./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-regression/test02.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 527bcce2 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_d297ce0d-0dd1-46d9-9631-cc63782b1441/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d297ce0d-0dd1-46d9-9631-cc63782b1441/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d297ce0d-0dd1-46d9-9631-cc63782b1441/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d297ce0d-0dd1-46d9-9631-cc63782b1441/bin/uautomizer-verify-bycVGegfSx/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-regression/test02.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d297ce0d-0dd1-46d9-9631-cc63782b1441/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d297ce0d-0dd1-46d9-9631-cc63782b1441/bin/uautomizer-verify-bycVGegfSx --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 23f21f1d12fc9578c569fbf2e71b5421b3d1aa45a00983439dd99e97e66f1c7b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:08:48,111 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:08:48,240 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d297ce0d-0dd1-46d9-9631-cc63782b1441/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-21 22:08:48,247 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:08:48,248 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:08:48,287 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:08:48,288 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:08:48,289 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:08:48,290 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:08:48,295 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:08:48,297 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:08:48,297 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:08:48,298 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:08:48,300 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-21 22:08:48,301 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-21 22:08:48,301 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-21 22:08:48,302 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-21 22:08:48,303 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-21 22:08:48,303 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-21 22:08:48,304 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:08:48,304 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-21 22:08:48,305 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:08:48,305 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:08:48,306 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:08:48,306 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:08:48,307 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-21 22:08:48,307 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-21 22:08:48,308 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-21 22:08:48,308 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 22:08:48,309 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:08:48,310 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:08:48,311 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-21 22:08:48,311 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:08:48,311 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:08:48,312 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:08:48,312 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:08:48,312 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:08:48,313 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-21 22:08:48,313 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_d297ce0d-0dd1-46d9-9631-cc63782b1441/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d297ce0d-0dd1-46d9-9631-cc63782b1441/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23f21f1d12fc9578c569fbf2e71b5421b3d1aa45a00983439dd99e97e66f1c7b [2023-11-21 22:08:48,710 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:08:48,745 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:08:48,748 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:08:48,750 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:08:48,751 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:08:48,752 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d297ce0d-0dd1-46d9-9631-cc63782b1441/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/ldv-regression/test02.c [2023-11-21 22:08:51,967 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:08:52,155 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:08:52,156 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d297ce0d-0dd1-46d9-9631-cc63782b1441/sv-benchmarks/c/ldv-regression/test02.c [2023-11-21 22:08:52,163 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d297ce0d-0dd1-46d9-9631-cc63782b1441/bin/uautomizer-verify-bycVGegfSx/data/3fde5f92d/6adf7f38848e4e50a6f0ca295ba79f8b/FLAGac6142c6b [2023-11-21 22:08:52,181 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d297ce0d-0dd1-46d9-9631-cc63782b1441/bin/uautomizer-verify-bycVGegfSx/data/3fde5f92d/6adf7f38848e4e50a6f0ca295ba79f8b [2023-11-21 22:08:52,187 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:08:52,190 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:08:52,194 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:08:52,194 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:08:52,200 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:08:52,201 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:08:52" (1/1) ... [2023-11-21 22:08:52,202 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e587b55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:52, skipping insertion in model container [2023-11-21 22:08:52,202 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:08:52" (1/1) ... [2023-11-21 22:08:52,224 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:08:52,392 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:08:52,407 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:08:52,422 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:08:52,461 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:08:52,461 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:52 WrapperNode [2023-11-21 22:08:52,469 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:08:52,471 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:08:52,471 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:08:52,471 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:08:52,494 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:52" (1/1) ... [2023-11-21 22:08:52,514 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:52" (1/1) ... [2023-11-21 22:08:52,535 INFO L138 Inliner]: procedures = 12, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 31 [2023-11-21 22:08:52,535 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:08:52,536 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:08:52,536 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:08:52,536 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:08:52,551 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:52" (1/1) ... [2023-11-21 22:08:52,551 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:52" (1/1) ... [2023-11-21 22:08:52,553 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:52" (1/1) ... [2023-11-21 22:08:52,560 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:08:52,560 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:52" (1/1) ... [2023-11-21 22:08:52,561 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:52" (1/1) ... [2023-11-21 22:08:52,564 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:52" (1/1) ... [2023-11-21 22:08:52,566 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:52" (1/1) ... [2023-11-21 22:08:52,573 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:52" (1/1) ... [2023-11-21 22:08:52,574 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:52" (1/1) ... [2023-11-21 22:08:52,576 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:08:52,576 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:08:52,577 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:08:52,577 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:08:52,577 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:52" (1/1) ... [2023-11-21 22:08:52,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:08:52,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d297ce0d-0dd1-46d9-9631-cc63782b1441/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:08:52,611 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d297ce0d-0dd1-46d9-9631-cc63782b1441/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:08:52,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d297ce0d-0dd1-46d9-9631-cc63782b1441/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-21 22:08:52,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:08:52,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:08:52,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:08:52,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:08:52,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:08:52,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:08:52,712 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:08:52,715 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:08:52,812 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:08:52,820 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:08:52,821 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 22:08:52,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:08:52 BoogieIcfgContainer [2023-11-21 22:08:52,823 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:08:52,824 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-21 22:08:52,824 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-21 22:08:52,828 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-21 22:08:52,828 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:08:52,829 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.11 10:08:52" (1/3) ... [2023-11-21 22:08:52,830 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5d1c2ea0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 10:08:52, skipping insertion in model container [2023-11-21 22:08:52,830 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:08:52,830 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:52" (2/3) ... [2023-11-21 22:08:52,831 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5d1c2ea0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 10:08:52, skipping insertion in model container [2023-11-21 22:08:52,831 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:08:52,831 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:08:52" (3/3) ... [2023-11-21 22:08:52,832 INFO L332 chiAutomizerObserver]: Analyzing ICFG test02.c [2023-11-21 22:08:52,887 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-21 22:08:52,887 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-21 22:08:52,887 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-21 22:08:52,888 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-21 22:08:52,888 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-21 22:08:52,888 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-21 22:08:52,888 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-21 22:08:52,889 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-21 22:08:52,893 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 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) [2023-11-21 22:08:52,909 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-21 22:08:52,909 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-21 22:08:52,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.11 10:08:52 BoogieIcfgContainer [2023-11-21 22:08:52,913 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-21 22:08:52,914 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:08:52,914 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:08:52,914 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:08:52,915 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:08:52" (3/4) ... [2023-11-21 22:08:52,916 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 22:08:52,918 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:08:52,919 INFO L158 Benchmark]: Toolchain (without parser) took 728.60ms. Allocated memory is still 136.3MB. Free memory was 97.9MB in the beginning and 91.0MB in the end (delta: 6.9MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2023-11-21 22:08:52,920 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 109.1MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:08:52,921 INFO L158 Benchmark]: CACSL2BoogieTranslator took 275.52ms. Allocated memory is still 136.3MB. Free memory was 97.3MB in the beginning and 108.8MB in the end (delta: -11.5MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2023-11-21 22:08:52,922 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.81ms. Allocated memory is still 136.3MB. Free memory was 108.8MB in the beginning and 106.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:08:52,922 INFO L158 Benchmark]: Boogie Preprocessor took 39.96ms. Allocated memory is still 136.3MB. Free memory was 106.9MB in the beginning and 105.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:08:52,923 INFO L158 Benchmark]: RCFGBuilder took 246.25ms. Allocated memory is still 136.3MB. Free memory was 105.7MB in the beginning and 96.4MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 22:08:52,924 INFO L158 Benchmark]: BuchiAutomizer took 89.88ms. Allocated memory is still 136.3MB. Free memory was 96.4MB in the beginning and 91.0MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 22:08:52,924 INFO L158 Benchmark]: Witness Printer took 3.50ms. Allocated memory is still 136.3MB. Free memory is still 91.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:08:52,928 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 109.1MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 275.52ms. Allocated memory is still 136.3MB. Free memory was 97.3MB in the beginning and 108.8MB in the end (delta: -11.5MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.81ms. Allocated memory is still 136.3MB. Free memory was 108.8MB in the beginning and 106.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.96ms. Allocated memory is still 136.3MB. Free memory was 106.9MB in the beginning and 105.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 246.25ms. Allocated memory is still 136.3MB. Free memory was 105.7MB in the beginning and 96.4MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 89.88ms. Allocated memory is still 136.3MB. Free memory was 96.4MB in the beginning and 91.0MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Witness Printer took 3.50ms. Allocated memory is still 136.3MB. Free memory is still 91.0MB. 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! [2023-11-21 22:08:52,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d297ce0d-0dd1-46d9-9631-cc63782b1441/bin/uautomizer-verify-bycVGegfSx/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