./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 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6997aa53-fefc-47e5-ab09-51fee39ad9da/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6997aa53-fefc-47e5-ab09-51fee39ad9da/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6997aa53-fefc-47e5-ab09-51fee39ad9da/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6997aa53-fefc-47e5-ab09-51fee39ad9da/bin/uautomizer-verify-LYvppIcaGC/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_6997aa53-fefc-47e5-ab09-51fee39ad9da/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6997aa53-fefc-47e5-ab09-51fee39ad9da/bin/uautomizer-verify-LYvppIcaGC --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 0.3.0-dev-6497de0 [2024-11-24 01:04:40,615 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:04:40,716 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6997aa53-fefc-47e5-ab09-51fee39ad9da/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-24 01:04:40,722 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:04:40,723 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:04:40,769 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:04:40,770 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:04:40,770 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:04:40,771 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:04:40,773 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:04:40,774 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:04:40,775 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:04:40,775 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:04:40,775 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-24 01:04:40,776 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-24 01:04:40,776 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-24 01:04:40,776 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-24 01:04:40,776 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-24 01:04:40,777 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-24 01:04:40,777 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:04:40,777 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-24 01:04:40,777 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:04:40,777 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:04:40,777 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:04:40,778 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:04:40,778 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-24 01:04:40,778 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-24 01:04:40,778 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-24 01:04:40,778 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 01:04:40,778 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:04:40,778 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:04:40,779 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-24 01:04:40,779 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:04:40,780 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:04:40,780 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:04:40,780 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:04:40,780 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:04:40,781 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-24 01:04:40,781 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-24 01:04:40,781 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_6997aa53-fefc-47e5-ab09-51fee39ad9da/bin/uautomizer-verify-LYvppIcaGC 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 [2024-11-24 01:04:41,153 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:04:41,164 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:04:41,169 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:04:41,171 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:04:41,172 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:04:41,175 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6997aa53-fefc-47e5-ab09-51fee39ad9da/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/loop-crafted/simple_array_index_value_1-2.i [2024-11-24 01:04:44,607 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6997aa53-fefc-47e5-ab09-51fee39ad9da/bin/uautomizer-verify-LYvppIcaGC/data/c105ae7b1/de3efe63225f4268868615c692bfeef0/FLAGb0389b8f3 [2024-11-24 01:04:44,947 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:04:44,948 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6997aa53-fefc-47e5-ab09-51fee39ad9da/sv-benchmarks/c/loop-crafted/simple_array_index_value_1-2.i [2024-11-24 01:04:44,959 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6997aa53-fefc-47e5-ab09-51fee39ad9da/bin/uautomizer-verify-LYvppIcaGC/data/c105ae7b1/de3efe63225f4268868615c692bfeef0/FLAGb0389b8f3 [2024-11-24 01:04:44,978 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6997aa53-fefc-47e5-ab09-51fee39ad9da/bin/uautomizer-verify-LYvppIcaGC/data/c105ae7b1/de3efe63225f4268868615c692bfeef0 [2024-11-24 01:04:44,981 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:04:44,982 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:04:44,984 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:04:44,985 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:04:44,990 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:04:44,991 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:04:44" (1/1) ... [2024-11-24 01:04:44,992 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23c50c47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:04:44, skipping insertion in model container [2024-11-24 01:04:44,993 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:04:44" (1/1) ... [2024-11-24 01:04:45,014 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:04:45,250 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:04:45,264 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:04:45,285 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:04:45,305 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:04:45,306 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:04:45 WrapperNode [2024-11-24 01:04:45,307 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:04:45,308 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:04:45,308 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:04:45,308 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:04:45,315 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:04:45" (1/1) ... [2024-11-24 01:04:45,322 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:04:45" (1/1) ... [2024-11-24 01:04:45,345 INFO L138 Inliner]: procedures = 17, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 38 [2024-11-24 01:04:45,345 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:04:45,346 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:04:45,347 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:04:45,348 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:04:45,357 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:04:45" (1/1) ... [2024-11-24 01:04:45,358 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:04:45" (1/1) ... [2024-11-24 01:04:45,359 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:04:45" (1/1) ... [2024-11-24 01:04:45,379 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]. [2024-11-24 01:04:45,379 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:04:45" (1/1) ... [2024-11-24 01:04:45,379 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:04:45" (1/1) ... [2024-11-24 01:04:45,389 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:04:45" (1/1) ... [2024-11-24 01:04:45,390 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:04:45" (1/1) ... [2024-11-24 01:04:45,398 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:04:45" (1/1) ... [2024-11-24 01:04:45,403 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:04:45" (1/1) ... [2024-11-24 01:04:45,404 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:04:45" (1/1) ... [2024-11-24 01:04:45,405 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:04:45,407 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:04:45,408 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:04:45,408 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:04:45,409 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:04:45" (1/1) ... [2024-11-24 01:04:45,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 01:04:45,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6997aa53-fefc-47e5-ab09-51fee39ad9da/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:04:45,450 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6997aa53-fefc-47e5-ab09-51fee39ad9da/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 01:04:45,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6997aa53-fefc-47e5-ab09-51fee39ad9da/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-24 01:04:45,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:04:45,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 01:04:45,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-24 01:04:45,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 01:04:45,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-24 01:04:45,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-24 01:04:45,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:04:45,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:04:45,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-24 01:04:45,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-24 01:04:45,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 01:04:45,569 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:04:45,571 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:04:45,704 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-24 01:04:45,704 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:04:45,713 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:04:45,713 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 01:04:45,714 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:04:45 BoogieIcfgContainer [2024-11-24 01:04:45,714 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:04:45,715 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-24 01:04:45,715 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-24 01:04:45,721 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-24 01:04:45,722 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 01:04:45,722 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 24.11 01:04:44" (1/3) ... [2024-11-24 01:04:45,724 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@32bb6b22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.11 01:04:45, skipping insertion in model container [2024-11-24 01:04:45,724 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 01:04:45,724 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:04:45" (2/3) ... [2024-11-24 01:04:45,725 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@32bb6b22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.11 01:04:45, skipping insertion in model container [2024-11-24 01:04:45,725 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 01:04:45,725 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:04:45" (3/3) ... [2024-11-24 01:04:45,726 INFO L363 chiAutomizerObserver]: Analyzing ICFG simple_array_index_value_1-2.i [2024-11-24 01:04:45,793 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-24 01:04:45,794 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-24 01:04:45,795 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-24 01:04:45,795 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-24 01:04:45,796 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-24 01:04:45,796 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-24 01:04:45,796 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-24 01:04:45,796 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-24 01:04:45,800 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) [2024-11-24 01:04:45,817 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-24 01:04:45,817 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 01:04:45,817 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 01:04:45,821 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-24 01:04:45,821 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-24 01:04:45,821 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-24 01:04:45,821 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) [2024-11-24 01:04:45,822 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-24 01:04:45,823 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 01:04:45,823 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 01:04:45,823 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-24 01:04:45,823 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-24 01:04:45,828 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~mem2#1, main_#t~short3#1, main_~#array~0#1.base, main_~#array~0#1.offset, main_~index~0#1, main_~tmp~0#1;call main_~#array~0#1.base, main_~#array~0#1.offset := #Ultimate.allocOnStack(40000);main_~index~0#1 := 0;main_~tmp~0#1 := 0;" [2024-11-24 01:04:45,829 INFO L749 eck$LassoCheckResult]: Loop: "havoc main_#t~nondet1#1;main_~index~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" "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;" [2024-11-24 01:04:45,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:04:45,833 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-24 01:04:45,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 01:04:45,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787717335] [2024-11-24 01:04:45,840 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:04:45,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:04:45,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:04:45,923 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:04:45,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:04:45,960 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 01:04:45,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:04:45,970 INFO L85 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 1 times [2024-11-24 01:04:45,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 01:04:45,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843737036] [2024-11-24 01:04:45,970 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:04:45,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:04:45,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:04:45,991 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:04:46,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:04:46,009 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 01:04:46,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:04:46,012 INFO L85 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 1 times [2024-11-24 01:04:46,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 01:04:46,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711029734] [2024-11-24 01:04:46,012 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:04:46,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:04:46,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:04:46,045 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:04:46,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:04:46,086 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 01:04:46,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:04:46,602 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:04:46,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:04:46,633 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 24.11 01:04:46 BoogieIcfgContainer [2024-11-24 01:04:46,633 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-24 01:04:46,634 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 01:04:46,635 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 01:04:46,635 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 01:04:46,636 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:04:45" (3/4) ... [2024-11-24 01:04:46,637 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-24 01:04:46,676 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6997aa53-fefc-47e5-ab09-51fee39ad9da/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-24 01:04:46,676 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 01:04:46,678 INFO L158 Benchmark]: Toolchain (without parser) took 1694.99ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 55.5MB in the end (delta: 61.3MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-24 01:04:46,678 INFO L158 Benchmark]: CDTParser took 0.85ms. Allocated memory is still 117.4MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:04:46,678 INFO L158 Benchmark]: CACSL2BoogieTranslator took 323.13ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 105.1MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:04:46,679 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.99ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 104.2MB in the end (delta: 985.7kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:04:46,679 INFO L158 Benchmark]: Boogie Preprocessor took 59.82ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 102.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:04:46,680 INFO L158 Benchmark]: RCFGBuilder took 306.49ms. Allocated memory is still 142.6MB. Free memory was 102.7MB in the beginning and 92.7MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:04:46,680 INFO L158 Benchmark]: BuchiAutomizer took 918.37ms. Allocated memory is still 142.6MB. Free memory was 92.3MB in the beginning and 57.6MB in the end (delta: 34.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-24 01:04:46,681 INFO L158 Benchmark]: Witness Printer took 42.31ms. Allocated memory is still 142.6MB. Free memory was 57.2MB in the beginning and 55.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:04:46,683 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.85ms. Allocated memory is still 117.4MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 323.13ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 105.1MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.99ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 104.2MB in the end (delta: 985.7kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.82ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 102.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 306.49ms. Allocated memory is still 142.6MB. Free memory was 102.7MB in the beginning and 92.7MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 918.37ms. Allocated memory is still 142.6MB. Free memory was 92.3MB in the beginning and 57.6MB in the end (delta: 34.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 42.31ms. Allocated memory is still 142.6MB. Free memory was 57.2MB in the beginning and 55.5MB in the end (delta: 1.7MB). 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 into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.8s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.7s. 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: [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: [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! [2024-11-24 01:04:46,702 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6997aa53-fefc-47e5-ab09-51fee39ad9da/bin/uautomizer-verify-LYvppIcaGC/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)