./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-regression/rule60_list2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0821e4e-ff59-4069-b77c-e91d844aaf7e/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0821e4e-ff59-4069-b77c-e91d844aaf7e/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_a0821e4e-ff59-4069-b77c-e91d844aaf7e/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0821e4e-ff59-4069-b77c-e91d844aaf7e/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-regression/rule60_list2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0821e4e-ff59-4069-b77c-e91d844aaf7e/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_a0821e4e-ff59-4069-b77c-e91d844aaf7e/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 ec34d681fc532ab8881c0bb28aeb7b8d0ef0df29d4602290c71f943db752a206 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:48:41,411 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:48:41,527 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0821e4e-ff59-4069-b77c-e91d844aaf7e/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-26 11:48:41,534 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:48:41,535 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:48:41,572 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:48:41,574 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:48:41,575 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:48:41,576 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:48:41,583 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:48:41,584 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:48:41,584 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:48:41,585 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:48:41,587 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-26 11:48:41,587 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-26 11:48:41,588 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-26 11:48:41,588 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-26 11:48:41,589 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-26 11:48:41,589 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-26 11:48:41,589 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:48:41,590 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-26 11:48:41,590 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:48:41,591 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:48:41,591 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:48:41,592 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:48:41,592 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-26 11:48:41,592 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-26 11:48:41,593 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-26 11:48:41,594 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:48:41,594 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:48:41,596 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:48:41,596 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-26 11:48:41,596 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:48:41,596 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:48:41,597 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:48:41,597 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:48:41,597 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:48:41,598 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-26 11:48:41,599 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_a0821e4e-ff59-4069-b77c-e91d844aaf7e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0821e4e-ff59-4069-b77c-e91d844aaf7e/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec34d681fc532ab8881c0bb28aeb7b8d0ef0df29d4602290c71f943db752a206 [2023-11-26 11:48:41,936 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:48:41,970 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:48:41,973 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:48:41,974 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:48:41,975 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:48:41,976 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0821e4e-ff59-4069-b77c-e91d844aaf7e/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/ldv-regression/rule60_list2.i [2023-11-26 11:48:45,277 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:48:45,662 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:48:45,664 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0821e4e-ff59-4069-b77c-e91d844aaf7e/sv-benchmarks/c/ldv-regression/rule60_list2.i [2023-11-26 11:48:45,688 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0821e4e-ff59-4069-b77c-e91d844aaf7e/bin/uautomizer-verify-VRDe98Ueme/data/aa5b73287/2cfae31847b4412fb27c51c29afa3dbd/FLAG22549afbb [2023-11-26 11:48:45,707 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0821e4e-ff59-4069-b77c-e91d844aaf7e/bin/uautomizer-verify-VRDe98Ueme/data/aa5b73287/2cfae31847b4412fb27c51c29afa3dbd [2023-11-26 11:48:45,715 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:48:45,718 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:48:45,719 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:48:45,720 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:48:45,725 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:48:45,726 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:48:45" (1/1) ... [2023-11-26 11:48:45,728 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@635a4966 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:45, skipping insertion in model container [2023-11-26 11:48:45,728 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:48:45" (1/1) ... [2023-11-26 11:48:45,796 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:48:46,103 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:48:46,124 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:48:46,203 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:48:46,258 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:48:46,258 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:46 WrapperNode [2023-11-26 11:48:46,258 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:48:46,260 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:48:46,260 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:48:46,260 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:48:46,268 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:46" (1/1) ... [2023-11-26 11:48:46,302 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:46" (1/1) ... [2023-11-26 11:48:46,329 INFO L138 Inliner]: procedures = 126, calls = 20, calls flagged for inlining = 12, calls inlined = 20, statements flattened = 118 [2023-11-26 11:48:46,329 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:48:46,330 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:48:46,330 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:48:46,331 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:48:46,342 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:46" (1/1) ... [2023-11-26 11:48:46,343 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:46" (1/1) ... [2023-11-26 11:48:46,355 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:46" (1/1) ... [2023-11-26 11:48:46,375 INFO L175 MemorySlicer]: Split 4 memory accesses to 2 slices as follows [2, 2]. 50 percent of accesses are in the largest equivalence class. The 4 initializations are split as follows [2, 2]. The 0 writes are split as follows [0, 0]. [2023-11-26 11:48:46,376 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:46" (1/1) ... [2023-11-26 11:48:46,376 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:46" (1/1) ... [2023-11-26 11:48:46,382 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:46" (1/1) ... [2023-11-26 11:48:46,385 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:46" (1/1) ... [2023-11-26 11:48:46,386 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:46" (1/1) ... [2023-11-26 11:48:46,388 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:46" (1/1) ... [2023-11-26 11:48:46,391 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:48:46,392 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:48:46,392 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:48:46,393 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:48:46,394 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:46" (1/1) ... [2023-11-26 11:48:46,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:48:46,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0821e4e-ff59-4069-b77c-e91d844aaf7e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:46,434 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0821e4e-ff59-4069-b77c-e91d844aaf7e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:48:46,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0821e4e-ff59-4069-b77c-e91d844aaf7e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-26 11:48:46,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:48:46,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-26 11:48:46,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-26 11:48:46,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 11:48:46,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 11:48:46,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:48:46,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:48:46,611 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:48:46,614 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:48:46,820 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:48:46,832 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:48:46,839 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-26 11:48:46,841 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:48:46 BoogieIcfgContainer [2023-11-26 11:48:46,841 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:48:46,842 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-26 11:48:46,858 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-26 11:48:46,863 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-26 11:48:46,864 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:48:46,864 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.11 11:48:45" (1/3) ... [2023-11-26 11:48:46,865 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4350b336 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 11:48:46, skipping insertion in model container [2023-11-26 11:48:46,865 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:48:46,865 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:46" (2/3) ... [2023-11-26 11:48:46,866 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4350b336 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 11:48:46, skipping insertion in model container [2023-11-26 11:48:46,866 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:48:46,866 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:48:46" (3/3) ... [2023-11-26 11:48:46,868 INFO L332 chiAutomizerObserver]: Analyzing ICFG rule60_list2.i [2023-11-26 11:48:46,937 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-26 11:48:46,937 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-26 11:48:46,938 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-26 11:48:46,938 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-26 11:48:46,938 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-26 11:48:46,938 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-26 11:48:46,938 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-26 11:48:46,938 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-26 11:48:46,943 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 46 states, 45 states have (on average 1.2666666666666666) internal successors, (57), 45 states have internal predecessors, (57), 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 11:48:46,982 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-26 11:48:46,982 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-26 11:48:46,987 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.11 11:48:46 BoogieIcfgContainer [2023-11-26 11:48:46,987 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-26 11:48:46,988 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:48:46,988 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:48:46,989 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:48:46,989 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:48:46" (3/4) ... [2023-11-26 11:48:46,992 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 11:48:46,993 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:48:46,995 INFO L158 Benchmark]: Toolchain (without parser) took 1276.88ms. Allocated memory is still 169.9MB. Free memory was 122.3MB in the beginning and 137.7MB in the end (delta: -15.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:48:46,996 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 113.2MB. Free memory is still 62.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:48:47,001 INFO L158 Benchmark]: CACSL2BoogieTranslator took 539.68ms. Allocated memory is still 169.9MB. Free memory was 121.9MB in the beginning and 105.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-26 11:48:47,002 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.90ms. Allocated memory is still 169.9MB. Free memory was 104.8MB in the beginning and 102.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:48:47,003 INFO L158 Benchmark]: Boogie Preprocessor took 61.18ms. Allocated memory is still 169.9MB. Free memory was 102.7MB in the beginning and 100.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:48:47,004 INFO L158 Benchmark]: RCFGBuilder took 449.02ms. Allocated memory is still 169.9MB. Free memory was 100.6MB in the beginning and 86.3MB in the end (delta: 14.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-26 11:48:47,004 INFO L158 Benchmark]: BuchiAutomizer took 145.07ms. Allocated memory is still 169.9MB. Free memory was 86.2MB in the beginning and 137.7MB in the end (delta: -51.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:48:47,005 INFO L158 Benchmark]: Witness Printer took 5.11ms. Allocated memory is still 169.9MB. Free memory is still 137.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:48:47,011 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 113.2MB. Free memory is still 62.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 539.68ms. Allocated memory is still 169.9MB. Free memory was 121.9MB in the beginning and 105.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.90ms. Allocated memory is still 169.9MB. Free memory was 104.8MB in the beginning and 102.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.18ms. Allocated memory is still 169.9MB. Free memory was 102.7MB in the beginning and 100.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 449.02ms. Allocated memory is still 169.9MB. Free memory was 100.6MB in the beginning and 86.3MB in the end (delta: 14.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 145.07ms. Allocated memory is still 169.9MB. Free memory was 86.2MB in the beginning and 137.7MB in the end (delta: -51.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.11ms. Allocated memory is still 169.9MB. Free memory is still 137.7MB. 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 11:48:47,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0821e4e-ff59-4069-b77c-e91d844aaf7e/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