./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 0e0057cc 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_ca9b655a-58c2-40e6-8094-586bb3de69a6/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9b655a-58c2-40e6-8094-586bb3de69a6/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9b655a-58c2-40e6-8094-586bb3de69a6/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9b655a-58c2-40e6-8094-586bb3de69a6/bin/uautomizer-verify-BQ2R08f2Ya/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_ca9b655a-58c2-40e6-8094-586bb3de69a6/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9b655a-58c2-40e6-8094-586bb3de69a6/bin/uautomizer-verify-BQ2R08f2Ya --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 0.2.4-dev-0e0057c [2023-11-29 04:48:48,925 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 04:48:48,991 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9b655a-58c2-40e6-8094-586bb3de69a6/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-29 04:48:48,996 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 04:48:48,997 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 04:48:49,021 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 04:48:49,022 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 04:48:49,023 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 04:48:49,023 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 04:48:49,024 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 04:48:49,025 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 04:48:49,025 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 04:48:49,026 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 04:48:49,026 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-29 04:48:49,027 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-29 04:48:49,027 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-29 04:48:49,028 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-29 04:48:49,028 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-29 04:48:49,029 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-29 04:48:49,029 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 04:48:49,030 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-29 04:48:49,030 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 04:48:49,031 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 04:48:49,031 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-29 04:48:49,032 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-29 04:48:49,032 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-29 04:48:49,033 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 04:48:49,033 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 04:48:49,034 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-29 04:48:49,034 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 04:48:49,034 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 04:48:49,035 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 04:48:49,035 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 04:48:49,036 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 04:48:49,036 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-29 04:48:49,036 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_ca9b655a-58c2-40e6-8094-586bb3de69a6/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9b655a-58c2-40e6-8094-586bb3de69a6/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c64ddc091da8ed0532dcccc83eb64a4ecc9abe88fb93c047052ca7ac9ea29989 [2023-11-29 04:48:49,248 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 04:48:49,270 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 04:48:49,272 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 04:48:49,273 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 04:48:49,274 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 04:48:49,275 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9b655a-58c2-40e6-8094-586bb3de69a6/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig3.c [2023-11-29 04:48:52,219 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 04:48:52,375 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 04:48:52,375 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9b655a-58c2-40e6-8094-586bb3de69a6/sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig3.c [2023-11-29 04:48:52,381 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9b655a-58c2-40e6-8094-586bb3de69a6/bin/uautomizer-verify-BQ2R08f2Ya/data/f57f5afc5/86afc28217724ddf9cce0c15f868aa38/FLAG24559d983 [2023-11-29 04:48:52,396 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9b655a-58c2-40e6-8094-586bb3de69a6/bin/uautomizer-verify-BQ2R08f2Ya/data/f57f5afc5/86afc28217724ddf9cce0c15f868aa38 [2023-11-29 04:48:52,398 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 04:48:52,400 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 04:48:52,402 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 04:48:52,402 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 04:48:52,406 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 04:48:52,407 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:48:52" (1/1) ... [2023-11-29 04:48:52,408 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d16988 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:48:52, skipping insertion in model container [2023-11-29 04:48:52,408 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:48:52" (1/1) ... [2023-11-29 04:48:52,426 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 04:48:52,574 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:48:52,581 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 04:48:52,592 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:48:52,603 INFO L206 MainTranslator]: Completed translation [2023-11-29 04:48:52,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:48:52 WrapperNode [2023-11-29 04:48:52,603 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 04:48:52,604 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 04:48:52,605 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 04:48:52,605 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 04:48:52,613 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:48:52" (1/1) ... [2023-11-29 04:48:52,617 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:48:52" (1/1) ... [2023-11-29 04:48:52,635 INFO L138 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 24 [2023-11-29 04:48:52,636 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 04:48:52,637 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 04:48:52,637 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 04:48:52,637 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 04:48:52,649 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:48:52" (1/1) ... [2023-11-29 04:48:52,649 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:48:52" (1/1) ... [2023-11-29 04:48:52,650 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:48:52" (1/1) ... [2023-11-29 04:48:52,657 INFO L175 MemorySlicer]: No memory access in input program. [2023-11-29 04:48:52,657 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:48:52" (1/1) ... [2023-11-29 04:48:52,658 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:48:52" (1/1) ... [2023-11-29 04:48:52,659 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:48:52" (1/1) ... [2023-11-29 04:48:52,664 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:48:52" (1/1) ... [2023-11-29 04:48:52,664 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:48:52" (1/1) ... [2023-11-29 04:48:52,665 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:48:52" (1/1) ... [2023-11-29 04:48:52,666 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 04:48:52,667 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 04:48:52,668 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 04:48:52,668 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 04:48:52,669 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:48:52" (1/1) ... [2023-11-29 04:48:52,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:48:52,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9b655a-58c2-40e6-8094-586bb3de69a6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:48:52,700 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9b655a-58c2-40e6-8094-586bb3de69a6/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:48:52,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9b655a-58c2-40e6-8094-586bb3de69a6/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-29 04:48:52,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 04:48:52,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 04:48:52,786 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 04:48:52,788 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 04:48:52,860 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 04:48:52,871 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 04:48:52,871 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 04:48:52,873 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:48:52 BoogieIcfgContainer [2023-11-29 04:48:52,873 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 04:48:52,874 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-29 04:48:52,874 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-29 04:48:52,878 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-29 04:48:52,879 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 04:48:52,879 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 04:48:52" (1/3) ... [2023-11-29 04:48:52,880 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@13efd8fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 04:48:52, skipping insertion in model container [2023-11-29 04:48:52,880 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 04:48:52,880 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:48:52" (2/3) ... [2023-11-29 04:48:52,881 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@13efd8fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 04:48:52, skipping insertion in model container [2023-11-29 04:48:52,881 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 04:48:52,881 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:48:52" (3/3) ... [2023-11-29 04:48:52,882 INFO L332 chiAutomizerObserver]: Analyzing ICFG HarrisLalNoriRajamani-SAS2010-Fig3.c [2023-11-29 04:48:52,935 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-29 04:48:52,935 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-29 04:48:52,935 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-29 04:48:52,935 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-29 04:48:52,936 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-29 04:48:52,936 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-29 04:48:52,936 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-29 04:48:52,936 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-29 04:48:52,940 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:48:52,956 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-29 04:48:52,956 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 04:48:52,956 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 04:48:52,961 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-29 04:48:52,961 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-29 04:48:52,961 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-29 04:48:52,962 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:48:52,963 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-29 04:48:52,963 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 04:48:52,963 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 04:48:52,963 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-29 04:48:52,964 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-29 04:48:52,970 INFO L748 eck$LassoCheckResult]: Stem: 5#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;~x~0 := 0; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1;havoc main_#t~nondet1#1;~x~0 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 4#L23-2true [2023-11-29 04:48:52,970 INFO L750 eck$LassoCheckResult]: Loop: 4#L23-2true assume !!(~x~0 > 0);havoc main_#t~nondet2#1; 6#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; 9#L14true havoc foo_#t~post0#1;assume { :end_inline_foo } true; 4#L23-2true [2023-11-29 04:48:52,975 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:48:52,975 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-11-29 04:48:52,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:48:52,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36101757] [2023-11-29 04:48:52,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:48:52,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:48:53,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:48:53,051 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 04:48:53,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:48:53,068 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 04:48:53,070 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:48:53,070 INFO L85 PathProgramCache]: Analyzing trace with hash 40812, now seen corresponding path program 1 times [2023-11-29 04:48:53,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:48:53,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093540604] [2023-11-29 04:48:53,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:48:53,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:48:53,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:48:53,080 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 04:48:53,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:48:53,085 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 04:48:53,087 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:48:53,087 INFO L85 PathProgramCache]: Analyzing trace with hash 28699754, now seen corresponding path program 1 times [2023-11-29 04:48:53,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:48:53,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846705285] [2023-11-29 04:48:53,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:48:53,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:48:53,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:48:53,093 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 04:48:53,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:48:53,099 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 04:48:53,173 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 04:48:53,174 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 04:48:53,174 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 04:48:53,175 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 04:48:53,175 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-29 04:48:53,175 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:48:53,175 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 04:48:53,175 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 04:48:53,175 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig3.c_Iteration1_Loop [2023-11-29 04:48:53,175 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 04:48:53,176 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 04:48:53,188 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:48:53,204 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:48:53,207 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:48:53,246 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 04:48:53,246 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-29 04:48:53,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:48:53,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9b655a-58c2-40e6-8094-586bb3de69a6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:48:53,250 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9b655a-58c2-40e6-8094-586bb3de69a6/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:48:53,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9b655a-58c2-40e6-8094-586bb3de69a6/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-29 04:48:53,260 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 04:48:53,260 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 04:48:53,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9b655a-58c2-40e6-8094-586bb3de69a6/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-29 04:48:53,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:48:53,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9b655a-58c2-40e6-8094-586bb3de69a6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:48:53,284 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9b655a-58c2-40e6-8094-586bb3de69a6/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:48:53,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9b655a-58c2-40e6-8094-586bb3de69a6/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-29 04:48:53,288 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-29 04:48:53,288 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 04:48:53,314 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-29 04:48:53,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9b655a-58c2-40e6-8094-586bb3de69a6/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2023-11-29 04:48:53,317 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 04:48:53,317 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 04:48:53,318 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 04:48:53,318 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 04:48:53,318 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 04:48:53,318 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:48:53,318 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 04:48:53,318 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 04:48:53,318 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig3.c_Iteration1_Loop [2023-11-29 04:48:53,318 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 04:48:53,319 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 04:48:53,320 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:48:53,328 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:48:53,330 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:48:53,359 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 04:48:53,363 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 04:48:53,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:48:53,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9b655a-58c2-40e6-8094-586bb3de69a6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:48:53,366 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9b655a-58c2-40e6-8094-586bb3de69a6/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:48:53,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9b655a-58c2-40e6-8094-586bb3de69a6/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-29 04:48:53,371 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 [2023-11-29 04:48:53,384 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 04:48:53,385 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 04:48:53,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 04:48:53,385 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 04:48:53,385 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 04:48:53,388 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 04:48:53,388 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 04:48:53,391 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 04:48:53,397 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-29 04:48:53,397 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-11-29 04:48:53,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:48:53,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9b655a-58c2-40e6-8094-586bb3de69a6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:48:53,423 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9b655a-58c2-40e6-8094-586bb3de69a6/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:48:53,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9b655a-58c2-40e6-8094-586bb3de69a6/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-29 04:48:53,425 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 04:48:53,425 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-29 04:48:53,425 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 04:48:53,426 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~x~0) = 1*~x~0 Supporting invariants [] [2023-11-29 04:48:53,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9b655a-58c2-40e6-8094-586bb3de69a6/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2023-11-29 04:48:53,431 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-29 04:48:53,451 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:48:53,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:48:53,461 INFO L262 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 04:48:53,462 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:48:53,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:48:53,476 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 04:48:53,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:48:53,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:48:53,555 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 [2023-11-29 04:48:53,557 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2023-11-29 04:48:53,602 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 23 states and 28 transitions. Complement of second has 7 states. [2023-11-29 04:48:53,604 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 [2023-11-29 04:48:53,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2023-11-29 04:48:53,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 18 transitions. [2023-11-29 04:48:53,610 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 2 letters. Loop has 3 letters. [2023-11-29 04:48:53,611 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 04:48:53,611 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 5 letters. Loop has 3 letters. [2023-11-29 04:48:53,612 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 04:48:53,612 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 2 letters. Loop has 6 letters. [2023-11-29 04:48:53,612 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 04:48:53,613 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 28 transitions. [2023-11-29 04:48:53,616 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-29 04:48:53,618 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 0 states and 0 transitions. [2023-11-29 04:48:53,619 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-29 04:48:53,619 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-29 04:48:53,620 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-29 04:48:53,620 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:48:53,620 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 04:48:53,620 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 04:48:53,620 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 04:48:53,620 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-29 04:48:53,620 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-29 04:48:53,620 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-29 04:48:53,621 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-29 04:48:53,626 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 04:48:53 BoogieIcfgContainer [2023-11-29 04:48:53,627 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-29 04:48:53,627 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 04:48:53,627 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 04:48:53,628 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 04:48:53,628 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:48:52" (3/4) ... [2023-11-29 04:48:53,630 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 04:48:53,631 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 04:48:53,632 INFO L158 Benchmark]: Toolchain (without parser) took 1231.59ms. Allocated memory is still 172.0MB. Free memory was 126.1MB in the beginning and 63.2MB in the end (delta: 62.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-11-29 04:48:53,632 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 121.6MB. Free memory is still 68.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:48:53,633 INFO L158 Benchmark]: CACSL2BoogieTranslator took 202.18ms. Allocated memory is still 172.0MB. Free memory was 125.3MB in the beginning and 116.5MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-29 04:48:53,633 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.48ms. Allocated memory is still 172.0MB. Free memory was 116.5MB in the beginning and 114.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 04:48:53,634 INFO L158 Benchmark]: Boogie Preprocessor took 29.95ms. Allocated memory is still 172.0MB. Free memory was 114.8MB in the beginning and 113.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 04:48:53,635 INFO L158 Benchmark]: RCFGBuilder took 205.78ms. Allocated memory is still 172.0MB. Free memory was 113.6MB in the beginning and 104.3MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-29 04:48:53,635 INFO L158 Benchmark]: BuchiAutomizer took 752.52ms. Allocated memory is still 172.0MB. Free memory was 104.3MB in the beginning and 64.1MB in the end (delta: 40.3MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-29 04:48:53,635 INFO L158 Benchmark]: Witness Printer took 3.51ms. Allocated memory is still 172.0MB. Free memory was 64.1MB in the beginning and 63.2MB in the end (delta: 835.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 04:48:53,639 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 121.6MB. Free memory is still 68.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 202.18ms. Allocated memory is still 172.0MB. Free memory was 125.3MB in the beginning and 116.5MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.48ms. Allocated memory is still 172.0MB. Free memory was 116.5MB in the beginning and 114.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.95ms. Allocated memory is still 172.0MB. Free memory was 114.8MB in the beginning and 113.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 205.78ms. Allocated memory is still 172.0MB. Free memory was 113.6MB in the beginning and 104.3MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 752.52ms. Allocated memory is still 172.0MB. Free memory was 104.3MB in the beginning and 64.1MB in the end (delta: 40.3MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Witness Printer took 3.51ms. Allocated memory is still 172.0MB. Free memory was 64.1MB in the beginning and 63.2MB in the end (delta: 835.7kB). 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 0.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. 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, 8 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 7 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: 61ms 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! [2023-11-29 04:48:53,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9b655a-58c2-40e6-8094-586bb3de69a6/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2023-11-29 04:48:53,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9b655a-58c2-40e6-8094-586bb3de69a6/bin/uautomizer-verify-BQ2R08f2Ya/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