./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/float-benchs/addsub_float_exact.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6a0c6f-168d-4e78-b070-2b3390cb674c/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6a0c6f-168d-4e78-b070-2b3390cb674c/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6a0c6f-168d-4e78-b070-2b3390cb674c/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6a0c6f-168d-4e78-b070-2b3390cb674c/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/float-benchs/addsub_float_exact.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6a0c6f-168d-4e78-b070-2b3390cb674c/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6a0c6f-168d-4e78-b070-2b3390cb674c/bin/uautomizer-verify-VRDe98Ueme --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 a554664720339a35a3ec026865ea1b6c4e0d3f983b8a3fb49a87ef117f533cd5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:41:32,630 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:41:32,704 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6a0c6f-168d-4e78-b070-2b3390cb674c/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-26 10:41:32,710 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:41:32,710 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:41:32,757 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:41:32,758 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:41:32,759 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:41:32,759 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:41:32,760 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:41:32,761 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:41:32,770 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:41:32,771 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:41:32,771 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-26 10:41:32,772 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-26 10:41:32,773 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-26 10:41:32,773 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-26 10:41:32,774 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-26 10:41:32,774 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-26 10:41:32,775 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:41:32,775 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-26 10:41:32,781 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 10:41:32,781 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:41:32,782 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 10:41:32,782 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:41:32,783 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-26 10:41:32,783 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-26 10:41:32,784 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-26 10:41:32,784 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 10:41:32,785 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 10:41:32,785 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:41:32,786 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-26 10:41:32,786 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:41:32,787 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:41:32,787 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:41:32,788 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:41:32,788 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:41:32,789 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-26 10:41:32,789 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_3d6a0c6f-168d-4e78-b070-2b3390cb674c/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6a0c6f-168d-4e78-b070-2b3390cb674c/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a554664720339a35a3ec026865ea1b6c4e0d3f983b8a3fb49a87ef117f533cd5 [2023-11-26 10:41:33,076 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:41:33,101 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:41:33,104 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:41:33,105 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:41:33,106 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:41:33,108 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6a0c6f-168d-4e78-b070-2b3390cb674c/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/float-benchs/addsub_float_exact.c [2023-11-26 10:41:36,336 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:41:36,637 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:41:36,638 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6a0c6f-168d-4e78-b070-2b3390cb674c/sv-benchmarks/c/float-benchs/addsub_float_exact.c [2023-11-26 10:41:36,647 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6a0c6f-168d-4e78-b070-2b3390cb674c/bin/uautomizer-verify-VRDe98Ueme/data/755e8a0a1/ca2c97b7b3c44b9eb325a6e77a3c9e65/FLAG43ba01be9 [2023-11-26 10:41:36,662 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6a0c6f-168d-4e78-b070-2b3390cb674c/bin/uautomizer-verify-VRDe98Ueme/data/755e8a0a1/ca2c97b7b3c44b9eb325a6e77a3c9e65 [2023-11-26 10:41:36,673 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:41:36,675 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:41:36,678 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:41:36,679 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:41:36,683 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:41:36,684 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:41:36" (1/1) ... [2023-11-26 10:41:36,685 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48ed146 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:36, skipping insertion in model container [2023-11-26 10:41:36,685 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:41:36" (1/1) ... [2023-11-26 10:41:36,703 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:41:36,836 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:41:36,850 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:41:36,867 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:41:36,883 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:41:36,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:36 WrapperNode [2023-11-26 10:41:36,883 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:41:36,884 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:41:36,884 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:41:36,884 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:41:36,892 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:36" (1/1) ... [2023-11-26 10:41:36,898 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:36" (1/1) ... [2023-11-26 10:41:36,913 INFO L138 Inliner]: procedures = 12, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 27 [2023-11-26 10:41:36,914 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:41:36,915 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:41:36,915 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:41:36,915 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:41:36,926 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:36" (1/1) ... [2023-11-26 10:41:36,927 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:36" (1/1) ... [2023-11-26 10:41:36,928 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:36" (1/1) ... [2023-11-26 10:41:36,940 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-26 10:41:36,940 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:36" (1/1) ... [2023-11-26 10:41:36,940 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:36" (1/1) ... [2023-11-26 10:41:36,944 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:36" (1/1) ... [2023-11-26 10:41:36,946 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:36" (1/1) ... [2023-11-26 10:41:36,947 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:36" (1/1) ... [2023-11-26 10:41:36,948 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:36" (1/1) ... [2023-11-26 10:41:36,949 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:41:36,950 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:41:36,951 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:41:36,951 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:41:36,952 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:36" (1/1) ... [2023-11-26 10:41:36,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:36,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6a0c6f-168d-4e78-b070-2b3390cb674c/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:36,991 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6a0c6f-168d-4e78-b070-2b3390cb674c/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:37,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6a0c6f-168d-4e78-b070-2b3390cb674c/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-26 10:41:37,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:41:37,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:41:37,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:41:37,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 10:41:37,103 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:41:37,105 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:41:37,199 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:41:37,208 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:41:37,208 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-26 10:41:37,210 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:41:37 BoogieIcfgContainer [2023-11-26 10:41:37,210 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:41:37,212 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-26 10:41:37,212 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-26 10:41:37,216 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-26 10:41:37,217 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 10:41:37,218 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.11 10:41:36" (1/3) ... [2023-11-26 10:41:37,219 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4696f201 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 10:41:37, skipping insertion in model container [2023-11-26 10:41:37,219 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 10:41:37,219 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:36" (2/3) ... [2023-11-26 10:41:37,219 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4696f201 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 10:41:37, skipping insertion in model container [2023-11-26 10:41:37,220 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 10:41:37,220 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:41:37" (3/3) ... [2023-11-26 10:41:37,221 INFO L332 chiAutomizerObserver]: Analyzing ICFG addsub_float_exact.c [2023-11-26 10:41:37,277 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-26 10:41:37,277 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-26 10:41:37,277 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-26 10:41:37,278 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-26 10:41:37,278 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-26 10:41:37,278 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-26 10:41:37,278 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-26 10:41:37,279 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-26 10:41:37,287 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) [2023-11-26 10:41:37,304 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-26 10:41:37,304 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-26 10:41:37,309 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.11 10:41:37 BoogieIcfgContainer [2023-11-26 10:41:37,309 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-26 10:41:37,310 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 10:41:37,310 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 10:41:37,310 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 10:41:37,311 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:41:37" (3/4) ... [2023-11-26 10:41:37,313 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 10:41:37,314 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 10:41:37,315 INFO L158 Benchmark]: Toolchain (without parser) took 639.35ms. Allocated memory is still 161.5MB. Free memory was 132.3MB in the beginning and 103.7MB in the end (delta: 28.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-26 10:41:37,315 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 121.6MB. Free memory is still 86.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:41:37,316 INFO L158 Benchmark]: CACSL2BoogieTranslator took 204.98ms. Allocated memory is still 161.5MB. Free memory was 132.3MB in the beginning and 121.7MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-26 10:41:37,317 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.88ms. Allocated memory is still 161.5MB. Free memory was 121.7MB in the beginning and 120.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:41:37,318 INFO L158 Benchmark]: Boogie Preprocessor took 35.02ms. Allocated memory is still 161.5MB. Free memory was 120.4MB in the beginning and 119.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:41:37,319 INFO L158 Benchmark]: RCFGBuilder took 260.29ms. Allocated memory is still 161.5MB. Free memory was 119.1MB in the beginning and 109.9MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-26 10:41:37,320 INFO L158 Benchmark]: BuchiAutomizer took 97.65ms. Allocated memory is still 161.5MB. Free memory was 109.3MB in the beginning and 104.4MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 10:41:37,321 INFO L158 Benchmark]: Witness Printer took 3.65ms. Allocated memory is still 161.5MB. Free memory was 104.4MB in the beginning and 103.7MB in the end (delta: 660.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:41:37,325 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 121.6MB. Free memory is still 86.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 204.98ms. Allocated memory is still 161.5MB. Free memory was 132.3MB in the beginning and 121.7MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.88ms. Allocated memory is still 161.5MB. Free memory was 121.7MB in the beginning and 120.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.02ms. Allocated memory is still 161.5MB. Free memory was 120.4MB in the beginning and 119.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 260.29ms. Allocated memory is still 161.5MB. Free memory was 119.1MB in the beginning and 109.9MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 97.65ms. Allocated memory is still 161.5MB. Free memory was 109.3MB in the beginning and 104.4MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Witness Printer took 3.65ms. Allocated memory is still 161.5MB. Free memory was 104.4MB in the beginning and 103.7MB in the end (delta: 660.6kB). 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! [2023-11-26 10:41:37,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6a0c6f-168d-4e78-b070-2b3390cb674c/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE