./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/PastaA1.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_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/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_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/PastaA1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/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_77eb44e6-12c0-4f0a-8747-565c8cce59d0/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 ab6c18b18e668cddc67355c8fe64fffbf634b674076a13c061b751962efeb393 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:47:16,562 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:47:16,660 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-28 02:47:16,664 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:47:16,665 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:47:16,687 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:47:16,688 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:47:16,688 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:47:16,688 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:47:16,689 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:47:16,689 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:47:16,689 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:47:16,689 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:47:16,689 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-28 02:47:16,689 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-28 02:47:16,690 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-28 02:47:16,690 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-28 02:47:16,690 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-28 02:47:16,690 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-28 02:47:16,690 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:47:16,690 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-28 02:47:16,690 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:47:16,690 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:47:16,691 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-28 02:47:16,691 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-28 02:47:16,691 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-28 02:47:16,691 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 02:47:16,691 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:47:16,691 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-28 02:47:16,691 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:47:16,691 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:47:16,692 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:47:16,692 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:47:16,692 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:47:16,692 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-28 02:47:16,692 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-28 02:47:16,696 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_77eb44e6-12c0-4f0a-8747-565c8cce59d0/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 -> ab6c18b18e668cddc67355c8fe64fffbf634b674076a13c061b751962efeb393 [2024-11-28 02:47:17,029 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:47:17,040 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:47:17,043 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:47:17,045 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:47:17,045 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:47:17,047 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/termination-restricted-15/PastaA1.c [2024-11-28 02:47:20,463 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/data/72d6e2513/c7360682ba6a47369836f82ebcadd950/FLAGe3e50e6fb [2024-11-28 02:47:20,764 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:47:20,765 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/sv-benchmarks/c/termination-restricted-15/PastaA1.c [2024-11-28 02:47:20,775 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/data/72d6e2513/c7360682ba6a47369836f82ebcadd950/FLAGe3e50e6fb [2024-11-28 02:47:21,041 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/data/72d6e2513/c7360682ba6a47369836f82ebcadd950 [2024-11-28 02:47:21,047 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:47:21,048 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:47:21,050 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:47:21,052 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:47:21,057 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:47:21,058 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:47:21" (1/1) ... [2024-11-28 02:47:21,059 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bcf48d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:21, skipping insertion in model container [2024-11-28 02:47:21,059 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:47:21" (1/1) ... [2024-11-28 02:47:21,078 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:47:21,247 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:47:21,253 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:47:21,267 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:47:21,284 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:47:21,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:21 WrapperNode [2024-11-28 02:47:21,285 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:47:21,286 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:47:21,286 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:47:21,287 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:47:21,296 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:21" (1/1) ... [2024-11-28 02:47:21,301 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:21" (1/1) ... [2024-11-28 02:47:21,318 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 18 [2024-11-28 02:47:21,318 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:47:21,319 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:47:21,319 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:47:21,319 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:47:21,328 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:21" (1/1) ... [2024-11-28 02:47:21,329 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:21" (1/1) ... [2024-11-28 02:47:21,329 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:21" (1/1) ... [2024-11-28 02:47:21,336 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-28 02:47:21,336 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:21" (1/1) ... [2024-11-28 02:47:21,337 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:21" (1/1) ... [2024-11-28 02:47:21,338 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:21" (1/1) ... [2024-11-28 02:47:21,339 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:21" (1/1) ... [2024-11-28 02:47:21,346 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:21" (1/1) ... [2024-11-28 02:47:21,347 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:21" (1/1) ... [2024-11-28 02:47:21,348 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:21" (1/1) ... [2024-11-28 02:47:21,349 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:47:21,350 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:47:21,350 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:47:21,350 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:47:21,354 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:21" (1/1) ... [2024-11-28 02:47:21,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:47:21,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:21,397 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:47:21,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-28 02:47:21,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:47:21,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:47:21,504 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:47:21,506 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:47:21,578 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-11-28 02:47:21,578 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:47:21,587 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:47:21,588 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 02:47:21,588 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:47:21 BoogieIcfgContainer [2024-11-28 02:47:21,588 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:47:21,590 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-28 02:47:21,590 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-28 02:47:21,598 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-28 02:47:21,600 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 02:47:21,600 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 02:47:21" (1/3) ... [2024-11-28 02:47:21,602 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2a2169c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 02:47:21, skipping insertion in model container [2024-11-28 02:47:21,602 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 02:47:21,603 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:21" (2/3) ... [2024-11-28 02:47:21,604 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2a2169c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 02:47:21, skipping insertion in model container [2024-11-28 02:47:21,605 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 02:47:21,605 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:47:21" (3/3) ... [2024-11-28 02:47:21,607 INFO L363 chiAutomizerObserver]: Analyzing ICFG PastaA1.c [2024-11-28 02:47:21,678 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-28 02:47:21,679 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-28 02:47:21,679 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-28 02:47:21,679 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-28 02:47:21,679 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-28 02:47:21,680 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-28 02:47:21,680 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-28 02:47:21,680 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-28 02:47:21,686 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:21,705 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-28 02:47:21,706 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 02:47:21,706 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 02:47:21,712 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-28 02:47:21,713 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-28 02:47:21,713 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-28 02:47:21,714 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:21,715 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-28 02:47:21,715 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 02:47:21,715 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 02:47:21,716 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-28 02:47:21,716 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-28 02:47:21,725 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;" [2024-11-28 02:47:21,725 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~x~0#1 > 0;" "main_~y~0#1 := 0;" "assume !(main_~y~0#1 < main_~x~0#1);" "main_~x~0#1 := main_~x~0#1 - 1;" [2024-11-28 02:47:21,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:21,734 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-28 02:47:21,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:47:21,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673416054] [2024-11-28 02:47:21,746 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:21,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:21,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:47:21,832 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:47:21,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:47:21,851 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:47:21,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:21,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1174027, now seen corresponding path program 1 times [2024-11-28 02:47:21,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:47:21,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64860207] [2024-11-28 02:47:21,856 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:21,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:21,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:21,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 02:47:21,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64860207] [2024-11-28 02:47:21,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64860207] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:47:21,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [274701263] [2024-11-28 02:47:21,998 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:21,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:47:21,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:22,003 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:47:22,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 02:47:22,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:22,043 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 02:47:22,044 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:47:22,111 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:47:22,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [274701263] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:47:22,154 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:47:22,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 4 [2024-11-28 02:47:22,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906986233] [2024-11-28 02:47:22,156 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:47:22,161 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-28 02:47:22,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 02:47:22,199 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:47:22,200 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:47:22,202 INFO L87 Difference]: Start difference. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 1.2) 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 02:47:22,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:47:22,294 INFO L93 Difference]: Finished difference Result 13 states and 14 transitions. [2024-11-28 02:47:22,296 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 14 transitions. [2024-11-28 02:47:22,297 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2024-11-28 02:47:22,303 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 9 states and 10 transitions. [2024-11-28 02:47:22,304 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2024-11-28 02:47:22,305 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2024-11-28 02:47:22,305 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 10 transitions. [2024-11-28 02:47:22,306 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 02:47:22,306 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 10 transitions. [2024-11-28 02:47:22,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 10 transitions. [2024-11-28 02:47:22,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2024-11-28 02:47:22,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.125) internal successors, (9), 7 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 02:47:22,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9 transitions. [2024-11-28 02:47:22,337 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8 states and 9 transitions. [2024-11-28 02:47:22,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:47:22,343 INFO L425 stractBuchiCegarLoop]: Abstraction has 8 states and 9 transitions. [2024-11-28 02:47:22,344 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-28 02:47:22,344 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 9 transitions. [2024-11-28 02:47:22,344 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-28 02:47:22,344 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 02:47:22,344 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 02:47:22,345 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-28 02:47:22,345 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-28 02:47:22,345 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_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;" [2024-11-28 02:47:22,345 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~x~0#1 > 0;" "main_~y~0#1 := 0;" "assume main_~y~0#1 < main_~x~0#1;" "main_~y~0#1 := 1 + main_~y~0#1;" "assume !(main_~y~0#1 < main_~x~0#1);" "main_~x~0#1 := main_~x~0#1 - 1;" [2024-11-28 02:47:22,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:22,346 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2024-11-28 02:47:22,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:47:22,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612072317] [2024-11-28 02:47:22,346 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:22,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:22,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:47:22,350 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:47:22,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:47:22,353 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:47:22,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:22,354 INFO L85 PathProgramCache]: Analyzing trace with hash 1128177167, now seen corresponding path program 1 times [2024-11-28 02:47:22,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:47:22,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706775666] [2024-11-28 02:47:22,355 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:22,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:22,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:47:22,365 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:47:22,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:47:22,372 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:47:22,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:22,373 INFO L85 PathProgramCache]: Analyzing trace with hash 208226385, now seen corresponding path program 1 times [2024-11-28 02:47:22,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:47:22,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657649776] [2024-11-28 02:47:22,373 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:22,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:22,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:47:22,382 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:47:22,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:47:22,389 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:47:22,491 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 02:47:22,492 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 02:47:22,492 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 02:47:22,493 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 02:47:22,493 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 02:47:22,494 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:47:22,494 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 02:47:22,494 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 02:47:22,497 INFO L132 ssoRankerPreferences]: Filename of dumped script: PastaA1.c_Iteration2_Loop [2024-11-28 02:47:22,497 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 02:47:22,498 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 02:47:22,518 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:22,533 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:22,544 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:22,561 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:22,668 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 02:47:22,669 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 02:47:22,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:47:22,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:22,678 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:47:22,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-28 02:47:22,680 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:47:22,681 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:47:22,720 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 02:47:22,721 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 02:47:22,733 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-11-28 02:47:22,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:47:22,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:22,737 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:47:22,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-28 02:47:22,742 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:47:22,742 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:47:22,770 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 02:47:22,770 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 02:47:22,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-11-28 02:47:22,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:47:22,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:22,780 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:47:22,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-28 02:47:22,784 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:47:22,784 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:47:22,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-28 02:47:22,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:47:22,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:22,816 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:47:22,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-28 02:47:22,819 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 02:47:22,819 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:47:22,845 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 02:47:22,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-11-28 02:47:22,857 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 02:47:22,857 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 02:47:22,857 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 02:47:22,857 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 02:47:22,857 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 02:47:22,857 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:47:22,857 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 02:47:22,858 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 02:47:22,858 INFO L132 ssoRankerPreferences]: Filename of dumped script: PastaA1.c_Iteration2_Loop [2024-11-28 02:47:22,858 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 02:47:22,858 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 02:47:22,860 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:22,882 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:22,890 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:22,900 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:22,968 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 02:47:22,974 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 02:47:22,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:47:22,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:22,978 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:47:22,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-28 02:47:22,983 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 02:47:23,003 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:47:23,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:47:23,004 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:47:23,005 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:47:23,018 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:47:23,019 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:47:23,032 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:47:23,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-28 02:47:23,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:47:23,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:23,056 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:47:23,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-28 02:47:23,060 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 02:47:23,075 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:47:23,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:47:23,076 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:47:23,076 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:47:23,082 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:47:23,082 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:47:23,095 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:47:23,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-28 02:47:23,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:47:23,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:23,112 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:47:23,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-28 02:47:23,119 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 02:47:23,137 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:47:23,137 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:47:23,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:47:23,138 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:47:23,138 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:47:23,140 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:47:23,141 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:47:23,147 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 02:47:23,154 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-28 02:47:23,157 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-28 02:47:23,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:47:23,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:23,162 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:47:23,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-28 02:47:23,167 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 02:47:23,168 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 02:47:23,168 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 02:47:23,168 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 02:47:23,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-11-28 02:47:23,182 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-28 02:47:23,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:23,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:23,230 WARN L254 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 02:47:23,230 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:47:23,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:23,252 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 02:47:23,253 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:47:23,352 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 02:47:23,358 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 02:47:23,360 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 9 transitions. cyclomatic complexity: 2 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:23,428 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 9 transitions. cyclomatic complexity: 2. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 14 states and 17 transitions. Complement of second has 4 states. [2024-11-28 02:47:23,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-28 02:47:23,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:23,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2024-11-28 02:47:23,440 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 2 letters. Loop has 6 letters. [2024-11-28 02:47:23,442 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:47:23,442 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 8 letters. Loop has 6 letters. [2024-11-28 02:47:23,443 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:47:23,443 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 2 letters. Loop has 12 letters. [2024-11-28 02:47:23,443 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:47:23,444 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 17 transitions. [2024-11-28 02:47:23,445 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-28 02:47:23,446 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 13 states and 16 transitions. [2024-11-28 02:47:23,447 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2024-11-28 02:47:23,447 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2024-11-28 02:47:23,448 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 16 transitions. [2024-11-28 02:47:23,450 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 02:47:23,450 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 16 transitions. [2024-11-28 02:47:23,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 16 transitions. [2024-11-28 02:47:23,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2024-11-28 02:47:23,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.25) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:23,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2024-11-28 02:47:23,452 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12 states and 15 transitions. [2024-11-28 02:47:23,453 INFO L425 stractBuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2024-11-28 02:47:23,453 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-28 02:47:23,453 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 15 transitions. [2024-11-28 02:47:23,453 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-28 02:47:23,453 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 02:47:23,453 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 02:47:23,454 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-28 02:47:23,454 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-28 02:47:23,454 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_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;" "assume main_~x~0#1 > 0;" "main_~y~0#1 := 0;" [2024-11-28 02:47:23,454 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~y~0#1 < main_~x~0#1;" "main_~y~0#1 := 1 + main_~y~0#1;" [2024-11-28 02:47:23,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:23,455 INFO L85 PathProgramCache]: Analyzing trace with hash 925703, now seen corresponding path program 1 times [2024-11-28 02:47:23,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:47:23,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783892925] [2024-11-28 02:47:23,457 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:23,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:23,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:47:23,466 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:47:23,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:47:23,472 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:47:23,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:23,474 INFO L85 PathProgramCache]: Analyzing trace with hash 1541, now seen corresponding path program 1 times [2024-11-28 02:47:23,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:47:23,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141130488] [2024-11-28 02:47:23,474 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:23,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:23,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:47:23,484 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:47:23,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:47:23,493 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:47:23,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:23,493 INFO L85 PathProgramCache]: Analyzing trace with hash 889601163, now seen corresponding path program 1 times [2024-11-28 02:47:23,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:47:23,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786843621] [2024-11-28 02:47:23,494 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:23,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:23,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:47:23,509 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:47:23,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:47:23,514 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:47:23,555 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 02:47:23,555 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 02:47:23,555 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 02:47:23,555 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 02:47:23,555 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 02:47:23,555 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:47:23,555 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 02:47:23,555 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 02:47:23,555 INFO L132 ssoRankerPreferences]: Filename of dumped script: PastaA1.c_Iteration3_Loop [2024-11-28 02:47:23,555 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 02:47:23,555 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 02:47:23,557 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:23,564 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:23,574 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:23,645 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 02:47:23,645 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 02:47:23,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:47:23,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:23,648 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:47:23,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-28 02:47:23,653 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:47:23,653 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:47:23,684 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 02:47:23,684 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 02:47:23,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-11-28 02:47:23,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:47:23,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:23,699 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:47:23,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-28 02:47:23,704 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:47:23,704 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:47:23,735 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 02:47:23,735 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 02:47:23,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-11-28 02:47:23,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:47:23,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:23,750 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:47:23,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-28 02:47:23,756 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:47:23,756 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:47:23,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-11-28 02:47:23,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:47:23,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:23,782 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:47:23,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-28 02:47:23,785 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 02:47:23,785 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:47:23,901 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 02:47:23,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-11-28 02:47:23,905 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 02:47:23,905 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 02:47:23,905 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 02:47:23,905 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 02:47:23,905 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 02:47:23,905 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:47:23,905 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 02:47:23,905 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 02:47:23,905 INFO L132 ssoRankerPreferences]: Filename of dumped script: PastaA1.c_Iteration3_Loop [2024-11-28 02:47:23,906 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 02:47:23,906 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 02:47:23,907 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:23,917 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:23,922 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:24,000 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 02:47:24,000 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 02:47:24,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:47:24,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:24,006 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:47:24,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-28 02:47:24,009 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 02:47:24,028 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:47:24,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:47:24,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:47:24,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:47:24,035 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:47:24,037 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:47:24,044 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:47:24,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-11-28 02:47:24,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:47:24,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:24,061 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:47:24,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-28 02:47:24,069 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 02:47:24,087 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:47:24,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:47:24,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:47:24,088 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:47:24,091 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:47:24,092 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:47:24,098 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:47:24,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-11-28 02:47:24,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:47:24,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:24,113 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:47:24,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-28 02:47:24,118 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 02:47:24,137 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:47:24,137 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:47:24,137 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:47:24,137 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:47:24,137 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:47:24,139 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:47:24,139 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:47:24,143 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 02:47:24,149 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-11-28 02:47:24,149 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-28 02:47:24,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:47:24,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:24,153 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:47:24,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-28 02:47:24,161 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 02:47:24,161 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 02:47:24,161 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 02:47:24,161 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1, ULTIMATE.start_main_~x~0#1) = -1*ULTIMATE.start_main_~y~0#1 + 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2024-11-28 02:47:24,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-11-28 02:47:24,175 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-28 02:47:24,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:24,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:24,211 INFO L256 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 02:47:24,211 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:47:24,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:24,224 WARN L254 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 02:47:24,224 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:47:24,258 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 02:47:24,258 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 02:47:24,259 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:24,290 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 22 states and 28 transitions. Complement of second has 5 states. [2024-11-28 02:47:24,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-28 02:47:24,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:24,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2024-11-28 02:47:24,293 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 4 letters. Loop has 2 letters. [2024-11-28 02:47:24,293 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:47:24,293 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 6 letters. Loop has 2 letters. [2024-11-28 02:47:24,294 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:47:24,294 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 4 letters. Loop has 4 letters. [2024-11-28 02:47:24,294 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:47:24,294 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 28 transitions. [2024-11-28 02:47:24,295 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-28 02:47:24,297 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 16 states and 19 transitions. [2024-11-28 02:47:24,297 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2024-11-28 02:47:24,297 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2024-11-28 02:47:24,297 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 19 transitions. [2024-11-28 02:47:24,298 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 02:47:24,298 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 19 transitions. [2024-11-28 02:47:24,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 19 transitions. [2024-11-28 02:47:24,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 12. [2024-11-28 02:47:24,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 11 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:24,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 14 transitions. [2024-11-28 02:47:24,300 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12 states and 14 transitions. [2024-11-28 02:47:24,300 INFO L425 stractBuchiCegarLoop]: Abstraction has 12 states and 14 transitions. [2024-11-28 02:47:24,300 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-28 02:47:24,301 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 14 transitions. [2024-11-28 02:47:24,301 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-28 02:47:24,302 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 02:47:24,302 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 02:47:24,302 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:24,303 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-28 02:47:24,303 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_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;" "assume main_~x~0#1 > 0;" "main_~y~0#1 := 0;" "assume main_~y~0#1 < main_~x~0#1;" "main_~y~0#1 := 1 + main_~y~0#1;" "assume !(main_~y~0#1 < main_~x~0#1);" "main_~x~0#1 := main_~x~0#1 - 1;" "assume main_~x~0#1 > 0;" "main_~y~0#1 := 0;" [2024-11-28 02:47:24,303 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~y~0#1 < main_~x~0#1;" "main_~y~0#1 := 1 + main_~y~0#1;" [2024-11-28 02:47:24,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:24,303 INFO L85 PathProgramCache]: Analyzing trace with hash -1757906667, now seen corresponding path program 2 times [2024-11-28 02:47:24,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:47:24,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371120044] [2024-11-28 02:47:24,304 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:24,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:24,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:24,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 02:47:24,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371120044] [2024-11-28 02:47:24,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371120044] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:47:24,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1620803636] [2024-11-28 02:47:24,418 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:24,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:47:24,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:24,421 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:47:24,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-28 02:47:24,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:24,465 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 02:47:24,466 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:47:24,493 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:47:24,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1620803636] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:47:24,543 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:47:24,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 6 [2024-11-28 02:47:24,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243211028] [2024-11-28 02:47:24,543 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:47:24,543 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-28 02:47:24,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:24,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1541, now seen corresponding path program 2 times [2024-11-28 02:47:24,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:47:24,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745957623] [2024-11-28 02:47:24,544 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:24,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:24,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:47:24,557 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:47:24,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:47:24,563 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:47:24,598 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 02:47:24,598 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 02:47:24,598 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 02:47:24,598 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 02:47:24,598 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 02:47:24,598 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:47:24,598 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 02:47:24,598 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 02:47:24,598 INFO L132 ssoRankerPreferences]: Filename of dumped script: PastaA1.c_Iteration4_Loop [2024-11-28 02:47:24,599 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 02:47:24,599 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 02:47:24,600 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:24,610 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:24,615 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:24,670 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 02:47:24,671 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 02:47:24,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:47:24,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:24,675 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:47:24,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-28 02:47:24,679 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:47:24,680 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:47:24,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2024-11-28 02:47:24,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:47:24,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:24,721 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:47:24,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-28 02:47:24,726 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 02:47:24,726 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:47:24,860 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 02:47:24,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2024-11-28 02:47:24,865 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 02:47:24,865 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 02:47:24,865 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 02:47:24,865 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 02:47:24,865 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 02:47:24,865 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:47:24,865 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 02:47:24,865 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 02:47:24,865 INFO L132 ssoRankerPreferences]: Filename of dumped script: PastaA1.c_Iteration4_Loop [2024-11-28 02:47:24,865 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 02:47:24,865 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 02:47:24,867 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:24,882 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:24,887 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:24,939 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 02:47:24,939 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 02:47:24,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:47:24,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:24,942 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:47:24,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-28 02:47:24,947 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:47:24,966 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:47:24,966 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:47:24,966 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:47:24,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:47:24,967 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:47:24,970 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:47:24,970 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:47:24,974 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 02:47:24,983 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-11-28 02:47:24,983 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-28 02:47:24,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:47:24,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:24,988 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:47:24,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-11-28 02:47:24,991 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 02:47:24,991 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 02:47:24,991 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 02:47:24,992 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~x~0#1 - 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2024-11-28 02:47:25,003 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-11-28 02:47:25,004 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-28 02:47:25,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:25,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:25,045 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 02:47:25,046 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:47:25,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:25,088 WARN L254 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 02:47:25,089 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:47:25,124 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 02:47:25,124 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 02:47:25,125 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 14 transitions. cyclomatic complexity: 4 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:25,159 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 14 transitions. cyclomatic complexity: 4. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 17 states and 21 transitions. Complement of second has 5 states. [2024-11-28 02:47:25,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-28 02:47:25,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:25,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2024-11-28 02:47:25,167 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 10 letters. Loop has 2 letters. [2024-11-28 02:47:25,167 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:47:25,167 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-28 02:47:25,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:25,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:25,205 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 02:47:25,206 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:47:25,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:25,235 WARN L254 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 02:47:25,235 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:47:25,258 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 02:47:25,259 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-28 02:47:25,259 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 14 transitions. cyclomatic complexity: 4 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:25,318 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-11-28 02:47:25,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2024-11-28 02:47:25,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-11-28 02:47:25,352 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 14 transitions. cyclomatic complexity: 4. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 17 states and 21 transitions. Complement of second has 5 states. [2024-11-28 02:47:25,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-28 02:47:25,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:25,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2024-11-28 02:47:25,354 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 10 letters. Loop has 2 letters. [2024-11-28 02:47:25,354 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:47:25,354 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-28 02:47:25,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:25,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:25,389 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 02:47:25,389 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:47:25,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:25,417 WARN L254 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 02:47:25,418 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:47:25,441 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 02:47:25,442 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-28 02:47:25,442 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 14 transitions. cyclomatic complexity: 4 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:25,470 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 14 transitions. cyclomatic complexity: 4. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 15 states and 19 transitions. Complement of second has 4 states. [2024-11-28 02:47:25,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-28 02:47:25,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:25,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 11 transitions. [2024-11-28 02:47:25,471 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 10 letters. Loop has 2 letters. [2024-11-28 02:47:25,472 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:47:25,472 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 12 letters. Loop has 2 letters. [2024-11-28 02:47:25,472 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:47:25,472 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 10 letters. Loop has 4 letters. [2024-11-28 02:47:25,472 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:47:25,472 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2024-11-28 02:47:25,473 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-28 02:47:25,473 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2024-11-28 02:47:25,473 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-28 02:47:25,473 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-28 02:47:25,473 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-28 02:47:25,473 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 02:47:25,473 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 02:47:25,473 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 02:47:25,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 02:47:25,474 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:47:25,475 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:47:25,475 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:25,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:47:25,475 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2024-11-28 02:47:25,475 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2024-11-28 02:47:25,475 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-28 02:47:25,476 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 02:47:25,476 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-28 02:47:25,476 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-28 02:47:25,476 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-28 02:47:25,476 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 02:47:25,476 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 02:47:25,476 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 02:47:25,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:47:25,477 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 02:47:25,477 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-28 02:47:25,477 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-28 02:47:25,478 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-28 02:47:25,478 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-28 02:47:25,495 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 02:47:25 BoogieIcfgContainer [2024-11-28 02:47:25,495 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-28 02:47:25,496 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:47:25,496 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:47:25,496 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:47:25,497 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:47:21" (3/4) ... [2024-11-28 02:47:25,500 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 02:47:25,501 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:47:25,504 INFO L158 Benchmark]: Toolchain (without parser) took 4453.78ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 81.9MB in the end (delta: 11.1MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2024-11-28 02:47:25,504 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 117.4MB. Free memory was 74.8MB in the beginning and 74.6MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:47:25,504 INFO L158 Benchmark]: CACSL2BoogieTranslator took 235.29ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 82.8MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:47:25,505 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.14ms. Allocated memory is still 117.4MB. Free memory was 82.8MB in the beginning and 81.9MB in the end (delta: 903.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:47:25,505 INFO L158 Benchmark]: Boogie Preprocessor took 30.53ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 81.0MB in the end (delta: 861.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:47:25,506 INFO L158 Benchmark]: RCFGBuilder took 238.46ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 72.7MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:47:25,506 INFO L158 Benchmark]: BuchiAutomizer took 3905.88ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 81.9MB in the end (delta: -9.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:47:25,506 INFO L158 Benchmark]: Witness Printer took 5.11ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 81.9MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:47:25,512 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 117.4MB. Free memory was 74.8MB in the beginning and 74.6MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 235.29ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 82.8MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.14ms. Allocated memory is still 117.4MB. Free memory was 82.8MB in the beginning and 81.9MB in the end (delta: 903.8kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.53ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 81.0MB in the end (delta: 861.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 238.46ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 72.7MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 3905.88ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 81.9MB in the end (delta: -9.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.11ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 81.9MB in the end (delta: 21.1kB). 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 (2 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function x and consists of 3 locations. One deterministic module has affine ranking function (((long) -1 * y) + x) and consists of 3 locations. One nondeterministic module has affine ranking function (((long) -1 * y) + x) and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.8s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 2.7s. Construction of modules took 0.1s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 6 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 [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 1/1 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 34 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 29 mSDsluCounter, 43 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 55 IncrementalHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 32 mSDtfsCounter, 55 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital10 mio100 ax216 hnf100 lsp46 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq166 hnf92 smp100 dnf100 smp100 tf112 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 57ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s 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 02:47:25,538 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-11-28 02:47:25,733 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-28 02:47:25,935 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb44e6-12c0-4f0a-8747-565c8cce59d0/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