./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-regression/test16.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb7cdf43-8ffe-49b0-b6b6-a1a7a0d8c1e8/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb7cdf43-8ffe-49b0-b6b6-a1a7a0d8c1e8/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb7cdf43-8ffe-49b0-b6b6-a1a7a0d8c1e8/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb7cdf43-8ffe-49b0-b6b6-a1a7a0d8c1e8/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-regression/test16.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb7cdf43-8ffe-49b0-b6b6-a1a7a0d8c1e8/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb7cdf43-8ffe-49b0-b6b6-a1a7a0d8c1e8/bin/uautomizer-verify-qhAvR1uOyd --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 32bit --witnessprinter.graph.data.programhash 092a946b6422703b24f2f29cdd90520b88845f5a5cf31cd89857d48af412e152 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:11:09,011 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:11:09,068 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb7cdf43-8ffe-49b0-b6b6-a1a7a0d8c1e8/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-13 15:11:09,073 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:11:09,073 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:11:09,101 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:11:09,102 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:11:09,102 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:11:09,102 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:11:09,103 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:11:09,103 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:11:09,103 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:11:09,103 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:11:09,103 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-13 15:11:09,103 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-13 15:11:09,105 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-13 15:11:09,105 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-13 15:11:09,106 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-13 15:11:09,106 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-13 15:11:09,107 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:11:09,107 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-13 15:11:09,107 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:11:09,107 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:11:09,108 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:11:09,108 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:11:09,108 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-13 15:11:09,108 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-13 15:11:09,108 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-13 15:11:09,108 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:11:09,108 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 15:11:09,108 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:11:09,108 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:11:09,108 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-13 15:11:09,108 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:11:09,109 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:11:09,109 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:11:09,109 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:11:09,109 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:11:09,110 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-13 15:11:09,110 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb7cdf43-8ffe-49b0-b6b6-a1a7a0d8c1e8/bin/uautomizer-verify-qhAvR1uOyd 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 092a946b6422703b24f2f29cdd90520b88845f5a5cf31cd89857d48af412e152 [2024-11-13 15:11:09,369 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:11:09,377 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:11:09,380 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:11:09,381 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:11:09,382 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:11:09,383 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb7cdf43-8ffe-49b0-b6b6-a1a7a0d8c1e8/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/ldv-regression/test16.c Unable to find full path for "g++" [2024-11-13 15:11:11,365 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:11:11,595 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:11:11,600 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb7cdf43-8ffe-49b0-b6b6-a1a7a0d8c1e8/sv-benchmarks/c/ldv-regression/test16.c [2024-11-13 15:11:11,612 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb7cdf43-8ffe-49b0-b6b6-a1a7a0d8c1e8/bin/uautomizer-verify-qhAvR1uOyd/data/b9f01258b/25967ee4f46b47e381213c5bab346427/FLAG35991dcbe [2024-11-13 15:11:11,636 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb7cdf43-8ffe-49b0-b6b6-a1a7a0d8c1e8/bin/uautomizer-verify-qhAvR1uOyd/data/b9f01258b/25967ee4f46b47e381213c5bab346427 [2024-11-13 15:11:11,640 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:11:11,642 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:11:11,645 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:11:11,645 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:11:11,653 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:11:11,654 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:11:11" (1/1) ... [2024-11-13 15:11:11,655 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c97364a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:11:11, skipping insertion in model container [2024-11-13 15:11:11,658 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:11:11" (1/1) ... [2024-11-13 15:11:11,675 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:11:11,867 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:11:11,884 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:11:11,899 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:11:11,918 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:11:11,918 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:11:11 WrapperNode [2024-11-13 15:11:11,918 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:11:11,919 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:11:11,920 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:11:11,920 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:11:11,927 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:11:11" (1/1) ... [2024-11-13 15:11:11,935 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:11:11" (1/1) ... [2024-11-13 15:11:11,957 INFO L138 Inliner]: procedures = 12, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 43 [2024-11-13 15:11:11,957 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:11:11,958 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:11:11,958 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:11:11,959 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:11:11,970 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:11:11" (1/1) ... [2024-11-13 15:11:11,971 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:11:11" (1/1) ... [2024-11-13 15:11:11,973 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:11:11" (1/1) ... [2024-11-13 15:11:11,993 INFO L175 MemorySlicer]: Split 10 memory accesses to 3 slices as follows [2, 4, 4]. 40 percent of accesses are in the largest equivalence class. The 4 initializations are split as follows [2, 1, 1]. The 3 writes are split as follows [0, 2, 1]. [2024-11-13 15:11:11,993 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:11:11" (1/1) ... [2024-11-13 15:11:11,993 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:11:11" (1/1) ... [2024-11-13 15:11:11,999 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:11:11" (1/1) ... [2024-11-13 15:11:12,003 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:11:11" (1/1) ... [2024-11-13 15:11:12,007 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:11:11" (1/1) ... [2024-11-13 15:11:12,008 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:11:11" (1/1) ... [2024-11-13 15:11:12,010 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:11:12,011 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:11:12,011 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:11:12,011 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:11:12,016 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:11:11" (1/1) ... [2024-11-13 15:11:12,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:11:12,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb7cdf43-8ffe-49b0-b6b6-a1a7a0d8c1e8/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:11:12,062 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb7cdf43-8ffe-49b0-b6b6-a1a7a0d8c1e8/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:11:12,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb7cdf43-8ffe-49b0-b6b6-a1a7a0d8c1e8/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-13 15:11:12,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-13 15:11:12,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-13 15:11:12,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-13 15:11:12,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:11:12,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:11:12,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:11:12,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-13 15:11:12,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-13 15:11:12,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-13 15:11:12,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 15:11:12,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-13 15:11:12,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-13 15:11:12,211 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:11:12,213 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:11:12,381 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-13 15:11:12,381 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:11:12,398 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:11:12,398 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 15:11:12,399 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:11:12 BoogieIcfgContainer [2024-11-13 15:11:12,399 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:11:12,400 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-13 15:11:12,400 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-13 15:11:12,407 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-13 15:11:12,408 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 15:11:12,408 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.11 03:11:11" (1/3) ... [2024-11-13 15:11:12,410 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3f9cdf20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 03:11:12, skipping insertion in model container [2024-11-13 15:11:12,410 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 15:11:12,410 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:11:11" (2/3) ... [2024-11-13 15:11:12,411 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3f9cdf20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 03:11:12, skipping insertion in model container [2024-11-13 15:11:12,411 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 15:11:12,411 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:11:12" (3/3) ... [2024-11-13 15:11:12,414 INFO L333 chiAutomizerObserver]: Analyzing ICFG test16.c [2024-11-13 15:11:12,490 INFO L299 stractBuchiCegarLoop]: Interprodecural is true [2024-11-13 15:11:12,491 INFO L300 stractBuchiCegarLoop]: Hoare is None [2024-11-13 15:11:12,491 INFO L301 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-13 15:11:12,491 INFO L302 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-13 15:11:12,491 INFO L303 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-13 15:11:12,491 INFO L304 stractBuchiCegarLoop]: Difference is false [2024-11-13 15:11:12,492 INFO L305 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-13 15:11:12,492 INFO L309 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-13 15:11:12,498 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:11:12,514 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-13 15:11:12,515 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-13 15:11:12,525 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.11 03:11:12 BoogieIcfgContainer [2024-11-13 15:11:12,525 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-13 15:11:12,526 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 15:11:12,526 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 15:11:12,526 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 15:11:12,528 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:11:12" (3/4) ... [2024-11-13 15:11:12,532 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 15:11:12,533 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 15:11:12,536 INFO L158 Benchmark]: Toolchain (without parser) took 891.77ms. Allocated memory is still 142.6MB. Free memory was 117.9MB in the beginning and 89.6MB in the end (delta: 28.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 15:11:12,538 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:11:12,539 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.36ms. Allocated memory is still 142.6MB. Free memory was 117.9MB in the beginning and 107.5MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:11:12,539 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.34ms. Allocated memory is still 142.6MB. Free memory was 107.5MB in the beginning and 106.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:11:12,539 INFO L158 Benchmark]: Boogie Preprocessor took 51.54ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 105.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:11:12,541 INFO L158 Benchmark]: RCFGBuilder took 388.23ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 94.5MB in the end (delta: 10.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 15:11:12,541 INFO L158 Benchmark]: BuchiAutomizer took 125.40ms. Allocated memory is still 142.6MB. Free memory was 94.5MB in the beginning and 89.8MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:11:12,541 INFO L158 Benchmark]: Witness Printer took 7.08ms. Allocated memory is still 142.6MB. Free memory was 89.8MB in the beginning and 89.6MB in the end (delta: 165.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:11:12,543 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 274.36ms. Allocated memory is still 142.6MB. Free memory was 117.9MB in the beginning and 107.5MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.34ms. Allocated memory is still 142.6MB. Free memory was 107.5MB in the beginning and 106.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 51.54ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 105.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 388.23ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 94.5MB in the end (delta: 10.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 125.40ms. Allocated memory is still 142.6MB. Free memory was 94.5MB in the beginning and 89.8MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.08ms. Allocated memory is still 142.6MB. Free memory was 89.8MB in the beginning and 89.6MB in the end (delta: 165.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition. There is no loop in your program. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.0s and 0 iterations. TraceHistogramMax:0. Analysis of lassos took 0.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. 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 [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-13 15:11:12,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb7cdf43-8ffe-49b0-b6b6-a1a7a0d8c1e8/bin/uautomizer-verify-qhAvR1uOyd/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