./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-crafted/simple_array_index_value_1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4fc63b2a 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_2f3650ed-7c02-46fe-8b6d-2ae5c48e7b72/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3650ed-7c02-46fe-8b6d-2ae5c48e7b72/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3650ed-7c02-46fe-8b6d-2ae5c48e7b72/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3650ed-7c02-46fe-8b6d-2ae5c48e7b72/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-crafted/simple_array_index_value_1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3650ed-7c02-46fe-8b6d-2ae5c48e7b72/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3650ed-7c02-46fe-8b6d-2ae5c48e7b72/bin/uautomizer-verify-4GaUIPS5ZU --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 d092867a9e1055748d4525b336ea1f27e78b14112d4f5a890867dcf4a9fe862b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:03:54,742 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:03:54,844 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3650ed-7c02-46fe-8b6d-2ae5c48e7b72/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-10-31 22:03:54,854 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:03:54,855 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:03:54,892 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:03:54,894 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:03:54,895 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:03:54,895 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:03:54,897 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:03:54,898 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:03:54,899 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:03:54,899 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:03:54,900 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-31 22:03:54,902 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-31 22:03:54,903 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-31 22:03:54,903 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-31 22:03:54,904 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-31 22:03:54,904 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-31 22:03:54,908 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:03:54,908 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-31 22:03:54,909 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:03:54,909 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:03:54,910 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:03:54,910 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:03:54,910 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-31 22:03:54,911 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-31 22:03:54,911 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-31 22:03:54,911 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:03:54,912 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:03:54,913 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:03:54,914 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:03:54,914 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-31 22:03:54,914 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:03:54,915 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:03:54,915 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:03:54,915 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:03:54,916 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:03:54,916 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-31 22:03:54,917 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_2f3650ed-7c02-46fe-8b6d-2ae5c48e7b72/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3650ed-7c02-46fe-8b6d-2ae5c48e7b72/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d092867a9e1055748d4525b336ea1f27e78b14112d4f5a890867dcf4a9fe862b [2024-10-31 22:03:55,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:03:55,198 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:03:55,200 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:03:55,202 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:03:55,203 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:03:55,204 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3650ed-7c02-46fe-8b6d-2ae5c48e7b72/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/loop-crafted/simple_array_index_value_1-2.i Unable to find full path for "g++" [2024-10-31 22:03:57,267 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:03:57,516 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:03:57,516 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3650ed-7c02-46fe-8b6d-2ae5c48e7b72/sv-benchmarks/c/loop-crafted/simple_array_index_value_1-2.i [2024-10-31 22:03:57,526 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3650ed-7c02-46fe-8b6d-2ae5c48e7b72/bin/uautomizer-verify-4GaUIPS5ZU/data/2e234a6da/379ce92345344167a902d1c5a57367e0/FLAG904da84b8 [2024-10-31 22:03:57,550 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3650ed-7c02-46fe-8b6d-2ae5c48e7b72/bin/uautomizer-verify-4GaUIPS5ZU/data/2e234a6da/379ce92345344167a902d1c5a57367e0 [2024-10-31 22:03:57,554 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:03:57,559 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:03:57,560 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:03:57,561 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:03:57,568 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:03:57,568 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:03:57" (1/1) ... [2024-10-31 22:03:57,570 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d9ca04f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:57, skipping insertion in model container [2024-10-31 22:03:57,570 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:03:57" (1/1) ... [2024-10-31 22:03:57,595 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:03:57,848 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:03:57,862 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:03:57,880 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:03:57,901 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:03:57,902 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:57 WrapperNode [2024-10-31 22:03:57,902 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:03:57,904 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:03:57,904 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:03:57,904 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:03:57,912 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:57" (1/1) ... [2024-10-31 22:03:57,920 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:57" (1/1) ... [2024-10-31 22:03:57,937 INFO L138 Inliner]: procedures = 17, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 39 [2024-10-31 22:03:57,938 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:03:57,938 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:03:57,939 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:03:57,939 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:03:57,951 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:57" (1/1) ... [2024-10-31 22:03:57,951 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:57" (1/1) ... [2024-10-31 22:03:57,953 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:57" (1/1) ... [2024-10-31 22:03:57,966 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 2 initializations are split as follows [2, 0]. The 1 writes are split as follows [0, 1]. [2024-10-31 22:03:57,967 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:57" (1/1) ... [2024-10-31 22:03:57,967 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:57" (1/1) ... [2024-10-31 22:03:57,972 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:57" (1/1) ... [2024-10-31 22:03:57,975 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:57" (1/1) ... [2024-10-31 22:03:57,976 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:57" (1/1) ... [2024-10-31 22:03:57,977 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:57" (1/1) ... [2024-10-31 22:03:57,979 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:03:57,980 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:03:57,981 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:03:57,981 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:03:57,982 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:57" (1/1) ... [2024-10-31 22:03:57,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:03:58,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3650ed-7c02-46fe-8b6d-2ae5c48e7b72/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:58,021 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3650ed-7c02-46fe-8b6d-2ae5c48e7b72/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:58,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3650ed-7c02-46fe-8b6d-2ae5c48e7b72/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-10-31 22:03:58,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:03:58,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:03:58,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 22:03:58,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 22:03:58,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 22:03:58,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 22:03:58,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:03:58,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:03:58,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 22:03:58,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 22:03:58,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:03:58,151 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:03:58,156 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:03:58,329 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-10-31 22:03:58,329 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:03:58,345 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:03:58,346 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:03:58,346 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:03:58 BoogieIcfgContainer [2024-10-31 22:03:58,347 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:03:58,348 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-31 22:03:58,348 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-31 22:03:58,353 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-31 22:03:58,354 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:03:58,355 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.10 10:03:57" (1/3) ... [2024-10-31 22:03:58,356 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@475fecf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 10:03:58, skipping insertion in model container [2024-10-31 22:03:58,356 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:03:58,356 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:57" (2/3) ... [2024-10-31 22:03:58,357 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@475fecf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 10:03:58, skipping insertion in model container [2024-10-31 22:03:58,357 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:03:58,377 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:03:58" (3/3) ... [2024-10-31 22:03:58,380 INFO L332 chiAutomizerObserver]: Analyzing ICFG simple_array_index_value_1-2.i [2024-10-31 22:03:58,456 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-31 22:03:58,456 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-31 22:03:58,457 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-31 22:03:58,457 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-31 22:03:58,457 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-31 22:03:58,457 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-31 22:03:58,457 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-31 22:03:58,457 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-31 22:03:58,462 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:58,488 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-31 22:03:58,488 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:03:58,488 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:03:58,493 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-31 22:03:58,493 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 22:03:58,493 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-31 22:03:58,493 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:58,495 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-31 22:03:58,495 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:03:58,495 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:03:58,495 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-31 22:03:58,496 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 22:03:58,503 INFO L745 eck$LassoCheckResult]: Stem: 14#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2); 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~mem2#1, main_#t~short3#1, main_~#array~0#1.base, main_~#array~0#1.offset, main_~index~0#1, main_~tmp~0#1;call main_~#array~0#1.base, main_~#array~0#1.offset := #Ultimate.allocOnStack(40000);main_~index~0#1 := 0;main_~tmp~0#1 := 0; 12#L39-2true [2024-10-31 22:03:58,504 INFO L747 eck$LassoCheckResult]: Loop: 12#L39-2true assume !false;havoc main_#t~nondet1#1;main_~index~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 9#L41true assume !(main_~index~0#1 % 4294967296 >= 10000);call write~int#1(main_~index~0#1, main_~#array~0#1.base, main_~#array~0#1.offset + 4 * (if main_~index~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~index~0#1 % 4294967296 % 4294967296 else main_~index~0#1 % 4294967296 % 4294967296 - 4294967296), 4);main_~tmp~0#1 := main_~index~0#1; 12#L39-2true [2024-10-31 22:03:58,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:58,510 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-10-31 22:03:58,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:58,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692454617] [2024-10-31 22:03:58,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:58,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:58,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:03:58,633 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:03:58,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:03:58,683 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:03:58,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:58,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 1 times [2024-10-31 22:03:58,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:58,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513077156] [2024-10-31 22:03:58,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:58,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:58,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:03:58,752 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:03:58,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:03:58,774 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:03:58,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:58,784 INFO L85 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 1 times [2024-10-31 22:03:58,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:58,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198307402] [2024-10-31 22:03:58,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:58,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:58,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:03:58,835 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:03:58,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:03:58,871 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:03:59,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:03:59,445 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:03:59,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:03:59,477 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 31.10 10:03:59 BoogieIcfgContainer [2024-10-31 22:03:59,477 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-31 22:03:59,478 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:03:59,478 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:03:59,478 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:03:59,479 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:03:58" (3/4) ... [2024-10-31 22:03:59,482 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-10-31 22:03:59,517 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3650ed-7c02-46fe-8b6d-2ae5c48e7b72/bin/uautomizer-verify-4GaUIPS5ZU/witness.graphml [2024-10-31 22:03:59,517 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:03:59,519 INFO L158 Benchmark]: Toolchain (without parser) took 1959.21ms. Allocated memory was 136.3MB in the beginning and 186.6MB in the end (delta: 50.3MB). Free memory was 95.1MB in the beginning and 120.2MB in the end (delta: -25.1MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. [2024-10-31 22:03:59,520 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 136.3MB. Free memory is still 80.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:03:59,520 INFO L158 Benchmark]: CACSL2BoogieTranslator took 342.37ms. Allocated memory is still 136.3MB. Free memory was 95.1MB in the beginning and 82.8MB in the end (delta: 12.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-31 22:03:59,521 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.33ms. Allocated memory is still 136.3MB. Free memory was 82.8MB in the beginning and 81.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:03:59,522 INFO L158 Benchmark]: Boogie Preprocessor took 41.26ms. Allocated memory is still 136.3MB. Free memory was 81.3MB in the beginning and 79.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:03:59,522 INFO L158 Benchmark]: RCFGBuilder took 366.39ms. Allocated memory is still 136.3MB. Free memory was 79.2MB in the beginning and 68.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-31 22:03:59,523 INFO L158 Benchmark]: BuchiAutomizer took 1129.64ms. Allocated memory was 136.3MB in the beginning and 186.6MB in the end (delta: 50.3MB). Free memory was 68.5MB in the beginning and 122.3MB in the end (delta: -53.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:03:59,524 INFO L158 Benchmark]: Witness Printer took 39.14ms. Allocated memory is still 186.6MB. Free memory was 122.3MB in the beginning and 120.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:03:59,533 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 136.3MB. Free memory is still 80.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 342.37ms. Allocated memory is still 136.3MB. Free memory was 95.1MB in the beginning and 82.8MB in the end (delta: 12.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.33ms. Allocated memory is still 136.3MB. Free memory was 82.8MB in the beginning and 81.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.26ms. Allocated memory is still 136.3MB. Free memory was 81.3MB in the beginning and 79.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 366.39ms. Allocated memory is still 136.3MB. Free memory was 79.2MB in the beginning and 68.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 1129.64ms. Allocated memory was 136.3MB in the beginning and 186.6MB in the end (delta: 50.3MB). Free memory was 68.5MB in the beginning and 122.3MB in the end (delta: -53.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 39.14ms. Allocated memory is still 186.6MB. Free memory was 122.3MB in the beginning and 120.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.0s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. 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: nont1 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: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 39]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L35] unsigned int array[10000]; [L36] unsigned int index = 0; [L37] unsigned int tmp = 0; VAL [array={24195:0}, tmp=0] Loop: [L39] COND TRUE 1 [L40] index = __VERIFIER_nondet_uint() [L41] COND FALSE !(index >= 10000) [L44] array[index] = index [L45] tmp = index End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 39]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L35] unsigned int array[10000]; [L36] unsigned int index = 0; [L37] unsigned int tmp = 0; VAL [array={24195:0}, tmp=0] Loop: [L39] COND TRUE 1 [L40] index = __VERIFIER_nondet_uint() [L41] COND FALSE !(index >= 10000) [L44] array[index] = index [L45] tmp = index End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-10-31 22:03:59,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3650ed-7c02-46fe-8b6d-2ae5c48e7b72/bin/uautomizer-verify-4GaUIPS5ZU/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)