./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 a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51fefafd-30dd-417b-be92-a53f2eee7200/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51fefafd-30dd-417b-be92-a53f2eee7200/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51fefafd-30dd-417b-be92-a53f2eee7200/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51fefafd-30dd-417b-be92-a53f2eee7200/bin/uautomizer-verify-jihMAELWvX/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_51fefafd-30dd-417b-be92-a53f2eee7200/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51fefafd-30dd-417b-be92-a53f2eee7200/bin/uautomizer-verify-jihMAELWvX --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 0.2.5-dev-a016563 [2024-11-08 18:03:36,166 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:03:36,292 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51fefafd-30dd-417b-be92-a53f2eee7200/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-08 18:03:36,301 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:03:36,303 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:03:36,346 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:03:36,348 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:03:36,349 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:03:36,350 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:03:36,352 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:03:36,355 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:03:36,356 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:03:36,356 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:03:36,359 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-08 18:03:36,360 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-08 18:03:36,360 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-08 18:03:36,361 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-08 18:03:36,361 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-08 18:03:36,366 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-08 18:03:36,366 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:03:36,367 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-08 18:03:36,368 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 18:03:36,368 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:03:36,371 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-08 18:03:36,372 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-08 18:03:36,372 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-08 18:03:36,373 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:03:36,373 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 18:03:36,374 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:03:36,374 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-08 18:03:36,374 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:03:36,375 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:03:36,376 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:03:36,376 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:03:36,378 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 18:03:36,379 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-08 18:03:36,380 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51fefafd-30dd-417b-be92-a53f2eee7200/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51fefafd-30dd-417b-be92-a53f2eee7200/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c64ddc091da8ed0532dcccc83eb64a4ecc9abe88fb93c047052ca7ac9ea29989 [2024-11-08 18:03:36,759 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:03:36,800 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:03:36,804 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:03:36,806 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:03:36,807 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:03:36,809 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51fefafd-30dd-417b-be92-a53f2eee7200/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig3.c Unable to find full path for "g++" [2024-11-08 18:03:39,404 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:03:39,633 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:03:39,634 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51fefafd-30dd-417b-be92-a53f2eee7200/sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig3.c [2024-11-08 18:03:39,643 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51fefafd-30dd-417b-be92-a53f2eee7200/bin/uautomizer-verify-jihMAELWvX/data/b8b4e812f/402eb0c42adb43b38c59058576eac2f6/FLAGaec9bd100 [2024-11-08 18:03:40,003 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51fefafd-30dd-417b-be92-a53f2eee7200/bin/uautomizer-verify-jihMAELWvX/data/b8b4e812f/402eb0c42adb43b38c59058576eac2f6 [2024-11-08 18:03:40,006 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:03:40,008 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:03:40,010 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:03:40,011 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:03:40,021 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:03:40,022 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:03:40" (1/1) ... [2024-11-08 18:03:40,024 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f0d139f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:03:40, skipping insertion in model container [2024-11-08 18:03:40,024 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:03:40" (1/1) ... [2024-11-08 18:03:40,049 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:03:40,333 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:03:40,343 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:03:40,361 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:03:40,385 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:03:40,387 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:03:40 WrapperNode [2024-11-08 18:03:40,387 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:03:40,389 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:03:40,390 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:03:40,390 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:03:40,401 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:03:40" (1/1) ... [2024-11-08 18:03:40,407 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:03:40" (1/1) ... [2024-11-08 18:03:40,431 INFO L138 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 23 [2024-11-08 18:03:40,432 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:03:40,433 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:03:40,434 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:03:40,435 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:03:40,451 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:03:40" (1/1) ... [2024-11-08 18:03:40,451 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:03:40" (1/1) ... [2024-11-08 18:03:40,452 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:03:40" (1/1) ... [2024-11-08 18:03:40,462 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-08 18:03:40,463 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:03:40" (1/1) ... [2024-11-08 18:03:40,463 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:03:40" (1/1) ... [2024-11-08 18:03:40,465 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:03:40" (1/1) ... [2024-11-08 18:03:40,473 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:03:40" (1/1) ... [2024-11-08 18:03:40,474 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:03:40" (1/1) ... [2024-11-08 18:03:40,475 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:03:40" (1/1) ... [2024-11-08 18:03:40,476 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:03:40,479 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:03:40,480 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:03:40,480 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:03:40,481 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:03:40" (1/1) ... [2024-11-08 18:03:40,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 18:03:40,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51fefafd-30dd-417b-be92-a53f2eee7200/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:03:40,524 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51fefafd-30dd-417b-be92-a53f2eee7200/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 18:03:40,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51fefafd-30dd-417b-be92-a53f2eee7200/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-08 18:03:40,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:03:40,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:03:40,664 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:03:40,667 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:03:40,801 INFO L? ?]: Removed 2 outVars from TransFormulas that were not future-live. [2024-11-08 18:03:40,801 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:03:40,832 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:03:40,832 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 18:03:40,833 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:03:40 BoogieIcfgContainer [2024-11-08 18:03:40,833 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:03:40,835 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-08 18:03:40,835 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-08 18:03:40,842 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-08 18:03:40,843 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 18:03:40,844 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.11 06:03:40" (1/3) ... [2024-11-08 18:03:40,846 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@64401bc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 06:03:40, skipping insertion in model container [2024-11-08 18:03:40,847 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 18:03:40,847 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:03:40" (2/3) ... [2024-11-08 18:03:40,848 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@64401bc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 06:03:40, skipping insertion in model container [2024-11-08 18:03:40,848 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 18:03:40,848 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:03:40" (3/3) ... [2024-11-08 18:03:40,850 INFO L332 chiAutomizerObserver]: Analyzing ICFG HarrisLalNoriRajamani-SAS2010-Fig3.c [2024-11-08 18:03:40,956 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-08 18:03:40,956 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-08 18:03:40,956 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-08 18:03:40,956 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-08 18:03:40,957 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-08 18:03:40,957 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-08 18:03:40,957 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-08 18:03:40,957 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-08 18:03:40,966 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) [2024-11-08 18:03:40,992 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-08 18:03:40,993 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 18:03:40,994 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 18:03:41,003 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-08 18:03:41,003 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-08 18:03:41,006 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-08 18:03:41,007 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) [2024-11-08 18:03:41,009 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-08 18:03:41,010 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 18:03:41,010 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 18:03:41,010 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-08 18:03:41,011 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-08 18:03:41,022 INFO L745 eck$LassoCheckResult]: Stem: 6#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;~x~0 := 0; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1;havoc main_#t~nondet1#1;~x~0 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 5#L23-2true [2024-11-08 18:03:41,022 INFO L747 eck$LassoCheckResult]: Loop: 5#L23-2true assume ~x~0 > 0; 3#L22-1true assume !!(~x~0 > 0);havoc main_#t~nondet2#1; 7#L23true 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; 11#L14-1true havoc foo_#t~post0#1;assume { :end_inline_foo } true; 5#L23-2true [2024-11-08 18:03:41,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:03:41,032 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-08 18:03:41,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:03:41,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359656875] [2024-11-08 18:03:41,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:03:41,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:03:41,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:03:41,185 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:03:41,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:03:41,214 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:03:41,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:03:41,218 INFO L85 PathProgramCache]: Analyzing trace with hash 1113416, now seen corresponding path program 1 times [2024-11-08 18:03:41,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:03:41,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663606263] [2024-11-08 18:03:41,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:03:41,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:03:41,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:03:41,232 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:03:41,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:03:41,239 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:03:41,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:03:41,242 INFO L85 PathProgramCache]: Analyzing trace with hash 889540618, now seen corresponding path program 1 times [2024-11-08 18:03:41,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:03:41,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790430192] [2024-11-08 18:03:41,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:03:41,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:03:41,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:03:41,252 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:03:41,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:03:41,261 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:03:41,364 INFO L204 LassoAnalysis]: Preferences: [2024-11-08 18:03:41,365 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-08 18:03:41,366 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-08 18:03:41,366 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-08 18:03:41,366 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-08 18:03:41,367 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 18:03:41,367 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-08 18:03:41,367 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-08 18:03:41,367 INFO L132 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig3.c_Iteration1_Loop [2024-11-08 18:03:41,368 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-08 18:03:41,368 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-08 18:03:41,394 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:03:41,416 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:03:41,422 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:03:41,498 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-08 18:03:41,499 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-08 18:03:41,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 18:03:41,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51fefafd-30dd-417b-be92-a53f2eee7200/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:03:41,504 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51fefafd-30dd-417b-be92-a53f2eee7200/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 18:03:41,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51fefafd-30dd-417b-be92-a53f2eee7200/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-08 18:03:41,522 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 18:03:41,522 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 18:03:41,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51fefafd-30dd-417b-be92-a53f2eee7200/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-08 18:03:41,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 18:03:41,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51fefafd-30dd-417b-be92-a53f2eee7200/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:03:41,566 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51fefafd-30dd-417b-be92-a53f2eee7200/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 18:03:41,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51fefafd-30dd-417b-be92-a53f2eee7200/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-08 18:03:41,570 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-08 18:03:41,571 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 18:03:41,617 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-08 18:03:41,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51fefafd-30dd-417b-be92-a53f2eee7200/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-11-08 18:03:41,623 INFO L204 LassoAnalysis]: Preferences: [2024-11-08 18:03:41,623 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-08 18:03:41,624 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-08 18:03:41,624 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-08 18:03:41,624 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-08 18:03:41,624 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 18:03:41,626 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-08 18:03:41,628 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-08 18:03:41,628 INFO L132 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig3.c_Iteration1_Loop [2024-11-08 18:03:41,629 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-08 18:03:41,629 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-08 18:03:41,632 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:03:41,654 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:03:41,662 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:03:41,711 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-08 18:03:41,717 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-08 18:03:41,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 18:03:41,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51fefafd-30dd-417b-be92-a53f2eee7200/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:03:41,721 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51fefafd-30dd-417b-be92-a53f2eee7200/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 18:03:41,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51fefafd-30dd-417b-be92-a53f2eee7200/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-08 18:03:41,725 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 [2024-11-08 18:03:41,743 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 18:03:41,743 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-08 18:03:41,744 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 18:03:41,744 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 18:03:41,744 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 18:03:41,752 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-08 18:03:41,752 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-08 18:03:41,762 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-08 18:03:41,771 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-08 18:03:41,771 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-08 18:03:41,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 18:03:41,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51fefafd-30dd-417b-be92-a53f2eee7200/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:03:41,782 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51fefafd-30dd-417b-be92-a53f2eee7200/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 18:03:41,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51fefafd-30dd-417b-be92-a53f2eee7200/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-08 18:03:41,788 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-08 18:03:41,789 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-08 18:03:41,790 INFO L474 LassoAnalysis]: Proved termination. [2024-11-08 18:03:41,791 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(~x~0) = 1*~x~0 Supporting invariants [] [2024-11-08 18:03:41,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51fefafd-30dd-417b-be92-a53f2eee7200/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-08 18:03:41,821 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-08 18:03:41,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:03:41,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:41,882 INFO L255 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 18:03:41,883 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:03:41,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:41,913 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 18:03:41,914 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:03:42,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:03:42,084 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-08 18:03:42,086 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) [2024-11-08 18:03:42,177 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 30 transitions. Complement of second has 7 states. [2024-11-08 18:03:42,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-08 18:03:42,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:03:42,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 18 transitions. [2024-11-08 18:03:42,189 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 2 letters. Loop has 4 letters. [2024-11-08 18:03:42,190 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 18:03:42,190 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 6 letters. Loop has 4 letters. [2024-11-08 18:03:42,191 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 18:03:42,191 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 2 letters. Loop has 8 letters. [2024-11-08 18:03:42,191 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 18:03:42,193 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 30 transitions. [2024-11-08 18:03:42,199 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-08 18:03:42,203 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 0 states and 0 transitions. [2024-11-08 18:03:42,204 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-08 18:03:42,204 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-08 18:03:42,205 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-08 18:03:42,206 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-08 18:03:42,206 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 18:03:42,206 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 18:03:42,206 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 18:03:42,206 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-08 18:03:42,207 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-08 18:03:42,207 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-08 18:03:42,207 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-08 18:03:42,216 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.11 06:03:42 BoogieIcfgContainer [2024-11-08 18:03:42,217 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-08 18:03:42,217 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 18:03:42,218 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 18:03:42,218 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 18:03:42,219 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:03:40" (3/4) ... [2024-11-08 18:03:42,222 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 18:03:42,223 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 18:03:42,224 INFO L158 Benchmark]: Toolchain (without parser) took 2215.58ms. Allocated memory is still 155.2MB. Free memory was 117.0MB in the beginning and 106.2MB in the end (delta: 10.8MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2024-11-08 18:03:42,225 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 113.2MB. Free memory is still 63.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:03:42,226 INFO L158 Benchmark]: CACSL2BoogieTranslator took 377.48ms. Allocated memory is still 155.2MB. Free memory was 117.0MB in the beginning and 105.8MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 18:03:42,227 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.13ms. Allocated memory is still 155.2MB. Free memory was 105.8MB in the beginning and 104.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:03:42,228 INFO L158 Benchmark]: Boogie Preprocessor took 43.85ms. Allocated memory is still 155.2MB. Free memory was 104.2MB in the beginning and 103.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:03:42,229 INFO L158 Benchmark]: RCFGBuilder took 354.71ms. Allocated memory is still 155.2MB. Free memory was 103.0MB in the beginning and 94.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 18:03:42,229 INFO L158 Benchmark]: BuchiAutomizer took 1381.96ms. Allocated memory is still 155.2MB. Free memory was 94.6MB in the beginning and 107.0MB in the end (delta: -12.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:03:42,230 INFO L158 Benchmark]: Witness Printer took 5.81ms. Allocated memory is still 155.2MB. Free memory was 107.0MB in the beginning and 106.2MB in the end (delta: 757.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:03:42,234 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 113.2MB. Free memory is still 63.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 377.48ms. Allocated memory is still 155.2MB. Free memory was 117.0MB in the beginning and 105.8MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.13ms. Allocated memory is still 155.2MB. Free memory was 105.8MB in the beginning and 104.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.85ms. Allocated memory is still 155.2MB. Free memory was 104.2MB in the beginning and 103.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 354.71ms. Allocated memory is still 155.2MB. Free memory was 103.0MB in the beginning and 94.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1381.96ms. Allocated memory is still 155.2MB. Free memory was 94.6MB in the beginning and 107.0MB in the end (delta: -12.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.81ms. Allocated memory is still 155.2MB. Free memory was 107.0MB in the beginning and 106.2MB in the end (delta: 757.4kB). Peak memory consumption was 2.1MB. 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 1.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. 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, 17 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 7 mSDtfsCounter, 9 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: 71ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-08 18:03:42,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51fefafd-30dd-417b-be92-a53f2eee7200/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-08 18:03:42,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51fefafd-30dd-417b-be92-a53f2eee7200/bin/uautomizer-verify-jihMAELWvX/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