./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/UpAndDown.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/UpAndDown.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB --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 1a3ce217426a55eb46107f2cdf23c10dcc5d92a99768880786a980fae67c3971 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:09:38,286 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:09:38,365 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-28 04:09:38,375 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:09:38,378 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:09:38,413 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:09:38,414 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:09:38,415 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:09:38,415 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:09:38,415 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:09:38,416 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:09:38,417 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:09:38,417 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:09:38,417 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-28 04:09:38,417 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-28 04:09:38,417 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-28 04:09:38,417 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-28 04:09:38,418 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-28 04:09:38,418 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-28 04:09:38,418 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:09:38,418 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-28 04:09:38,419 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:09:38,419 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:09:38,419 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-28 04:09:38,419 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-28 04:09:38,419 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-28 04:09:38,419 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 04:09:38,420 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:09:38,420 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-28 04:09:38,420 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:09:38,420 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:09:38,421 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:09:38,421 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:09:38,421 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:09:38,421 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-28 04:09:38,422 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-28 04:09:38,422 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 1a3ce217426a55eb46107f2cdf23c10dcc5d92a99768880786a980fae67c3971 [2024-11-28 04:09:38,741 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:09:38,751 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:09:38,755 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:09:38,757 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:09:38,757 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:09:38,760 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/termination-restricted-15/UpAndDown.c [2024-11-28 04:09:41,727 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/data/5ff499a37/3945fe44918d4bbaabab57f651f8c0ca/FLAGca87b955a [2024-11-28 04:09:42,032 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:09:42,033 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/sv-benchmarks/c/termination-restricted-15/UpAndDown.c [2024-11-28 04:09:42,049 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/data/5ff499a37/3945fe44918d4bbaabab57f651f8c0ca/FLAGca87b955a [2024-11-28 04:09:42,309 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/data/5ff499a37/3945fe44918d4bbaabab57f651f8c0ca [2024-11-28 04:09:42,312 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:09:42,313 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:09:42,314 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:09:42,314 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:09:42,320 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:09:42,321 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:09:42" (1/1) ... [2024-11-28 04:09:42,324 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fe79a05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:09:42, skipping insertion in model container [2024-11-28 04:09:42,324 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:09:42" (1/1) ... [2024-11-28 04:09:42,340 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:09:42,506 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:09:42,510 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:09:42,524 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:09:42,534 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:09:42,535 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:09:42 WrapperNode [2024-11-28 04:09:42,535 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:09:42,536 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:09:42,536 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:09:42,536 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:09:42,542 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:09:42" (1/1) ... [2024-11-28 04:09:42,546 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:09:42" (1/1) ... [2024-11-28 04:09:42,560 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2024-11-28 04:09:42,561 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:09:42,561 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:09:42,561 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:09:42,561 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:09:42,570 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:09:42" (1/1) ... [2024-11-28 04:09:42,571 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:09:42" (1/1) ... [2024-11-28 04:09:42,572 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:09:42" (1/1) ... [2024-11-28 04:09:42,578 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-28 04:09:42,578 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:09:42" (1/1) ... [2024-11-28 04:09:42,578 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:09:42" (1/1) ... [2024-11-28 04:09:42,579 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:09:42" (1/1) ... [2024-11-28 04:09:42,580 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:09:42" (1/1) ... [2024-11-28 04:09:42,587 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:09:42" (1/1) ... [2024-11-28 04:09:42,588 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:09:42" (1/1) ... [2024-11-28 04:09:42,588 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:09:42" (1/1) ... [2024-11-28 04:09:42,593 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:09:42,594 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:09:42,594 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:09:42,594 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:09:42,595 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:09:42" (1/1) ... [2024-11-28 04:09:42,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:42,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:42,635 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:09:42,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-28 04:09:42,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:09:42,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:09:42,730 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:09:42,733 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:09:42,797 INFO L? ?]: Removed 3 outVars from TransFormulas that were not future-live. [2024-11-28 04:09:42,797 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:09:42,805 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:09:42,806 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 04:09:42,806 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:09:42 BoogieIcfgContainer [2024-11-28 04:09:42,806 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:09:42,807 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-28 04:09:42,807 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-28 04:09:42,812 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-28 04:09:42,813 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 04:09:42,813 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 04:09:42" (1/3) ... [2024-11-28 04:09:42,814 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7103e850 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 04:09:42, skipping insertion in model container [2024-11-28 04:09:42,814 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 04:09:42,814 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:09:42" (2/3) ... [2024-11-28 04:09:42,815 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7103e850 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 04:09:42, skipping insertion in model container [2024-11-28 04:09:42,815 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 04:09:42,815 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:09:42" (3/3) ... [2024-11-28 04:09:42,816 INFO L363 chiAutomizerObserver]: Analyzing ICFG UpAndDown.c [2024-11-28 04:09:42,861 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-28 04:09:42,861 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-28 04:09:42,861 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-28 04:09:42,861 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-28 04:09:42,862 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-28 04:09:42,862 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-28 04:09:42,862 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-28 04:09:42,862 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-28 04:09:42,866 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 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) [2024-11-28 04:09:42,878 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-28 04:09:42,878 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 04:09:42,879 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 04:09:42,882 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-28 04:09:42,882 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-28 04:09:42,882 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-28 04:09:42,882 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 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) [2024-11-28 04:09:42,883 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-28 04:09:42,883 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 04:09:42,883 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 04:09:42,884 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-28 04:09:42,884 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-28 04:09:42,889 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1, main_~up~0#1;havoc main_~i~0#1;havoc main_~up~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~up~0#1 := 0;" [2024-11-28 04:09:42,890 INFO L749 eck$LassoCheckResult]: Loop: "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume 0 == main_~i~0#1;main_~up~0#1 := 1;" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" [2024-11-28 04:09:42,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:09:42,895 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-28 04:09:42,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:09:42,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970237021] [2024-11-28 04:09:42,903 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:09:42,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:09:42,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:09:42,973 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:09:42,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:09:42,989 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:09:42,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:09:42,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1177871, now seen corresponding path program 1 times [2024-11-28 04:09:42,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:09:42,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914039511] [2024-11-28 04:09:42,996 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:09:42,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:09:43,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:09:43,012 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:09:43,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:09:43,023 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:09:43,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:09:43,026 INFO L85 PathProgramCache]: Analyzing trace with hash 889605073, now seen corresponding path program 1 times [2024-11-28 04:09:43,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:09:43,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941029532] [2024-11-28 04:09:43,027 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:09:43,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:09:43,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:09:43,041 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:09:43,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:09:43,050 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:09:43,191 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 04:09:43,192 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 04:09:43,192 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 04:09:43,192 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 04:09:43,193 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 04:09:43,193 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:43,193 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 04:09:43,194 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 04:09:43,195 INFO L132 ssoRankerPreferences]: Filename of dumped script: UpAndDown.c_Iteration1_Loop [2024-11-28 04:09:43,195 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 04:09:43,195 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 04:09:43,211 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:09:43,227 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:09:43,235 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:09:43,244 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:09:43,344 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 04:09:43,345 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 04:09:43,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:43,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:43,353 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:09:43,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-28 04:09:43,355 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 04:09:43,356 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:09:43,376 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 04:09:43,376 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~up~0#1=1} Honda state: {ULTIMATE.start_main_~up~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 04:09:43,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-28 04:09:43,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:43,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:43,388 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:09:43,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-28 04:09:43,393 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 04:09:43,393 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:09:43,419 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 04:09:43,419 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: [] [2024-11-28 04:09:43,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-11-28 04:09:43,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:43,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:43,432 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:09:43,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-28 04:09:43,434 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 04:09:43,435 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:09:43,461 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 04:09:43,461 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: [] [2024-11-28 04:09:43,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-11-28 04:09:43,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:43,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:43,470 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:09:43,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-28 04:09:43,472 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 04:09:43,472 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:09:43,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-28 04:09:43,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:43,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:43,496 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:09:43,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-28 04:09:43,499 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 04:09:43,499 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:09:43,518 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 04:09:43,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-28 04:09:43,527 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 04:09:43,527 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 04:09:43,527 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 04:09:43,527 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 04:09:43,527 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 04:09:43,527 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:43,527 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 04:09:43,527 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 04:09:43,527 INFO L132 ssoRankerPreferences]: Filename of dumped script: UpAndDown.c_Iteration1_Loop [2024-11-28 04:09:43,528 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 04:09:43,528 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 04:09:43,529 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:09:43,539 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:09:43,545 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:09:43,559 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:09:43,638 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 04:09:43,642 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 04:09:43,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:43,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:43,645 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:09:43,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-28 04:09:43,653 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 [2024-11-28 04:09:43,668 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:09:43,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:09:43,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:09:43,668 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:09:43,679 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 04:09:43,681 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 04:09:43,695 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:09:43,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-28 04:09:43,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:43,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:43,707 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:09:43,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-28 04:09:43,712 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 [2024-11-28 04:09:43,729 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:09:43,729 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:09:43,729 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:09:43,729 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:09:43,734 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 04:09:43,735 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 04:09:43,749 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:09:43,765 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-11-28 04:09:43,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:43,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:43,768 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:09:43,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-28 04:09:43,773 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 [2024-11-28 04:09:43,786 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:09:43,786 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 04:09:43,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:09:43,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:09:43,787 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:09:43,788 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 04:09:43,789 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 04:09:43,792 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 04:09:43,796 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-28 04:09:43,799 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-28 04:09:43,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:43,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:43,805 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:09:43,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-28 04:09:43,830 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 04:09:43,830 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 04:09:43,830 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 04:09:43,831 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 1 Supporting invariants [] [2024-11-28 04:09:43,838 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-11-28 04:09:43,842 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-28 04:09:43,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:09:43,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:09:43,882 INFO L256 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 04:09:43,882 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:09:43,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:09:43,895 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 04:09:43,896 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:09:43,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:09:43,963 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 [2024-11-28 04:09:43,965 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.5) 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) [2024-11-28 04:09:44,048 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.5) 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 45 transitions. Complement of second has 8 states. [2024-11-28 04:09:44,050 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 [2024-11-28 04:09:44,054 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) [2024-11-28 04:09:44,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions. [2024-11-28 04:09:44,061 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 2 letters. Loop has 4 letters. [2024-11-28 04:09:44,062 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:09:44,062 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 6 letters. Loop has 4 letters. [2024-11-28 04:09:44,062 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:09:44,062 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 2 letters. Loop has 8 letters. [2024-11-28 04:09:44,065 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:09:44,065 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 45 transitions. [2024-11-28 04:09:44,068 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2024-11-28 04:09:44,074 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 19 states and 30 transitions. [2024-11-28 04:09:44,076 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2024-11-28 04:09:44,077 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-11-28 04:09:44,078 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 30 transitions. [2024-11-28 04:09:44,079 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 04:09:44,079 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 30 transitions. [2024-11-28 04:09:44,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 30 transitions. [2024-11-28 04:09:44,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2024-11-28 04:09:44,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 17 states have internal predecessors, (28), 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) [2024-11-28 04:09:44,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 28 transitions. [2024-11-28 04:09:44,108 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 28 transitions. [2024-11-28 04:09:44,108 INFO L425 stractBuchiCegarLoop]: Abstraction has 18 states and 28 transitions. [2024-11-28 04:09:44,108 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-28 04:09:44,109 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 28 transitions. [2024-11-28 04:09:44,109 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2024-11-28 04:09:44,109 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 04:09:44,110 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 04:09:44,110 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-28 04:09:44,110 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-28 04:09:44,111 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1, main_~up~0#1;havoc main_~i~0#1;havoc main_~up~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~up~0#1 := 0;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" [2024-11-28 04:09:44,111 INFO L749 eck$LassoCheckResult]: Loop: "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" [2024-11-28 04:09:44,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:09:44,111 INFO L85 PathProgramCache]: Analyzing trace with hash 29861, now seen corresponding path program 1 times [2024-11-28 04:09:44,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:09:44,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751585027] [2024-11-28 04:09:44,116 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:09:44,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:09:44,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:09:44,121 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:09:44,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:09:44,126 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:09:44,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:09:44,128 INFO L85 PathProgramCache]: Analyzing trace with hash 1422133, now seen corresponding path program 1 times [2024-11-28 04:09:44,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:09:44,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057920330] [2024-11-28 04:09:44,128 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:09:44,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:09:44,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:09:44,136 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:09:44,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:09:44,143 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:09:44,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:09:44,146 INFO L85 PathProgramCache]: Analyzing trace with hash 1807955417, now seen corresponding path program 1 times [2024-11-28 04:09:44,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:09:44,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425237970] [2024-11-28 04:09:44,146 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:09:44,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:09:44,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:09:44,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 04:09:44,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425237970] [2024-11-28 04:09:44,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425237970] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:09:44,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1896140812] [2024-11-28 04:09:44,219 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:09:44,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:09:44,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:44,222 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:09:44,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-28 04:09:44,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:09:44,250 INFO L256 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 04:09:44,254 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:09:44,273 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:09:44,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1896140812] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:09:44,296 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:09:44,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-11-28 04:09:44,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37148601] [2024-11-28 04:09:44,297 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:09:44,360 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 04:09:44,360 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 04:09:44,360 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 04:09:44,360 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 04:09:44,363 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 04:09:44,364 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:44,364 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 04:09:44,364 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 04:09:44,364 INFO L132 ssoRankerPreferences]: Filename of dumped script: UpAndDown.c_Iteration2_Loop [2024-11-28 04:09:44,364 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 04:09:44,364 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 04:09:44,365 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:09:44,371 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:09:44,375 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:09:44,390 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:09:44,495 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 04:09:44,495 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 04:09:44,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:44,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:44,497 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:09:44,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-28 04:09:44,499 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 04:09:44,499 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:09:44,524 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 04:09:44,524 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: [] [2024-11-28 04:09:44,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-11-28 04:09:44,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:44,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:44,536 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:09:44,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-28 04:09:44,540 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 04:09:44,540 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:09:44,565 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 04:09:44,565 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 04:09:44,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-11-28 04:09:44,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:44,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:44,577 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:09:44,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-28 04:09:44,581 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 04:09:44,581 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:09:44,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-11-28 04:09:44,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:44,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:44,612 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:09:44,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-28 04:09:44,616 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 04:09:44,617 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:09:44,668 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 04:09:44,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-11-28 04:09:44,670 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 04:09:44,671 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 04:09:44,671 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 04:09:44,671 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 04:09:44,671 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 04:09:44,671 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:44,671 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 04:09:44,671 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 04:09:44,671 INFO L132 ssoRankerPreferences]: Filename of dumped script: UpAndDown.c_Iteration2_Loop [2024-11-28 04:09:44,671 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 04:09:44,671 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 04:09:44,672 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:09:44,681 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:09:44,687 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:09:44,700 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:09:44,816 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 04:09:44,816 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 04:09:44,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:44,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:44,819 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:09:44,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-28 04:09:44,824 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 [2024-11-28 04:09:44,838 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:09:44,838 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:09:44,838 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:09:44,838 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:09:44,841 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 04:09:44,841 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 04:09:44,846 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:09:44,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-11-28 04:09:44,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:44,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:44,857 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:09:44,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-28 04:09:44,861 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 [2024-11-28 04:09:44,876 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:09:44,876 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:09:44,876 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:09:44,876 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:09:44,878 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 04:09:44,879 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 04:09:44,884 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:09:44,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2024-11-28 04:09:44,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:44,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:44,895 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:09:44,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-28 04:09:44,899 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 [2024-11-28 04:09:44,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:09:44,912 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 04:09:44,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:09:44,912 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-28 04:09:44,912 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:09:44,914 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-28 04:09:44,914 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 04:09:44,919 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 04:09:44,923 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-28 04:09:44,923 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-28 04:09:44,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:44,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:44,926 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:09:44,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-28 04:09:44,931 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 04:09:44,931 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 04:09:44,931 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 04:09:44,931 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 19 Supporting invariants [] [2024-11-28 04:09:44,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-11-28 04:09:44,941 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-28 04:09:44,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:09:44,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:09:44,972 INFO L256 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 04:09:44,973 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:09:44,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:09:44,989 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 04:09:44,989 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:09:45,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:09:45,031 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 [2024-11-28 04:09:45,032 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 28 transitions. cyclomatic complexity: 13 Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:09:45,074 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 28 transitions. cyclomatic complexity: 13. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 28 states and 43 transitions. Complement of second has 7 states. [2024-11-28 04:09:45,074 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 [2024-11-28 04:09:45,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:09:45,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 9 transitions. [2024-11-28 04:09:45,075 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 3 letters. Loop has 4 letters. [2024-11-28 04:09:45,075 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:09:45,075 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 7 letters. Loop has 4 letters. [2024-11-28 04:09:45,075 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:09:45,076 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 3 letters. Loop has 8 letters. [2024-11-28 04:09:45,076 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:09:45,076 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 43 transitions. [2024-11-28 04:09:45,077 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-28 04:09:45,078 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 21 states and 35 transitions. [2024-11-28 04:09:45,078 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-11-28 04:09:45,078 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-11-28 04:09:45,078 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 35 transitions. [2024-11-28 04:09:45,079 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 04:09:45,079 INFO L218 hiAutomatonCegarLoop]: Abstraction has 21 states and 35 transitions. [2024-11-28 04:09:45,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 35 transitions. [2024-11-28 04:09:45,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 20. [2024-11-28 04:09:45,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.7) internal successors, (34), 19 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:09:45,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 34 transitions. [2024-11-28 04:09:45,082 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 34 transitions. [2024-11-28 04:09:45,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 04:09:45,084 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:09:45,084 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:09:45,085 INFO L87 Difference]: Start difference. First operand 20 states and 34 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:09:45,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:09:45,103 INFO L93 Difference]: Finished difference Result 32 states and 52 transitions. [2024-11-28 04:09:45,103 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 52 transitions. [2024-11-28 04:09:45,105 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-11-28 04:09:45,105 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 29 states and 46 transitions. [2024-11-28 04:09:45,107 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2024-11-28 04:09:45,108 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2024-11-28 04:09:45,108 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 46 transitions. [2024-11-28 04:09:45,108 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 04:09:45,108 INFO L218 hiAutomatonCegarLoop]: Abstraction has 29 states and 46 transitions. [2024-11-28 04:09:45,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 46 transitions. [2024-11-28 04:09:45,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 28. [2024-11-28 04:09:45,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 1.6071428571428572) internal successors, (45), 27 states have internal predecessors, (45), 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) [2024-11-28 04:09:45,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 45 transitions. [2024-11-28 04:09:45,110 INFO L240 hiAutomatonCegarLoop]: Abstraction has 28 states and 45 transitions. [2024-11-28 04:09:45,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:09:45,114 INFO L425 stractBuchiCegarLoop]: Abstraction has 28 states and 45 transitions. [2024-11-28 04:09:45,114 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-28 04:09:45,114 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 45 transitions. [2024-11-28 04:09:45,116 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-11-28 04:09:45,116 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 04:09:45,116 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 04:09:45,116 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-28 04:09:45,117 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-28 04:09:45,117 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1, main_~up~0#1;havoc main_~i~0#1;havoc main_~up~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~up~0#1 := 0;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume 10 == main_~i~0#1;main_~up~0#1 := 0;" "assume !(0 == main_~i~0#1);" [2024-11-28 04:09:45,117 INFO L749 eck$LassoCheckResult]: Loop: "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" [2024-11-28 04:09:45,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:09:45,118 INFO L85 PathProgramCache]: Analyzing trace with hash 28696877, now seen corresponding path program 1 times [2024-11-28 04:09:45,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:09:45,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62803148] [2024-11-28 04:09:45,118 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:09:45,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:09:45,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:09:45,128 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:09:45,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:09:45,134 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:09:45,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:09:45,135 INFO L85 PathProgramCache]: Analyzing trace with hash 1765875, now seen corresponding path program 1 times [2024-11-28 04:09:45,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:09:45,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541723569] [2024-11-28 04:09:45,135 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:09:45,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:09:45,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:09:45,141 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:09:45,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:09:45,148 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:09:45,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:09:45,150 INFO L85 PathProgramCache]: Analyzing trace with hash -2073797345, now seen corresponding path program 1 times [2024-11-28 04:09:45,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:09:45,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592197336] [2024-11-28 04:09:45,150 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:09:45,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:09:45,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:09:45,163 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:09:45,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:09:45,172 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:09:45,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2024-11-28 04:09:45,234 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 04:09:45,234 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 04:09:45,234 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 04:09:45,234 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 04:09:45,234 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 04:09:45,235 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:45,235 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 04:09:45,235 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 04:09:45,235 INFO L132 ssoRankerPreferences]: Filename of dumped script: UpAndDown.c_Iteration3_Loop [2024-11-28 04:09:45,235 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 04:09:45,235 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 04:09:45,236 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:09:45,241 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:09:45,245 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:09:45,257 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:09:45,335 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 04:09:45,335 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 04:09:45,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:45,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:45,337 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:09:45,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-28 04:09:45,341 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 04:09:45,341 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:09:45,366 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 04:09:45,366 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: [] [2024-11-28 04:09:45,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-11-28 04:09:45,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:45,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:45,377 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:09:45,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-28 04:09:45,380 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 04:09:45,381 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:09:45,401 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 04:09:45,401 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~up~0#1=4} Honda state: {ULTIMATE.start_main_~up~0#1=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 04:09:45,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2024-11-28 04:09:45,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:45,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:45,411 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:09:45,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-28 04:09:45,414 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 04:09:45,414 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:09:45,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2024-11-28 04:09:45,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:45,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:45,439 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:09:45,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-11-28 04:09:45,441 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 04:09:45,441 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:09:45,530 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 04:09:45,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-11-28 04:09:45,533 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 04:09:45,533 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 04:09:45,533 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 04:09:45,533 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 04:09:45,533 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 04:09:45,533 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:45,533 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 04:09:45,533 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 04:09:45,533 INFO L132 ssoRankerPreferences]: Filename of dumped script: UpAndDown.c_Iteration3_Loop [2024-11-28 04:09:45,533 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 04:09:45,533 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 04:09:45,534 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:09:45,541 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:09:45,544 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:09:45,559 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:09:45,653 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 04:09:45,653 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 04:09:45,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:45,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:45,655 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:09:45,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-28 04:09:45,659 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 [2024-11-28 04:09:45,673 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:09:45,673 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:09:45,673 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:09:45,673 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:09:45,675 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 04:09:45,675 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 04:09:45,680 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:09:45,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-11-28 04:09:45,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:45,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:45,691 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:09:45,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-11-28 04:09:45,695 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 [2024-11-28 04:09:45,708 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:09:45,708 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 04:09:45,708 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:09:45,708 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-28 04:09:45,708 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:09:45,711 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-28 04:09:45,711 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 04:09:45,714 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:09:45,722 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-11-28 04:09:45,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:45,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:45,726 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:09:45,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-11-28 04:09:45,731 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 [2024-11-28 04:09:45,745 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:09:45,745 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 04:09:45,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:09:45,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:09:45,745 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:09:45,747 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 04:09:45,747 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 04:09:45,751 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 04:09:45,754 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2024-11-28 04:09:45,754 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-28 04:09:45,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:45,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:45,757 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:09:45,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-11-28 04:09:45,760 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 04:09:45,761 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 04:09:45,761 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 04:09:45,761 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2024-11-28 04:09:45,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2024-11-28 04:09:45,770 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-28 04:09:45,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:09:45,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:09:45,793 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 04:09:45,793 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:09:45,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:09:45,809 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 04:09:45,809 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:09:45,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:09:45,851 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 [2024-11-28 04:09:45,851 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 28 states and 45 transitions. cyclomatic complexity: 20 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) [2024-11-28 04:09:45,890 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 28 states and 45 transitions. cyclomatic complexity: 20. 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 65 states and 104 transitions. Complement of second has 7 states. [2024-11-28 04:09:45,891 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 [2024-11-28 04:09:45,892 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) [2024-11-28 04:09:45,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2024-11-28 04:09:45,892 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 5 letters. Loop has 4 letters. [2024-11-28 04:09:45,892 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:09:45,893 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 9 letters. Loop has 4 letters. [2024-11-28 04:09:45,893 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:09:45,893 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 5 letters. Loop has 8 letters. [2024-11-28 04:09:45,893 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:09:45,893 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 65 states and 104 transitions. [2024-11-28 04:09:45,895 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2024-11-28 04:09:45,896 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 65 states to 60 states and 98 transitions. [2024-11-28 04:09:45,896 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2024-11-28 04:09:45,896 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32 [2024-11-28 04:09:45,896 INFO L73 IsDeterministic]: Start isDeterministic. Operand 60 states and 98 transitions. [2024-11-28 04:09:45,896 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 04:09:45,896 INFO L218 hiAutomatonCegarLoop]: Abstraction has 60 states and 98 transitions. [2024-11-28 04:09:45,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states and 98 transitions. [2024-11-28 04:09:45,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 56. [2024-11-28 04:09:45,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 56 states have (on average 1.6785714285714286) internal successors, (94), 55 states have internal predecessors, (94), 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) [2024-11-28 04:09:45,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 94 transitions. [2024-11-28 04:09:45,900 INFO L240 hiAutomatonCegarLoop]: Abstraction has 56 states and 94 transitions. [2024-11-28 04:09:45,901 INFO L425 stractBuchiCegarLoop]: Abstraction has 56 states and 94 transitions. [2024-11-28 04:09:45,901 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-28 04:09:45,901 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 56 states and 94 transitions. [2024-11-28 04:09:45,902 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2024-11-28 04:09:45,902 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 04:09:45,902 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 04:09:45,902 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-11-28 04:09:45,903 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-28 04:09:45,903 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1, main_~up~0#1;havoc main_~i~0#1;havoc main_~up~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~up~0#1 := 0;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume 10 == main_~i~0#1;main_~up~0#1 := 0;" "assume 0 == main_~i~0#1;main_~up~0#1 := 1;" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" [2024-11-28 04:09:45,903 INFO L749 eck$LassoCheckResult]: Loop: "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume 10 == main_~i~0#1;main_~up~0#1 := 0;" "assume 0 == main_~i~0#1;main_~up~0#1 := 1;" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" [2024-11-28 04:09:45,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:09:45,903 INFO L85 PathProgramCache]: Analyzing trace with hash 889603153, now seen corresponding path program 1 times [2024-11-28 04:09:45,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:09:45,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654330727] [2024-11-28 04:09:45,904 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:09:45,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:09:45,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:09:45,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 04:09:45,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654330727] [2024-11-28 04:09:45,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654330727] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:09:45,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [504789939] [2024-11-28 04:09:45,924 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:09:45,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:09:45,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:45,928 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:09:45,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-28 04:09:45,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:09:45,976 INFO L256 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 04:09:45,977 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:09:45,983 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:09:45,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [504789939] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:09:45,997 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:09:45,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 4 [2024-11-28 04:09:45,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141044664] [2024-11-28 04:09:45,997 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:09:45,997 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-28 04:09:45,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:09:45,998 INFO L85 PathProgramCache]: Analyzing trace with hash 1175949, now seen corresponding path program 1 times [2024-11-28 04:09:45,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:09:45,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935268478] [2024-11-28 04:09:45,998 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:09:45,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:09:46,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:09:46,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 04:09:46,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935268478] [2024-11-28 04:09:46,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935268478] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:09:46,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [369233611] [2024-11-28 04:09:46,032 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:09:46,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:09:46,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:46,038 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:09:46,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-28 04:09:46,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:09:46,062 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 04:09:46,063 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:09:46,073 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:09:46,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [369233611] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:09:46,080 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:09:46,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 4 [2024-11-28 04:09:46,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811563865] [2024-11-28 04:09:46,081 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:09:46,081 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-28 04:09:46,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 04:09:46,081 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:09:46,081 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:09:46,082 INFO L87 Difference]: Start difference. First operand 56 states and 94 transitions. cyclomatic complexity: 44 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) [2024-11-28 04:09:46,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:09:46,115 INFO L93 Difference]: Finished difference Result 73 states and 109 transitions. [2024-11-28 04:09:46,115 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 73 states and 109 transitions. [2024-11-28 04:09:46,117 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 18 [2024-11-28 04:09:46,118 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 73 states to 69 states and 102 transitions. [2024-11-28 04:09:46,118 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 39 [2024-11-28 04:09:46,118 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 39 [2024-11-28 04:09:46,118 INFO L73 IsDeterministic]: Start isDeterministic. Operand 69 states and 102 transitions. [2024-11-28 04:09:46,118 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 04:09:46,118 INFO L218 hiAutomatonCegarLoop]: Abstraction has 69 states and 102 transitions. [2024-11-28 04:09:46,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states and 102 transitions. [2024-11-28 04:09:46,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 65. [2024-11-28 04:09:46,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 65 states have (on average 1.5076923076923077) internal successors, (98), 64 states have internal predecessors, (98), 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) [2024-11-28 04:09:46,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 98 transitions. [2024-11-28 04:09:46,126 INFO L240 hiAutomatonCegarLoop]: Abstraction has 65 states and 98 transitions. [2024-11-28 04:09:46,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:09:46,130 INFO L425 stractBuchiCegarLoop]: Abstraction has 65 states and 98 transitions. [2024-11-28 04:09:46,130 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-28 04:09:46,130 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 65 states and 98 transitions. [2024-11-28 04:09:46,131 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2024-11-28 04:09:46,131 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 04:09:46,131 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 04:09:46,131 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-11-28 04:09:46,131 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-28 04:09:46,132 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1, main_~up~0#1;havoc main_~i~0#1;havoc main_~up~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~up~0#1 := 0;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume 0 == main_~i~0#1;main_~up~0#1 := 1;" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" [2024-11-28 04:09:46,132 INFO L749 eck$LassoCheckResult]: Loop: "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume 0 == main_~i~0#1;main_~up~0#1 := 1;" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" [2024-11-28 04:09:46,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:09:46,132 INFO L85 PathProgramCache]: Analyzing trace with hash 889605075, now seen corresponding path program 1 times [2024-11-28 04:09:46,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:09:46,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137823018] [2024-11-28 04:09:46,132 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:09:46,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:09:46,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:09:46,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 04:09:46,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137823018] [2024-11-28 04:09:46,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137823018] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:09:46,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [806544980] [2024-11-28 04:09:46,163 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:09:46,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:09:46,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:46,166 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:09:46,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-28 04:09:46,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:09:46,186 INFO L256 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 04:09:46,187 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:09:46,192 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:09:46,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [806544980] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:09:46,196 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:09:46,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 2 [2024-11-28 04:09:46,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390410449] [2024-11-28 04:09:46,197 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:09:46,197 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-28 04:09:46,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:09:46,197 INFO L85 PathProgramCache]: Analyzing trace with hash 1177871, now seen corresponding path program 2 times [2024-11-28 04:09:46,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:09:46,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818037803] [2024-11-28 04:09:46,197 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:09:46,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:09:46,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:09:46,203 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:09:46,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:09:46,212 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:09:46,241 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 04:09:46,241 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 04:09:46,241 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 04:09:46,241 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 04:09:46,241 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 04:09:46,241 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:46,241 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 04:09:46,241 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 04:09:46,241 INFO L132 ssoRankerPreferences]: Filename of dumped script: UpAndDown.c_Iteration5_Loop [2024-11-28 04:09:46,241 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 04:09:46,241 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 04:09:46,242 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:09:46,252 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:09:46,255 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:09:46,258 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:09:46,305 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 04:09:46,305 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 04:09:46,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:46,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:46,309 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:09:46,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-11-28 04:09:46,312 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 04:09:46,313 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:09:46,337 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2024-11-28 04:09:46,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:46,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:46,339 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:09:46,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-11-28 04:09:46,344 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 04:09:46,344 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:09:46,360 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 04:09:46,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2024-11-28 04:09:46,369 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 04:09:46,370 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 04:09:46,370 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 04:09:46,370 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 04:09:46,370 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 04:09:46,370 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:46,370 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 04:09:46,370 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 04:09:46,370 INFO L132 ssoRankerPreferences]: Filename of dumped script: UpAndDown.c_Iteration5_Loop [2024-11-28 04:09:46,370 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 04:09:46,370 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 04:09:46,371 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:09:46,378 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:09:46,380 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:09:46,384 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:09:46,432 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 04:09:46,432 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 04:09:46,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:46,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:46,435 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:09:46,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-11-28 04:09:46,437 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 [2024-11-28 04:09:46,448 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:09:46,448 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 04:09:46,448 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:09:46,448 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:09:46,448 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:09:46,449 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 04:09:46,449 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 04:09:46,451 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 04:09:46,454 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-28 04:09:46,454 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-28 04:09:46,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:46,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:46,456 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:09:46,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-11-28 04:09:46,457 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 04:09:46,458 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 04:09:46,458 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 04:09:46,458 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 1 Supporting invariants [] [2024-11-28 04:09:46,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2024-11-28 04:09:46,466 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-28 04:09:46,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:09:46,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:09:46,489 INFO L256 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 04:09:46,490 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:09:46,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:09:46,509 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 04:09:46,510 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:09:46,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:09:46,532 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 [2024-11-28 04:09:46,532 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 65 states and 98 transitions. cyclomatic complexity: 39 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:09:46,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2024-11-28 04:09:46,581 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 65 states and 98 transitions. cyclomatic complexity: 39. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 140 states and 202 transitions. Complement of second has 7 states. [2024-11-28 04:09:46,581 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 [2024-11-28 04:09:46,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:09:46,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2024-11-28 04:09:46,583 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 6 letters. Loop has 4 letters. [2024-11-28 04:09:46,583 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:09:46,583 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 10 letters. Loop has 4 letters. [2024-11-28 04:09:46,583 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:09:46,583 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 6 letters. Loop has 8 letters. [2024-11-28 04:09:46,583 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:09:46,583 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 140 states and 202 transitions. [2024-11-28 04:09:46,586 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 21 [2024-11-28 04:09:46,587 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 140 states to 122 states and 178 transitions. [2024-11-28 04:09:46,587 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 61 [2024-11-28 04:09:46,588 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 66 [2024-11-28 04:09:46,588 INFO L73 IsDeterministic]: Start isDeterministic. Operand 122 states and 178 transitions. [2024-11-28 04:09:46,588 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 04:09:46,588 INFO L218 hiAutomatonCegarLoop]: Abstraction has 122 states and 178 transitions. [2024-11-28 04:09:46,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states and 178 transitions. [2024-11-28 04:09:46,591 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2024-11-28 04:09:46,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 96. [2024-11-28 04:09:46,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 96 states have (on average 1.53125) internal successors, (147), 95 states have internal predecessors, (147), 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) [2024-11-28 04:09:46,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 147 transitions. [2024-11-28 04:09:46,594 INFO L240 hiAutomatonCegarLoop]: Abstraction has 96 states and 147 transitions. [2024-11-28 04:09:46,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 04:09:46,595 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:09:46,595 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:09:46,595 INFO L87 Difference]: Start difference. First operand 96 states and 147 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 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) [2024-11-28 04:09:46,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:09:46,605 INFO L93 Difference]: Finished difference Result 71 states and 96 transitions. [2024-11-28 04:09:46,605 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 71 states and 96 transitions. [2024-11-28 04:09:46,606 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2024-11-28 04:09:46,606 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 71 states to 64 states and 86 transitions. [2024-11-28 04:09:46,607 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 31 [2024-11-28 04:09:46,607 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 31 [2024-11-28 04:09:46,607 INFO L73 IsDeterministic]: Start isDeterministic. Operand 64 states and 86 transitions. [2024-11-28 04:09:46,607 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 04:09:46,607 INFO L218 hiAutomatonCegarLoop]: Abstraction has 64 states and 86 transitions. [2024-11-28 04:09:46,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states and 86 transitions. [2024-11-28 04:09:46,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 61. [2024-11-28 04:09:46,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 61 states have (on average 1.3442622950819672) internal successors, (82), 60 states have internal predecessors, (82), 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) [2024-11-28 04:09:46,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 82 transitions. [2024-11-28 04:09:46,611 INFO L240 hiAutomatonCegarLoop]: Abstraction has 61 states and 82 transitions. [2024-11-28 04:09:46,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:09:46,612 INFO L425 stractBuchiCegarLoop]: Abstraction has 61 states and 82 transitions. [2024-11-28 04:09:46,612 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-11-28 04:09:46,612 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 61 states and 82 transitions. [2024-11-28 04:09:46,613 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2024-11-28 04:09:46,613 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 04:09:46,613 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 04:09:46,613 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 1, 1, 1, 1, 1, 1] [2024-11-28 04:09:46,614 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-28 04:09:46,614 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1, main_~up~0#1;havoc main_~i~0#1;havoc main_~up~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~up~0#1 := 0;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume 0 == main_~i~0#1;main_~up~0#1 := 1;" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" [2024-11-28 04:09:46,614 INFO L749 eck$LassoCheckResult]: Loop: "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" [2024-11-28 04:09:46,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:09:46,614 INFO L85 PathProgramCache]: Analyzing trace with hash -863770935, now seen corresponding path program 1 times [2024-11-28 04:09:46,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:09:46,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12588861] [2024-11-28 04:09:46,615 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:09:46,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:09:46,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:09:46,621 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:09:46,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:09:46,625 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:09:46,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:09:46,626 INFO L85 PathProgramCache]: Analyzing trace with hash 1422133, now seen corresponding path program 2 times [2024-11-28 04:09:46,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:09:46,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212158367] [2024-11-28 04:09:46,626 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:09:46,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:09:46,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:09:46,630 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:09:46,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:09:46,633 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:09:46,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:09:46,633 INFO L85 PathProgramCache]: Analyzing trace with hash -2026310147, now seen corresponding path program 2 times [2024-11-28 04:09:46,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:09:46,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289681877] [2024-11-28 04:09:46,634 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:09:46,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:09:46,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:09:46,640 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:09:46,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:09:46,645 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:09:46,687 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 04:09:46,687 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 04:09:46,687 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 04:09:46,687 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 04:09:46,687 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 04:09:46,687 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:46,687 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 04:09:46,687 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 04:09:46,687 INFO L132 ssoRankerPreferences]: Filename of dumped script: UpAndDown.c_Iteration6_Loop [2024-11-28 04:09:46,687 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 04:09:46,687 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 04:09:46,688 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:09:46,701 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:09:46,704 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:09:46,707 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:09:46,794 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 04:09:46,795 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 04:09:46,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:46,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:46,798 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:09:46,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-11-28 04:09:46,803 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 04:09:46,803 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:09:46,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2024-11-28 04:09:46,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:46,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:46,828 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:09:46,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-11-28 04:09:46,830 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 04:09:46,830 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:09:46,892 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 04:09:46,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2024-11-28 04:09:46,896 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 04:09:46,896 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 04:09:46,896 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 04:09:46,896 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 04:09:46,896 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 04:09:46,896 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:46,896 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 04:09:46,896 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 04:09:46,896 INFO L132 ssoRankerPreferences]: Filename of dumped script: UpAndDown.c_Iteration6_Loop [2024-11-28 04:09:46,896 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 04:09:46,896 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 04:09:46,897 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:09:46,915 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:09:46,918 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:09:46,921 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:09:47,008 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 04:09:47,008 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 04:09:47,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:47,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:47,013 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:09:47,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-11-28 04:09:47,015 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 [2024-11-28 04:09:47,029 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:09:47,029 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 04:09:47,029 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:09:47,029 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-28 04:09:47,029 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:09:47,031 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-28 04:09:47,031 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 04:09:47,034 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 04:09:47,037 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-28 04:09:47,037 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-28 04:09:47,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:47,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:47,040 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:09:47,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-11-28 04:09:47,044 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 04:09:47,044 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 04:09:47,044 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 04:09:47,044 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 19 Supporting invariants [] [2024-11-28 04:09:47,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2024-11-28 04:09:47,053 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-28 04:09:47,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:09:47,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:09:47,072 INFO L256 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 04:09:47,073 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:09:47,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:09:47,093 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 04:09:47,094 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:09:47,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:09:47,114 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 [2024-11-28 04:09:47,115 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 61 states and 82 transitions. cyclomatic complexity: 28 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2024-11-28 04:09:47,147 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 61 states and 82 transitions. cyclomatic complexity: 28. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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 81 states and 108 transitions. Complement of second has 7 states. [2024-11-28 04:09:47,147 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 [2024-11-28 04:09:47,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2024-11-28 04:09:47,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 9 transitions. [2024-11-28 04:09:47,148 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 11 letters. Loop has 4 letters. [2024-11-28 04:09:47,148 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:09:47,148 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-28 04:09:47,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:09:47,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:09:47,174 INFO L256 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 04:09:47,175 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:09:47,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:09:47,200 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 04:09:47,201 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:09:47,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:09:47,223 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-28 04:09:47,223 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 61 states and 82 transitions. cyclomatic complexity: 28 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2024-11-28 04:09:47,262 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 61 states and 82 transitions. cyclomatic complexity: 28. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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 81 states and 108 transitions. Complement of second has 7 states. [2024-11-28 04:09:47,265 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 [2024-11-28 04:09:47,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2024-11-28 04:09:47,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 9 transitions. [2024-11-28 04:09:47,266 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 11 letters. Loop has 4 letters. [2024-11-28 04:09:47,266 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:09:47,266 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-28 04:09:47,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:09:47,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:09:47,292 INFO L256 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 04:09:47,293 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:09:47,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:09:47,313 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 04:09:47,313 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:09:47,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:09:47,330 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 2 loop predicates [2024-11-28 04:09:47,331 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 61 states and 82 transitions. cyclomatic complexity: 28 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2024-11-28 04:09:47,377 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 61 states and 82 transitions. cyclomatic complexity: 28. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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 99 states and 137 transitions. Complement of second has 6 states. [2024-11-28 04:09:47,381 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 [2024-11-28 04:09:47,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2024-11-28 04:09:47,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2024-11-28 04:09:47,382 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 11 letters. Loop has 4 letters. [2024-11-28 04:09:47,382 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:09:47,382 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 15 letters. Loop has 4 letters. [2024-11-28 04:09:47,382 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:09:47,382 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 11 letters. Loop has 8 letters. [2024-11-28 04:09:47,383 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:09:47,383 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 99 states and 137 transitions. [2024-11-28 04:09:47,387 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 14 [2024-11-28 04:09:47,388 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 99 states to 62 states and 83 transitions. [2024-11-28 04:09:47,389 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2024-11-28 04:09:47,390 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2024-11-28 04:09:47,390 INFO L73 IsDeterministic]: Start isDeterministic. Operand 62 states and 83 transitions. [2024-11-28 04:09:47,390 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 04:09:47,390 INFO L218 hiAutomatonCegarLoop]: Abstraction has 62 states and 83 transitions. [2024-11-28 04:09:47,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states and 83 transitions. [2024-11-28 04:09:47,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 57. [2024-11-28 04:09:47,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 57 states have (on average 1.3508771929824561) internal successors, (77), 56 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:09:47,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 77 transitions. [2024-11-28 04:09:47,396 INFO L240 hiAutomatonCegarLoop]: Abstraction has 57 states and 77 transitions. [2024-11-28 04:09:47,397 INFO L425 stractBuchiCegarLoop]: Abstraction has 57 states and 77 transitions. [2024-11-28 04:09:47,397 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-11-28 04:09:47,397 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 57 states and 77 transitions. [2024-11-28 04:09:47,397 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2024-11-28 04:09:47,397 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 04:09:47,397 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 04:09:47,402 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 2, 1, 1, 1, 1, 1] [2024-11-28 04:09:47,402 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-28 04:09:47,402 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1, main_~up~0#1;havoc main_~i~0#1;havoc main_~up~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~up~0#1 := 0;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume 0 == main_~i~0#1;main_~up~0#1 := 1;" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume 10 == main_~i~0#1;main_~up~0#1 := 0;" [2024-11-28 04:09:47,402 INFO L749 eck$LassoCheckResult]: Loop: "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume 10 == main_~i~0#1;main_~up~0#1 := 0;" [2024-11-28 04:09:47,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:09:47,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1972696349, now seen corresponding path program 1 times [2024-11-28 04:09:47,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:09:47,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536225384] [2024-11-28 04:09:47,402 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:09:47,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:09:47,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:09:47,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 04:09:47,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536225384] [2024-11-28 04:09:47,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536225384] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:09:47,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [573575031] [2024-11-28 04:09:47,461 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:09:47,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:09:47,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:47,464 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:09:47,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-11-28 04:09:47,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:09:47,493 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 04:09:47,494 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:09:47,509 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:09:47,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [573575031] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:09:47,552 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:09:47,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-28 04:09:47,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50251377] [2024-11-28 04:09:47,552 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:09:47,552 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-28 04:09:47,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:09:47,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1606093, now seen corresponding path program 1 times [2024-11-28 04:09:47,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:09:47,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320586177] [2024-11-28 04:09:47,552 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:09:47,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:09:47,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:09:47,559 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:09:47,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:09:47,566 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:09:47,627 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 04:09:47,627 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 04:09:47,627 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 04:09:47,627 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 04:09:47,627 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 04:09:47,627 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:47,627 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 04:09:47,627 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 04:09:47,627 INFO L132 ssoRankerPreferences]: Filename of dumped script: UpAndDown.c_Iteration7_Loop [2024-11-28 04:09:47,627 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 04:09:47,627 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 04:09:47,628 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:09:47,632 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:09:47,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2024-11-28 04:09:47,636 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:09:47,642 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:09:47,702 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 04:09:47,703 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 04:09:47,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:47,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:47,705 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:09:47,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-11-28 04:09:47,709 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 04:09:47,709 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:09:47,734 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 04:09:47,734 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_11=1} Honda state: {v_rep~unnamed0~0~true_11=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 04:09:47,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2024-11-28 04:09:47,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:47,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:47,745 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:09:47,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-11-28 04:09:47,750 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 04:09:47,750 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:09:47,774 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 04:09:47,774 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_11=0} Honda state: {v_rep~unnamed0~0~false_11=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 04:09:47,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2024-11-28 04:09:47,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:47,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:47,786 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:09:47,790 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 04:09:47,790 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:09:47,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2024-11-28 04:09:47,816 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 04:09:47,816 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~up~0#1=0} Honda state: {ULTIMATE.start_main_~up~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 04:09:47,824 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2024-11-28 04:09:47,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:47,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:47,827 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:09:47,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2024-11-28 04:09:47,830 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 04:09:47,830 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:09:47,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2024-11-28 04:09:47,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:47,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:47,859 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:09:47,865 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 04:09:47,865 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:09:47,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2024-11-28 04:09:47,887 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 04:09:47,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2024-11-28 04:09:47,895 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 04:09:47,895 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 04:09:47,895 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 04:09:47,895 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 04:09:47,896 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 04:09:47,896 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:47,896 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 04:09:47,896 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 04:09:47,896 INFO L132 ssoRankerPreferences]: Filename of dumped script: UpAndDown.c_Iteration7_Loop [2024-11-28 04:09:47,896 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 04:09:47,896 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 04:09:47,897 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:09:47,900 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:09:47,907 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:09:47,911 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:09:47,978 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 04:09:47,978 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 04:09:47,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:47,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:47,980 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:09:47,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2024-11-28 04:09:47,982 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 [2024-11-28 04:09:47,993 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:09:47,993 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:09:47,994 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:09:47,994 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:09:47,995 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 04:09:47,995 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 04:09:47,999 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:09:48,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2024-11-28 04:09:48,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:48,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:48,014 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:09:48,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2024-11-28 04:09:48,018 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 [2024-11-28 04:09:48,031 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:09:48,031 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 04:09:48,032 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:09:48,032 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-28 04:09:48,032 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:09:48,033 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-28 04:09:48,033 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 04:09:48,035 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:09:48,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2024-11-28 04:09:48,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:48,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:48,047 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:09:48,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2024-11-28 04:09:48,049 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 [2024-11-28 04:09:48,061 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:09:48,062 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:09:48,062 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:09:48,062 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:09:48,064 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 04:09:48,064 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 04:09:48,071 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:09:48,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2024-11-28 04:09:48,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:48,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:48,085 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:09:48,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2024-11-28 04:09:48,089 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 [2024-11-28 04:09:48,106 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:09:48,106 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 04:09:48,106 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:09:48,106 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:09:48,106 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:09:48,108 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 04:09:48,109 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 04:09:48,112 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 04:09:48,117 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-28 04:09:48,117 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-28 04:09:48,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:48,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:48,119 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:09:48,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2024-11-28 04:09:48,122 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 04:09:48,122 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 04:09:48,122 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 04:09:48,122 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2024-11-28 04:09:48,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2024-11-28 04:09:48,129 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-28 04:09:48,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:09:48,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:09:48,156 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 04:09:48,157 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:09:48,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:09:48,184 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 04:09:48,185 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:09:48,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:09:48,202 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 [2024-11-28 04:09:48,202 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 57 states and 77 transitions. cyclomatic complexity: 26 Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:09:48,235 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 57 states and 77 transitions. cyclomatic complexity: 26. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 108 states and 152 transitions. Complement of second has 7 states. [2024-11-28 04:09:48,235 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 [2024-11-28 04:09:48,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:09:48,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2024-11-28 04:09:48,236 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 12 letters. Loop has 4 letters. [2024-11-28 04:09:48,236 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:09:48,236 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 16 letters. Loop has 4 letters. [2024-11-28 04:09:48,237 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:09:48,237 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 12 letters. Loop has 8 letters. [2024-11-28 04:09:48,237 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:09:48,237 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 108 states and 152 transitions. [2024-11-28 04:09:48,238 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2024-11-28 04:09:48,242 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 108 states to 88 states and 119 transitions. [2024-11-28 04:09:48,242 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2024-11-28 04:09:48,242 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2024-11-28 04:09:48,243 INFO L73 IsDeterministic]: Start isDeterministic. Operand 88 states and 119 transitions. [2024-11-28 04:09:48,243 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 04:09:48,243 INFO L218 hiAutomatonCegarLoop]: Abstraction has 88 states and 119 transitions. [2024-11-28 04:09:48,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states and 119 transitions. [2024-11-28 04:09:48,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 69. [2024-11-28 04:09:48,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 69 states have (on average 1.3623188405797102) internal successors, (94), 68 states have internal predecessors, (94), 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) [2024-11-28 04:09:48,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 94 transitions. [2024-11-28 04:09:48,253 INFO L240 hiAutomatonCegarLoop]: Abstraction has 69 states and 94 transitions. [2024-11-28 04:09:48,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 04:09:48,254 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 04:09:48,254 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:09:48,254 INFO L87 Difference]: Start difference. First operand 69 states and 94 transitions. Second operand has 8 states, 7 states have (on average 2.857142857142857) internal successors, (20), 8 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:09:48,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:09:48,313 INFO L93 Difference]: Finished difference Result 168 states and 212 transitions. [2024-11-28 04:09:48,313 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 168 states and 212 transitions. [2024-11-28 04:09:48,315 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 34 [2024-11-28 04:09:48,317 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 168 states to 168 states and 212 transitions. [2024-11-28 04:09:48,318 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2024-11-28 04:09:48,318 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2024-11-28 04:09:48,318 INFO L73 IsDeterministic]: Start isDeterministic. Operand 168 states and 212 transitions. [2024-11-28 04:09:48,318 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 04:09:48,318 INFO L218 hiAutomatonCegarLoop]: Abstraction has 168 states and 212 transitions. [2024-11-28 04:09:48,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states and 212 transitions. [2024-11-28 04:09:48,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 124. [2024-11-28 04:09:48,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 124 states have (on average 1.2580645161290323) internal successors, (156), 123 states have internal predecessors, (156), 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) [2024-11-28 04:09:48,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 156 transitions. [2024-11-28 04:09:48,328 INFO L240 hiAutomatonCegarLoop]: Abstraction has 124 states and 156 transitions. [2024-11-28 04:09:48,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 04:09:48,330 INFO L425 stractBuchiCegarLoop]: Abstraction has 124 states and 156 transitions. [2024-11-28 04:09:48,330 INFO L332 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-11-28 04:09:48,330 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 124 states and 156 transitions. [2024-11-28 04:09:48,331 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 32 [2024-11-28 04:09:48,331 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 04:09:48,331 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 04:09:48,332 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [9, 7, 7, 6, 2, 2, 1, 1, 1] [2024-11-28 04:09:48,332 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-28 04:09:48,332 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1, main_~up~0#1;havoc main_~i~0#1;havoc main_~up~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~up~0#1 := 0;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume 10 == main_~i~0#1;main_~up~0#1 := 0;" "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume 0 == main_~i~0#1;main_~up~0#1 := 1;" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume 10 == main_~i~0#1;main_~up~0#1 := 0;" [2024-11-28 04:09:48,332 INFO L749 eck$LassoCheckResult]: Loop: "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume 10 == main_~i~0#1;main_~up~0#1 := 0;" [2024-11-28 04:09:48,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:09:48,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1113570989, now seen corresponding path program 1 times [2024-11-28 04:09:48,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:09:48,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235287065] [2024-11-28 04:09:48,333 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:09:48,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:09:48,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:09:48,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 04:09:48,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235287065] [2024-11-28 04:09:48,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235287065] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:09:48,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [543985868] [2024-11-28 04:09:48,436 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:09:48,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:09:48,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:48,441 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:09:48,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2024-11-28 04:09:48,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:09:48,484 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 04:09:48,485 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:09:48,507 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:09:48,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [543985868] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:09:48,549 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:09:48,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2024-11-28 04:09:48,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112839230] [2024-11-28 04:09:48,549 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:09:48,550 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-28 04:09:48,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:09:48,550 INFO L85 PathProgramCache]: Analyzing trace with hash 1606093, now seen corresponding path program 2 times [2024-11-28 04:09:48,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:09:48,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049695334] [2024-11-28 04:09:48,550 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:09:48,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:09:48,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:09:48,554 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:09:48,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:09:48,557 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:09:48,594 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 04:09:48,594 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 04:09:48,594 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 04:09:48,594 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 04:09:48,594 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 04:09:48,594 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:48,594 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 04:09:48,594 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 04:09:48,594 INFO L132 ssoRankerPreferences]: Filename of dumped script: UpAndDown.c_Iteration8_Loop [2024-11-28 04:09:48,594 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 04:09:48,595 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 04:09:48,595 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:09:48,601 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:09:48,604 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:09:48,607 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:09:48,660 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 04:09:48,660 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 04:09:48,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:48,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:48,664 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:09:48,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2024-11-28 04:09:48,667 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 04:09:48,667 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:09:48,684 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2024-11-28 04:09:48,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:48,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:48,686 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:09:48,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2024-11-28 04:09:48,688 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 04:09:48,688 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:09:48,701 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 04:09:48,710 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2024-11-28 04:09:48,710 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 04:09:48,710 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 04:09:48,710 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 04:09:48,710 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 04:09:48,711 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 04:09:48,711 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:48,711 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 04:09:48,711 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 04:09:48,711 INFO L132 ssoRankerPreferences]: Filename of dumped script: UpAndDown.c_Iteration8_Loop [2024-11-28 04:09:48,711 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 04:09:48,711 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 04:09:48,712 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:09:48,718 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:09:48,720 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:09:48,722 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:09:48,777 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 04:09:48,777 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 04:09:48,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:48,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:48,779 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:09:48,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2024-11-28 04:09:48,781 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 [2024-11-28 04:09:48,792 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:09:48,792 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 04:09:48,792 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:09:48,792 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:09:48,792 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:09:48,793 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 04:09:48,793 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 04:09:48,796 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 04:09:48,801 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-28 04:09:48,801 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-28 04:09:48,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:48,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:48,808 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:09:48,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2024-11-28 04:09:48,809 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 04:09:48,809 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 04:09:48,809 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 04:09:48,810 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2024-11-28 04:09:48,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2024-11-28 04:09:48,819 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-28 04:09:48,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:09:48,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:09:48,856 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 04:09:48,858 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:09:48,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:09:48,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2024-11-28 04:09:48,929 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 04:09:48,933 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:09:48,951 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2024-11-28 04:09:48,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:09:48,953 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 [2024-11-28 04:09:48,953 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 124 states and 156 transitions. cyclomatic complexity: 40 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) [2024-11-28 04:09:48,986 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 124 states and 156 transitions. cyclomatic complexity: 40. 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 143 states and 182 transitions. Complement of second has 7 states. [2024-11-28 04:09:48,987 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 [2024-11-28 04:09:48,987 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) [2024-11-28 04:09:48,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2024-11-28 04:09:48,988 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 36 letters. Loop has 4 letters. [2024-11-28 04:09:48,988 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:09:48,988 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-28 04:09:49,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:09:49,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:09:49,018 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 04:09:49,019 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:09:49,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:09:49,076 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 04:09:49,077 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:09:49,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:09:49,090 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-28 04:09:49,090 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 124 states and 156 transitions. cyclomatic complexity: 40 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) [2024-11-28 04:09:49,122 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 124 states and 156 transitions. cyclomatic complexity: 40. 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 153 states and 190 transitions. Complement of second has 7 states. [2024-11-28 04:09:49,122 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 [2024-11-28 04:09:49,123 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) [2024-11-28 04:09:49,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 22 transitions. [2024-11-28 04:09:49,123 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 36 letters. Loop has 4 letters. [2024-11-28 04:09:49,124 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:09:49,124 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-28 04:09:49,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:09:49,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:09:49,152 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 04:09:49,152 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:09:49,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:09:49,209 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 04:09:49,210 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:09:49,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:09:49,227 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 2 loop predicates [2024-11-28 04:09:49,227 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 124 states and 156 transitions. cyclomatic complexity: 40 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) [2024-11-28 04:09:49,257 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 124 states and 156 transitions. cyclomatic complexity: 40. 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 150 states and 193 transitions. Complement of second has 8 states. [2024-11-28 04:09:49,257 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 [2024-11-28 04:09:49,258 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) [2024-11-28 04:09:49,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2024-11-28 04:09:49,258 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 36 letters. Loop has 4 letters. [2024-11-28 04:09:49,258 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:09:49,258 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 40 letters. Loop has 4 letters. [2024-11-28 04:09:49,259 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:09:49,259 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 36 letters. Loop has 8 letters. [2024-11-28 04:09:49,259 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:09:49,259 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 150 states and 193 transitions. [2024-11-28 04:09:49,261 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 34 [2024-11-28 04:09:49,262 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 150 states to 127 states and 159 transitions. [2024-11-28 04:09:49,262 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2024-11-28 04:09:49,262 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2024-11-28 04:09:49,262 INFO L73 IsDeterministic]: Start isDeterministic. Operand 127 states and 159 transitions. [2024-11-28 04:09:49,263 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 04:09:49,263 INFO L218 hiAutomatonCegarLoop]: Abstraction has 127 states and 159 transitions. [2024-11-28 04:09:49,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states and 159 transitions. [2024-11-28 04:09:49,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 87. [2024-11-28 04:09:49,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 87 states have (on average 1.2298850574712643) internal successors, (107), 86 states have internal predecessors, (107), 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) [2024-11-28 04:09:49,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 107 transitions. [2024-11-28 04:09:49,267 INFO L240 hiAutomatonCegarLoop]: Abstraction has 87 states and 107 transitions. [2024-11-28 04:09:49,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 04:09:49,268 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 04:09:49,268 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:09:49,268 INFO L87 Difference]: Start difference. First operand 87 states and 107 transitions. Second operand has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 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) [2024-11-28 04:09:49,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:09:49,330 INFO L93 Difference]: Finished difference Result 132 states and 161 transitions. [2024-11-28 04:09:49,330 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 132 states and 161 transitions. [2024-11-28 04:09:49,331 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 51 [2024-11-28 04:09:49,332 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 132 states to 124 states and 153 transitions. [2024-11-28 04:09:49,332 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-11-28 04:09:49,332 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-11-28 04:09:49,332 INFO L73 IsDeterministic]: Start isDeterministic. Operand 124 states and 153 transitions. [2024-11-28 04:09:49,332 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 04:09:49,332 INFO L218 hiAutomatonCegarLoop]: Abstraction has 124 states and 153 transitions. [2024-11-28 04:09:49,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states and 153 transitions. [2024-11-28 04:09:49,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 119. [2024-11-28 04:09:49,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 119 states have (on average 1.2352941176470589) internal successors, (147), 118 states have internal predecessors, (147), 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) [2024-11-28 04:09:49,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 147 transitions. [2024-11-28 04:09:49,336 INFO L240 hiAutomatonCegarLoop]: Abstraction has 119 states and 147 transitions. [2024-11-28 04:09:49,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 04:09:49,337 INFO L425 stractBuchiCegarLoop]: Abstraction has 119 states and 147 transitions. [2024-11-28 04:09:49,337 INFO L332 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2024-11-28 04:09:49,337 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 119 states and 147 transitions. [2024-11-28 04:09:49,338 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 49 [2024-11-28 04:09:49,338 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 04:09:49,338 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 04:09:49,339 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-28 04:09:49,339 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [12, 11, 11, 6, 6, 1, 1] [2024-11-28 04:09:49,339 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1, main_~up~0#1;havoc main_~i~0#1;havoc main_~up~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~up~0#1 := 0;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume 10 == main_~i~0#1;main_~up~0#1 := 0;" [2024-11-28 04:09:49,339 INFO L749 eck$LassoCheckResult]: Loop: "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume 0 == main_~i~0#1;main_~up~0#1 := 1;" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume 10 == main_~i~0#1;main_~up~0#1 := 0;" [2024-11-28 04:09:49,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:09:49,340 INFO L85 PathProgramCache]: Analyzing trace with hash 925705, now seen corresponding path program 1 times [2024-11-28 04:09:49,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:09:49,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426260492] [2024-11-28 04:09:49,340 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:09:49,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:09:49,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:09:49,343 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:09:49,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:09:49,345 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:09:49,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:09:49,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1985436637, now seen corresponding path program 1 times [2024-11-28 04:09:49,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:09:49,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146228540] [2024-11-28 04:09:49,345 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:09:49,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:09:49,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:09:49,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 04:09:49,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146228540] [2024-11-28 04:09:49,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146228540] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:09:49,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1944105396] [2024-11-28 04:09:49,549 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:09:49,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:09:49,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:49,551 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:09:49,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Waiting until timeout for monitored process [2024-11-28 04:09:49,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:09:49,591 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 04:09:49,592 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:09:49,654 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:09:49,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1944105396] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:09:49,779 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:09:49,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 11 [2024-11-28 04:09:49,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495042222] [2024-11-28 04:09:49,780 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:09:49,780 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-28 04:09:49,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 04:09:49,781 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 04:09:49,781 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-11-28 04:09:49,781 INFO L87 Difference]: Start difference. First operand 119 states and 147 transitions. cyclomatic complexity: 33 Second operand has 12 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 12 states have internal predecessors, (42), 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) [2024-11-28 04:09:49,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:09:49,876 INFO L93 Difference]: Finished difference Result 225 states and 276 transitions. [2024-11-28 04:09:49,876 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 225 states and 276 transitions. [2024-11-28 04:09:49,878 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 67 [2024-11-28 04:09:49,880 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 225 states to 225 states and 276 transitions. [2024-11-28 04:09:49,880 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-11-28 04:09:49,880 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-11-28 04:09:49,880 INFO L73 IsDeterministic]: Start isDeterministic. Operand 225 states and 276 transitions. [2024-11-28 04:09:49,880 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 04:09:49,880 INFO L218 hiAutomatonCegarLoop]: Abstraction has 225 states and 276 transitions. [2024-11-28 04:09:49,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states and 276 transitions. [2024-11-28 04:09:49,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 151. [2024-11-28 04:09:49,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 151 states have (on average 1.2119205298013245) internal successors, (183), 150 states have internal predecessors, (183), 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) [2024-11-28 04:09:49,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 183 transitions. [2024-11-28 04:09:49,887 INFO L240 hiAutomatonCegarLoop]: Abstraction has 151 states and 183 transitions. [2024-11-28 04:09:49,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 04:09:49,888 INFO L425 stractBuchiCegarLoop]: Abstraction has 151 states and 183 transitions. [2024-11-28 04:09:49,889 INFO L332 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2024-11-28 04:09:49,889 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 151 states and 183 transitions. [2024-11-28 04:09:49,890 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 65 [2024-11-28 04:09:49,890 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 04:09:49,890 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 04:09:49,892 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-28 04:09:49,892 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [16, 15, 15, 10, 6, 1, 1] [2024-11-28 04:09:49,892 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1, main_~up~0#1;havoc main_~i~0#1;havoc main_~up~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~up~0#1 := 0;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume 10 == main_~i~0#1;main_~up~0#1 := 0;" [2024-11-28 04:09:49,892 INFO L749 eck$LassoCheckResult]: Loop: "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume 0 == main_~i~0#1;main_~up~0#1 := 1;" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume 10 == main_~i~0#1;main_~up~0#1 := 0;" [2024-11-28 04:09:49,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:09:49,895 INFO L85 PathProgramCache]: Analyzing trace with hash 925705, now seen corresponding path program 2 times [2024-11-28 04:09:49,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:09:49,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526416302] [2024-11-28 04:09:49,896 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:09:49,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:09:49,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:09:49,899 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:09:49,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:09:49,902 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:09:49,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:09:49,902 INFO L85 PathProgramCache]: Analyzing trace with hash 311010573, now seen corresponding path program 2 times [2024-11-28 04:09:49,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:09:49,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449941187] [2024-11-28 04:09:49,904 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:09:49,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:09:49,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:09:49,919 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:09:49,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:09:49,931 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:09:49,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:09:49,931 INFO L85 PathProgramCache]: Analyzing trace with hash -7109355, now seen corresponding path program 2 times [2024-11-28 04:09:49,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:09:49,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659815844] [2024-11-28 04:09:49,932 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:09:49,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:09:49,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:09:50,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 04:09:50,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659815844] [2024-11-28 04:09:50,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659815844] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:09:50,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [761948980] [2024-11-28 04:09:50,125 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:09:50,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:09:50,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:50,128 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:09:50,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Waiting until timeout for monitored process [2024-11-28 04:09:50,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:09:50,179 INFO L256 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 04:09:50,180 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:09:50,231 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:09:50,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [761948980] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:09:50,346 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:09:50,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 12 [2024-11-28 04:09:50,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303083970] [2024-11-28 04:09:50,346 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:09:50,813 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 04:09:50,813 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 04:09:50,813 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 04:09:50,813 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 04:09:50,813 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 04:09:50,813 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:50,813 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 04:09:50,813 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 04:09:50,813 INFO L132 ssoRankerPreferences]: Filename of dumped script: UpAndDown.c_Iteration10_Loop [2024-11-28 04:09:50,813 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 04:09:50,814 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 04:09:50,814 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:09:50,817 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:09:50,823 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:09:50,826 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:09:50,888 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 04:09:50,889 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 04:09:50,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:50,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:50,892 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:09:50,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2024-11-28 04:09:50,896 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 04:09:50,896 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:09:50,919 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 04:09:50,920 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: [] [2024-11-28 04:09:50,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2024-11-28 04:09:50,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:50,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:50,931 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:09:50,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2024-11-28 04:09:50,934 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 04:09:50,935 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:09:50,958 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 04:09:50,959 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~up~0#1=0} Honda state: {ULTIMATE.start_main_~up~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 04:09:50,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2024-11-28 04:09:50,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:50,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:50,970 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:09:50,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2024-11-28 04:09:50,973 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 04:09:50,973 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:09:50,997 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 04:09:50,997 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: [] [2024-11-28 04:09:51,005 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2024-11-28 04:09:51,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:51,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:51,008 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:09:51,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2024-11-28 04:09:51,011 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 04:09:51,012 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:09:51,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2024-11-28 04:09:51,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:51,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:51,042 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:09:51,044 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 04:09:51,045 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:09:51,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2024-11-28 04:09:51,063 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 04:09:51,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2024-11-28 04:09:51,071 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 04:09:51,071 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 04:09:51,071 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 04:09:51,071 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 04:09:51,071 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 04:09:51,071 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:51,071 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 04:09:51,071 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 04:09:51,071 INFO L132 ssoRankerPreferences]: Filename of dumped script: UpAndDown.c_Iteration10_Loop [2024-11-28 04:09:51,071 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 04:09:51,071 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 04:09:51,072 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:09:51,080 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:09:51,083 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:09:51,089 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:09:51,150 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 04:09:51,152 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 04:09:51,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:51,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:51,154 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:09:51,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2024-11-28 04:09:51,158 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 [2024-11-28 04:09:51,169 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:09:51,169 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 04:09:51,169 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:09:51,169 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-28 04:09:51,169 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:09:51,170 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-28 04:09:51,170 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 04:09:51,172 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:09:51,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2024-11-28 04:09:51,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:51,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:51,180 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:09:51,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2024-11-28 04:09:51,182 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 [2024-11-28 04:09:51,193 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:09:51,193 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:09:51,193 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:09:51,193 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:09:51,195 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 04:09:51,195 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 04:09:51,204 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:09:51,211 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2024-11-28 04:09:51,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:51,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:51,213 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:09:51,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2024-11-28 04:09:51,215 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:09:51,227 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:09:51,227 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 04:09:51,227 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:09:51,227 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:09:51,227 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:09:51,228 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 04:09:51,228 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 04:09:51,231 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 04:09:51,234 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-28 04:09:51,234 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-28 04:09:51,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:09:51,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:51,236 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:09:51,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2024-11-28 04:09:51,238 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 04:09:51,238 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 04:09:51,238 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 04:09:51,238 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 8 Supporting invariants [] [2024-11-28 04:09:51,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2024-11-28 04:09:51,245 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-28 04:09:51,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:09:51,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:09:51,262 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 04:09:51,262 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:09:51,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:09:51,288 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-28 04:09:51,289 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:09:51,468 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 309 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2024-11-28 04:09:51,469 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 8 loop predicates [2024-11-28 04:09:51,469 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 151 states and 183 transitions. cyclomatic complexity: 37 Second operand has 10 states, 10 states have (on average 3.4) internal successors, (34), 10 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:09:51,902 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 151 states and 183 transitions. cyclomatic complexity: 37. Second operand has 10 states, 10 states have (on average 3.4) internal successors, (34), 10 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 854 states and 1039 transitions. Complement of second has 31 states. [2024-11-28 04:09:51,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 16 states 1 stem states 14 non-accepting loop states 1 accepting loop states [2024-11-28 04:09:51,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 3.4) internal successors, (34), 10 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:09:51,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 79 transitions. [2024-11-28 04:09:51,907 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 16 states and 79 transitions. Stem has 4 letters. Loop has 64 letters. [2024-11-28 04:09:51,908 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:09:51,908 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 16 states and 79 transitions. Stem has 68 letters. Loop has 64 letters. [2024-11-28 04:09:51,909 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:09:51,909 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 16 states and 79 transitions. Stem has 4 letters. Loop has 128 letters. [2024-11-28 04:09:51,911 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:09:51,911 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 854 states and 1039 transitions. [2024-11-28 04:09:51,917 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 65 [2024-11-28 04:09:51,920 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 854 states to 617 states and 745 transitions. [2024-11-28 04:09:51,921 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2024-11-28 04:09:51,921 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 37 [2024-11-28 04:09:51,921 INFO L73 IsDeterministic]: Start isDeterministic. Operand 617 states and 745 transitions. [2024-11-28 04:09:51,922 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 04:09:51,922 INFO L218 hiAutomatonCegarLoop]: Abstraction has 617 states and 745 transitions. [2024-11-28 04:09:51,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states and 745 transitions. [2024-11-28 04:09:51,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 426. [2024-11-28 04:09:51,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 426 states have (on average 1.2065727699530517) internal successors, (514), 425 states have internal predecessors, (514), 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) [2024-11-28 04:09:51,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 514 transitions. [2024-11-28 04:09:51,933 INFO L240 hiAutomatonCegarLoop]: Abstraction has 426 states and 514 transitions. [2024-11-28 04:09:51,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 04:09:51,933 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 04:09:51,933 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-11-28 04:09:51,934 INFO L87 Difference]: Start difference. First operand 426 states and 514 transitions. Second operand has 12 states, 12 states have (on average 4.0) internal successors, (48), 12 states have internal predecessors, (48), 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) [2024-11-28 04:09:52,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:09:52,008 INFO L93 Difference]: Finished difference Result 336 states and 401 transitions. [2024-11-28 04:09:52,008 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 336 states and 401 transitions. [2024-11-28 04:09:52,011 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 83 [2024-11-28 04:09:52,013 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 336 states to 280 states and 345 transitions. [2024-11-28 04:09:52,013 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2024-11-28 04:09:52,013 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2024-11-28 04:09:52,013 INFO L73 IsDeterministic]: Start isDeterministic. Operand 280 states and 345 transitions. [2024-11-28 04:09:52,015 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 04:09:52,015 INFO L218 hiAutomatonCegarLoop]: Abstraction has 280 states and 345 transitions. [2024-11-28 04:09:52,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states and 345 transitions. [2024-11-28 04:09:52,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 183. [2024-11-28 04:09:52,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 183 states have (on average 1.2185792349726776) internal successors, (223), 182 states have internal predecessors, (223), 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) [2024-11-28 04:09:52,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 223 transitions. [2024-11-28 04:09:52,021 INFO L240 hiAutomatonCegarLoop]: Abstraction has 183 states and 223 transitions. [2024-11-28 04:09:52,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 04:09:52,022 INFO L425 stractBuchiCegarLoop]: Abstraction has 183 states and 223 transitions. [2024-11-28 04:09:52,022 INFO L332 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2024-11-28 04:09:52,022 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 183 states and 223 transitions. [2024-11-28 04:09:52,023 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 81 [2024-11-28 04:09:52,023 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 04:09:52,024 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 04:09:52,024 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-28 04:09:52,027 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [20, 19, 19, 10, 10, 1, 1] [2024-11-28 04:09:52,027 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1, main_~up~0#1;havoc main_~i~0#1;havoc main_~up~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~up~0#1 := 0;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume 10 == main_~i~0#1;main_~up~0#1 := 0;" [2024-11-28 04:09:52,027 INFO L749 eck$LassoCheckResult]: Loop: "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume 0 == main_~i~0#1;main_~up~0#1 := 1;" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume 10 == main_~i~0#1;main_~up~0#1 := 0;" [2024-11-28 04:09:52,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:09:52,027 INFO L85 PathProgramCache]: Analyzing trace with hash 925705, now seen corresponding path program 3 times [2024-11-28 04:09:52,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:09:52,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509600144] [2024-11-28 04:09:52,028 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:09:52,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:09:52,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:09:52,031 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:09:52,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:09:52,034 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:09:52,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:09:52,035 INFO L85 PathProgramCache]: Analyzing trace with hash 2118804037, now seen corresponding path program 3 times [2024-11-28 04:09:52,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:09:52,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202951621] [2024-11-28 04:09:52,035 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:09:52,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:09:52,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:09:52,050 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:09:52,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:09:52,068 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:09:52,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:09:52,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1625502285, now seen corresponding path program 3 times [2024-11-28 04:09:52,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:09:52,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584052551] [2024-11-28 04:09:52,071 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:09:52,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:09:52,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2024-11-28 04:09:52,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:09:52,116 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:09:52,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:09:52,133 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:09:52,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:09:52,744 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:09:52,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:09:52,782 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 04:09:52 BoogieIcfgContainer [2024-11-28 04:09:52,782 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-28 04:09:52,783 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:09:52,783 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:09:52,783 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:09:52,784 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:09:42" (3/4) ... [2024-11-28 04:09:52,786 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-28 04:09:52,841 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 04:09:52,842 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:09:52,844 INFO L158 Benchmark]: Toolchain (without parser) took 10529.57ms. Allocated memory is still 117.4MB. Free memory was 95.1MB in the beginning and 70.4MB in the end (delta: 24.8MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2024-11-28 04:09:52,844 INFO L158 Benchmark]: CDTParser took 0.65ms. Allocated memory is still 167.8MB. Free memory is still 102.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:09:52,844 INFO L158 Benchmark]: CACSL2BoogieTranslator took 221.05ms. Allocated memory is still 117.4MB. Free memory was 95.1MB in the beginning and 85.1MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:09:52,845 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.14ms. Allocated memory is still 117.4MB. Free memory was 85.1MB in the beginning and 84.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:09:52,845 INFO L158 Benchmark]: Boogie Preprocessor took 31.98ms. Allocated memory is still 117.4MB. Free memory was 84.0MB in the beginning and 83.2MB in the end (delta: 793.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:09:52,846 INFO L158 Benchmark]: RCFGBuilder took 212.17ms. Allocated memory is still 117.4MB. Free memory was 83.2MB in the beginning and 74.3MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:09:52,846 INFO L158 Benchmark]: BuchiAutomizer took 9975.60ms. Allocated memory is still 117.4MB. Free memory was 74.0MB in the beginning and 73.1MB in the end (delta: 901.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:09:52,847 INFO L158 Benchmark]: Witness Printer took 58.71ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 70.4MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:09:52,849 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.65ms. Allocated memory is still 167.8MB. Free memory is still 102.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 221.05ms. Allocated memory is still 117.4MB. Free memory was 95.1MB in the beginning and 85.1MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.14ms. Allocated memory is still 117.4MB. Free memory was 85.1MB in the beginning and 84.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.98ms. Allocated memory is still 117.4MB. Free memory was 84.0MB in the beginning and 83.2MB in the end (delta: 793.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 212.17ms. Allocated memory is still 117.4MB. Free memory was 83.2MB in the beginning and 74.3MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 9975.60ms. Allocated memory is still 117.4MB. Free memory was 74.0MB in the beginning and 73.1MB in the end (delta: 901.3kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 58.71ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 70.4MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. 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 15 terminating modules (7 trivial, 6 deterministic, 2 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function (((long) -2 * i) + 1) and consists of 5 locations. One deterministic module has affine ranking function (((long) -2 * i) + 19) and consists of 4 locations. One deterministic module has affine ranking function i and consists of 4 locations. One deterministic module has affine ranking function (((long) -2 * i) + 1) and consists of 4 locations. One deterministic module has affine ranking function i and consists of 4 locations. One deterministic module has affine ranking function (((long) -1 * i) + 8) and consists of 16 locations. One nondeterministic module has affine ranking function (((long) -2 * i) + 19) and consists of 4 locations. One nondeterministic module has affine ranking function i and consists of 4 locations. 7 modules have a trivial ranking function, the largest among these consists of 12 locations. The remainder module has 183 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 9.8s and 11 iterations. TraceHistogramMax:20. Analysis of lassos took 7.1s. Construction of modules took 0.6s. Büchi inclusion checks took 1.9s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 15. Automata minimization 0.1s AutomataMinimizationTime, 15 MinimizatonAttempts, 515 StatesRemovedByMinimization, 15 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, 2, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 171/480 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 293 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 281 mSDsluCounter, 168 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 73 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 617 IncrementalHoareTripleChecker+Invalid, 690 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 73 mSolverCounterUnsat, 148 mSDtfsCounter, 617 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT3 conc0 concLT2 SILN0 SILU0 SILI1 SILT3 lasso0 LassoPreprocessingBenchmarks: Lassos: inital16 mio100 ax178 hnf100 lsp41 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq181 hnf93 smp94 dnf129 smp93 tf109 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 52ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 13 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 8 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.9s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 15]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L6] int i; [L7] int up; [L8] i = __VERIFIER_nondet_int() [L9] up = 0 VAL [up=0] [L11] COND TRUE 0 <= i && i <= 10 VAL [i=10, up=0] [L12] COND TRUE i == 10 [L13] up = 0 VAL [i=10, up=0] Loop: [L15] COND FALSE !(i == 0) [L18] COND FALSE !(up == 1) [L21] i = i-1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND FALSE !(up == 1) [L21] i = i-1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND FALSE !(up == 1) [L21] i = i-1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND FALSE !(up == 1) [L21] i = i-1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND FALSE !(up == 1) [L21] i = i-1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND FALSE !(up == 1) [L21] i = i-1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND FALSE !(up == 1) [L21] i = i-1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND FALSE !(up == 1) [L21] i = i-1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND FALSE !(up == 1) [L21] i = i-1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND FALSE !(up == 1) [L21] i = i-1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND TRUE i == 0 [L16] up = 1 [L18] COND TRUE up == 1 [L19] i = i+1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND TRUE up == 1 [L19] i = i+1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND TRUE up == 1 [L19] i = i+1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND TRUE up == 1 [L19] i = i+1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND TRUE up == 1 [L19] i = i+1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND TRUE up == 1 [L19] i = i+1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND TRUE up == 1 [L19] i = i+1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND TRUE up == 1 [L19] i = i+1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND TRUE up == 1 [L19] i = i+1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND TRUE up == 1 [L19] i = i+1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND TRUE i == 10 [L13] up = 0 End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 15]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L6] int i; [L7] int up; [L8] i = __VERIFIER_nondet_int() [L9] up = 0 VAL [up=0] [L11] COND TRUE 0 <= i && i <= 10 VAL [i=10, up=0] [L12] COND TRUE i == 10 [L13] up = 0 VAL [i=10, up=0] Loop: [L15] COND FALSE !(i == 0) [L18] COND FALSE !(up == 1) [L21] i = i-1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND FALSE !(up == 1) [L21] i = i-1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND FALSE !(up == 1) [L21] i = i-1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND FALSE !(up == 1) [L21] i = i-1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND FALSE !(up == 1) [L21] i = i-1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND FALSE !(up == 1) [L21] i = i-1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND FALSE !(up == 1) [L21] i = i-1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND FALSE !(up == 1) [L21] i = i-1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND FALSE !(up == 1) [L21] i = i-1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND FALSE !(up == 1) [L21] i = i-1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND TRUE i == 0 [L16] up = 1 [L18] COND TRUE up == 1 [L19] i = i+1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND TRUE up == 1 [L19] i = i+1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND TRUE up == 1 [L19] i = i+1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND TRUE up == 1 [L19] i = i+1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND TRUE up == 1 [L19] i = i+1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND TRUE up == 1 [L19] i = i+1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND TRUE up == 1 [L19] i = i+1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND TRUE up == 1 [L19] i = i+1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND TRUE up == 1 [L19] i = i+1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND TRUE up == 1 [L19] i = i+1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND TRUE i == 10 [L13] up = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-28 04:09:52,871 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Ended with exit code 0 [2024-11-28 04:09:53,068 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Ended with exit code 0 [2024-11-28 04:09:53,268 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Forceful destruction successful, exit code 0 [2024-11-28 04:09:53,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2024-11-28 04:09:53,668 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2024-11-28 04:09:53,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-11-28 04:09:54,069 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-11-28 04:09:54,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-28 04:09:54,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-11-28 04:09:54,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6059bac4-2afb-41f0-a815-27fce61b6f43/bin/uautomizer-verify-aQ6SnzHsRB/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)