./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-regression/alias_of_return.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a795f8f-38cd-403d-8108-ad15efcd31a9/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a795f8f-38cd-403d-8108-ad15efcd31a9/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a795f8f-38cd-403d-8108-ad15efcd31a9/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a795f8f-38cd-403d-8108-ad15efcd31a9/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-regression/alias_of_return.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a795f8f-38cd-403d-8108-ad15efcd31a9/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a795f8f-38cd-403d-8108-ad15efcd31a9/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ba0bcfe856788bd0caa6dc699e0af14f5977926f33f52c273bc3aa3b61532a90 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 05:25:13,981 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 05:25:14,064 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a795f8f-38cd-403d-8108-ad15efcd31a9/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-28 05:25:14,070 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 05:25:14,070 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 05:25:14,105 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 05:25:14,105 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 05:25:14,106 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 05:25:14,107 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 05:25:14,107 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 05:25:14,109 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 05:25:14,109 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 05:25:14,109 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 05:25:14,109 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-28 05:25:14,110 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-28 05:25:14,110 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-28 05:25:14,110 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-28 05:25:14,110 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-28 05:25:14,110 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-28 05:25:14,110 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 05:25:14,110 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-28 05:25:14,110 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 05:25:14,111 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 05:25:14,111 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 05:25:14,111 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 05:25:14,111 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-28 05:25:14,111 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-28 05:25:14,111 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-28 05:25:14,111 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 05:25:14,111 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 05:25:14,112 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 05:25:14,112 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-28 05:25:14,112 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 05:25:14,112 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 05:25:14,112 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 05:25:14,112 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:25:14,112 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 05:25:14,113 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-28 05:25:14,113 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-28 05:25:14,113 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_2a795f8f-38cd-403d-8108-ad15efcd31a9/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ba0bcfe856788bd0caa6dc699e0af14f5977926f33f52c273bc3aa3b61532a90 [2024-11-28 05:25:14,460 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 05:25:14,469 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 05:25:14,472 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 05:25:14,473 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 05:25:14,474 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 05:25:14,475 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a795f8f-38cd-403d-8108-ad15efcd31a9/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-regression/alias_of_return.i [2024-11-28 05:25:17,437 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a795f8f-38cd-403d-8108-ad15efcd31a9/bin/uautomizer-verify-aQ6SnzHsRB/data/df899aef0/a75ba25139724ccd94eeb6f1e7745483/FLAG944afda50 [2024-11-28 05:25:17,712 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 05:25:17,714 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a795f8f-38cd-403d-8108-ad15efcd31a9/sv-benchmarks/c/ldv-regression/alias_of_return.i [2024-11-28 05:25:17,742 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a795f8f-38cd-403d-8108-ad15efcd31a9/bin/uautomizer-verify-aQ6SnzHsRB/data/df899aef0/a75ba25139724ccd94eeb6f1e7745483/FLAG944afda50 [2024-11-28 05:25:17,765 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a795f8f-38cd-403d-8108-ad15efcd31a9/bin/uautomizer-verify-aQ6SnzHsRB/data/df899aef0/a75ba25139724ccd94eeb6f1e7745483 [2024-11-28 05:25:17,767 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 05:25:17,771 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 05:25:17,773 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 05:25:17,774 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 05:25:17,782 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 05:25:17,785 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:25:17" (1/1) ... [2024-11-28 05:25:17,786 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f99dcde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:17, skipping insertion in model container [2024-11-28 05:25:17,788 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:25:17" (1/1) ... [2024-11-28 05:25:17,804 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 05:25:17,989 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:25:18,007 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 05:25:18,024 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:25:18,044 INFO L204 MainTranslator]: Completed translation [2024-11-28 05:25:18,044 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:18 WrapperNode [2024-11-28 05:25:18,045 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 05:25:18,046 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 05:25:18,046 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 05:25:18,046 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 05:25:18,054 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:18" (1/1) ... [2024-11-28 05:25:18,061 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:18" (1/1) ... [2024-11-28 05:25:18,084 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 30 [2024-11-28 05:25:18,085 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 05:25:18,086 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 05:25:18,087 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 05:25:18,087 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 05:25:18,099 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:18" (1/1) ... [2024-11-28 05:25:18,099 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:18" (1/1) ... [2024-11-28 05:25:18,101 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:18" (1/1) ... [2024-11-28 05:25:18,121 INFO L175 MemorySlicer]: Split 5 memory accesses to 2 slices as follows [2, 3]. 60 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 2 writes are split as follows [0, 2]. [2024-11-28 05:25:18,124 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:18" (1/1) ... [2024-11-28 05:25:18,125 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:18" (1/1) ... [2024-11-28 05:25:18,128 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:18" (1/1) ... [2024-11-28 05:25:18,132 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:18" (1/1) ... [2024-11-28 05:25:18,135 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:18" (1/1) ... [2024-11-28 05:25:18,140 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:18" (1/1) ... [2024-11-28 05:25:18,141 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:18" (1/1) ... [2024-11-28 05:25:18,142 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 05:25:18,145 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 05:25:18,145 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 05:25:18,145 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 05:25:18,147 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:18" (1/1) ... [2024-11-28 05:25:18,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:25:18,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a795f8f-38cd-403d-8108-ad15efcd31a9/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:25:18,193 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a795f8f-38cd-403d-8108-ad15efcd31a9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:25:18,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a795f8f-38cd-403d-8108-ad15efcd31a9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-28 05:25:18,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 05:25:18,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 05:25:18,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 05:25:18,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 05:25:18,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 05:25:18,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 05:25:18,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 05:25:18,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 05:25:18,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 05:25:18,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 05:25:18,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 05:25:18,317 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 05:25:18,319 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 05:25:18,467 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-28 05:25:18,467 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 05:25:18,487 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 05:25:18,487 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 05:25:18,488 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:25:18 BoogieIcfgContainer [2024-11-28 05:25:18,488 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 05:25:18,489 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-28 05:25:18,489 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-28 05:25:18,496 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-28 05:25:18,496 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 05:25:18,497 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 05:25:17" (1/3) ... [2024-11-28 05:25:18,499 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7cf93b77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 05:25:18, skipping insertion in model container [2024-11-28 05:25:18,499 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 05:25:18,499 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:18" (2/3) ... [2024-11-28 05:25:18,499 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7cf93b77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 05:25:18, skipping insertion in model container [2024-11-28 05:25:18,499 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 05:25:18,500 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:25:18" (3/3) ... [2024-11-28 05:25:18,501 INFO L363 chiAutomizerObserver]: Analyzing ICFG alias_of_return.i [2024-11-28 05:25:18,573 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-28 05:25:18,573 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-28 05:25:18,574 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-28 05:25:18,574 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-28 05:25:18,575 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-28 05:25:18,575 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-28 05:25:18,575 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-28 05:25:18,575 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-28 05:25:18,581 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:25:18,601 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-28 05:25:18,602 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-28 05:25:18,611 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 05:25:18 BoogieIcfgContainer [2024-11-28 05:25:18,612 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-28 05:25:18,612 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 05:25:18,612 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 05:25:18,613 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 05:25:18,613 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:25:18" (3/4) ... [2024-11-28 05:25:18,616 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 05:25:18,617 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 05:25:18,618 INFO L158 Benchmark]: Toolchain (without parser) took 848.91ms. Allocated memory is still 117.4MB. Free memory was 95.1MB in the beginning and 67.2MB in the end (delta: 27.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 05:25:18,619 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 142.6MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:25:18,619 INFO L158 Benchmark]: CACSL2BoogieTranslator took 272.66ms. Allocated memory is still 117.4MB. Free memory was 95.1MB in the beginning and 84.8MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 05:25:18,619 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.00ms. Allocated memory is still 117.4MB. Free memory was 84.5MB in the beginning and 83.6MB in the end (delta: 868.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:25:18,620 INFO L158 Benchmark]: Boogie Preprocessor took 57.53ms. Allocated memory is still 117.4MB. Free memory was 83.6MB in the beginning and 82.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:25:18,620 INFO L158 Benchmark]: RCFGBuilder took 343.34ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 72.4MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 05:25:18,621 INFO L158 Benchmark]: BuchiAutomizer took 122.88ms. Allocated memory is still 117.4MB. Free memory was 72.1MB in the beginning and 67.5MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 05:25:18,621 INFO L158 Benchmark]: Witness Printer took 4.55ms. Allocated memory is still 117.4MB. Free memory was 67.5MB in the beginning and 67.2MB in the end (delta: 275.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:25:18,627 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 142.6MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 272.66ms. Allocated memory is still 117.4MB. Free memory was 95.1MB in the beginning and 84.8MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.00ms. Allocated memory is still 117.4MB. Free memory was 84.5MB in the beginning and 83.6MB in the end (delta: 868.8kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 57.53ms. Allocated memory is still 117.4MB. Free memory was 83.6MB in the beginning and 82.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 343.34ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 72.4MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 122.88ms. Allocated memory is still 117.4MB. Free memory was 72.1MB in the beginning and 67.5MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 4.55ms. Allocated memory is still 117.4MB. Free memory was 67.5MB in the beginning and 67.2MB in the end (delta: 275.0kB). 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! [2024-11-28 05:25:18,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a795f8f-38cd-403d-8108-ad15efcd31a9/bin/uautomizer-verify-aQ6SnzHsRB/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