-23 02:05:25,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:25,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:25,064 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) [2024-11-23 02:05:25,066 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 [2024-11-23 02:05:25,068 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 02:05:25,068 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:05:25,094 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-23 02:05:25,095 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-23 02:05:25,105 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-23 02:05:25,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:25,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:25,107 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) [2024-11-23 02:05:25,108 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 [2024-11-23 02:05:25,110 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 02:05:25,111 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:05:25,132 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-23 02:05:25,132 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-23 02:05:25,138 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 [2024-11-23 02:05:25,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:25,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:25,141 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) [2024-11-23 02:05:25,141 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 [2024-11-23 02:05:25,143 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 02:05:25,143 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:05:25,160 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-11-23 02:05:25,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:25,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:25,162 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) [2024-11-23 02:05:25,163 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 [2024-11-23 02:05:25,164 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-23 02:05:25,164 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:05:25,187 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-23 02:05:25,190 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 [2024-11-23 02:05:25,191 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 02:05:25,191 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 02:05:25,191 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 02:05:25,191 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 02:05:25,191 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-23 02:05:25,191 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:25,192 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 02:05:25,192 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 02:05:25,192 INFO L132 ssoRankerPreferences]: Filename of dumped script: TelAviv-Amir-Minimum.c_Iteration1_Loop [2024-11-23 02:05:25,192 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 02:05:25,192 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 02:05:25,194 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:25,198 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:25,209 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:25,212 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:25,214 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:25,263 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 02:05:25,267 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-23 02:05:25,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:25,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:25,270 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) [2024-11-23 02:05:25,271 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 [2024-11-23 02:05:25,272 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 [2024-11-23 02:05:25,282 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:05:25,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:05:25,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:05:25,283 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:05:25,286 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-23 02:05:25,286 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-23 02:05:25,290 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:05:25,296 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-23 02:05:25,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:25,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:25,299 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) [2024-11-23 02:05:25,300 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 [2024-11-23 02:05:25,301 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 [2024-11-23 02:05:25,312 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:05:25,312 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:05:25,313 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:05:25,313 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:05:25,313 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:05:25,314 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:05:25,314 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:05:25,316 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-23 02:05:25,320 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-23 02:05:25,320 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-23 02:05:25,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:25,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:25,322 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) [2024-11-23 02:05:25,323 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 [2024-11-23 02:05:25,324 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-23 02:05:25,324 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-23 02:05:25,324 INFO L474 LassoAnalysis]: Proved termination. [2024-11-23 02:05:25,325 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2024-11-23 02:05:25,331 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 [2024-11-23 02:05:25,334 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-23 02:05:25,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:05:25,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:05:25,367 WARN L253 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 02:05:25,367 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:05:25,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:05:25,378 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 02:05:25,378 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:05:25,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 02:05:25,472 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-23 02:05:25,474 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 02:05:25,520 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-23 02:05:25,582 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 28 states and 40 transitions. Complement of second has 8 states. [2024-11-23 02:05:25,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-23 02:05:25,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 02:05:25,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 14 transitions. [2024-11-23 02:05:25,591 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 2 letters. Loop has 4 letters. [2024-11-23 02:05:25,591 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:05:25,591 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 6 letters. Loop has 4 letters. [2024-11-23 02:05:25,591 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:05:25,592 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 2 letters. Loop has 8 letters. [2024-11-23 02:05:25,592 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:05:25,592 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 40 transitions. [2024-11-23 02:05:25,596 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-23 02:05:25,599 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 17 states and 24 transitions. [2024-11-23 02:05:25,600 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-23 02:05:25,600 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-11-23 02:05:25,601 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 24 transitions. [2024-11-23 02:05:25,601 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-23 02:05:25,601 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 24 transitions. [2024-11-23 02:05:25,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 24 transitions. [2024-11-23 02:05:25,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 15. [2024-11-23 02:05:25,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.4) internal successors, (21), 14 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) [2024-11-23 02:05:25,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 21 transitions. [2024-11-23 02:05:25,619 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 21 transitions. [2024-11-23 02:05:25,619 INFO L425 stractBuchiCegarLoop]: Abstraction has 15 states and 21 transitions. [2024-11-23 02:05:25,619 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-23 02:05:25,619 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 21 transitions. [2024-11-23 02:05:25,620 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-23 02:05:25,620 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:05:25,620 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:05:25,620 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-23 02:05:25,620 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-23 02:05:25,620 INFO L745 eck$LassoCheckResult]: Stem: 94#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 95#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 99#L25-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1; 87#L25 assume 0 != main_#t~nondet2#1;havoc main_#t~nondet2#1; 92#L26 [2024-11-23 02:05:25,620 INFO L747 eck$LassoCheckResult]: Loop: 92#L26 assume main_~x~0#1 < main_~y~0#1;main_~y~0#1 := main_~x~0#1 - 1; 90#L26-2 havoc main_#t~nondet3#1;main_~x~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 91#L25-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1; 100#L25 assume 0 != main_#t~nondet2#1;havoc main_#t~nondet2#1; 92#L26 [2024-11-23 02:05:25,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:05:25,621 INFO L85 PathProgramCache]: Analyzing trace with hash 925798, now seen corresponding path program 1 times [2024-11-23 02:05:25,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:05:25,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791475236] [2024-11-23 02:05:25,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:05:25,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:05:25,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:05:25,627 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:05:25,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:05:25,632 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:05:25,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:05:25,633 INFO L85 PathProgramCache]: Analyzing trace with hash 1450504, now seen corresponding path program 1 times [2024-11-23 02:05:25,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:05:25,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075937054] [2024-11-23 02:05:25,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:05:25,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:05:25,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:05:25,640 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:05:25,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:05:25,646 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:05:25,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:05:25,646 INFO L85 PathProgramCache]: Analyzing trace with hash 295929837, now seen corresponding path program 1 times [2024-11-23 02:05:25,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:05:25,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210850379] [2024-11-23 02:05:25,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:05:25,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:05:25,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:05:25,654 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:05:25,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:05:25,662 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:05:25,695 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 02:05:25,695 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 02:05:25,695 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 02:05:25,695 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 02:05:25,695 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-23 02:05:25,695 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:25,695 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 02:05:25,695 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 02:05:25,695 INFO L132 ssoRankerPreferences]: Filename of dumped script: TelAviv-Amir-Minimum.c_Iteration2_Loop [2024-11-23 02:05:25,695 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 02:05:25,695 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 02:05:25,696 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:25,703 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:25,705 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:25,715 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:25,719 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:25,764 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 02:05:25,764 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-23 02:05:25,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:25,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:25,766 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) [2024-11-23 02:05:25,768 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 [2024-11-23 02:05:25,769 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 02:05:25,770 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:05:25,788 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-23 02:05:25,788 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-23 02:05:25,797 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-11-23 02:05:25,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:25,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:25,800 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) [2024-11-23 02:05:25,801 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 [2024-11-23 02:05:25,802 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 02:05:25,802 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:05:25,814 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-23 02:05:25,815 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3#1=0} Honda state: {ULTIMATE.start_main_#t~nondet3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-23 02:05:25,821 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 [2024-11-23 02:05:25,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:25,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:25,826 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) [2024-11-23 02:05:25,828 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 [2024-11-23 02:05:25,829 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 02:05:25,829 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:05:25,854 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 [2024-11-23 02:05:25,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:25,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:25,855 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) [2024-11-23 02:05:25,855 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 [2024-11-23 02:05:25,857 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-23 02:05:25,857 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:05:25,922 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-23 02:05:25,927 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 [2024-11-23 02:05:25,927 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 02:05:25,927 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 02:05:25,927 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 02:05:25,927 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 02:05:25,927 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-23 02:05:25,927 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:25,927 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 02:05:25,927 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 02:05:25,928 INFO L132 ssoRankerPreferences]: Filename of dumped script: TelAviv-Amir-Minimum.c_Iteration2_Loop [2024-11-23 02:05:25,928 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 02:05:25,928 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 02:05:25,929 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:25,932 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:25,933 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:25,940 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:25,942 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:25,985 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 02:05:25,985 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-23 02:05:25,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:25,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:25,992 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:05:25,993 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-23 02:05:25,993 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 [2024-11-23 02:05:26,003 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:05:26,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:05:26,004 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:05:26,004 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:05:26,005 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-23 02:05:26,005 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-23 02:05:26,008 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:05:26,014 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-11-23 02:05:26,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:26,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:26,016 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) [2024-11-23 02:05:26,018 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 [2024-11-23 02:05:26,019 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 [2024-11-23 02:05:26,029 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:05:26,029 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:05:26,029 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:05:26,029 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:05:26,029 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:05:26,030 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:05:26,030 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:05:26,031 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:05:26,037 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-11-23 02:05:26,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:26,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:26,039 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) [2024-11-23 02:05:26,041 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 [2024-11-23 02:05:26,042 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 [2024-11-23 02:05:26,052 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:05:26,053 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:05:26,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:05:26,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:05:26,053 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:05:26,054 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:05:26,055 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:05:26,057 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-23 02:05:26,059 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-23 02:05:26,059 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-23 02:05:26,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:26,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:26,062 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) [2024-11-23 02:05:26,063 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 [2024-11-23 02:05:26,064 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-23 02:05:26,064 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-23 02:05:26,064 INFO L474 LassoAnalysis]: Proved termination. [2024-11-23 02:05:26,064 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2024-11-23 02:05:26,071 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-11-23 02:05:26,072 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-23 02:05:26,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:05:26,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:05:26,090 INFO L255 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 02:05:26,090 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:05:26,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:05:26,100 WARN L253 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-23 02:05:26,100 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:05:26,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 02:05:26,136 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-23 02:05:26,136 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 21 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 02:05:26,157 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 21 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 35 states and 52 transitions. Complement of second has 7 states. [2024-11-23 02:05:26,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-23 02:05:26,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 02:05:26,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2024-11-23 02:05:26,159 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 4 letters. Loop has 4 letters. [2024-11-23 02:05:26,159 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:05:26,159 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 8 letters. Loop has 4 letters. [2024-11-23 02:05:26,159 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:05:26,159 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 4 letters. Loop has 8 letters. [2024-11-23 02:05:26,160 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:05:26,160 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 52 transitions. [2024-11-23 02:05:26,161 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2024-11-23 02:05:26,161 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 31 states and 45 transitions. [2024-11-23 02:05:26,161 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2024-11-23 02:05:26,162 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2024-11-23 02:05:26,162 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 45 transitions. [2024-11-23 02:05:26,162 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-23 02:05:26,162 INFO L218 hiAutomatonCegarLoop]: Abstraction has 31 states and 45 transitions. [2024-11-23 02:05:26,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 45 transitions. [2024-11-23 02:05:26,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 27. [2024-11-23 02:05:26,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.4444444444444444) internal successors, (39), 26 states have internal predecessors, (39), 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) [2024-11-23 02:05:26,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 39 transitions. [2024-11-23 02:05:26,164 INFO L240 hiAutomatonCegarLoop]: Abstraction has 27 states and 39 transitions. [2024-11-23 02:05:26,164 INFO L425 stractBuchiCegarLoop]: Abstraction has 27 states and 39 transitions. [2024-11-23 02:05:26,164 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-23 02:05:26,164 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 39 transitions. [2024-11-23 02:05:26,165 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2024-11-23 02:05:26,165 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:05:26,165 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:05:26,165 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-23 02:05:26,165 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-23 02:05:26,165 INFO L745 eck$LassoCheckResult]: Stem: 195#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 196#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 204#L25-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1; 206#L25 assume 0 != main_#t~nondet2#1;havoc main_#t~nondet2#1; 207#L26 assume !(main_~x~0#1 < main_~y~0#1);main_~y~0#1 := main_~y~0#1 - 1; 200#L26-2 [2024-11-23 02:05:26,166 INFO L747 eck$LassoCheckResult]: Loop: 200#L26-2 havoc main_#t~nondet3#1;main_~x~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 210#L25-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1; 190#L25 assume 0 != main_#t~nondet2#1;havoc main_#t~nondet2#1; 192#L26 assume !(main_~x~0#1 < main_~y~0#1);main_~y~0#1 := main_~y~0#1 - 1; 200#L26-2 [2024-11-23 02:05:26,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:05:26,166 INFO L85 PathProgramCache]: Analyzing trace with hash 28699757, now seen corresponding path program 1 times [2024-11-23 02:05:26,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:05:26,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28784333] [2024-11-23 02:05:26,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:05:26,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:05:26,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:05:26,172 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:05:26,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:05:26,180 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:05:26,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:05:26,182 INFO L85 PathProgramCache]: Analyzing trace with hash 1560156, now seen corresponding path program 1 times [2024-11-23 02:05:26,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:05:26,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407108416] [2024-11-23 02:05:26,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:05:26,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:05:26,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:05:26,190 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:05:26,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:05:26,194 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:05:26,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:05:26,195 INFO L85 PathProgramCache]: Analyzing trace with hash 585737416, now seen corresponding path program 1 times [2024-11-23 02:05:26,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:05:26,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459461572] [2024-11-23 02:05:26,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:05:26,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:05:26,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:05:26,199 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:05:26,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:05:26,204 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:05:26,227 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 02:05:26,227 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 02:05:26,227 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 02:05:26,227 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 02:05:26,227 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-23 02:05:26,227 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:26,227 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 02:05:26,227 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 02:05:26,227 INFO L132 ssoRankerPreferences]: Filename of dumped script: TelAviv-Amir-Minimum.c_Iteration3_Loop [2024-11-23 02:05:26,228 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 02:05:26,228 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 02:05:26,229 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:26,230 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:26,233 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:26,235 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:26,239 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:26,241 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:26,277 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 02:05:26,278 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-23 02:05:26,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:26,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:26,281 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) [2024-11-23 02:05:26,282 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 [2024-11-23 02:05:26,283 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 02:05:26,283 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:05:26,297 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-23 02:05:26,298 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2#1=0} Honda state: {ULTIMATE.start_main_#t~nondet2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-23 02:05:26,303 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 [2024-11-23 02:05:26,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:26,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:26,305 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) [2024-11-23 02:05:26,307 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 [2024-11-23 02:05:26,308 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 02:05:26,308 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:05:26,325 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-23 02:05:26,325 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-23 02:05:26,331 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 [2024-11-23 02:05:26,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:26,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:26,333 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) [2024-11-23 02:05:26,334 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 [2024-11-23 02:05:26,335 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 02:05:26,335 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:05:26,346 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-23 02:05:26,346 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=0} Honda state: {ULTIMATE.start_main_~x~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-23 02:05:26,354 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-11-23 02:05:26,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:26,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:26,356 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) [2024-11-23 02:05:26,361 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 [2024-11-23 02:05:26,362 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 02:05:26,362 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:05:26,386 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 [2024-11-23 02:05:26,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:26,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:26,389 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) [2024-11-23 02:05:26,390 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 [2024-11-23 02:05:26,391 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-23 02:05:26,391 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:05:26,418 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-23 02:05:26,424 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2024-11-23 02:05:26,424 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 02:05:26,424 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 02:05:26,424 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 02:05:26,424 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 02:05:26,424 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-23 02:05:26,424 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:26,424 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 02:05:26,424 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 02:05:26,424 INFO L132 ssoRankerPreferences]: Filename of dumped script: TelAviv-Amir-Minimum.c_Iteration3_Loop [2024-11-23 02:05:26,424 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 02:05:26,424 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 02:05:26,425 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:26,429 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:26,433 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:26,440 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:26,447 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:26,449 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:26,483 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 02:05:26,484 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-23 02:05:26,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:26,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:26,486 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) [2024-11-23 02:05:26,487 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 [2024-11-23 02:05:26,488 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 [2024-11-23 02:05:26,498 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:05:26,498 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:05:26,498 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:05:26,498 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:05:26,498 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:05:26,500 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:05:26,500 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:05:26,501 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:05:26,507 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 [2024-11-23 02:05:26,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:26,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:26,510 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) [2024-11-23 02:05:26,511 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 [2024-11-23 02:05:26,513 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 [2024-11-23 02:05:26,524 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:05:26,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:05:26,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:05:26,525 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:05:26,530 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-23 02:05:26,530 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-23 02:05:26,533 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:05:26,539 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 [2024-11-23 02:05:26,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:26,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:26,541 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) [2024-11-23 02:05:26,542 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 [2024-11-23 02:05:26,544 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 [2024-11-23 02:05:26,554 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:05:26,554 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:05:26,554 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:05:26,554 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:05:26,554 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:05:26,555 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:05:26,555 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:05:26,559 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-23 02:05:26,562 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-23 02:05:26,562 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-23 02:05:26,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:26,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:26,564 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) [2024-11-23 02:05:26,565 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 [2024-11-23 02:05:26,566 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-23 02:05:26,566 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-23 02:05:26,567 INFO L474 LassoAnalysis]: Proved termination. [2024-11-23 02:05:26,567 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2024-11-23 02:05:26,573 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 [2024-11-23 02:05:26,574 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-23 02:05:26,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:05:26,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:05:26,593 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 02:05:26,594 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:05:26,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:05:26,608 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 02:05:26,609 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:05:26,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 02:05:26,627 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-23 02:05:26,627 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 39 transitions. cyclomatic complexity: 16 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 02:05:26,647 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 39 transitions. cyclomatic complexity: 16. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 59 states and 85 transitions. Complement of second has 7 states. [2024-11-23 02:05:26,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-23 02:05:26,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 02:05:26,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2024-11-23 02:05:26,649 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 5 letters. Loop has 4 letters. [2024-11-23 02:05:26,649 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:05:26,649 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 9 letters. Loop has 4 letters. [2024-11-23 02:05:26,649 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:05:26,649 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 5 letters. Loop has 8 letters. [2024-11-23 02:05:26,649 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:05:26,649 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 59 states and 85 transitions. [2024-11-23 02:05:26,651 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2024-11-23 02:05:26,655 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 59 states to 52 states and 75 transitions. [2024-11-23 02:05:26,655 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2024-11-23 02:05:26,655 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2024-11-23 02:05:26,656 INFO L73 IsDeterministic]: Start isDeterministic. Operand 52 states and 75 transitions. [2024-11-23 02:05:26,656 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-23 02:05:26,656 INFO L218 hiAutomatonCegarLoop]: Abstraction has 52 states and 75 transitions. [2024-11-23 02:05:26,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states and 75 transitions. [2024-11-23 02:05:26,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 47. [2024-11-23 02:05:26,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 47 states have (on average 1.4680851063829787) internal successors, (69), 46 states have internal predecessors, (69), 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) [2024-11-23 02:05:26,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 69 transitions. [2024-11-23 02:05:26,659 INFO L240 hiAutomatonCegarLoop]: Abstraction has 47 states and 69 transitions. [2024-11-23 02:05:26,659 INFO L425 stractBuchiCegarLoop]: Abstraction has 47 states and 69 transitions. [2024-11-23 02:05:26,659 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-23 02:05:26,659 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 47 states and 69 transitions. [2024-11-23 02:05:26,660 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2024-11-23 02:05:26,660 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:05:26,660 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:05:26,660 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-23 02:05:26,661 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-23 02:05:26,661 INFO L745 eck$LassoCheckResult]: Stem: 330#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 331#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 341#L25-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1; 327#L25 assume 0 != main_#t~nondet2#1;havoc main_#t~nondet2#1; 328#L26 assume main_~x~0#1 < main_~y~0#1;main_~y~0#1 := main_~x~0#1 - 1; 348#L26-2 havoc main_#t~nondet3#1;main_~x~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 347#L25-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1; 343#L25 assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; 344#L33 [2024-11-23 02:05:26,661 INFO L747 eck$LassoCheckResult]: Loop: 344#L33 assume main_~x~0#1 < main_~y~0#1;main_~x~0#1 := main_~x~0#1 - 1; 366#L33-2 havoc main_#t~nondet4#1;main_~y~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 365#L25-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1; 363#L25 assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; 344#L33 [2024-11-23 02:05:26,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:05:26,661 INFO L85 PathProgramCache]: Analyzing trace with hash 295929846, now seen corresponding path program 1 times [2024-11-23 02:05:26,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:05:26,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131559782] [2024-11-23 02:05:26,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:05:26,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:05:26,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:05:26,666 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:05:26,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:05:26,669 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:05:26,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:05:26,670 INFO L85 PathProgramCache]: Analyzing trace with hash 1727281, now seen corresponding path program 2 times [2024-11-23 02:05:26,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:05:26,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721185437] [2024-11-23 02:05:26,670 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 02:05:26,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:05:26,674 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-23 02:05:26,675 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-23 02:05:26,675 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:05:26,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:05:26,680 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:05:26,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:05:26,680 INFO L85 PathProgramCache]: Analyzing trace with hash 69132454, now seen corresponding path program 1 times [2024-11-23 02:05:26,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:05:26,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276912239] [2024-11-23 02:05:26,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:05:26,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:05:26,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:05:26,696 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:05:26,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:05:26,701 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:05:26,724 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 02:05:26,724 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 02:05:26,724 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 02:05:26,725 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 02:05:26,725 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-23 02:05:26,725 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:26,725 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 02:05:26,725 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 02:05:26,725 INFO L132 ssoRankerPreferences]: Filename of dumped script: TelAviv-Amir-Minimum.c_Iteration4_Loop [2024-11-23 02:05:26,725 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 02:05:26,725 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 02:05:26,726 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:26,727 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:26,729 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:26,731 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:26,733 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:26,770 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 02:05:26,771 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-23 02:05:26,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:26,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:26,773 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:05:26,774 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-11-23 02:05:26,775 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 02:05:26,776 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:05:26,786 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-23 02:05:26,787 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2#1=0} Honda state: {ULTIMATE.start_main_#t~nondet2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-23 02:05:26,792 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2024-11-23 02:05:26,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:26,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:26,794 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:05:26,794 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-11-23 02:05:26,795 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 02:05:26,796 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:05:26,812 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-23 02:05:26,812 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_7=1} Honda state: {v_rep~unnamed0~0~true_7=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-23 02:05:26,818 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2024-11-23 02:05:26,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:26,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:26,819 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:05:26,820 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-11-23 02:05:26,822 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 02:05:26,822 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:05:26,834 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-23 02:05:26,834 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet4#1=0} Honda state: {ULTIMATE.start_main_#t~nondet4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-23 02:05:26,839 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2024-11-23 02:05:26,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:26,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:26,841 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:05:26,841 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-11-23 02:05:26,843 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 02:05:26,843 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:05:26,860 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-23 02:05:26,861 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_7=0} Honda state: {v_rep~unnamed0~0~false_7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-23 02:05:26,866 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2024-11-23 02:05:26,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:26,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:26,868 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:05:26,869 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-11-23 02:05:26,870 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 02:05:26,870 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:05:26,886 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2024-11-23 02:05:26,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:26,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:26,888 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:05:26,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-11-23 02:05:26,890 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-23 02:05:26,890 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:05:26,942 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-23 02:05:26,946 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2024-11-23 02:05:26,946 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 02:05:26,946 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 02:05:26,946 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 02:05:26,946 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 02:05:26,946 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-23 02:05:26,946 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:26,947 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 02:05:26,947 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 02:05:26,947 INFO L132 ssoRankerPreferences]: Filename of dumped script: TelAviv-Amir-Minimum.c_Iteration4_Loop [2024-11-23 02:05:26,947 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 02:05:26,947 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 02:05:26,947 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:26,951 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:26,953 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:26,956 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:26,958 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:27,010 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 02:05:27,011 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-23 02:05:27,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:27,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:27,012 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:05:27,013 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-11-23 02:05:27,014 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 [2024-11-23 02:05:27,025 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:05:27,025 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:05:27,025 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:05:27,025 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:05:27,025 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:05:27,026 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:05:27,026 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:05:27,028 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:05:27,036 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2024-11-23 02:05:27,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:27,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:27,038 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:05:27,039 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-11-23 02:05:27,042 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 [2024-11-23 02:05:27,052 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:05:27,053 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:05:27,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:05:27,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:05:27,053 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:05:27,054 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:05:27,054 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:05:27,056 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:05:27,062 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2024-11-23 02:05:27,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:27,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:27,064 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:05:27,064 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-11-23 02:05:27,066 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-23 02:05:27,076 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:05:27,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:05:27,076 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:05:27,076 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:05:27,078 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-23 02:05:27,078 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-23 02:05:27,080 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:05:27,086 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2024-11-23 02:05:27,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:27,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:27,088 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:05:27,089 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-11-23 02:05:27,090 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 [2024-11-23 02:05:27,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:05:27,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:05:27,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:05:27,100 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:05:27,102 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-23 02:05:27,102 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-23 02:05:27,104 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:05:27,110 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2024-11-23 02:05:27,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:27,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:27,113 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:05:27,116 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-11-23 02:05:27,117 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-23 02:05:27,127 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:05:27,128 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:05:27,128 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:05:27,128 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:05:27,128 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:05:27,129 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:05:27,129 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:05:27,131 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-23 02:05:27,134 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-23 02:05:27,134 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-23 02:05:27,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:27,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:27,137 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:05:27,138 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-11-23 02:05:27,138 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-23 02:05:27,139 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-23 02:05:27,139 INFO L474 LassoAnalysis]: Proved termination. [2024-11-23 02:05:27,139 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2024-11-23 02:05:27,145 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2024-11-23 02:05:27,145 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-23 02:05:27,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:05:27,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:05:27,164 INFO L255 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 02:05:27,165 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:05:27,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:05:27,179 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 02:05:27,180 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:05:27,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 02:05:27,212 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-23 02:05:27,213 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 47 states and 69 transitions. cyclomatic complexity: 29 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 02:05:27,215 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2024-11-23 02:05:27,220 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2024-11-23 02:05:27,224 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 [2024-11-23 02:05:27,236 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 47 states and 69 transitions. cyclomatic complexity: 29. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 98 states and 148 transitions. Complement of second has 7 states. [2024-11-23 02:05:27,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-23 02:05:27,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 02:05:27,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2024-11-23 02:05:27,239 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 8 letters. Loop has 4 letters. [2024-11-23 02:05:27,239 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:05:27,239 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 12 letters. Loop has 4 letters. [2024-11-23 02:05:27,239 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:05:27,239 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 8 letters. Loop has 8 letters. [2024-11-23 02:05:27,239 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:05:27,239 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 98 states and 148 transitions. [2024-11-23 02:05:27,241 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2024-11-23 02:05:27,242 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 98 states to 83 states and 124 transitions. [2024-11-23 02:05:27,242 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 31 [2024-11-23 02:05:27,243 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 33 [2024-11-23 02:05:27,243 INFO L73 IsDeterministic]: Start isDeterministic. Operand 83 states and 124 transitions. [2024-11-23 02:05:27,243 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-23 02:05:27,243 INFO L218 hiAutomatonCegarLoop]: Abstraction has 83 states and 124 transitions. [2024-11-23 02:05:27,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states and 124 transitions. [2024-11-23 02:05:27,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 79. [2024-11-23 02:05:27,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 79 states have (on average 1.481012658227848) internal successors, (117), 78 states have internal predecessors, (117), 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) [2024-11-23 02:05:27,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 117 transitions. [2024-11-23 02:05:27,247 INFO L240 hiAutomatonCegarLoop]: Abstraction has 79 states and 117 transitions. [2024-11-23 02:05:27,247 INFO L425 stractBuchiCegarLoop]: Abstraction has 79 states and 117 transitions. [2024-11-23 02:05:27,247 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-23 02:05:27,247 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 79 states and 117 transitions. [2024-11-23 02:05:27,248 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2024-11-23 02:05:27,248 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:05:27,248 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:05:27,249 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 02:05:27,249 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-23 02:05:27,249 INFO L745 eck$LassoCheckResult]: Stem: 536#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 537#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 525#L25-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1; 526#L25 assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; 582#L33 assume !(main_~x~0#1 < main_~y~0#1);main_~x~0#1 := main_~y~0#1 - 1; 580#L33-2 havoc main_#t~nondet4#1;main_~y~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 579#L25-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1; 577#L25 assume 0 != main_#t~nondet2#1;havoc main_#t~nondet2#1; 578#L26 assume main_~x~0#1 < main_~y~0#1;main_~y~0#1 := main_~x~0#1 - 1; 555#L26-2 havoc main_#t~nondet3#1;main_~x~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 554#L25-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1; 548#L25 assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; 549#L33 [2024-11-23 02:05:27,249 INFO L747 eck$LassoCheckResult]: Loop: 549#L33 assume main_~x~0#1 < main_~y~0#1;main_~x~0#1 := main_~x~0#1 - 1; 544#L33-2 havoc main_#t~nondet4#1;main_~y~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 531#L25-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1; 552#L25 assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; 549#L33 [2024-11-23 02:05:27,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:05:27,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1933001244, now seen corresponding path program 1 times [2024-11-23 02:05:27,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:05:27,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242062328] [2024-11-23 02:05:27,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:05:27,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:05:27,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:05:27,256 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:05:27,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:05:27,261 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:05:27,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:05:27,261 INFO L85 PathProgramCache]: Analyzing trace with hash 1727281, now seen corresponding path program 3 times [2024-11-23 02:05:27,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:05:27,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230193606] [2024-11-23 02:05:27,262 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 02:05:27,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:05:27,264 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-23 02:05:27,265 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-23 02:05:27,265 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:05:27,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:05:27,267 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:05:27,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:05:27,267 INFO L85 PathProgramCache]: Analyzing trace with hash 1555787668, now seen corresponding path program 1 times [2024-11-23 02:05:27,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:05:27,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806929864] [2024-11-23 02:05:27,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:05:27,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:05:27,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:05:27,273 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:05:27,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:05:27,282 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:05:27,304 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 02:05:27,305 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 02:05:27,305 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 02:05:27,305 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 02:05:27,305 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-23 02:05:27,305 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:27,305 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 02:05:27,305 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 02:05:27,305 INFO L132 ssoRankerPreferences]: Filename of dumped script: TelAviv-Amir-Minimum.c_Iteration5_Loop [2024-11-23 02:05:27,305 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 02:05:27,305 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 02:05:27,305 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:27,314 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:27,316 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:27,318 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:27,319 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:27,351 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 02:05:27,351 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-23 02:05:27,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:27,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:27,354 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:05:27,355 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-11-23 02:05:27,355 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 02:05:27,355 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:05:27,373 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2024-11-23 02:05:27,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:27,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:27,374 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:05:27,376 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-11-23 02:05:27,377 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-23 02:05:27,377 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:05:27,428 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-23 02:05:27,433 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2024-11-23 02:05:27,433 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 02:05:27,433 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 02:05:27,433 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 02:05:27,433 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 02:05:27,433 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-23 02:05:27,433 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:27,433 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 02:05:27,433 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 02:05:27,433 INFO L132 ssoRankerPreferences]: Filename of dumped script: TelAviv-Amir-Minimum.c_Iteration5_Loop [2024-11-23 02:05:27,433 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 02:05:27,433 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 02:05:27,435 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:27,437 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:27,443 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:27,445 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:27,446 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:27,473 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 02:05:27,473 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-23 02:05:27,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:27,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:27,475 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:05:27,476 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-11-23 02:05:27,477 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 [2024-11-23 02:05:27,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:05:27,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:05:27,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:05:27,487 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:05:27,488 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-23 02:05:27,488 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-23 02:05:27,490 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:05:27,496 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2024-11-23 02:05:27,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:27,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:27,497 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:05:27,498 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-11-23 02:05:27,499 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 [2024-11-23 02:05:27,508 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:05:27,509 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:05:27,509 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:05:27,509 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:05:27,509 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:05:27,510 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:05:27,510 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:05:27,512 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-23 02:05:27,516 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-23 02:05:27,516 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-23 02:05:27,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:27,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:27,518 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:05:27,519 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2024-11-23 02:05:27,520 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-23 02:05:27,520 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-23 02:05:27,520 INFO L474 LassoAnalysis]: Proved termination. [2024-11-23 02:05:27,520 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2024-11-23 02:05:27,526 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2024-11-23 02:05:27,527 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-23 02:05:27,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:05:27,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:05:27,541 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 02:05:27,541 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:05:27,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:05:27,555 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 02:05:27,555 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:05:27,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 02:05:27,573 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-23 02:05:27,574 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 79 states and 117 transitions. cyclomatic complexity: 50 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 02:05:27,591 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 79 states and 117 transitions. cyclomatic complexity: 50. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 98 states and 148 transitions. Complement of second has 7 states. [2024-11-23 02:05:27,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-23 02:05:27,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 02:05:27,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2024-11-23 02:05:27,592 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 12 letters. Loop has 4 letters. [2024-11-23 02:05:27,592 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:05:27,592 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-23 02:05:27,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:05:27,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:05:27,611 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 02:05:27,611 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:05:27,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:05:27,640 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 02:05:27,640 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:05:27,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 02:05:27,658 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-23 02:05:27,658 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 79 states and 117 transitions. cyclomatic complexity: 50 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 02:05:27,685 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 79 states and 117 transitions. cyclomatic complexity: 50. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 96 states and 143 transitions. Complement of second has 7 states. [2024-11-23 02:05:27,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-23 02:05:27,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 02:05:27,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2024-11-23 02:05:27,687 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 12 letters. Loop has 4 letters. [2024-11-23 02:05:27,687 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:05:27,687 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-23 02:05:27,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:05:27,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:05:27,704 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 02:05:27,705 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:05:27,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:05:27,730 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 02:05:27,730 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:05:27,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 02:05:27,750 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-23 02:05:27,750 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 79 states and 117 transitions. cyclomatic complexity: 50 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 02:05:27,766 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 79 states and 117 transitions. cyclomatic complexity: 50. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 112 states and 174 transitions. Complement of second has 8 states. [2024-11-23 02:05:27,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-23 02:05:27,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 02:05:27,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2024-11-23 02:05:27,767 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 12 letters. Loop has 4 letters. [2024-11-23 02:05:27,767 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:05:27,767 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 16 letters. Loop has 4 letters. [2024-11-23 02:05:27,767 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:05:27,767 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 12 letters. Loop has 8 letters. [2024-11-23 02:05:27,767 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:05:27,767 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 112 states and 174 transitions. [2024-11-23 02:05:27,769 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 20 [2024-11-23 02:05:27,771 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 112 states to 89 states and 134 transitions. [2024-11-23 02:05:27,771 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2024-11-23 02:05:27,771 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 31 [2024-11-23 02:05:27,771 INFO L73 IsDeterministic]: Start isDeterministic. Operand 89 states and 134 transitions. [2024-11-23 02:05:27,771 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-23 02:05:27,771 INFO L218 hiAutomatonCegarLoop]: Abstraction has 89 states and 134 transitions. [2024-11-23 02:05:27,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states and 134 transitions. [2024-11-23 02:05:27,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 55. [2024-11-23 02:05:27,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 55 states have (on average 1.509090909090909) internal successors, (83), 54 states have internal predecessors, (83), 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) [2024-11-23 02:05:27,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 83 transitions. [2024-11-23 02:05:27,775 INFO L240 hiAutomatonCegarLoop]: Abstraction has 55 states and 83 transitions. [2024-11-23 02:05:27,775 INFO L425 stractBuchiCegarLoop]: Abstraction has 55 states and 83 transitions. [2024-11-23 02:05:27,776 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-11-23 02:05:27,776 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 55 states and 83 transitions. [2024-11-23 02:05:27,776 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 18 [2024-11-23 02:05:27,776 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:05:27,776 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:05:27,777 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-23 02:05:27,777 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-23 02:05:27,777 INFO L745 eck$LassoCheckResult]: Stem: 1107#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 1108#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 1116#L25-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1; 1104#L25 assume 0 != main_#t~nondet2#1;havoc main_#t~nondet2#1; 1105#L26 assume main_~x~0#1 < main_~y~0#1;main_~y~0#1 := main_~x~0#1 - 1; 1123#L26-2 havoc main_#t~nondet3#1;main_~x~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 1122#L25-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1; 1117#L25 assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; 1118#L33 [2024-11-23 02:05:27,777 INFO L747 eck$LassoCheckResult]: Loop: 1118#L33 assume main_~x~0#1 < main_~y~0#1;main_~x~0#1 := main_~x~0#1 - 1; 1149#L33-2 havoc main_#t~nondet4#1;main_~y~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 1148#L25-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1; 1143#L25 assume 0 != main_#t~nondet2#1;havoc main_#t~nondet2#1; 1140#L26 assume main_~x~0#1 < main_~y~0#1;main_~y~0#1 := main_~x~0#1 - 1; 1141#L26-2 havoc main_#t~nondet3#1;main_~x~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 1146#L25-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1; 1145#L25 assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; 1118#L33 [2024-11-23 02:05:27,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:05:27,777 INFO L85 PathProgramCache]: Analyzing trace with hash 295929846, now seen corresponding path program 2 times [2024-11-23 02:05:27,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:05:27,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200628180] [2024-11-23 02:05:27,778 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 02:05:27,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:05:27,782 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 02:05:27,783 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-23 02:05:27,783 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:05:27,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:05:27,785 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:05:27,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:05:27,785 INFO L85 PathProgramCache]: Analyzing trace with hash 1739624888, now seen corresponding path program 1 times [2024-11-23 02:05:27,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:05:27,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052661535] [2024-11-23 02:05:27,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:05:27,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:05:27,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:05:27,792 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:05:27,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:05:27,799 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:05:27,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:05:27,801 INFO L85 PathProgramCache]: Analyzing trace with hash 576410797, now seen corresponding path program 2 times [2024-11-23 02:05:27,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:05:27,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643629742] [2024-11-23 02:05:27,801 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 02:05:27,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:05:27,811 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 02:05:27,811 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-23 02:05:27,811 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:05:27,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:05:27,819 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:05:27,860 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 02:05:27,860 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 02:05:27,860 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 02:05:27,860 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 02:05:27,860 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-23 02:05:27,860 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:27,861 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 02:05:27,861 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 02:05:27,861 INFO L132 ssoRankerPreferences]: Filename of dumped script: TelAviv-Amir-Minimum.c_Iteration6_Loop [2024-11-23 02:05:27,861 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 02:05:27,861 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 02:05:27,862 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:27,865 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:27,872 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:27,874 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:27,876 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:27,879 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:27,912 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 02:05:27,913 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-23 02:05:27,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:27,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:27,914 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:05:27,915 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2024-11-23 02:05:27,916 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 02:05:27,916 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:05:27,928 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-23 02:05:27,928 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3#1=0} Honda state: {ULTIMATE.start_main_#t~nondet3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-23 02:05:27,934 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2024-11-23 02:05:27,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:27,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:27,935 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:05:27,936 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2024-11-23 02:05:27,937 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 02:05:27,937 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:05:27,963 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2024-11-23 02:05:27,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:27,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:27,964 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:05:27,966 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2024-11-23 02:05:27,967 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-23 02:05:27,967 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:05:28,048 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-23 02:05:28,053 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2024-11-23 02:05:28,053 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 02:05:28,053 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 02:05:28,053 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 02:05:28,053 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 02:05:28,053 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-23 02:05:28,053 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:28,053 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 02:05:28,053 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 02:05:28,054 INFO L132 ssoRankerPreferences]: Filename of dumped script: TelAviv-Amir-Minimum.c_Iteration6_Loop [2024-11-23 02:05:28,054 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 02:05:28,054 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 02:05:28,055 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:28,058 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:28,065 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:28,066 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:28,068 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:28,069 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:28,110 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 02:05:28,110 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-23 02:05:28,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:28,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:28,112 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:05:28,113 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2024-11-23 02:05:28,114 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 [2024-11-23 02:05:28,124 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:05:28,124 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:05:28,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:05:28,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:05:28,124 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:05:28,125 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:05:28,125 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:05:28,126 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:05:28,132 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2024-11-23 02:05:28,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:28,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:28,133 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:05:28,135 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2024-11-23 02:05:28,136 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 [2024-11-23 02:05:28,147 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:05:28,147 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:05:28,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:05:28,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:05:28,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:05:28,148 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:05:28,148 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:05:28,150 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-23 02:05:28,152 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-23 02:05:28,152 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-23 02:05:28,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:28,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:28,154 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:05:28,156 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2024-11-23 02:05:28,156 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-23 02:05:28,156 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-23 02:05:28,156 INFO L474 LassoAnalysis]: Proved termination. [2024-11-23 02:05:28,156 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2024-11-23 02:05:28,162 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2024-11-23 02:05:28,162 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-23 02:05:28,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:05:28,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:05:28,187 INFO L255 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 02:05:28,187 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:05:28,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:05:28,202 INFO L255 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-23 02:05:28,203 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:05:28,240 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 02:05:28,240 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2024-11-23 02:05:28,240 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 55 states and 83 transitions. cyclomatic complexity: 35 Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 02:05:28,288 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 55 states and 83 transitions. cyclomatic complexity: 35. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 229 states and 342 transitions. Complement of second has 9 states. [2024-11-23 02:05:28,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-23 02:05:28,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 02:05:28,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 28 transitions. [2024-11-23 02:05:28,290 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 8 letters. Loop has 8 letters. [2024-11-23 02:05:28,290 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:05:28,290 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 16 letters. Loop has 8 letters. [2024-11-23 02:05:28,291 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:05:28,291 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 8 letters. Loop has 16 letters. [2024-11-23 02:05:28,291 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:05:28,291 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 229 states and 342 transitions. [2024-11-23 02:05:28,293 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 26 [2024-11-23 02:05:28,295 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 229 states to 197 states and 298 transitions. [2024-11-23 02:05:28,295 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 46 [2024-11-23 02:05:28,295 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 49 [2024-11-23 02:05:28,295 INFO L73 IsDeterministic]: Start isDeterministic. Operand 197 states and 298 transitions. [2024-11-23 02:05:28,295 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-23 02:05:28,295 INFO L218 hiAutomatonCegarLoop]: Abstraction has 197 states and 298 transitions. [2024-11-23 02:05:28,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states and 298 transitions. [2024-11-23 02:05:28,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 184. [2024-11-23 02:05:28,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 184 states have (on average 1.5108695652173914) internal successors, (278), 183 states have internal predecessors, (278), 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) [2024-11-23 02:05:28,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 278 transitions. [2024-11-23 02:05:28,310 INFO L240 hiAutomatonCegarLoop]: Abstraction has 184 states and 278 transitions. [2024-11-23 02:05:28,310 INFO L425 stractBuchiCegarLoop]: Abstraction has 184 states and 278 transitions. [2024-11-23 02:05:28,310 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-11-23 02:05:28,310 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 184 states and 278 transitions. [2024-11-23 02:05:28,311 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 26 [2024-11-23 02:05:28,311 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:05:28,311 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:05:28,312 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 02:05:28,312 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-23 02:05:28,312 INFO L745 eck$LassoCheckResult]: Stem: 1468#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 1469#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 1476#L25-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1; 1465#L25 assume 0 != main_#t~nondet2#1;havoc main_#t~nondet2#1; 1466#L26 assume main_~x~0#1 < main_~y~0#1;main_~y~0#1 := main_~x~0#1 - 1; 1488#L26-2 havoc main_#t~nondet3#1;main_~x~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 1482#L25-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1; 1483#L25 assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; 1564#L33 assume !(main_~x~0#1 < main_~y~0#1);main_~x~0#1 := main_~y~0#1 - 1; 1565#L33-2 havoc main_#t~nondet4#1;main_~y~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 1600#L25-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1; 1601#L25 assume 0 != main_#t~nondet2#1;havoc main_#t~nondet2#1; 1622#L26 [2024-11-23 02:05:28,312 INFO L747 eck$LassoCheckResult]: Loop: 1622#L26 assume main_~x~0#1 < main_~y~0#1;main_~y~0#1 := main_~x~0#1 - 1; 1623#L26-2 havoc main_#t~nondet3#1;main_~x~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 1627#L25-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1; 1624#L25 assume 0 != main_#t~nondet2#1;havoc main_#t~nondet2#1; 1622#L26 [2024-11-23 02:05:28,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:05:28,312 INFO L85 PathProgramCache]: Analyzing trace with hash 69192027, now seen corresponding path program 2 times [2024-11-23 02:05:28,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:05:28,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145073849] [2024-11-23 02:05:28,313 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 02:05:28,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:05:28,317 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 02:05:28,318 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-23 02:05:28,318 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:05:28,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:05:28,321 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:05:28,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:05:28,321 INFO L85 PathProgramCache]: Analyzing trace with hash 1450504, now seen corresponding path program 2 times [2024-11-23 02:05:28,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:05:28,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046843721] [2024-11-23 02:05:28,322 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 02:05:28,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:05:28,324 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-23 02:05:28,324 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-23 02:05:28,324 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:05:28,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:05:28,326 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:05:28,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:05:28,328 INFO L85 PathProgramCache]: Analyzing trace with hash -232935838, now seen corresponding path program 3 times [2024-11-23 02:05:28,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:05:28,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797793267] [2024-11-23 02:05:28,329 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 02:05:28,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:05:28,338 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-23 02:05:28,341 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-23 02:05:28,341 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:05:28,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:05:28,348 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:05:28,370 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 02:05:28,370 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 02:05:28,370 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 02:05:28,370 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 02:05:28,370 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-23 02:05:28,370 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:28,370 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 02:05:28,370 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 02:05:28,370 INFO L132 ssoRankerPreferences]: Filename of dumped script: TelAviv-Amir-Minimum.c_Iteration7_Loop [2024-11-23 02:05:28,370 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 02:05:28,370 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 02:05:28,371 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:28,372 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:28,374 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:28,379 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:28,381 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:28,408 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 02:05:28,408 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-23 02:05:28,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:28,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:28,409 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:05:28,410 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2024-11-23 02:05:28,411 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 02:05:28,411 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:05:28,423 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-23 02:05:28,423 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2#1=0} Honda state: {ULTIMATE.start_main_#t~nondet2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-23 02:05:28,428 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2024-11-23 02:05:28,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:28,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:28,431 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:05:28,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2024-11-23 02:05:28,432 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 02:05:28,432 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:05:28,450 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-23 02:05:28,450 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_13=1} Honda state: {v_rep~unnamed0~0~true_13=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-23 02:05:28,456 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2024-11-23 02:05:28,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:28,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:28,458 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:05:28,459 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2024-11-23 02:05:28,460 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 02:05:28,460 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:05:28,486 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2024-11-23 02:05:28,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:28,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:28,488 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:05:28,489 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2024-11-23 02:05:28,490 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-23 02:05:28,490 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:05:28,561 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-23 02:05:28,566 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2024-11-23 02:05:28,566 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 02:05:28,566 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 02:05:28,566 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 02:05:28,566 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 02:05:28,567 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-23 02:05:28,567 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:28,567 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 02:05:28,567 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 02:05:28,567 INFO L132 ssoRankerPreferences]: Filename of dumped script: TelAviv-Amir-Minimum.c_Iteration7_Loop [2024-11-23 02:05:28,567 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 02:05:28,567 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 02:05:28,568 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:28,570 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:28,571 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:28,577 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:28,579 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:28,607 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 02:05:28,608 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-23 02:05:28,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:28,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:28,612 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:05:28,613 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2024-11-23 02:05:28,614 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 [2024-11-23 02:05:28,626 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:05:28,626 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:05:28,626 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:05:28,626 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:05:28,628 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-23 02:05:28,628 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-23 02:05:28,631 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:05:28,638 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2024-11-23 02:05:28,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:28,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:28,640 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:05:28,642 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2024-11-23 02:05:28,642 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 [2024-11-23 02:05:28,653 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:05:28,653 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:05:28,653 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:05:28,653 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:05:28,655 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-23 02:05:28,655 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-23 02:05:28,659 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:05:28,665 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2024-11-23 02:05:28,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:28,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:28,667 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:05:28,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2024-11-23 02:05:28,669 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 [2024-11-23 02:05:28,679 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:05:28,679 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:05:28,679 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:05:28,679 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:05:28,679 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:05:28,680 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:05:28,680 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:05:28,682 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-23 02:05:28,683 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2024-11-23 02:05:28,683 INFO L444 ModelExtractionUtils]: 2 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-23 02:05:28,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:28,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:28,684 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:05:28,685 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2024-11-23 02:05:28,686 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-23 02:05:28,686 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-23 02:05:28,686 INFO L474 LassoAnalysis]: Proved termination. [2024-11-23 02:05:28,686 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2024-11-23 02:05:28,691 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2024-11-23 02:05:28,692 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-23 02:05:28,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:05:28,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:05:28,708 INFO L255 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 02:05:28,708 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:05:28,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:05:28,722 WARN L253 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-23 02:05:28,723 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:05:28,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 02:05:28,746 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-23 02:05:28,746 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 184 states and 278 transitions. cyclomatic complexity: 117 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 02:05:28,769 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 184 states and 278 transitions. cyclomatic complexity: 117. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 314 states and 456 transitions. Complement of second has 7 states. [2024-11-23 02:05:28,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-23 02:05:28,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 02:05:28,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2024-11-23 02:05:28,771 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 12 letters. Loop has 4 letters. [2024-11-23 02:05:28,771 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:05:28,771 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-23 02:05:28,789 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2024-11-23 02:05:28,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:05:28,802 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2024-11-23 02:05:28,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:05:28,808 INFO L255 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 02:05:28,809 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:05:28,809 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2024-11-23 02:05:28,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:05:28,822 WARN L253 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-23 02:05:28,823 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:05:28,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 02:05:28,842 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-23 02:05:28,842 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 184 states and 278 transitions. cyclomatic complexity: 117 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 02:05:28,867 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 184 states and 278 transitions. cyclomatic complexity: 117. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 329 states and 473 transitions. Complement of second has 9 states. [2024-11-23 02:05:28,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-23 02:05:28,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 02:05:28,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 20 transitions. [2024-11-23 02:05:28,868 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 12 letters. Loop has 4 letters. [2024-11-23 02:05:28,868 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:05:28,868 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-23 02:05:28,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:05:28,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:05:28,882 INFO L255 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 02:05:28,883 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:05:28,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:05:28,901 WARN L253 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-23 02:05:28,902 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:05:28,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 02:05:28,929 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-23 02:05:28,929 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 184 states and 278 transitions. cyclomatic complexity: 117 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 02:05:28,946 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 184 states and 278 transitions. cyclomatic complexity: 117. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 412 states and 625 transitions. Complement of second has 9 states. [2024-11-23 02:05:28,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-23 02:05:28,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 02:05:28,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 24 transitions. [2024-11-23 02:05:28,947 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 12 letters. Loop has 4 letters. [2024-11-23 02:05:28,947 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:05:28,947 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 16 letters. Loop has 4 letters. [2024-11-23 02:05:28,947 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:05:28,947 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 12 letters. Loop has 8 letters. [2024-11-23 02:05:28,947 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:05:28,948 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 412 states and 625 transitions. [2024-11-23 02:05:28,950 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 34 [2024-11-23 02:05:28,956 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 412 states to 280 states and 414 transitions. [2024-11-23 02:05:28,956 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 43 [2024-11-23 02:05:28,956 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 50 [2024-11-23 02:05:28,956 INFO L73 IsDeterministic]: Start isDeterministic. Operand 280 states and 414 transitions. [2024-11-23 02:05:28,956 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-23 02:05:28,956 INFO L218 hiAutomatonCegarLoop]: Abstraction has 280 states and 414 transitions. [2024-11-23 02:05:28,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states and 414 transitions. [2024-11-23 02:05:28,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 226. [2024-11-23 02:05:28,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 226 states have (on average 1.5176991150442478) internal successors, (343), 225 states have internal predecessors, (343), 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) [2024-11-23 02:05:28,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 343 transitions. [2024-11-23 02:05:28,966 INFO L240 hiAutomatonCegarLoop]: Abstraction has 226 states and 343 transitions. [2024-11-23 02:05:28,966 INFO L425 stractBuchiCegarLoop]: Abstraction has 226 states and 343 transitions. [2024-11-23 02:05:28,966 INFO L332 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-11-23 02:05:28,966 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 226 states and 343 transitions. [2024-11-23 02:05:28,967 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 30 [2024-11-23 02:05:28,967 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:05:28,967 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:05:28,968 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 02:05:28,968 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-23 02:05:28,968 INFO L745 eck$LassoCheckResult]: Stem: 2899#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 2900#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 2910#L25-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1; 2917#L25 assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; 2937#L33 assume !(main_~x~0#1 < main_~y~0#1);main_~x~0#1 := main_~y~0#1 - 1; 2931#L33-2 havoc main_#t~nondet4#1;main_~y~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 2929#L25-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1; 2925#L25 assume 0 != main_#t~nondet2#1;havoc main_#t~nondet2#1; 2926#L26 assume !(main_~x~0#1 < main_~y~0#1);main_~y~0#1 := main_~y~0#1 - 1; 2905#L26-2 havoc main_#t~nondet3#1;main_~x~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 2978#L25-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1; 2911#L25 assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; 2912#L33 [2024-11-23 02:05:28,968 INFO L747 eck$LassoCheckResult]: Loop: 2912#L33 assume main_~x~0#1 < main_~y~0#1;main_~x~0#1 := main_~x~0#1 - 1; 2908#L33-2 havoc main_#t~nondet4#1;main_~y~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 2909#L25-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1; 3082#L25 assume 0 != main_#t~nondet2#1;havoc main_#t~nondet2#1; 3081#L26 assume !(main_~x~0#1 < main_~y~0#1);main_~y~0#1 := main_~y~0#1 - 1; 2891#L26-2 havoc main_#t~nondet3#1;main_~x~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 2892#L25-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1; 2916#L25 assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; 2912#L33 [2024-11-23 02:05:28,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:05:28,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1932941662, now seen corresponding path program 1 times [2024-11-23 02:05:28,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:05:28,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676769580] [2024-11-23 02:05:28,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:05:28,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:05:28,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:05:28,972 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:05:28,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:05:28,975 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:05:28,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:05:28,975 INFO L85 PathProgramCache]: Analyzing trace with hash 1739684470, now seen corresponding path program 1 times [2024-11-23 02:05:28,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:05:28,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077843854] [2024-11-23 02:05:28,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:05:28,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:05:28,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:05:28,978 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:05:28,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:05:28,980 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:05:28,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:05:28,981 INFO L85 PathProgramCache]: Analyzing trace with hash -1166086121, now seen corresponding path program 1 times [2024-11-23 02:05:28,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:05:28,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573565437] [2024-11-23 02:05:28,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:05:28,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:05:28,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:05:28,990 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:05:28,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:05:28,998 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:05:29,035 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 02:05:29,035 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 02:05:29,035 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 02:05:29,035 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 02:05:29,035 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-23 02:05:29,035 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:29,036 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 02:05:29,036 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 02:05:29,036 INFO L132 ssoRankerPreferences]: Filename of dumped script: TelAviv-Amir-Minimum.c_Iteration8_Loop [2024-11-23 02:05:29,036 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 02:05:29,036 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 02:05:29,036 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:29,038 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:29,039 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:29,041 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:29,042 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:29,044 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:29,079 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 02:05:29,079 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-23 02:05:29,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:29,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:29,082 INFO L229 MonitoredProcess]: Starting monitored process 57 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:05:29,082 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2024-11-23 02:05:29,083 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 02:05:29,084 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:05:29,100 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-23 02:05:29,101 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_15=1} Honda state: {v_rep~unnamed0~0~true_15=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-23 02:05:29,106 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2024-11-23 02:05:29,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:29,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:29,107 INFO L229 MonitoredProcess]: Starting monitored process 58 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:05:29,108 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2024-11-23 02:05:29,109 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 02:05:29,109 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:05:29,119 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-23 02:05:29,119 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet4#1=0} Honda state: {ULTIMATE.start_main_#t~nondet4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-23 02:05:29,124 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2024-11-23 02:05:29,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:29,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:29,125 INFO L229 MonitoredProcess]: Starting monitored process 59 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:05:29,126 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2024-11-23 02:05:29,127 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 02:05:29,127 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:05:29,138 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-23 02:05:29,138 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3#1=0} Honda state: {ULTIMATE.start_main_#t~nondet3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-23 02:05:29,144 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2024-11-23 02:05:29,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:29,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:29,146 INFO L229 MonitoredProcess]: Starting monitored process 60 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:05:29,146 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2024-11-23 02:05:29,147 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 02:05:29,147 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:05:29,158 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-23 02:05:29,158 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2#1=0} Honda state: {ULTIMATE.start_main_#t~nondet2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-23 02:05:29,163 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2024-11-23 02:05:29,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:29,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:29,165 INFO L229 MonitoredProcess]: Starting monitored process 61 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:05:29,165 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2024-11-23 02:05:29,166 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 02:05:29,166 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:05:29,183 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-23 02:05:29,184 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_15=0} Honda state: {v_rep~unnamed0~0~false_15=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-23 02:05:29,189 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2024-11-23 02:05:29,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:29,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:29,190 INFO L229 MonitoredProcess]: Starting monitored process 62 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:05:29,190 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2024-11-23 02:05:29,191 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 02:05:29,191 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:05:29,214 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2024-11-23 02:05:29,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:29,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:29,216 INFO L229 MonitoredProcess]: Starting monitored process 63 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:05:29,217 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2024-11-23 02:05:29,218 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-23 02:05:29,218 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:05:29,275 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-23 02:05:29,279 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2024-11-23 02:05:29,279 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 02:05:29,279 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 02:05:29,279 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 02:05:29,279 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 02:05:29,279 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-23 02:05:29,279 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:29,279 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 02:05:29,279 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 02:05:29,279 INFO L132 ssoRankerPreferences]: Filename of dumped script: TelAviv-Amir-Minimum.c_Iteration8_Loop [2024-11-23 02:05:29,279 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 02:05:29,279 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 02:05:29,280 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:29,283 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:29,286 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:29,288 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:29,289 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:29,295 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:29,321 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 02:05:29,321 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-23 02:05:29,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:29,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:29,322 INFO L229 MonitoredProcess]: Starting monitored process 64 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:05:29,323 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2024-11-23 02:05:29,324 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 [2024-11-23 02:05:29,333 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:05:29,334 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:05:29,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:05:29,334 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:05:29,334 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:05:29,334 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:05:29,334 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:05:29,335 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:05:29,340 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2024-11-23 02:05:29,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:29,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:29,341 INFO L229 MonitoredProcess]: Starting monitored process 65 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:05:29,342 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2024-11-23 02:05:29,343 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 [2024-11-23 02:05:29,352 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:05:29,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:05:29,353 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:05:29,353 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:05:29,354 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-23 02:05:29,354 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-23 02:05:29,356 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:05:29,361 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2024-11-23 02:05:29,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:29,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:29,362 INFO L229 MonitoredProcess]: Starting monitored process 66 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:05:29,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2024-11-23 02:05:29,365 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 [2024-11-23 02:05:29,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:05:29,376 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:05:29,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:05:29,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:05:29,376 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:05:29,377 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:05:29,377 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:05:29,378 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:05:29,384 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2024-11-23 02:05:29,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:29,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:29,385 INFO L229 MonitoredProcess]: Starting monitored process 67 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:05:29,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2024-11-23 02:05:29,388 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 [2024-11-23 02:05:29,399 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:05:29,400 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:05:29,400 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:05:29,400 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:05:29,400 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:05:29,400 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:05:29,400 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:05:29,401 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:05:29,407 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2024-11-23 02:05:29,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:29,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:29,409 INFO L229 MonitoredProcess]: Starting monitored process 68 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:05:29,410 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2024-11-23 02:05:29,411 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 [2024-11-23 02:05:29,423 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:05:29,423 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:05:29,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:05:29,423 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:05:29,423 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:05:29,423 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:05:29,423 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:05:29,425 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-23 02:05:29,428 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-23 02:05:29,428 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-23 02:05:29,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:29,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:29,430 INFO L229 MonitoredProcess]: Starting monitored process 69 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:05:29,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2024-11-23 02:05:29,432 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-23 02:05:29,432 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-23 02:05:29,432 INFO L474 LassoAnalysis]: Proved termination. [2024-11-23 02:05:29,432 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2024-11-23 02:05:29,438 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2024-11-23 02:05:29,438 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-23 02:05:29,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:05:29,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:05:29,454 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 02:05:29,454 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:05:29,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:05:29,471 INFO L255 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-23 02:05:29,471 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:05:29,503 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 02:05:29,504 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2024-11-23 02:05:29,504 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 226 states and 343 transitions. cyclomatic complexity: 140 Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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) [2024-11-23 02:05:29,541 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 226 states and 343 transitions. cyclomatic complexity: 140. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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 446 states and 706 transitions. Complement of second has 9 states. [2024-11-23 02:05:29,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-23 02:05:29,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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) [2024-11-23 02:05:29,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 28 transitions. [2024-11-23 02:05:29,542 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 12 letters. Loop has 8 letters. [2024-11-23 02:05:29,542 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:05:29,542 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-23 02:05:29,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:05:29,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:05:29,555 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 02:05:29,555 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:05:29,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:05:29,569 INFO L255 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-23 02:05:29,569 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:05:29,599 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 02:05:29,600 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 4 loop predicates [2024-11-23 02:05:29,600 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 226 states and 343 transitions. cyclomatic complexity: 140 Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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) [2024-11-23 02:05:29,634 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 226 states and 343 transitions. cyclomatic complexity: 140. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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 434 states and 652 transitions. Complement of second has 9 states. [2024-11-23 02:05:29,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-23 02:05:29,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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) [2024-11-23 02:05:29,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 23 transitions. [2024-11-23 02:05:29,636 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 12 letters. Loop has 8 letters. [2024-11-23 02:05:29,637 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:05:29,637 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-23 02:05:29,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:05:29,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:05:29,655 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 02:05:29,656 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:05:29,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:05:29,669 INFO L255 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-23 02:05:29,669 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:05:29,698 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 02:05:29,699 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2024-11-23 02:05:29,699 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 226 states and 343 transitions. cyclomatic complexity: 140 Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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) [2024-11-23 02:05:29,746 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 226 states and 343 transitions. cyclomatic complexity: 140. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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 652 states and 1016 transitions. Complement of second has 13 states. [2024-11-23 02:05:29,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-23 02:05:29,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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) [2024-11-23 02:05:29,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 32 transitions. [2024-11-23 02:05:29,747 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 12 letters. Loop has 8 letters. [2024-11-23 02:05:29,747 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:05:29,747 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 20 letters. Loop has 8 letters. [2024-11-23 02:05:29,747 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:05:29,747 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 12 letters. Loop has 16 letters. [2024-11-23 02:05:29,748 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:05:29,748 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 652 states and 1016 transitions. [2024-11-23 02:05:29,752 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 105 [2024-11-23 02:05:29,756 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 652 states to 464 states and 709 transitions. [2024-11-23 02:05:29,756 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 55 [2024-11-23 02:05:29,757 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 59 [2024-11-23 02:05:29,757 INFO L73 IsDeterministic]: Start isDeterministic. Operand 464 states and 709 transitions. [2024-11-23 02:05:29,757 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-23 02:05:29,757 INFO L218 hiAutomatonCegarLoop]: Abstraction has 464 states and 709 transitions. [2024-11-23 02:05:29,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states and 709 transitions. [2024-11-23 02:05:29,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 313. [2024-11-23 02:05:29,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 313 states have (on average 1.5782747603833867) internal successors, (494), 312 states have internal predecessors, (494), 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) [2024-11-23 02:05:29,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 494 transitions. [2024-11-23 02:05:29,773 INFO L240 hiAutomatonCegarLoop]: Abstraction has 313 states and 494 transitions. [2024-11-23 02:05:29,773 INFO L425 stractBuchiCegarLoop]: Abstraction has 313 states and 494 transitions. [2024-11-23 02:05:29,773 INFO L332 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2024-11-23 02:05:29,773 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 313 states and 494 transitions. [2024-11-23 02:05:29,774 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 93 [2024-11-23 02:05:29,774 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:05:29,774 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:05:29,775 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-23 02:05:29,775 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-23 02:05:29,775 INFO L745 eck$LassoCheckResult]: Stem: 4894#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 4895#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 4907#L25-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1; 4890#L25 assume 0 != main_#t~nondet2#1;havoc main_#t~nondet2#1; 4891#L26 assume !(main_~x~0#1 < main_~y~0#1);main_~y~0#1 := main_~y~0#1 - 1; 4965#L26-2 havoc main_#t~nondet3#1;main_~x~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 5099#L25-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1; 5096#L25 assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; 5094#L33 [2024-11-23 02:05:29,775 INFO L747 eck$LassoCheckResult]: Loop: 5094#L33 assume !(main_~x~0#1 < main_~y~0#1);main_~x~0#1 := main_~y~0#1 - 1; 4897#L33-2 havoc main_#t~nondet4#1;main_~y~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 5048#L25-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1; 5056#L25 assume 0 != main_#t~nondet2#1;havoc main_#t~nondet2#1; 5053#L26 assume !(main_~x~0#1 < main_~y~0#1);main_~y~0#1 := main_~y~0#1 - 1; 5055#L26-2 havoc main_#t~nondet3#1;main_~x~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 5100#L25-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1; 5103#L25 assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; 5094#L33 [2024-11-23 02:05:29,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:05:29,775 INFO L85 PathProgramCache]: Analyzing trace with hash 295989428, now seen corresponding path program 1 times [2024-11-23 02:05:29,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:05:29,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564730744] [2024-11-23 02:05:29,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:05:29,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:05:29,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:05:29,781 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:05:29,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:05:29,787 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:05:29,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:05:29,787 INFO L85 PathProgramCache]: Analyzing trace with hash 930337844, now seen corresponding path program 1 times [2024-11-23 02:05:29,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:05:29,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38264404] [2024-11-23 02:05:29,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:05:29,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:05:29,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:05:29,790 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:05:29,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:05:29,792 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:05:29,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:05:29,792 INFO L85 PathProgramCache]: Analyzing trace with hash 25289191, now seen corresponding path program 2 times [2024-11-23 02:05:29,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:05:29,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979403885] [2024-11-23 02:05:29,792 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 02:05:29,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:05:29,795 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 02:05:29,796 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-23 02:05:29,796 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:05:29,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:05:29,799 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:05:29,832 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 02:05:29,832 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 02:05:29,832 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 02:05:29,832 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 02:05:29,832 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-23 02:05:29,832 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:29,832 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 02:05:29,833 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 02:05:29,833 INFO L132 ssoRankerPreferences]: Filename of dumped script: TelAviv-Amir-Minimum.c_Iteration9_Loop [2024-11-23 02:05:29,833 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 02:05:29,833 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 02:05:29,833 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:29,839 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:29,841 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:29,842 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:29,844 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:29,845 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:29,874 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 02:05:29,874 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-23 02:05:29,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:29,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:29,876 INFO L229 MonitoredProcess]: Starting monitored process 70 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:05:29,877 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2024-11-23 02:05:29,878 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 02:05:29,878 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:05:29,897 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2024-11-23 02:05:29,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:29,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:29,899 INFO L229 MonitoredProcess]: Starting monitored process 71 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:05:29,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2024-11-23 02:05:29,901 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-23 02:05:29,901 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:05:29,935 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-23 02:05:29,940 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2024-11-23 02:05:29,940 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 02:05:29,940 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 02:05:29,940 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 02:05:29,940 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 02:05:29,940 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-23 02:05:29,940 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:29,940 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 02:05:29,940 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 02:05:29,940 INFO L132 ssoRankerPreferences]: Filename of dumped script: TelAviv-Amir-Minimum.c_Iteration9_Loop [2024-11-23 02:05:29,940 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 02:05:29,940 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 02:05:29,941 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:29,944 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:29,949 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:29,950 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:29,952 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:29,953 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:29,979 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 02:05:29,979 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-23 02:05:29,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:29,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:29,980 INFO L229 MonitoredProcess]: Starting monitored process 72 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:05:29,981 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2024-11-23 02:05:29,982 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 [2024-11-23 02:05:29,991 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:05:29,992 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:05:29,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:05:29,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:05:29,992 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:05:29,992 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:05:29,992 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:05:29,993 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:05:29,998 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2024-11-23 02:05:29,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:29,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:29,999 INFO L229 MonitoredProcess]: Starting monitored process 73 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:05:30,000 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2024-11-23 02:05:30,001 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 [2024-11-23 02:05:30,013 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:05:30,014 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:05:30,014 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:05:30,014 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:05:30,014 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:05:30,014 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:05:30,014 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:05:30,016 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-23 02:05:30,018 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-23 02:05:30,018 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-23 02:05:30,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:30,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:30,019 INFO L229 MonitoredProcess]: Starting monitored process 74 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:05:30,020 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2024-11-23 02:05:30,021 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-23 02:05:30,021 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-23 02:05:30,021 INFO L474 LassoAnalysis]: Proved termination. [2024-11-23 02:05:30,021 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2024-11-23 02:05:30,027 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2024-11-23 02:05:30,027 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-23 02:05:30,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:05:30,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:05:30,042 INFO L255 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 02:05:30,043 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:05:30,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:05:30,061 INFO L255 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-23 02:05:30,061 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:05:30,088 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 02:05:30,089 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2024-11-23 02:05:30,089 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 313 states and 494 transitions. cyclomatic complexity: 204 Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 02:05:30,141 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 313 states and 494 transitions. cyclomatic complexity: 204. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 673 states and 1074 transitions. Complement of second has 8 states. [2024-11-23 02:05:30,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-23 02:05:30,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 02:05:30,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 30 transitions. [2024-11-23 02:05:30,143 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 8 letters. Loop has 8 letters. [2024-11-23 02:05:30,143 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:05:30,143 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 16 letters. Loop has 8 letters. [2024-11-23 02:05:30,143 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:05:30,143 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 8 letters. Loop has 16 letters. [2024-11-23 02:05:30,144 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:05:30,144 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 673 states and 1074 transitions. [2024-11-23 02:05:30,144 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2024-11-23 02:05:30,149 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2024-11-23 02:05:30,154 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 673 states to 393 states and 609 transitions. [2024-11-23 02:05:30,154 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2024-11-23 02:05:30,154 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 31 [2024-11-23 02:05:30,154 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 33 [2024-11-23 02:05:30,155 INFO L73 IsDeterministic]: Start isDeterministic. Operand 393 states and 609 transitions. [2024-11-23 02:05:30,155 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-23 02:05:30,155 INFO L218 hiAutomatonCegarLoop]: Abstraction has 393 states and 609 transitions. [2024-11-23 02:05:30,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states and 609 transitions. [2024-11-23 02:05:30,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 274. [2024-11-23 02:05:30,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 274 states have (on average 1.5547445255474452) internal successors, (426), 273 states have internal predecessors, (426), 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) [2024-11-23 02:05:30,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 426 transitions. [2024-11-23 02:05:30,160 INFO L240 hiAutomatonCegarLoop]: Abstraction has 274 states and 426 transitions. [2024-11-23 02:05:30,160 INFO L425 stractBuchiCegarLoop]: Abstraction has 274 states and 426 transitions. [2024-11-23 02:05:30,161 INFO L332 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2024-11-23 02:05:30,161 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 274 states and 426 transitions. [2024-11-23 02:05:30,162 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-23 02:05:30,162 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:05:30,162 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:05:30,162 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 3, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 02:05:30,162 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-23 02:05:30,163 INFO L745 eck$LassoCheckResult]: Stem: 5955#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 5956#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 5966#L25-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1; 5981#L25 assume 0 != main_#t~nondet2#1;havoc main_#t~nondet2#1; 5974#L26 assume !(main_~x~0#1 < main_~y~0#1);main_~y~0#1 := main_~y~0#1 - 1; 5971#L26-2 havoc main_#t~nondet3#1;main_~x~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 5968#L25-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1; 5967#L25 assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; 5957#L33 assume main_~x~0#1 < main_~y~0#1;main_~x~0#1 := main_~x~0#1 - 1; 5958#L33-2 havoc main_#t~nondet4#1;main_~y~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 6082#L25-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1; 6079#L25 assume 0 != main_#t~nondet2#1;havoc main_#t~nondet2#1; 6081#L26 assume main_~x~0#1 < main_~y~0#1;main_~y~0#1 := main_~x~0#1 - 1; 6099#L26-2 havoc main_#t~nondet3#1;main_~x~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 6096#L25-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1; 6092#L25 assume 0 != main_#t~nondet2#1;havoc main_#t~nondet2#1; 5952#L26 [2024-11-23 02:05:30,163 INFO L747 eck$LassoCheckResult]: Loop: 5952#L26 assume !(main_~x~0#1 < main_~y~0#1);main_~y~0#1 := main_~y~0#1 - 1; 5948#L26-2 havoc main_#t~nondet3#1;main_~x~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 5949#L25-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1; 5951#L25 assume 0 != main_#t~nondet2#1;havoc main_#t~nondet2#1; 5952#L26 [2024-11-23 02:05:30,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:05:30,163 INFO L85 PathProgramCache]: Analyzing trace with hash 834576226, now seen corresponding path program 1 times [2024-11-23 02:05:30,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:05:30,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692594253] [2024-11-23 02:05:30,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:05:30,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:05:30,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:05:30,169 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:05:30,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:05:30,172 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:05:30,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:05:30,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1510086, now seen corresponding path program 2 times [2024-11-23 02:05:30,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:05:30,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974904195] [2024-11-23 02:05:30,173 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 02:05:30,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:05:30,176 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-23 02:05:30,176 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-23 02:05:30,176 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:05:30,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:05:30,178 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:05:30,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:05:30,181 INFO L85 PathProgramCache]: Analyzing trace with hash -389738073, now seen corresponding path program 2 times [2024-11-23 02:05:30,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:05:30,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903832203] [2024-11-23 02:05:30,182 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 02:05:30,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:05:30,191 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 02:05:30,192 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-23 02:05:30,192 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:05:30,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:05:30,197 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:05:30,226 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 02:05:30,227 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 02:05:30,227 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 02:05:30,227 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 02:05:30,227 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-23 02:05:30,227 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:30,227 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 02:05:30,227 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 02:05:30,227 INFO L132 ssoRankerPreferences]: Filename of dumped script: TelAviv-Amir-Minimum.c_Iteration10_Loop [2024-11-23 02:05:30,227 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 02:05:30,227 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 02:05:30,228 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:30,229 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:30,231 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:30,233 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:30,234 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:30,269 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 02:05:30,269 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-23 02:05:30,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:30,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:30,272 INFO L229 MonitoredProcess]: Starting monitored process 75 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:05:30,272 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2024-11-23 02:05:30,274 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 02:05:30,274 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:05:30,285 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-23 02:05:30,286 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3#1=0} Honda state: {ULTIMATE.start_main_#t~nondet3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-23 02:05:30,291 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2024-11-23 02:05:30,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:30,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:30,292 INFO L229 MonitoredProcess]: Starting monitored process 76 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:05:30,293 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2024-11-23 02:05:30,293 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 02:05:30,294 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:05:30,310 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-23 02:05:30,310 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_19=0} Honda state: {v_rep~unnamed0~0~false_19=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-23 02:05:30,316 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2024-11-23 02:05:30,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:30,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:30,317 INFO L229 MonitoredProcess]: Starting monitored process 77 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:05:30,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2024-11-23 02:05:30,319 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 02:05:30,319 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:05:30,335 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-23 02:05:30,336 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_19=1} Honda state: {v_rep~unnamed0~0~true_19=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-23 02:05:30,341 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2024-11-23 02:05:30,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:30,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:30,342 INFO L229 MonitoredProcess]: Starting monitored process 78 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:05:30,343 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2024-11-23 02:05:30,344 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 02:05:30,344 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:05:30,354 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-23 02:05:30,354 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2#1=0} Honda state: {ULTIMATE.start_main_#t~nondet2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-23 02:05:30,359 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2024-11-23 02:05:30,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:30,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:30,360 INFO L229 MonitoredProcess]: Starting monitored process 79 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:05:30,361 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2024-11-23 02:05:30,362 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 02:05:30,362 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:05:30,377 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2024-11-23 02:05:30,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:30,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:30,378 INFO L229 MonitoredProcess]: Starting monitored process 80 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:05:30,379 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2024-11-23 02:05:30,380 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-23 02:05:30,380 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:05:30,442 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-23 02:05:30,446 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2024-11-23 02:05:30,446 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 02:05:30,446 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 02:05:30,446 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 02:05:30,446 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 02:05:30,447 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-23 02:05:30,447 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:30,447 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 02:05:30,447 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 02:05:30,447 INFO L132 ssoRankerPreferences]: Filename of dumped script: TelAviv-Amir-Minimum.c_Iteration10_Loop [2024-11-23 02:05:30,447 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 02:05:30,447 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 02:05:30,448 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:30,450 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:30,454 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:30,455 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:30,457 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:05:30,496 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 02:05:30,496 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-23 02:05:30,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:30,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:30,497 INFO L229 MonitoredProcess]: Starting monitored process 81 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:05:30,497 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2024-11-23 02:05:30,499 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 [2024-11-23 02:05:30,508 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:05:30,509 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:05:30,509 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:05:30,509 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:05:30,509 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:05:30,509 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:05:30,509 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:05:30,510 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:05:30,515 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2024-11-23 02:05:30,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:30,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:30,517 INFO L229 MonitoredProcess]: Starting monitored process 82 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:05:30,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2024-11-23 02:05:30,518 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-23 02:05:30,528 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:05:30,528 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:05:30,528 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:05:30,528 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:05:30,528 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:05:30,528 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:05:30,529 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:05:30,530 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:05:30,535 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2024-11-23 02:05:30,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:30,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:30,536 INFO L229 MonitoredProcess]: Starting monitored process 83 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:05:30,536 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2024-11-23 02:05:30,537 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 [2024-11-23 02:05:30,547 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:05:30,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:05:30,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:05:30,547 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:05:30,548 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-23 02:05:30,549 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-23 02:05:30,551 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:05:30,557 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2024-11-23 02:05:30,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:30,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:30,558 INFO L229 MonitoredProcess]: Starting monitored process 84 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:05:30,559 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2024-11-23 02:05:30,559 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 [2024-11-23 02:05:30,569 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:05:30,569 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:05:30,569 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:05:30,569 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:05:30,571 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-23 02:05:30,571 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-23 02:05:30,573 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:05:30,579 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2024-11-23 02:05:30,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:30,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:30,581 INFO L229 MonitoredProcess]: Starting monitored process 85 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:05:30,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2024-11-23 02:05:30,582 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 [2024-11-23 02:05:30,592 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:05:30,592 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:05:30,592 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:05:30,592 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:05:30,592 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:05:30,593 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:05:30,593 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:05:30,595 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-23 02:05:30,597 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-23 02:05:30,597 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-23 02:05:30,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:05:30,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:05:30,599 INFO L229 MonitoredProcess]: Starting monitored process 86 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:05:30,600 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2024-11-23 02:05:30,600 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-23 02:05:30,600 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-23 02:05:30,601 INFO L474 LassoAnalysis]: Proved termination. [2024-11-23 02:05:30,601 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2024-11-23 02:05:30,606 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2024-11-23 02:05:30,607 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-23 02:05:30,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:05:30,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:05:30,622 INFO L255 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 02:05:30,623 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:05:30,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:05:30,645 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 02:05:30,645 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:05:30,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 02:05:30,662 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-23 02:05:30,662 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 274 states and 426 transitions. cyclomatic complexity: 176 Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 02:05:30,676 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 274 states and 426 transitions. cyclomatic complexity: 176. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 414 states and 641 transitions. Complement of second has 7 states. [2024-11-23 02:05:30,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-23 02:05:30,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 02:05:30,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2024-11-23 02:05:30,681 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 16 letters. Loop has 4 letters. [2024-11-23 02:05:30,681 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:05:30,681 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-23 02:05:30,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:05:30,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:05:30,695 INFO L255 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 02:05:30,695 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:05:30,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:05:30,712 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 02:05:30,712 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:05:30,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 02:05:30,729 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-23 02:05:30,730 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 274 states and 426 transitions. cyclomatic complexity: 176 Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 02:05:30,749 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 274 states and 426 transitions. cyclomatic complexity: 176. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 423 states and 630 transitions. Complement of second has 7 states. [2024-11-23 02:05:30,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-23 02:05:30,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 02:05:30,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2024-11-23 02:05:30,750 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 16 letters. Loop has 4 letters. [2024-11-23 02:05:30,750 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:05:30,750 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-23 02:05:30,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:05:30,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:05:30,765 INFO L255 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 02:05:30,765 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:05:30,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:05:30,784 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 02:05:30,784 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:05:30,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 02:05:30,800 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-23 02:05:30,800 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 274 states and 426 transitions. cyclomatic complexity: 176 Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 02:05:30,817 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 274 states and 426 transitions. cyclomatic complexity: 176. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 579 states and 992 transitions. Complement of second has 8 states. [2024-11-23 02:05:30,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-23 02:05:30,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 02:05:30,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2024-11-23 02:05:30,818 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 16 letters. Loop has 4 letters. [2024-11-23 02:05:30,818 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:05:30,818 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 20 letters. Loop has 4 letters. [2024-11-23 02:05:30,818 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:05:30,819 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 16 letters. Loop has 8 letters. [2024-11-23 02:05:30,819 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:05:30,819 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 579 states and 992 transitions. [2024-11-23 02:05:30,821 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-23 02:05:30,822 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 579 states to 0 states and 0 transitions. [2024-11-23 02:05:30,822 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-23 02:05:30,822 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-23 02:05:30,822 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-23 02:05:30,822 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-23 02:05:30,822 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 02:05:30,822 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 02:05:30,822 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 02:05:30,822 INFO L332 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2024-11-23 02:05:30,822 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-23 02:05:30,822 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-23 02:05:30,822 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-23 02:05:30,828 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 02:05:30 BoogieIcfgContainer [2024-11-23 02:05:30,828 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-23 02:05:30,829 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 02:05:30,829 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 02:05:30,829 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 02:05:30,829 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:05:24" (3/4) ... [2024-11-23 02:05:30,831 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-23 02:05:30,832 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 02:05:30,832 INFO L158 Benchmark]: Toolchain (without parser) took 6615.34ms. Allocated memory was 148.9MB in the beginning and 260.0MB in the end (delta: 111.1MB). Free memory was 77.7MB in the beginning and 161.2MB in the end (delta: -83.5MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. [2024-11-23 02:05:30,832 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 148.9MB. Free memory is still 100.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 02:05:30,833 INFO L158 Benchmark]: CACSL2BoogieTranslator took 161.34ms. Allocated memory is still 148.9MB. Free memory was 77.4MB in the beginning and 66.1MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-23 02:05:30,833 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.30ms. Allocated memory is still 148.9MB. Free memory was 66.1MB in the beginning and 64.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-23 02:05:30,833 INFO L158 Benchmark]: Boogie Preprocessor took 19.05ms. Allocated memory is still 148.9MB. Free memory was 64.7MB in the beginning and 63.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 02:05:30,833 INFO L158 Benchmark]: RCFGBuilder took 232.81ms. Allocated memory was 148.9MB in the beginning and 216.0MB in the end (delta: 67.1MB). Free memory was 63.3MB in the beginning and 182.9MB in the end (delta: -119.6MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2024-11-23 02:05:30,833 INFO L158 Benchmark]: BuchiAutomizer took 6173.47ms. Allocated memory was 216.0MB in the beginning and 260.0MB in the end (delta: 44.0MB). Free memory was 182.9MB in the beginning and 162.2MB in the end (delta: 20.7MB). Peak memory consumption was 65.8MB. Max. memory is 16.1GB. [2024-11-23 02:05:30,833 INFO L158 Benchmark]: Witness Printer took 3.10ms. Allocated memory is still 260.0MB. Free memory was 162.2MB in the beginning and 161.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 02:05:30,834 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 148.9MB. Free memory is still 100.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 161.34ms. Allocated memory is still 148.9MB. Free memory was 77.4MB in the beginning and 66.1MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.30ms. Allocated memory is still 148.9MB. Free memory was 66.1MB in the beginning and 64.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.05ms. Allocated memory is still 148.9MB. Free memory was 64.7MB in the beginning and 63.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 232.81ms. Allocated memory was 148.9MB in the beginning and 216.0MB in the end (delta: 67.1MB). Free memory was 63.3MB in the beginning and 182.9MB in the end (delta: -119.6MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 6173.47ms. Allocated memory was 216.0MB in the beginning and 260.0MB in the end (delta: 44.0MB). Free memory was 182.9MB in the beginning and 162.2MB in the end (delta: 20.7MB). Peak memory consumption was 65.8MB. Max. memory is 16.1GB. * Witness Printer took 3.10ms. Allocated memory is still 260.0MB. Free memory was 162.2MB in the beginning and 161.2MB 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 10 terminating modules (0 trivial, 6 deterministic, 4 nondeterministic). One deterministic module has affine ranking function x and consists of 5 locations. One deterministic module has affine ranking function y and consists of 4 locations. One deterministic module has affine ranking function y and consists of 4 locations. One deterministic module has affine ranking function x and consists of 4 locations. One deterministic module has affine ranking function y and consists of 5 locations. One deterministic module has affine ranking function y and consists of 5 locations. One nondeterministic module has affine ranking function x and consists of 4 locations. One nondeterministic module has affine ranking function y and consists of 4 locations. One nondeterministic module has affine ranking function y and consists of 5 locations. One nondeterministic module has affine ranking function y and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.1s and 11 iterations. TraceHistogramMax:4. Analysis of lassos took 4.1s. Construction of modules took 0.2s. Büchi inclusion checks took 1.5s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 9. Automata minimization 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 386 StatesRemovedByMinimization, 9 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 [6, 0, 4, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/6 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 273 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 255 mSDsluCounter, 337 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 115 mSDsCounter, 95 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 345 IncrementalHoareTripleChecker+Invalid, 440 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 95 mSolverCounterUnsat, 222 mSDtfsCounter, 345 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT10 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital16 mio100 ax174 hnf100 lsp57 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq130 hnf96 smp100 dnf100 smp100 tf109 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 22ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 23 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 10 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.2s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-23 02:05:30,847 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2024-11-23 02:05:31,050 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE