./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-regression/test18.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cf1a7837 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_38a3cadf-1b80-4575-b691-e277c46e3b0c/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a3cadf-1b80-4575-b691-e277c46e3b0c/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a3cadf-1b80-4575-b691-e277c46e3b0c/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a3cadf-1b80-4575-b691-e277c46e3b0c/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-regression/test18.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a3cadf-1b80-4575-b691-e277c46e3b0c/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a3cadf-1b80-4575-b691-e277c46e3b0c/bin/uautomizer-verify-uTZkv6EMXl --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 0feebd8a64fe0b15b88b38240b283856fce37415e61ae67dd5b1ceb66f5c5fbc --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:04:01,520 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:04:01,609 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a3cadf-1b80-4575-b691-e277c46e3b0c/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-12 02:04:01,619 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:04:01,620 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:04:01,646 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:04:01,646 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:04:01,647 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:04:01,648 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:04:01,649 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:04:01,649 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:04:01,650 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-12 02:04:01,650 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-12 02:04:01,651 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-12 02:04:01,651 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-12 02:04:01,652 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-12 02:04:01,652 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-12 02:04:01,653 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:04:01,653 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-12 02:04:01,654 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:04:01,654 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:04:01,655 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:04:01,655 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:04:01,656 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-12 02:04:01,656 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-12 02:04:01,657 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-12 02:04:01,657 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:04:01,657 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:04:01,658 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:04:01,658 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-12 02:04:01,659 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:04:01,659 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:04:01,659 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:04:01,660 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:04:01,660 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:04:01,661 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-12 02:04:01,661 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_38a3cadf-1b80-4575-b691-e277c46e3b0c/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a3cadf-1b80-4575-b691-e277c46e3b0c/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0feebd8a64fe0b15b88b38240b283856fce37415e61ae67dd5b1ceb66f5c5fbc [2023-11-12 02:04:01,909 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:04:01,943 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:04:01,945 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:04:01,947 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:04:01,964 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:04:01,965 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a3cadf-1b80-4575-b691-e277c46e3b0c/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/ldv-regression/test18.c [2023-11-12 02:04:05,064 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:04:05,377 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:04:05,378 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a3cadf-1b80-4575-b691-e277c46e3b0c/sv-benchmarks/c/ldv-regression/test18.c [2023-11-12 02:04:05,385 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a3cadf-1b80-4575-b691-e277c46e3b0c/bin/uautomizer-verify-uTZkv6EMXl/data/c59dad866/c7ddf465f6c14fa183cfe33530b8aa59/FLAG7a049d4a8 [2023-11-12 02:04:05,398 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a3cadf-1b80-4575-b691-e277c46e3b0c/bin/uautomizer-verify-uTZkv6EMXl/data/c59dad866/c7ddf465f6c14fa183cfe33530b8aa59 [2023-11-12 02:04:05,401 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:04:05,402 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:04:05,404 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:04:05,404 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:04:05,410 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:04:05,411 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:04:05" (1/1) ... [2023-11-12 02:04:05,412 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bf6fd18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:05, skipping insertion in model container [2023-11-12 02:04:05,413 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:04:05" (1/1) ... [2023-11-12 02:04:05,431 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:04:05,568 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:04:05,581 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:04:05,595 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:04:05,612 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:04:05,612 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:05 WrapperNode [2023-11-12 02:04:05,613 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:04:05,614 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:04:05,614 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:04:05,614 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:04:05,622 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:05" (1/1) ... [2023-11-12 02:04:05,633 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:05" (1/1) ... [2023-11-12 02:04:05,661 INFO L138 Inliner]: procedures = 16, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 54 [2023-11-12 02:04:05,663 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:04:05,664 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:04:05,665 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:04:05,666 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:04:05,675 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:05" (1/1) ... [2023-11-12 02:04:05,675 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:05" (1/1) ... [2023-11-12 02:04:05,677 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:05" (1/1) ... [2023-11-12 02:04:05,678 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:05" (1/1) ... [2023-11-12 02:04:05,683 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:05" (1/1) ... [2023-11-12 02:04:05,685 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:05" (1/1) ... [2023-11-12 02:04:05,686 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:05" (1/1) ... [2023-11-12 02:04:05,687 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:05" (1/1) ... [2023-11-12 02:04:05,690 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:04:05,691 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:04:05,691 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:04:05,691 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:04:05,692 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:05" (1/1) ... [2023-11-12 02:04:05,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:04:05,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a3cadf-1b80-4575-b691-e277c46e3b0c/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:04:05,723 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a3cadf-1b80-4575-b691-e277c46e3b0c/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:04:05,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a3cadf-1b80-4575-b691-e277c46e3b0c/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-12 02:04:05,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 02:04:05,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:04:05,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:04:05,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:04:05,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 02:04:05,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:04:05,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:04:05,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:04:05,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:04:05,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:04:05,845 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:04:05,847 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:04:06,038 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:04:06,043 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:04:06,044 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 02:04:06,046 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:04:06 BoogieIcfgContainer [2023-11-12 02:04:06,046 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:04:06,047 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-12 02:04:06,047 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-12 02:04:06,051 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-12 02:04:06,057 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:04:06,057 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.11 02:04:05" (1/3) ... [2023-11-12 02:04:06,058 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@15b6338 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 02:04:06, skipping insertion in model container [2023-11-12 02:04:06,058 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:04:06,058 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:05" (2/3) ... [2023-11-12 02:04:06,059 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@15b6338 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 02:04:06, skipping insertion in model container [2023-11-12 02:04:06,059 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:04:06,059 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:04:06" (3/3) ... [2023-11-12 02:04:06,060 INFO L332 chiAutomizerObserver]: Analyzing ICFG test18.c [2023-11-12 02:04:06,136 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-12 02:04:06,136 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-12 02:04:06,137 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-12 02:04:06,137 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-12 02:04:06,137 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-12 02:04:06,137 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-12 02:04:06,137 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-12 02:04:06,137 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-12 02:04:06,141 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 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) [2023-11-12 02:04:06,156 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-12 02:04:06,156 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-12 02:04:06,160 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.11 02:04:06 BoogieIcfgContainer [2023-11-12 02:04:06,160 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-12 02:04:06,161 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:04:06,161 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:04:06,161 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:04:06,162 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:04:06" (3/4) ... [2023-11-12 02:04:06,164 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 02:04:06,165 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:04:06,166 INFO L158 Benchmark]: Toolchain (without parser) took 763.41ms. Allocated memory is still 182.5MB. Free memory was 149.0MB in the beginning and 116.8MB in the end (delta: 32.2MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-12 02:04:06,167 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 182.5MB. Free memory is still 158.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:04:06,167 INFO L158 Benchmark]: CACSL2BoogieTranslator took 209.17ms. Allocated memory is still 182.5MB. Free memory was 149.0MB in the beginning and 139.2MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-12 02:04:06,168 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.80ms. Allocated memory is still 182.5MB. Free memory was 139.2MB in the beginning and 137.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:04:06,169 INFO L158 Benchmark]: Boogie Preprocessor took 25.93ms. Allocated memory is still 182.5MB. Free memory was 137.8MB in the beginning and 136.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:04:06,170 INFO L158 Benchmark]: RCFGBuilder took 355.02ms. Allocated memory is still 182.5MB. Free memory was 136.4MB in the beginning and 122.5MB in the end (delta: 14.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-12 02:04:06,170 INFO L158 Benchmark]: BuchiAutomizer took 113.59ms. Allocated memory is still 182.5MB. Free memory was 122.5MB in the beginning and 116.8MB in the end (delta: 5.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-12 02:04:06,171 INFO L158 Benchmark]: Witness Printer took 3.78ms. Allocated memory is still 182.5MB. Free memory is still 116.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:04:06,174 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 182.5MB. Free memory is still 158.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 209.17ms. Allocated memory is still 182.5MB. Free memory was 149.0MB in the beginning and 139.2MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.80ms. Allocated memory is still 182.5MB. Free memory was 139.2MB in the beginning and 137.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.93ms. Allocated memory is still 182.5MB. Free memory was 137.8MB in the beginning and 136.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 355.02ms. Allocated memory is still 182.5MB. Free memory was 136.4MB in the beginning and 122.5MB in the end (delta: 14.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 113.59ms. Allocated memory is still 182.5MB. Free memory was 122.5MB in the beginning and 116.8MB in the end (delta: 5.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 3.78ms. Allocated memory is still 182.5MB. Free memory is still 116.8MB. 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! [2023-11-12 02:04:06,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a3cadf-1b80-4575-b691-e277c46e3b0c/bin/uautomizer-verify-uTZkv6EMXl/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