./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig3.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_cd8f2fbc-ba87-4d7d-9ef9-3070c6870981/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd8f2fbc-ba87-4d7d-9ef9-3070c6870981/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd8f2fbc-ba87-4d7d-9ef9-3070c6870981/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd8f2fbc-ba87-4d7d-9ef9-3070c6870981/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd8f2fbc-ba87-4d7d-9ef9-3070c6870981/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd8f2fbc-ba87-4d7d-9ef9-3070c6870981/bin/uautomizer-verify-84ZbGMXZE1 --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 c64ddc091da8ed0532dcccc83eb64a4ecc9abe88fb93c047052ca7ac9ea29989 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 10:40:36,347 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 10:40:36,417 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd8f2fbc-ba87-4d7d-9ef9-3070c6870981/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-12-02 10:40:36,422 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 10:40:36,423 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 10:40:36,448 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 10:40:36,449 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 10:40:36,449 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 10:40:36,450 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 10:40:36,450 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 10:40:36,450 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 10:40:36,450 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 10:40:36,450 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 10:40:36,450 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-12-02 10:40:36,451 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-12-02 10:40:36,451 INFO L153 SettingsManager]: * Use old map elimination=false [2024-12-02 10:40:36,451 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-12-02 10:40:36,451 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-12-02 10:40:36,451 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-12-02 10:40:36,451 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 10:40:36,451 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-12-02 10:40:36,451 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 10:40:36,452 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 10:40:36,452 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-12-02 10:40:36,452 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-12-02 10:40:36,452 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-12-02 10:40:36,452 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 10:40:36,452 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 10:40:36,452 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-12-02 10:40:36,452 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 10:40:36,452 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 10:40:36,452 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 10:40:36,453 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:40:36,453 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 10:40:36,453 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-12-02 10:40:36,453 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-12-02 10:40:36,453 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_cd8f2fbc-ba87-4d7d-9ef9-3070c6870981/bin/uautomizer-verify-84ZbGMXZE1 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 -> c64ddc091da8ed0532dcccc83eb64a4ecc9abe88fb93c047052ca7ac9ea29989 [2024-12-02 10:40:36,756 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 10:40:36,766 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 10:40:36,769 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 10:40:36,770 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 10:40:36,770 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 10:40:36,772 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd8f2fbc-ba87-4d7d-9ef9-3070c6870981/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig3.c [2024-12-02 10:40:39,665 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd8f2fbc-ba87-4d7d-9ef9-3070c6870981/bin/uautomizer-verify-84ZbGMXZE1/data/4953e20a6/004883b6ad534e849568c5565c37fab2/FLAGd0a7c08b4 [2024-12-02 10:40:39,889 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 10:40:39,890 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd8f2fbc-ba87-4d7d-9ef9-3070c6870981/sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig3.c [2024-12-02 10:40:39,897 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd8f2fbc-ba87-4d7d-9ef9-3070c6870981/bin/uautomizer-verify-84ZbGMXZE1/data/4953e20a6/004883b6ad534e849568c5565c37fab2/FLAGd0a7c08b4 [2024-12-02 10:40:40,247 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd8f2fbc-ba87-4d7d-9ef9-3070c6870981/bin/uautomizer-verify-84ZbGMXZE1/data/4953e20a6/004883b6ad534e849568c5565c37fab2 [2024-12-02 10:40:40,249 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 10:40:40,251 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 10:40:40,252 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 10:40:40,252 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 10:40:40,257 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 10:40:40,257 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:40:40" (1/1) ... [2024-12-02 10:40:40,258 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@612c221f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:40, skipping insertion in model container [2024-12-02 10:40:40,258 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:40:40" (1/1) ... [2024-12-02 10:40:40,269 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 10:40:40,381 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:40:40,385 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 10:40:40,393 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:40:40,405 INFO L204 MainTranslator]: Completed translation [2024-12-02 10:40:40,406 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:40 WrapperNode [2024-12-02 10:40:40,406 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 10:40:40,407 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 10:40:40,407 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 10:40:40,407 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 10:40:40,413 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:40" (1/1) ... [2024-12-02 10:40:40,416 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:40" (1/1) ... [2024-12-02 10:40:40,428 INFO L138 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 23 [2024-12-02 10:40:40,429 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 10:40:40,429 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 10:40:40,429 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 10:40:40,429 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 10:40:40,437 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:40" (1/1) ... [2024-12-02 10:40:40,437 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:40" (1/1) ... [2024-12-02 10:40:40,437 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:40" (1/1) ... [2024-12-02 10:40:40,442 INFO L175 MemorySlicer]: No memory access in input program. [2024-12-02 10:40:40,442 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:40" (1/1) ... [2024-12-02 10:40:40,442 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:40" (1/1) ... [2024-12-02 10:40:40,443 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:40" (1/1) ... [2024-12-02 10:40:40,444 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:40" (1/1) ... [2024-12-02 10:40:40,449 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:40" (1/1) ... [2024-12-02 10:40:40,450 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:40" (1/1) ... [2024-12-02 10:40:40,450 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:40" (1/1) ... [2024-12-02 10:40:40,451 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 10:40:40,452 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 10:40:40,452 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 10:40:40,452 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 10:40:40,453 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:40" (1/1) ... [2024-12-02 10:40:40,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:40:40,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd8f2fbc-ba87-4d7d-9ef9-3070c6870981/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:40:40,489 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd8f2fbc-ba87-4d7d-9ef9-3070c6870981/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:40:40,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd8f2fbc-ba87-4d7d-9ef9-3070c6870981/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-12-02 10:40:40,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 10:40:40,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 10:40:40,574 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 10:40:40,576 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 10:40:40,651 INFO L? ?]: Removed 2 outVars from TransFormulas that were not future-live. [2024-12-02 10:40:40,651 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 10:40:40,660 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 10:40:40,661 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-02 10:40:40,661 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:40:40 BoogieIcfgContainer [2024-12-02 10:40:40,661 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 10:40:40,662 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-12-02 10:40:40,662 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-12-02 10:40:40,667 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-12-02 10:40:40,668 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-02 10:40:40,668 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.12 10:40:40" (1/3) ... [2024-12-02 10:40:40,669 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4f104d19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 10:40:40, skipping insertion in model container [2024-12-02 10:40:40,669 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-02 10:40:40,669 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:40" (2/3) ... [2024-12-02 10:40:40,670 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4f104d19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 10:40:40, skipping insertion in model container [2024-12-02 10:40:40,670 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-02 10:40:40,670 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:40:40" (3/3) ... [2024-12-02 10:40:40,671 INFO L363 chiAutomizerObserver]: Analyzing ICFG HarrisLalNoriRajamani-SAS2010-Fig3.c [2024-12-02 10:40:40,730 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-12-02 10:40:40,730 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-12-02 10:40:40,730 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-12-02 10:40:40,730 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-12-02 10:40:40,730 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-12-02 10:40:40,731 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-12-02 10:40:40,731 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-12-02 10:40:40,731 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-12-02 10:40:40,736 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 10:40:40,749 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-12-02 10:40:40,750 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 10:40:40,750 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 10:40:40,755 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-12-02 10:40:40,755 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-12-02 10:40:40,755 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-12-02 10:40:40,755 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 10:40:40,756 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-12-02 10:40:40,757 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 10:40:40,757 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 10:40:40,757 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-12-02 10:40:40,757 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-12-02 10:40:40,765 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;~x~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1;havoc main_#t~nondet1#1;~x~0 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" [2024-12-02 10:40:40,765 INFO L749 eck$LassoCheckResult]: Loop: "assume ~x~0 > 0;" "havoc main_#t~nondet2#1;" "assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;assume { :begin_inline_foo } true;havoc foo_#t~post0#1;foo_#t~post0#1 := ~x~0;~x~0 := foo_#t~post0#1 - 1;havoc foo_#t~post0#1;" "havoc foo_#t~post0#1;assume { :end_inline_foo } true;" [2024-12-02 10:40:40,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:40:40,772 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-12-02 10:40:40,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 10:40:40,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242700344] [2024-12-02 10:40:40,782 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:40:40,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:40:40,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:40:40,868 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 10:40:40,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:40:40,887 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 10:40:40,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:40:40,891 INFO L85 PathProgramCache]: Analyzing trace with hash 1173991, now seen corresponding path program 1 times [2024-12-02 10:40:40,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 10:40:40,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378393932] [2024-12-02 10:40:40,891 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:40:40,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:40:40,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:40:40,901 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 10:40:40,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:40:40,906 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 10:40:40,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:40:40,908 INFO L85 PathProgramCache]: Analyzing trace with hash 889601193, now seen corresponding path program 1 times [2024-12-02 10:40:40,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 10:40:40,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110607806] [2024-12-02 10:40:40,908 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:40:40,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:40:40,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:40:40,914 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 10:40:40,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:40:40,921 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 10:40:40,998 INFO L204 LassoAnalysis]: Preferences: [2024-12-02 10:40:40,999 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-12-02 10:40:40,999 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-12-02 10:40:40,999 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-12-02 10:40:40,999 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-12-02 10:40:40,999 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:40:40,999 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-12-02 10:40:40,999 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-12-02 10:40:41,000 INFO L132 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig3.c_Iteration1_Loop [2024-12-02 10:40:41,000 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-12-02 10:40:41,000 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-12-02 10:40:41,012 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:40:41,034 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:40:41,038 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:40:41,095 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-12-02 10:40:41,095 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-12-02 10:40:41,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:40:41,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd8f2fbc-ba87-4d7d-9ef9-3070c6870981/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:40:41,099 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd8f2fbc-ba87-4d7d-9ef9-3070c6870981/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:40:41,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd8f2fbc-ba87-4d7d-9ef9-3070c6870981/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-12-02 10:40:41,102 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-12-02 10:40:41,102 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-12-02 10:40:41,130 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd8f2fbc-ba87-4d7d-9ef9-3070c6870981/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-12-02 10:40:41,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:40:41,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd8f2fbc-ba87-4d7d-9ef9-3070c6870981/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:40:41,133 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd8f2fbc-ba87-4d7d-9ef9-3070c6870981/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:40:41,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd8f2fbc-ba87-4d7d-9ef9-3070c6870981/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-12-02 10:40:41,135 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-12-02 10:40:41,135 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-12-02 10:40:41,170 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-12-02 10:40:41,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd8f2fbc-ba87-4d7d-9ef9-3070c6870981/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-12-02 10:40:41,173 INFO L204 LassoAnalysis]: Preferences: [2024-12-02 10:40:41,173 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-12-02 10:40:41,173 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-12-02 10:40:41,173 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-12-02 10:40:41,173 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-12-02 10:40:41,173 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:40:41,173 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-12-02 10:40:41,173 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-12-02 10:40:41,173 INFO L132 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig3.c_Iteration1_Loop [2024-12-02 10:40:41,174 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-12-02 10:40:41,174 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-12-02 10:40:41,175 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:40:41,184 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:40:41,189 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:40:41,224 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-12-02 10:40:41,229 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-12-02 10:40:41,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:40:41,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd8f2fbc-ba87-4d7d-9ef9-3070c6870981/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:40:41,232 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd8f2fbc-ba87-4d7d-9ef9-3070c6870981/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:40:41,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd8f2fbc-ba87-4d7d-9ef9-3070c6870981/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-12-02 10:40:41,236 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 [2024-12-02 10:40:41,254 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 10:40:41,254 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 10:40:41,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 10:40:41,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 10:40:41,255 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 10:40:41,260 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 10:40:41,261 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 10:40:41,264 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-12-02 10:40:41,269 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-12-02 10:40:41,272 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-12-02 10:40:41,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:40:41,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd8f2fbc-ba87-4d7d-9ef9-3070c6870981/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:40:41,276 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd8f2fbc-ba87-4d7d-9ef9-3070c6870981/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:40:41,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd8f2fbc-ba87-4d7d-9ef9-3070c6870981/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-12-02 10:40:41,278 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-12-02 10:40:41,278 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-12-02 10:40:41,279 INFO L474 LassoAnalysis]: Proved termination. [2024-12-02 10:40:41,280 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(~x~0) = 1*~x~0 Supporting invariants [] [2024-12-02 10:40:41,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd8f2fbc-ba87-4d7d-9ef9-3070c6870981/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-12-02 10:40:41,289 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-12-02 10:40:41,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:40:41,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:40:41,324 INFO L256 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 10:40:41,325 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:40:41,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:40:41,342 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 10:40:41,343 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:40:41,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:40:41,447 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-12-02 10:40:41,448 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 10:40:41,500 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 25 states and 31 transitions. Complement of second has 7 states. [2024-12-02 10:40:41,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-12-02 10:40:41,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 10:40:41,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 19 transitions. [2024-12-02 10:40:41,513 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 2 letters. Loop has 4 letters. [2024-12-02 10:40:41,514 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 10:40:41,515 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 6 letters. Loop has 4 letters. [2024-12-02 10:40:41,515 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 10:40:41,515 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 2 letters. Loop has 8 letters. [2024-12-02 10:40:41,515 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 10:40:41,516 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 31 transitions. [2024-12-02 10:40:41,518 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-12-02 10:40:41,520 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 0 states and 0 transitions. [2024-12-02 10:40:41,521 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-12-02 10:40:41,521 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-12-02 10:40:41,521 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-12-02 10:40:41,521 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-12-02 10:40:41,522 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 10:40:41,522 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 10:40:41,522 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 10:40:41,522 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-12-02 10:40:41,522 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-12-02 10:40:41,522 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-12-02 10:40:41,522 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-12-02 10:40:41,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.12 10:40:41 BoogieIcfgContainer [2024-12-02 10:40:41,531 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-12-02 10:40:41,531 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 10:40:41,532 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 10:40:41,532 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 10:40:41,532 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:40:40" (3/4) ... [2024-12-02 10:40:41,534 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 10:40:41,535 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 10:40:41,536 INFO L158 Benchmark]: Toolchain (without parser) took 1285.39ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 63.2MB in the end (delta: 54.2MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-12-02 10:40:41,537 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 142.6MB. Free memory was 81.8MB in the beginning and 81.7MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:40:41,537 INFO L158 Benchmark]: CACSL2BoogieTranslator took 153.98ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 107.3MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 10:40:41,537 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.14ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 106.4MB in the end (delta: 895.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:40:41,538 INFO L158 Benchmark]: Boogie Preprocessor took 21.86ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 105.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:40:41,538 INFO L158 Benchmark]: RCFGBuilder took 209.29ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 97.1MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 10:40:41,538 INFO L158 Benchmark]: BuchiAutomizer took 868.85ms. Allocated memory is still 142.6MB. Free memory was 96.8MB in the beginning and 63.2MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-02 10:40:41,539 INFO L158 Benchmark]: Witness Printer took 3.76ms. Allocated memory is still 142.6MB. Free memory is still 63.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:40:41,541 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 142.6MB. Free memory was 81.8MB in the beginning and 81.7MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 153.98ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 107.3MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.14ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 106.4MB in the end (delta: 895.7kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.86ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 105.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 209.29ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 97.1MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 868.85ms. Allocated memory is still 142.6MB. Free memory was 96.8MB in the beginning and 63.2MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 3.76ms. Allocated memory is still 142.6MB. Free memory is still 63.2MB. 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 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function x and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 8 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital10 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 49ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-12-02 10:40:41,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd8f2fbc-ba87-4d7d-9ef9-3070c6870981/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-12-02 10:40:41,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd8f2fbc-ba87-4d7d-9ef9-3070c6870981/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE