./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/MinusUserDefined.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_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/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_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/MinusUserDefined.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/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_e08c0057-2f80-44a7-b469-7a3cdc426ebd/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 096bafbba8d51323312e8aef69baa45c66c17c65b2ec8717873d6ff292690721 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 05:18:04,424 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 05:18:04,519 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-28 05:18:04,523 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 05:18:04,524 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 05:18:04,560 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 05:18:04,561 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 05:18:04,561 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 05:18:04,561 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 05:18:04,561 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 05:18:04,561 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 05:18:04,562 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 05:18:04,562 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 05:18:04,562 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-28 05:18:04,562 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-28 05:18:04,562 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-28 05:18:04,562 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-28 05:18:04,562 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-28 05:18:04,562 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-28 05:18:04,562 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 05:18:04,563 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-28 05:18:04,563 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 05:18:04,565 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 05:18:04,565 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-28 05:18:04,565 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-28 05:18:04,565 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-28 05:18:04,565 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 05:18:04,565 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 05:18:04,565 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-28 05:18:04,565 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 05:18:04,566 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 05:18:04,566 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 05:18:04,566 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:18:04,566 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 05:18:04,566 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-28 05:18:04,567 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-28 05:18:04,567 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_e08c0057-2f80-44a7-b469-7a3cdc426ebd/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 -> 096bafbba8d51323312e8aef69baa45c66c17c65b2ec8717873d6ff292690721 [2024-11-28 05:18:04,858 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 05:18:04,867 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 05:18:04,870 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 05:18:04,871 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 05:18:04,871 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 05:18:04,872 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/termination-restricted-15/MinusUserDefined.c [2024-11-28 05:18:07,774 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/data/9c8313ebd/6ceccf7d5e2d4de7a99c860195af5743/FLAGd6eee2471 [2024-11-28 05:18:07,991 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 05:18:07,992 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/sv-benchmarks/c/termination-restricted-15/MinusUserDefined.c [2024-11-28 05:18:08,003 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/data/9c8313ebd/6ceccf7d5e2d4de7a99c860195af5743/FLAGd6eee2471 [2024-11-28 05:18:08,019 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/data/9c8313ebd/6ceccf7d5e2d4de7a99c860195af5743 [2024-11-28 05:18:08,021 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 05:18:08,022 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 05:18:08,023 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 05:18:08,023 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 05:18:08,028 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 05:18:08,029 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:18:08" (1/1) ... [2024-11-28 05:18:08,030 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@193ae316 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:18:08, skipping insertion in model container [2024-11-28 05:18:08,030 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:18:08" (1/1) ... [2024-11-28 05:18:08,045 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 05:18:08,221 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:18:08,228 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 05:18:08,247 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:18:08,268 INFO L204 MainTranslator]: Completed translation [2024-11-28 05:18:08,269 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:18:08 WrapperNode [2024-11-28 05:18:08,269 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 05:18:08,271 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 05:18:08,271 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 05:18:08,271 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 05:18:08,282 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:18:08" (1/1) ... [2024-11-28 05:18:08,286 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:18:08" (1/1) ... [2024-11-28 05:18:08,307 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2024-11-28 05:18:08,309 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 05:18:08,309 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 05:18:08,310 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 05:18:08,310 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 05:18:08,321 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:18:08" (1/1) ... [2024-11-28 05:18:08,321 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:18:08" (1/1) ... [2024-11-28 05:18:08,323 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:18:08" (1/1) ... [2024-11-28 05:18:08,330 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-28 05:18:08,330 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:18:08" (1/1) ... [2024-11-28 05:18:08,330 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:18:08" (1/1) ... [2024-11-28 05:18:08,334 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:18:08" (1/1) ... [2024-11-28 05:18:08,336 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:18:08" (1/1) ... [2024-11-28 05:18:08,347 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:18:08" (1/1) ... [2024-11-28 05:18:08,351 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:18:08" (1/1) ... [2024-11-28 05:18:08,352 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:18:08" (1/1) ... [2024-11-28 05:18:08,353 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 05:18:08,358 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 05:18:08,358 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 05:18:08,358 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 05:18:08,359 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:18:08" (1/1) ... [2024-11-28 05:18:08,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:18:08,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:18:08,426 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:18:08,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-28 05:18:08,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 05:18:08,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 05:18:08,565 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 05:18:08,567 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 05:18:08,688 INFO L? ?]: Removed 3 outVars from TransFormulas that were not future-live. [2024-11-28 05:18:08,688 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 05:18:08,707 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 05:18:08,707 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-28 05:18:08,708 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:18:08 BoogieIcfgContainer [2024-11-28 05:18:08,708 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 05:18:08,709 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-28 05:18:08,709 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-28 05:18:08,721 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-28 05:18:08,722 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 05:18:08,723 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 05:18:08" (1/3) ... [2024-11-28 05:18:08,724 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1875d9b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 05:18:08, skipping insertion in model container [2024-11-28 05:18:08,724 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 05:18:08,724 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:18:08" (2/3) ... [2024-11-28 05:18:08,725 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1875d9b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 05:18:08, skipping insertion in model container [2024-11-28 05:18:08,725 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 05:18:08,725 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:18:08" (3/3) ... [2024-11-28 05:18:08,727 INFO L363 chiAutomizerObserver]: Analyzing ICFG MinusUserDefined.c [2024-11-28 05:18:08,812 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-28 05:18:08,813 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-28 05:18:08,813 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-28 05:18:08,813 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-28 05:18:08,813 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-28 05:18:08,814 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-28 05:18:08,814 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-28 05:18:08,814 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-28 05:18:08,821 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:18:08,843 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-11-28 05:18:08,844 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 05:18:08,844 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 05:18:08,850 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-28 05:18:08,851 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-28 05:18:08,851 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-28 05:18:08,851 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:18:08,852 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-11-28 05:18:08,852 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 05:18:08,853 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 05:18:08,853 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-28 05:18:08,853 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-28 05:18:08,861 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1, main_~res~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~res~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~res~0#1 := 0;" [2024-11-28 05:18:08,861 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~x~0#1 > 0 && main_~y~0#1 > 0;" "main_~x~0#1 := main_~x~0#1 - 1;main_~y~0#1 := main_~y~0#1 - 1;" [2024-11-28 05:18:08,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:18:08,869 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-28 05:18:08,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 05:18:08,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632804836] [2024-11-28 05:18:08,880 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:18:08,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:18:08,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:18:08,972 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:18:08,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:18:08,994 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 05:18:08,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:18:08,998 INFO L85 PathProgramCache]: Analyzing trace with hash 1221, now seen corresponding path program 1 times [2024-11-28 05:18:08,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 05:18:08,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675816048] [2024-11-28 05:18:08,998 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:18:08,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:18:09,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:18:09,011 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:18:09,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:18:09,017 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 05:18:09,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:18:09,019 INFO L85 PathProgramCache]: Analyzing trace with hash 925703, now seen corresponding path program 1 times [2024-11-28 05:18:09,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 05:18:09,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624748633] [2024-11-28 05:18:09,020 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:18:09,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:18:09,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:18:09,028 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:18:09,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:18:09,035 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 05:18:09,140 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 05:18:09,141 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 05:18:09,141 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 05:18:09,141 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 05:18:09,142 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 05:18:09,142 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:18:09,143 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 05:18:09,143 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 05:18:09,143 INFO L132 ssoRankerPreferences]: Filename of dumped script: MinusUserDefined.c_Iteration1_Loop [2024-11-28 05:18:09,144 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 05:18:09,144 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 05:18:09,171 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:18:09,209 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:18:09,220 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:18:09,228 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:18:09,348 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 05:18:09,349 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 05:18:09,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:18:09,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:18:09,354 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:18:09,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-28 05:18:09,361 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 05:18:09,361 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 05:18:09,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-11-28 05:18:09,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:18:09,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:18:09,392 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:18:09,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-28 05:18:09,394 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 05:18:09,394 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 05:18:09,429 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 05:18:09,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-11-28 05:18:09,437 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 05:18:09,437 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 05:18:09,437 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 05:18:09,437 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 05:18:09,437 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 05:18:09,437 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:18:09,437 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 05:18:09,438 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 05:18:09,438 INFO L132 ssoRankerPreferences]: Filename of dumped script: MinusUserDefined.c_Iteration1_Loop [2024-11-28 05:18:09,438 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 05:18:09,438 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 05:18:09,441 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:18:09,454 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:18:09,461 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:18:09,473 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:18:09,576 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 05:18:09,584 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 05:18:09,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:18:09,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:18:09,589 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:18:09,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-28 05:18:09,595 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 05:18:09,614 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 05:18:09,615 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 05:18:09,616 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 05:18:09,616 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 05:18:09,616 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 05:18:09,623 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 05:18:09,624 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 05:18:09,629 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 05:18:09,636 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2024-11-28 05:18:09,640 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-28 05:18:09,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:18:09,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:18:09,647 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:18:09,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-28 05:18:09,650 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 05:18:09,651 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 05:18:09,652 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 05:18:09,652 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2024-11-28 05:18:09,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-11-28 05:18:09,672 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-28 05:18:09,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:18:09,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:18:09,736 INFO L256 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 05:18:09,737 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:18:09,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:18:09,760 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 05:18:09,761 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:18:09,799 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 05:18:09,839 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 05:18:09,841 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 05:18:09,929 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 30 states and 44 transitions. Complement of second has 8 states. [2024-11-28 05:18:09,932 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 05:18:09,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 05:18:09,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 21 transitions. [2024-11-28 05:18:09,951 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 2 letters. Loop has 2 letters. [2024-11-28 05:18:09,952 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 05:18:09,952 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 4 letters. Loop has 2 letters. [2024-11-28 05:18:09,952 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 05:18:09,952 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 2 letters. Loop has 4 letters. [2024-11-28 05:18:09,953 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 05:18:09,955 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 44 transitions. [2024-11-28 05:18:09,958 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-28 05:18:09,962 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 11 states and 15 transitions. [2024-11-28 05:18:09,963 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2024-11-28 05:18:09,964 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2024-11-28 05:18:09,965 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 15 transitions. [2024-11-28 05:18:09,965 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 05:18:09,966 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11 states and 15 transitions. [2024-11-28 05:18:09,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 15 transitions. [2024-11-28 05:18:09,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2024-11-28 05:18:09,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 8 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 05:18:09,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 13 transitions. [2024-11-28 05:18:09,999 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 13 transitions. [2024-11-28 05:18:09,999 INFO L425 stractBuchiCegarLoop]: Abstraction has 9 states and 13 transitions. [2024-11-28 05:18:09,999 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-28 05:18:09,999 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 13 transitions. [2024-11-28 05:18:10,000 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-28 05:18:10,000 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 05:18:10,000 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 05:18:10,002 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-28 05:18:10,002 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-28 05:18:10,003 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1, main_~res~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~res~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~res~0#1 := 0;" "assume !(main_~x~0#1 > 0 && main_~y~0#1 > 0);" [2024-11-28 05:18:10,003 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~x~0#1 > 0;" "main_~y~0#1 := 1 + main_~y~0#1;main_~res~0#1 := 1 + main_~res~0#1;" "assume !(main_~x~0#1 > 0 && main_~y~0#1 > 0);" [2024-11-28 05:18:10,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:18:10,004 INFO L85 PathProgramCache]: Analyzing trace with hash 29863, now seen corresponding path program 1 times [2024-11-28 05:18:10,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 05:18:10,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61417086] [2024-11-28 05:18:10,004 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:18:10,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:18:10,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:18:10,011 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:18:10,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:18:10,016 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 05:18:10,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:18:10,017 INFO L85 PathProgramCache]: Analyzing trace with hash 49787, now seen corresponding path program 1 times [2024-11-28 05:18:10,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 05:18:10,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254565679] [2024-11-28 05:18:10,017 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:18:10,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:18:10,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:18:10,028 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:18:10,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:18:10,033 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 05:18:10,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:18:10,034 INFO L85 PathProgramCache]: Analyzing trace with hash 889668629, now seen corresponding path program 1 times [2024-11-28 05:18:10,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 05:18:10,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51048646] [2024-11-28 05:18:10,035 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:18:10,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:18:10,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:18:10,043 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:18:10,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:18:10,050 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 05:18:10,134 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 05:18:10,134 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 05:18:10,134 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 05:18:10,134 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 05:18:10,135 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 05:18:10,135 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:18:10,135 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 05:18:10,135 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 05:18:10,135 INFO L132 ssoRankerPreferences]: Filename of dumped script: MinusUserDefined.c_Iteration2_Loop [2024-11-28 05:18:10,135 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 05:18:10,135 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 05:18:10,137 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:18:10,145 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:18:10,156 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:18:10,163 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:18:10,171 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:18:10,271 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 05:18:10,271 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 05:18:10,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:18:10,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:18:10,278 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:18:10,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-28 05:18:10,282 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 05:18:10,282 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 05:18:10,312 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 05:18:10,312 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 05:18:10,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-28 05:18:10,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:18:10,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:18:10,328 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:18:10,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-28 05:18:10,333 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 05:18:10,334 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 05:18:10,368 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-11-28 05:18:10,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:18:10,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:18:10,373 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:18:10,378 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 05:18:10,378 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 05:18:10,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-28 05:18:10,452 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 05:18:10,452 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~res~0#1=0} Honda state: {ULTIMATE.start_main_~res~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_main_~res~0#1=1}, {ULTIMATE.start_main_~res~0#1=5}, {ULTIMATE.start_main_~res~0#1=-5}] Lambdas: [1, 2, 1] Nus: [0, 1] [2024-11-28 05:18:10,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-11-28 05:18:10,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:18:10,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:18:10,468 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:18:10,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-28 05:18:10,473 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 05:18:10,473 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 05:18:10,504 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 05:18:10,504 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=1} Honda state: {ULTIMATE.start_main_~x~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 05:18:10,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-11-28 05:18:10,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:18:10,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:18:10,519 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:18:10,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-28 05:18:10,526 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 05:18:10,526 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 05:18:10,557 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 05:18:10,557 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 05:18:10,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-11-28 05:18:10,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:18:10,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:18:10,572 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:18:10,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-28 05:18:10,580 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 05:18:10,581 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 05:18:10,611 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-11-28 05:18:10,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:18:10,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:18:10,618 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:18:10,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-28 05:18:10,624 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 05:18:10,625 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 05:18:10,724 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 05:18:10,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-11-28 05:18:10,728 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 05:18:10,728 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 05:18:10,728 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 05:18:10,728 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 05:18:10,728 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 05:18:10,729 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:18:10,729 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 05:18:10,729 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 05:18:10,729 INFO L132 ssoRankerPreferences]: Filename of dumped script: MinusUserDefined.c_Iteration2_Loop [2024-11-28 05:18:10,729 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 05:18:10,729 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 05:18:10,748 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:18:10,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-28 05:18:10,765 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:18:10,771 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:18:10,776 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:18:10,787 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:18:10,866 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 05:18:10,866 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 05:18:10,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:18:10,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:18:10,869 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:18:10,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-28 05:18:10,875 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 05:18:10,893 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 05:18:10,893 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 05:18:10,893 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 05:18:10,893 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 05:18:10,899 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 05:18:10,900 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 05:18:10,911 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 05:18:10,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-11-28 05:18:10,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:18:10,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:18:10,927 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:18:10,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-28 05:18:10,932 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 05:18:10,950 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 05:18:10,950 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 05:18:10,950 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 05:18:10,950 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 05:18:10,950 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 05:18:10,952 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 05:18:10,953 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 05:18:10,957 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 05:18:10,970 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-11-28 05:18:10,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:18:10,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:18:10,974 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:18:10,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-28 05:18:10,980 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 05:18:10,998 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 05:18:10,998 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 05:18:10,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 05:18:10,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 05:18:10,998 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 05:18:10,999 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 05:18:10,999 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 05:18:11,002 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 05:18:11,014 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-11-28 05:18:11,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:18:11,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:18:11,019 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:18:11,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-28 05:18:11,023 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 05:18:11,038 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 05:18:11,039 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 05:18:11,039 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 05:18:11,039 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 05:18:11,039 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 05:18:11,040 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 05:18:11,040 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 05:18:11,044 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 05:18:11,049 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-28 05:18:11,049 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-28 05:18:11,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:18:11,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:18:11,054 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:18:11,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-28 05:18:11,059 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 05:18:11,059 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 05:18:11,059 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 05:18:11,059 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = -1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2024-11-28 05:18:11,068 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-11-28 05:18:11,069 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-28 05:18:11,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:18:11,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:18:11,104 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 05:18:11,104 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:18:11,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:18:11,117 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 05:18:11,118 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:18:11,195 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 05:18:11,195 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 05:18:11,196 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states and 13 transitions. cyclomatic complexity: 6 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 05:18:11,279 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states and 13 transitions. cyclomatic complexity: 6. Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 28 states and 40 transitions. Complement of second has 10 states. [2024-11-28 05:18:11,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-28 05:18:11,282 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 05:18:11,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 21 transitions. [2024-11-28 05:18:11,283 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 3 letters. Loop has 3 letters. [2024-11-28 05:18:11,284 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 05:18:11,284 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 6 letters. Loop has 3 letters. [2024-11-28 05:18:11,284 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 05:18:11,284 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 3 letters. Loop has 6 letters. [2024-11-28 05:18:11,285 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 05:18:11,285 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 40 transitions. [2024-11-28 05:18:11,289 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2024-11-28 05:18:11,290 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 23 states and 31 transitions. [2024-11-28 05:18:11,290 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2024-11-28 05:18:11,290 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2024-11-28 05:18:11,291 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 31 transitions. [2024-11-28 05:18:11,291 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 05:18:11,291 INFO L218 hiAutomatonCegarLoop]: Abstraction has 23 states and 31 transitions. [2024-11-28 05:18:11,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 31 transitions. [2024-11-28 05:18:11,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2024-11-28 05:18:11,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.380952380952381) internal successors, (29), 20 states have internal predecessors, (29), 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 05:18:11,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 29 transitions. [2024-11-28 05:18:11,298 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 29 transitions. [2024-11-28 05:18:11,298 INFO L425 stractBuchiCegarLoop]: Abstraction has 21 states and 29 transitions. [2024-11-28 05:18:11,298 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-28 05:18:11,298 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 29 transitions. [2024-11-28 05:18:11,299 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2024-11-28 05:18:11,299 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 05:18:11,301 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 05:18:11,302 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-28 05:18:11,302 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-28 05:18:11,302 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1, main_~res~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~res~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~res~0#1 := 0;" "assume !(main_~x~0#1 > 0 && main_~y~0#1 > 0);" "assume main_~x~0#1 > 0;" [2024-11-28 05:18:11,302 INFO L749 eck$LassoCheckResult]: Loop: "main_~y~0#1 := 1 + main_~y~0#1;main_~res~0#1 := 1 + main_~res~0#1;" "assume main_~x~0#1 > 0 && main_~y~0#1 > 0;" "main_~x~0#1 := main_~x~0#1 - 1;main_~y~0#1 := main_~y~0#1 - 1;" "assume !(main_~x~0#1 > 0 && main_~y~0#1 > 0);" "assume main_~x~0#1 > 0;" [2024-11-28 05:18:11,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:18:11,302 INFO L85 PathProgramCache]: Analyzing trace with hash 925773, now seen corresponding path program 1 times [2024-11-28 05:18:11,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 05:18:11,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490287012] [2024-11-28 05:18:11,303 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:18:11,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:18:11,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:18:11,309 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:18:11,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:18:11,321 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 05:18:11,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:18:11,322 INFO L85 PathProgramCache]: Analyzing trace with hash 51721071, now seen corresponding path program 1 times [2024-11-28 05:18:11,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 05:18:11,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029533869] [2024-11-28 05:18:11,322 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:18:11,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:18:11,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:18:11,336 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:18:11,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:18:11,350 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 05:18:11,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:18:11,353 INFO L85 PathProgramCache]: Analyzing trace with hash -125082973, now seen corresponding path program 1 times [2024-11-28 05:18:11,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 05:18:11,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078066028] [2024-11-28 05:18:11,353 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:18:11,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:18:11,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:18:11,371 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:18:11,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:18:11,386 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 05:18:11,507 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 05:18:11,507 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 05:18:11,507 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 05:18:11,507 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 05:18:11,508 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 05:18:11,508 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:18:11,508 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 05:18:11,508 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 05:18:11,508 INFO L132 ssoRankerPreferences]: Filename of dumped script: MinusUserDefined.c_Iteration3_Loop [2024-11-28 05:18:11,508 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 05:18:11,508 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 05:18:11,509 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:18:11,527 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:18:11,532 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:18:11,539 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:18:11,549 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:18:11,635 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 05:18:11,635 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 05:18:11,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:18:11,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:18:11,638 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:18:11,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-28 05:18:11,643 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 05:18:11,644 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 05:18:11,665 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 05:18:11,665 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0#1=0} Honda state: {ULTIMATE.start_main_~y~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 05:18:11,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2024-11-28 05:18:11,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:18:11,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:18:11,681 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:18:11,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-28 05:18:11,687 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 05:18:11,687 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 05:18:11,718 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 05:18:11,718 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 05:18:11,730 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2024-11-28 05:18:11,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:18:11,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:18:11,734 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:18:11,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-28 05:18:11,740 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 05:18:11,740 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 05:18:11,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-11-28 05:18:11,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:18:11,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:18:11,777 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:18:11,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-28 05:18:11,783 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 05:18:11,783 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 05:18:11,838 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 05:18:11,838 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~res~0#1=0} Honda state: {ULTIMATE.start_main_~res~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_main_~res~0#1=1}, {ULTIMATE.start_main_~res~0#1=5}, {ULTIMATE.start_main_~res~0#1=-5}] Lambdas: [1, 2, 1] Nus: [0, 1] [2024-11-28 05:18:11,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2024-11-28 05:18:11,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:18:11,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:18:11,856 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:18:11,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-28 05:18:11,860 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 05:18:11,860 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 05:18:11,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2024-11-28 05:18:11,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:18:11,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:18:11,885 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:18:11,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-11-28 05:18:11,887 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 05:18:11,887 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 05:18:11,940 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 05:18:11,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2024-11-28 05:18:11,947 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 05:18:11,948 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 05:18:11,948 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 05:18:11,948 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 05:18:11,948 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 05:18:11,948 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:18:11,948 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 05:18:11,948 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 05:18:11,948 INFO L132 ssoRankerPreferences]: Filename of dumped script: MinusUserDefined.c_Iteration3_Loop [2024-11-28 05:18:11,948 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 05:18:11,948 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 05:18:11,949 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:18:11,957 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:18:11,963 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:18:11,967 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:18:11,974 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:18:12,062 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 05:18:12,062 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 05:18:12,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:18:12,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:18:12,065 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:18:12,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-28 05:18:12,070 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 05:18:12,085 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 05:18:12,085 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 05:18:12,085 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 05:18:12,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 05:18:12,085 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 05:18:12,091 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 05:18:12,092 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 05:18:12,096 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 05:18:12,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-11-28 05:18:12,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:18:12,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:18:12,109 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:18:12,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-11-28 05:18:12,114 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 05:18:12,129 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 05:18:12,129 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 05:18:12,130 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 05:18:12,130 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 05:18:12,133 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 05:18:12,134 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 05:18:12,140 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 05:18:12,149 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2024-11-28 05:18:12,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:18:12,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:18:12,151 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:18:12,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-11-28 05:18:12,155 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 05:18:12,170 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 05:18:12,170 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 05:18:12,170 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 05:18:12,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 05:18:12,170 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 05:18:12,171 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 05:18:12,171 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 05:18:12,175 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 05:18:12,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2024-11-28 05:18:12,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:18:12,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:18:12,188 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:18:12,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-11-28 05:18:12,191 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 05:18:12,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 05:18:12,205 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 05:18:12,205 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 05:18:12,205 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 05:18:12,205 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 05:18:12,207 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 05:18:12,207 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 05:18:12,211 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 05:18:12,215 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-28 05:18:12,216 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-28 05:18:12,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:18:12,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:18:12,219 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:18:12,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-11-28 05:18:12,221 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 05:18:12,222 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 05:18:12,222 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 05:18:12,222 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2024-11-28 05:18:12,230 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2024-11-28 05:18:12,231 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-28 05:18:12,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:18:12,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:18:12,253 INFO L256 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 05:18:12,254 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:18:12,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:18:12,266 INFO L256 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 05:18:12,266 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:18:12,293 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:18:12,294 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 05:18:12,294 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 29 transitions. cyclomatic complexity: 12 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 05:18:12,324 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 29 transitions. cyclomatic complexity: 12. 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 52 states and 70 transitions. Complement of second has 7 states. [2024-11-28 05:18:12,325 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 05:18:12,326 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 05:18:12,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 24 transitions. [2024-11-28 05:18:12,326 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 4 letters. Loop has 5 letters. [2024-11-28 05:18:12,326 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 05:18:12,327 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 9 letters. Loop has 5 letters. [2024-11-28 05:18:12,327 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 05:18:12,327 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 4 letters. Loop has 10 letters. [2024-11-28 05:18:12,327 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 05:18:12,327 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 52 states and 70 transitions. [2024-11-28 05:18:12,329 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-28 05:18:12,329 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 52 states to 32 states and 41 transitions. [2024-11-28 05:18:12,330 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2024-11-28 05:18:12,330 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-11-28 05:18:12,330 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 41 transitions. [2024-11-28 05:18:12,330 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 05:18:12,330 INFO L218 hiAutomatonCegarLoop]: Abstraction has 32 states and 41 transitions. [2024-11-28 05:18:12,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 41 transitions. [2024-11-28 05:18:12,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 28. [2024-11-28 05:18:12,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 1.3214285714285714) internal successors, (37), 27 states have internal predecessors, (37), 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 05:18:12,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 37 transitions. [2024-11-28 05:18:12,333 INFO L240 hiAutomatonCegarLoop]: Abstraction has 28 states and 37 transitions. [2024-11-28 05:18:12,333 INFO L425 stractBuchiCegarLoop]: Abstraction has 28 states and 37 transitions. [2024-11-28 05:18:12,333 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-28 05:18:12,333 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 37 transitions. [2024-11-28 05:18:12,334 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-28 05:18:12,334 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 05:18:12,334 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 05:18:12,334 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1] [2024-11-28 05:18:12,334 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-28 05:18:12,334 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1, main_~res~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~res~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~res~0#1 := 0;" "assume !(main_~x~0#1 > 0 && main_~y~0#1 > 0);" "assume main_~x~0#1 > 0;" "main_~y~0#1 := 1 + main_~y~0#1;main_~res~0#1 := 1 + main_~res~0#1;" "assume main_~x~0#1 > 0 && main_~y~0#1 > 0;" "main_~x~0#1 := main_~x~0#1 - 1;main_~y~0#1 := main_~y~0#1 - 1;" "assume main_~x~0#1 > 0 && main_~y~0#1 > 0;" "main_~x~0#1 := main_~x~0#1 - 1;main_~y~0#1 := main_~y~0#1 - 1;" "assume !(main_~x~0#1 > 0 && main_~y~0#1 > 0);" "assume main_~x~0#1 > 0;" "main_~y~0#1 := 1 + main_~y~0#1;main_~res~0#1 := 1 + main_~res~0#1;" [2024-11-28 05:18:12,335 INFO L749 eck$LassoCheckResult]: Loop: "assume !(main_~x~0#1 > 0 && main_~y~0#1 > 0);" "assume main_~x~0#1 > 0;" "main_~y~0#1 := 1 + main_~y~0#1;main_~res~0#1 := 1 + main_~res~0#1;" [2024-11-28 05:18:12,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:18:12,335 INFO L85 PathProgramCache]: Analyzing trace with hash 1683365713, now seen corresponding path program 2 times [2024-11-28 05:18:12,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 05:18:12,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883066941] [2024-11-28 05:18:12,335 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:18:12,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:18:12,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:18:12,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 05:18:12,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883066941] [2024-11-28 05:18:12,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883066941] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:18:12,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [122084017] [2024-11-28 05:18:12,480 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:18:12,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:18:12,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:18:12,483 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:18:12,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-28 05:18:12,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:18:12,509 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 05:18:12,510 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:18:12,538 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:18:12,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [122084017] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:18:12,574 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:18:12,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 5 [2024-11-28 05:18:12,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947826438] [2024-11-28 05:18:12,575 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:18:12,577 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-28 05:18:12,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:18:12,578 INFO L85 PathProgramCache]: Analyzing trace with hash 61187, now seen corresponding path program 2 times [2024-11-28 05:18:12,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 05:18:12,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826804752] [2024-11-28 05:18:12,578 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:18:12,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:18:12,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:18:12,582 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:18:12,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:18:12,585 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 05:18:12,624 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 05:18:12,624 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 05:18:12,624 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 05:18:12,624 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 05:18:12,624 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 05:18:12,624 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:18:12,625 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 05:18:12,625 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 05:18:12,625 INFO L132 ssoRankerPreferences]: Filename of dumped script: MinusUserDefined.c_Iteration4_Loop [2024-11-28 05:18:12,625 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 05:18:12,625 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 05:18:12,626 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:18:12,629 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:18:12,632 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:18:12,635 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:18:12,638 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:18:12,692 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 05:18:12,693 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 05:18:12,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:18:12,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:18:12,695 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:18:12,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-11-28 05:18:12,699 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 05:18:12,699 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 05:18:12,719 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 05:18:12,719 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=1} Honda state: {ULTIMATE.start_main_~x~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 05:18:12,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2024-11-28 05:18:12,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:18:12,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:18:12,728 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:18:12,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-11-28 05:18:12,731 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 05:18:12,731 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 05:18:12,749 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 05:18:12,750 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_7=1} Honda state: {v_rep~unnamed0~0~true_7=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 05:18:12,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2024-11-28 05:18:12,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:18:12,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:18:12,759 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:18:12,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-11-28 05:18:12,762 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 05:18:12,763 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 05:18:12,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2024-11-28 05:18:12,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:18:12,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:18:12,789 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:18:12,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-11-28 05:18:12,793 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 05:18:12,793 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 05:18:12,840 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 05:18:12,841 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~res~0#1=0} Honda state: {ULTIMATE.start_main_~res~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_main_~res~0#1=1}, {ULTIMATE.start_main_~res~0#1=5}, {ULTIMATE.start_main_~res~0#1=-5}] Lambdas: [1, 2, 1] Nus: [0, 1] [2024-11-28 05:18:12,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2024-11-28 05:18:12,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:18:12,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:18:12,850 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:18:12,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-11-28 05:18:12,853 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 05:18:12,853 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 05:18:12,871 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 05:18:12,871 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_7=0} Honda state: {v_rep~unnamed0~0~false_7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 05:18:12,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2024-11-28 05:18:12,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:18:12,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:18:12,881 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:18:12,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-11-28 05:18:12,883 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 05:18:12,883 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 05:18:12,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2024-11-28 05:18:12,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:18:12,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:18:12,903 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:18:12,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-11-28 05:18:12,910 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 05:18:12,910 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 05:18:12,936 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 05:18:12,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2024-11-28 05:18:12,939 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 05:18:12,940 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 05:18:12,940 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 05:18:12,940 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 05:18:12,940 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 05:18:12,940 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:18:12,940 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 05:18:12,940 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 05:18:12,940 INFO L132 ssoRankerPreferences]: Filename of dumped script: MinusUserDefined.c_Iteration4_Loop [2024-11-28 05:18:12,940 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 05:18:12,940 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 05:18:12,941 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:18:12,945 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:18:12,951 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:18:12,954 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:18:12,958 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:18:13,026 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 05:18:13,026 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 05:18:13,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:18:13,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:18:13,031 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:18:13,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-11-28 05:18:13,035 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 05:18:13,049 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 05:18:13,049 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 05:18:13,049 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 05:18:13,049 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 05:18:13,049 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 05:18:13,051 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 05:18:13,051 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 05:18:13,078 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 05:18:13,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2024-11-28 05:18:13,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:18:13,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:18:13,089 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:18:13,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-11-28 05:18:13,094 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 05:18:13,112 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 05:18:13,112 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 05:18:13,112 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 05:18:13,112 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 05:18:13,113 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 05:18:13,114 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 05:18:13,114 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 05:18:13,120 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 05:18:13,133 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2024-11-28 05:18:13,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:18:13,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:18:13,135 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:18:13,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-11-28 05:18:13,138 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 05:18:13,151 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 05:18:13,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 05:18:13,152 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 05:18:13,152 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 05:18:13,154 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 05:18:13,154 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 05:18:13,158 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 05:18:13,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2024-11-28 05:18:13,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:18:13,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:18:13,169 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:18:13,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-11-28 05:18:13,190 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 05:18:13,204 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 05:18:13,205 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 05:18:13,205 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 05:18:13,205 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 05:18:13,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2024-11-28 05:18:13,209 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 05:18:13,210 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 05:18:13,213 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 05:18:13,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-11-28 05:18:13,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2024-11-28 05:18:13,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:18:13,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:18:13,228 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:18:13,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-11-28 05:18:13,231 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 05:18:13,244 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 05:18:13,245 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 05:18:13,245 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 05:18:13,245 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 05:18:13,245 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 05:18:13,246 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 05:18:13,246 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 05:18:13,249 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 05:18:13,252 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-28 05:18:13,253 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-28 05:18:13,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:18:13,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:18:13,255 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:18:13,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2024-11-28 05:18:13,258 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 05:18:13,258 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 05:18:13,258 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 05:18:13,258 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = -2*ULTIMATE.start_main_~y~0#1 + 1 Supporting invariants [] [2024-11-28 05:18:13,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2024-11-28 05:18:13,268 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-28 05:18:13,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:18:13,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:18:13,303 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 05:18:13,304 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:18:13,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:18:13,339 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 05:18:13,340 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:18:13,391 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 05:18:13,391 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 05:18:13,392 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 28 states and 37 transitions. cyclomatic complexity: 14 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 05:18:13,434 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 28 states and 37 transitions. cyclomatic complexity: 14. 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 45 states and 56 transitions. Complement of second has 9 states. [2024-11-28 05:18:13,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-28 05:18:13,437 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 05:18:13,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2024-11-28 05:18:13,438 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 12 letters. Loop has 3 letters. [2024-11-28 05:18:13,438 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 05:18:13,438 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-28 05:18:13,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:18:13,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:18:13,466 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 05:18:13,466 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:18:13,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:18:13,494 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 05:18:13,495 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:18:13,535 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 05:18:13,536 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-28 05:18:13,536 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 28 states and 37 transitions. cyclomatic complexity: 14 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 05:18:13,572 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 28 states and 37 transitions. cyclomatic complexity: 14. 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 45 states and 56 transitions. Complement of second has 9 states. [2024-11-28 05:18:13,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-28 05:18:13,573 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 05:18:13,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2024-11-28 05:18:13,573 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 12 letters. Loop has 3 letters. [2024-11-28 05:18:13,573 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 05:18:13,573 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-28 05:18:13,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:18:13,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:18:13,605 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 05:18:13,605 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:18:13,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:18:13,630 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 05:18:13,631 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:18:13,673 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 05:18:13,674 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-28 05:18:13,674 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 28 states and 37 transitions. cyclomatic complexity: 14 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 05:18:13,713 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 28 states and 37 transitions. cyclomatic complexity: 14. 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 45 states and 55 transitions. Complement of second has 8 states. [2024-11-28 05:18:13,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-28 05:18:13,714 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 05:18:13,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions. [2024-11-28 05:18:13,715 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 12 letters. Loop has 3 letters. [2024-11-28 05:18:13,715 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 05:18:13,715 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 15 letters. Loop has 3 letters. [2024-11-28 05:18:13,715 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 05:18:13,715 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 12 letters. Loop has 6 letters. [2024-11-28 05:18:13,716 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 05:18:13,716 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 55 transitions. [2024-11-28 05:18:13,717 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-28 05:18:13,718 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 0 states and 0 transitions. [2024-11-28 05:18:13,718 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-28 05:18:13,718 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-28 05:18:13,718 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-28 05:18:13,718 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 05:18:13,718 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 05:18:13,718 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 05:18:13,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 05:18:13,720 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:18:13,720 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:18:13,721 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 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 05:18:13,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:18:13,723 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2024-11-28 05:18:13,723 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2024-11-28 05:18:13,723 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-28 05:18:13,723 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 05:18:13,723 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-28 05:18:13,723 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-28 05:18:13,723 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-28 05:18:13,723 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 05:18:13,723 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 05:18:13,723 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 05:18:13,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 05:18:13,724 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 05:18:13,724 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-28 05:18:13,724 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-28 05:18:13,724 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-28 05:18:13,724 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-28 05:18:13,732 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 05:18:13 BoogieIcfgContainer [2024-11-28 05:18:13,733 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-28 05:18:13,733 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 05:18:13,733 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 05:18:13,733 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 05:18:13,734 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:18:08" (3/4) ... [2024-11-28 05:18:13,736 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 05:18:13,737 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 05:18:13,738 INFO L158 Benchmark]: Toolchain (without parser) took 5716.07ms. Allocated memory is still 142.6MB. Free memory was 117.5MB in the beginning and 83.5MB in the end (delta: 34.0MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. [2024-11-28 05:18:13,738 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 74.2MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:18:13,739 INFO L158 Benchmark]: CACSL2BoogieTranslator took 246.83ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 107.3MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 05:18:13,739 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.03ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 106.4MB in the end (delta: 944.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:18:13,739 INFO L158 Benchmark]: Boogie Preprocessor took 47.37ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 105.4MB in the end (delta: 966.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:18:13,739 INFO L158 Benchmark]: RCFGBuilder took 350.35ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 96.6MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 05:18:13,740 INFO L158 Benchmark]: BuchiAutomizer took 5023.57ms. Allocated memory is still 142.6MB. Free memory was 96.6MB in the beginning and 83.5MB in the end (delta: 13.1MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2024-11-28 05:18:13,740 INFO L158 Benchmark]: Witness Printer took 4.02ms. Allocated memory is still 142.6MB. Free memory was 83.5MB in the beginning and 83.5MB in the end (delta: 24.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:18:13,742 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 74.2MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 246.83ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 107.3MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.03ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 106.4MB in the end (delta: 944.1kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 47.37ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 105.4MB in the end (delta: 966.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 350.35ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 96.6MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 5023.57ms. Allocated memory is still 142.6MB. Free memory was 96.6MB in the beginning and 83.5MB in the end (delta: 13.1MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. * Witness Printer took 4.02ms. Allocated memory is still 142.6MB. Free memory was 83.5MB in the beginning and 83.5MB in the end (delta: 24.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (1 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function y and consists of 5 locations. One deterministic module has affine ranking function ((long) -1 * y) and consists of 6 locations. One deterministic module has affine ranking function x and consists of 5 locations. One nondeterministic module has affine ranking function (((long) -2 * y) + 1) and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.9s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 3.7s. Construction of modules took 0.1s. Büchi inclusion checks took 0.9s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 8 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 1/1 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 56 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 50 mSDsluCounter, 52 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 76 IncrementalHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 43 mSDtfsCounter, 76 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT3 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax164 hnf100 lsp32 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 44ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 8 LassoNonterminationAnalysisSatUnbounded: 3 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.9s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-28 05:18:13,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2024-11-28 05:18:13,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-11-28 05:18:14,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c0057-2f80-44a7-b469-7a3cdc426ebd/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 Result: TRUE