./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3cee33-7c4b-4660-a0ab-8226725bb4e2/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3cee33-7c4b-4660-a0ab-8226725bb4e2/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3cee33-7c4b-4660-a0ab-8226725bb4e2/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3cee33-7c4b-4660-a0ab-8226725bb4e2/bin/uautomizer-verify-aQ6SnzHsRB/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_ce3cee33-7c4b-4660-a0ab-8226725bb4e2/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3cee33-7c4b-4660-a0ab-8226725bb4e2/bin/uautomizer-verify-aQ6SnzHsRB --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-d790fec [2024-11-28 05:23:53,919 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 05:23:54,010 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3cee33-7c4b-4660-a0ab-8226725bb4e2/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-28 05:23:54,016 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 05:23:54,017 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 05:23:54,064 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 05:23:54,066 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 05:23:54,066 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 05:23:54,066 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 05:23:54,067 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 05:23:54,068 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 05:23:54,069 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 05:23:54,069 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 05:23:54,069 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-28 05:23:54,069 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-28 05:23:54,069 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-28 05:23:54,070 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-28 05:23:54,070 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-28 05:23:54,070 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-28 05:23:54,070 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 05:23:54,070 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-28 05:23:54,070 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 05:23:54,070 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 05:23:54,070 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 05:23:54,070 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 05:23:54,070 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-28 05:23:54,071 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-28 05:23:54,071 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-28 05:23:54,071 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 05:23:54,071 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 05:23:54,071 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 05:23:54,071 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-28 05:23:54,071 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 05:23:54,071 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 05:23:54,073 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 05:23:54,073 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:23:54,073 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 05:23:54,073 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-28 05:23:54,074 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-28 05:23:54,074 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_ce3cee33-7c4b-4660-a0ab-8226725bb4e2/bin/uautomizer-verify-aQ6SnzHsRB 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 [2024-11-28 05:23:54,505 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 05:23:54,521 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 05:23:54,524 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 05:23:54,526 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 05:23:54,526 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 05:23:54,529 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3cee33-7c4b-4660-a0ab-8226725bb4e2/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/loop-crafted/simple_array_index_value_1-2.i [2024-11-28 05:23:58,407 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3cee33-7c4b-4660-a0ab-8226725bb4e2/bin/uautomizer-verify-aQ6SnzHsRB/data/6142f45ef/7e64b208dce5483fb227ba22519e9b25/FLAGad8b1d5ef [2024-11-28 05:23:58,682 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 05:23:58,683 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3cee33-7c4b-4660-a0ab-8226725bb4e2/sv-benchmarks/c/loop-crafted/simple_array_index_value_1-2.i [2024-11-28 05:23:58,692 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3cee33-7c4b-4660-a0ab-8226725bb4e2/bin/uautomizer-verify-aQ6SnzHsRB/data/6142f45ef/7e64b208dce5483fb227ba22519e9b25/FLAGad8b1d5ef [2024-11-28 05:23:58,718 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3cee33-7c4b-4660-a0ab-8226725bb4e2/bin/uautomizer-verify-aQ6SnzHsRB/data/6142f45ef/7e64b208dce5483fb227ba22519e9b25 [2024-11-28 05:23:58,723 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 05:23:58,726 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 05:23:58,728 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 05:23:58,728 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 05:23:58,734 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 05:23:58,735 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:23:58" (1/1) ... [2024-11-28 05:23:58,739 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c7263b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:23:58, skipping insertion in model container [2024-11-28 05:23:58,740 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:23:58" (1/1) ... [2024-11-28 05:23:58,761 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 05:23:59,018 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:23:59,037 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 05:23:59,064 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:23:59,088 INFO L204 MainTranslator]: Completed translation [2024-11-28 05:23:59,089 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:23:59 WrapperNode [2024-11-28 05:23:59,089 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 05:23:59,090 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 05:23:59,090 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 05:23:59,090 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 05:23:59,099 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:23:59" (1/1) ... [2024-11-28 05:23:59,108 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:23:59" (1/1) ... [2024-11-28 05:23:59,133 INFO L138 Inliner]: procedures = 17, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 38 [2024-11-28 05:23:59,134 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 05:23:59,134 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 05:23:59,135 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 05:23:59,135 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 05:23:59,147 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:23:59" (1/1) ... [2024-11-28 05:23:59,148 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:23:59" (1/1) ... [2024-11-28 05:23:59,150 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:23:59" (1/1) ... [2024-11-28 05:23:59,171 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]. [2024-11-28 05:23:59,173 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:23:59" (1/1) ... [2024-11-28 05:23:59,173 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:23:59" (1/1) ... [2024-11-28 05:23:59,181 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:23:59" (1/1) ... [2024-11-28 05:23:59,186 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:23:59" (1/1) ... [2024-11-28 05:23:59,192 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:23:59" (1/1) ... [2024-11-28 05:23:59,195 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:23:59" (1/1) ... [2024-11-28 05:23:59,196 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:23:59" (1/1) ... [2024-11-28 05:23:59,202 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 05:23:59,203 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 05:23:59,203 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 05:23:59,203 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 05:23:59,204 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:23:59" (1/1) ... [2024-11-28 05:23:59,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:23:59,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3cee33-7c4b-4660-a0ab-8226725bb4e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:23:59,260 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3cee33-7c4b-4660-a0ab-8226725bb4e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:23:59,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3cee33-7c4b-4660-a0ab-8226725bb4e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-28 05:23:59,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 05:23:59,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 05:23:59,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 05:23:59,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 05:23:59,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 05:23:59,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 05:23:59,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 05:23:59,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 05:23:59,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 05:23:59,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 05:23:59,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 05:23:59,411 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 05:23:59,414 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 05:23:59,581 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-28 05:23:59,582 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 05:23:59,594 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 05:23:59,596 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 05:23:59,596 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:23:59 BoogieIcfgContainer [2024-11-28 05:23:59,597 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 05:23:59,598 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-28 05:23:59,598 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-28 05:23:59,606 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-28 05:23:59,607 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 05:23:59,608 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 05:23:58" (1/3) ... [2024-11-28 05:23:59,610 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7b236761 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 05:23:59, skipping insertion in model container [2024-11-28 05:23:59,611 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 05:23:59,611 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:23:59" (2/3) ... [2024-11-28 05:23:59,611 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7b236761 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 05:23:59, skipping insertion in model container [2024-11-28 05:23:59,612 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 05:23:59,612 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:23:59" (3/3) ... [2024-11-28 05:23:59,615 INFO L363 chiAutomizerObserver]: Analyzing ICFG simple_array_index_value_1-2.i [2024-11-28 05:23:59,691 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-28 05:23:59,691 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-28 05:23:59,691 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-28 05:23:59,692 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-28 05:23:59,692 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-28 05:23:59,692 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-28 05:23:59,692 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-28 05:23:59,692 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-28 05:23:59,699 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) [2024-11-28 05:23:59,719 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-28 05:23:59,719 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 05:23:59,720 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 05:23:59,725 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-28 05:23:59,726 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-28 05:23:59,726 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-28 05:23:59,726 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) [2024-11-28 05:23:59,728 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-28 05:23:59,728 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 05:23:59,728 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 05:23:59,729 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-28 05:23:59,729 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-28 05:23:59,738 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~mem2#1, main_#t~short3#1, main_~#array~0#1.base, main_~#array~0#1.offset, main_~index~0#1, main_~tmp~0#1;call main_~#array~0#1.base, main_~#array~0#1.offset := #Ultimate.allocOnStack(40000);main_~index~0#1 := 0;main_~tmp~0#1 := 0;" [2024-11-28 05:23:59,738 INFO L749 eck$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;" [2024-11-28 05:23:59,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:23:59,746 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-28 05:23:59,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 05:23:59,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275591876] [2024-11-28 05:23:59,760 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:23:59,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:23:59,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:23:59,879 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:23:59,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:23:59,920 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 05:23:59,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:23:59,924 INFO L85 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 1 times [2024-11-28 05:23:59,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 05:23:59,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902128249] [2024-11-28 05:23:59,924 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:23:59,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:23:59,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:23:59,959 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:23:59,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:23:59,983 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 05:23:59,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:23:59,986 INFO L85 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 1 times [2024-11-28 05:23:59,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 05:23:59,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573886262] [2024-11-28 05:23:59,987 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:23:59,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:24:00,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:24:00,037 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:24:00,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:24:00,080 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 05:24:00,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:24:00,763 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:24:00,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:24:00,817 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 05:24:00 BoogieIcfgContainer [2024-11-28 05:24:00,818 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-28 05:24:00,818 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 05:24:00,819 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 05:24:00,819 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 05:24:00,819 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:23:59" (3/4) ... [2024-11-28 05:24:00,822 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-28 05:24:00,860 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3cee33-7c4b-4660-a0ab-8226725bb4e2/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 05:24:00,860 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 05:24:00,862 INFO L158 Benchmark]: Toolchain (without parser) took 2136.04ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 85.0MB in the end (delta: 6.5MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2024-11-28 05:24:00,862 INFO L158 Benchmark]: CDTParser took 0.57ms. Allocated memory is still 83.9MB. Free memory is still 39.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:24:00,866 INFO L158 Benchmark]: CACSL2BoogieTranslator took 362.32ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 80.7MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 05:24:00,866 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.89ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 79.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:24:00,867 INFO L158 Benchmark]: Boogie Preprocessor took 67.69ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 78.0MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 05:24:00,867 INFO L158 Benchmark]: RCFGBuilder took 393.89ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 68.2MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 05:24:00,867 INFO L158 Benchmark]: BuchiAutomizer took 1219.89ms. Allocated memory is still 117.4MB. Free memory was 68.2MB in the beginning and 87.1MB in the end (delta: -18.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:24:00,868 INFO L158 Benchmark]: Witness Printer took 41.68ms. Allocated memory is still 117.4MB. Free memory was 87.1MB in the beginning and 85.0MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:24:00,873 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57ms. Allocated memory is still 83.9MB. Free memory is still 39.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 362.32ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 80.7MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.89ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 79.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 67.69ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 78.0MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 393.89ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 68.2MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1219.89ms. Allocated memory is still 117.4MB. Free memory was 68.2MB in the beginning and 87.1MB in the end (delta: -18.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 41.68ms. Allocated memory is still 117.4MB. Free memory was 87.1MB in the beginning and 85.0MB in the end (delta: 2.1MB). 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 1.1s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. 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: 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! [2024-11-28 05:24:00,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3cee33-7c4b-4660-a0ab-8226725bb4e2/bin/uautomizer-verify-aQ6SnzHsRB/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)