./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex3.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79bd301d-694f-4f51-90d2-3105b3d17b51/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79bd301d-694f-4f51-90d2-3105b3d17b51/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_79bd301d-694f-4f51-90d2-3105b3d17b51/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79bd301d-694f-4f51-90d2-3105b3d17b51/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79bd301d-694f-4f51-90d2-3105b3d17b51/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79bd301d-694f-4f51-90d2-3105b3d17b51/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash aab554f69da132932fe6c9f9ba152534b5f1c86cbd2c747f8c8ef14210bfbda8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 18:26:42,786 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 18:26:42,855 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79bd301d-694f-4f51-90d2-3105b3d17b51/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-23 18:26:42,861 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 18:26:42,861 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 18:26:42,884 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 18:26:42,884 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 18:26:42,885 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 18:26:42,885 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 18:26:42,885 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 18:26:42,885 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 18:26:42,885 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 18:26:42,886 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 18:26:42,886 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 18:26:42,886 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 18:26:42,886 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 18:26:42,886 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 18:26:42,886 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 18:26:42,886 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 18:26:42,887 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 18:26:42,887 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 18:26:42,887 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 18:26:42,887 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-23 18:26:42,887 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 18:26:42,887 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 18:26:42,887 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 18:26:42,888 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 18:26:42,888 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 18:26:42,888 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:26:42,888 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:26:42,888 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:26:42,888 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:26:42,889 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 18:26:42,889 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:26:42,889 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:26:42,889 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:26:42,889 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:26:42,889 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 18:26:42,889 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 18:26:42,890 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 18:26:42,890 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 18:26:42,890 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 18:26:42,890 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 18:26:42,890 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 18:26:42,890 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 18:26:42,890 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 18:26:42,890 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 18:26:42,891 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_79bd301d-694f-4f51-90d2-3105b3d17b51/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(G ! overflow) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aab554f69da132932fe6c9f9ba152534b5f1c86cbd2c747f8c8ef14210bfbda8 [2024-11-23 18:26:43,234 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 18:26:43,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 18:26:43,252 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 18:26:43,255 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 18:26:43,256 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 18:26:43,258 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79bd301d-694f-4f51-90d2-3105b3d17b51/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex3.c [2024-11-23 18:26:46,692 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79bd301d-694f-4f51-90d2-3105b3d17b51/bin/uautomizer-verify-LYvppIcaGC/data/f704b8b67/9640f41298a541eab105825e3326c6c2/FLAG1179e8925 [2024-11-23 18:26:47,013 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 18:26:47,014 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79bd301d-694f-4f51-90d2-3105b3d17b51/sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex3.c [2024-11-23 18:26:47,025 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79bd301d-694f-4f51-90d2-3105b3d17b51/bin/uautomizer-verify-LYvppIcaGC/data/f704b8b67/9640f41298a541eab105825e3326c6c2/FLAG1179e8925 [2024-11-23 18:26:47,058 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79bd301d-694f-4f51-90d2-3105b3d17b51/bin/uautomizer-verify-LYvppIcaGC/data/f704b8b67/9640f41298a541eab105825e3326c6c2 [2024-11-23 18:26:47,061 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 18:26:47,064 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 18:26:47,067 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 18:26:47,067 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 18:26:47,073 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 18:26:47,074 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:26:47" (1/1) ... [2024-11-23 18:26:47,077 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74bda586 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:26:47, skipping insertion in model container [2024-11-23 18:26:47,078 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:26:47" (1/1) ... [2024-11-23 18:26:47,097 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 18:26:47,280 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:26:47,286 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 18:26:47,299 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:26:47,314 INFO L204 MainTranslator]: Completed translation [2024-11-23 18:26:47,315 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:26:47 WrapperNode [2024-11-23 18:26:47,315 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 18:26:47,317 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 18:26:47,317 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 18:26:47,317 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 18:26:47,329 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:26:47" (1/1) ... [2024-11-23 18:26:47,335 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:26:47" (1/1) ... [2024-11-23 18:26:47,356 INFO L138 Inliner]: procedures = 5, calls = 6, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 16 [2024-11-23 18:26:47,357 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 18:26:47,360 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 18:26:47,360 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 18:26:47,360 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 18:26:47,370 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:26:47" (1/1) ... [2024-11-23 18:26:47,371 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:26:47" (1/1) ... [2024-11-23 18:26:47,371 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:26:47" (1/1) ... [2024-11-23 18:26:47,380 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-23 18:26:47,382 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:26:47" (1/1) ... [2024-11-23 18:26:47,383 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:26:47" (1/1) ... [2024-11-23 18:26:47,389 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:26:47" (1/1) ... [2024-11-23 18:26:47,390 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:26:47" (1/1) ... [2024-11-23 18:26:47,394 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:26:47" (1/1) ... [2024-11-23 18:26:47,398 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:26:47" (1/1) ... [2024-11-23 18:26:47,399 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:26:47" (1/1) ... [2024-11-23 18:26:47,401 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 18:26:47,402 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 18:26:47,405 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 18:26:47,405 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 18:26:47,406 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:26:47" (1/1) ... [2024-11-23 18:26:47,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:26:47,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79bd301d-694f-4f51-90d2-3105b3d17b51/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:26:47,456 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79bd301d-694f-4f51-90d2-3105b3d17b51/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 18:26:47,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79bd301d-694f-4f51-90d2-3105b3d17b51/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 18:26:47,507 INFO L130 BoogieDeclarations]: Found specification of procedure a [2024-11-23 18:26:47,507 INFO L138 BoogieDeclarations]: Found implementation of procedure a [2024-11-23 18:26:47,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 18:26:47,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 18:26:47,575 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 18:26:47,577 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 18:26:47,798 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-23 18:26:47,799 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 18:26:47,810 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 18:26:47,810 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-23 18:26:47,811 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:26:47 BoogieIcfgContainer [2024-11-23 18:26:47,811 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 18:26:47,814 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 18:26:47,814 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 18:26:47,820 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 18:26:47,820 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:26:47" (1/3) ... [2024-11-23 18:26:47,821 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ce7b5fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:26:47, skipping insertion in model container [2024-11-23 18:26:47,821 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:26:47" (2/3) ... [2024-11-23 18:26:47,822 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ce7b5fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:26:47, skipping insertion in model container [2024-11-23 18:26:47,822 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:26:47" (3/3) ... [2024-11-23 18:26:47,823 INFO L128 eAbstractionObserver]: Analyzing ICFG LeeJonesBen-Amram-POPL2001-Ex3.c [2024-11-23 18:26:47,842 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 18:26:47,844 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG LeeJonesBen-Amram-POPL2001-Ex3.c that has 2 procedures, 36 locations, 1 initial locations, 0 loop locations, and 8 error locations. [2024-11-23 18:26:47,901 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 18:26:47,915 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6f41d64, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 18:26:47,915 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-23 18:26:47,919 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 22 states have (on average 1.5) internal successors, (33), 30 states have internal predecessors, (33), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-23 18:26:47,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-23 18:26:47,926 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:26:47,927 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:26:47,927 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting aErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [aErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, aErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, aErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, aErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 4 more)] === [2024-11-23 18:26:47,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:26:47,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1087297486, now seen corresponding path program 1 times [2024-11-23 18:26:47,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:26:47,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395708544] [2024-11-23 18:26:47,942 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:26:47,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:26:48,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:26:48,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:26:48,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:26:48,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395708544] [2024-11-23 18:26:48,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395708544] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:26:48,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:26:48,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 18:26:48,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123257178] [2024-11-23 18:26:48,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:26:48,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:26:48,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:26:48,266 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:26:48,267 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:26:48,269 INFO L87 Difference]: Start difference. First operand has 36 states, 22 states have (on average 1.5) internal successors, (33), 30 states have internal predecessors, (33), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 5 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 18:26:48,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:26:48,503 INFO L93 Difference]: Finished difference Result 68 states and 83 transitions. [2024-11-23 18:26:48,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 18:26:48,506 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-23 18:26:48,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:26:48,515 INFO L225 Difference]: With dead ends: 68 [2024-11-23 18:26:48,515 INFO L226 Difference]: Without dead ends: 59 [2024-11-23 18:26:48,519 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:26:48,523 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 46 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 18:26:48,524 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 114 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 18:26:48,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-11-23 18:26:48,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 49. [2024-11-23 18:26:48,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 33 states have (on average 1.5151515151515151) internal successors, (50), 40 states have internal predecessors, (50), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-23 18:26:48,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 63 transitions. [2024-11-23 18:26:48,593 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 63 transitions. Word has length 7 [2024-11-23 18:26:48,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:26:48,593 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 63 transitions. [2024-11-23 18:26:48,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 18:26:48,596 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2024-11-23 18:26:48,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-23 18:26:48,596 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:26:48,596 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:26:48,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 18:26:48,597 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting aErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [aErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, aErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, aErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, aErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 4 more)] === [2024-11-23 18:26:48,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:26:48,598 INFO L85 PathProgramCache]: Analyzing trace with hash -653516265, now seen corresponding path program 1 times [2024-11-23 18:26:48,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:26:48,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295433838] [2024-11-23 18:26:48,598 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:26:48,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:26:48,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:26:48,620 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 18:26:48,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:26:48,667 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 18:26:48,667 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 18:26:48,669 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location aErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2024-11-23 18:26:48,675 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location aErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2024-11-23 18:26:48,678 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location aErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-11-23 18:26:48,679 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location aErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-11-23 18:26:48,679 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location aErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-11-23 18:26:48,679 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location aErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-11-23 18:26:48,679 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location aErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-11-23 18:26:48,680 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location aErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-11-23 18:26:48,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 18:26:48,687 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-23 18:26:48,710 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 18:26:48,718 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 06:26:48 BoogieIcfgContainer [2024-11-23 18:26:48,718 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 18:26:48,719 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 18:26:48,719 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 18:26:48,719 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 18:26:48,720 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:26:47" (3/4) ... [2024-11-23 18:26:48,721 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-23 18:26:48,764 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 4. [2024-11-23 18:26:48,813 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79bd301d-694f-4f51-90d2-3105b3d17b51/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-23 18:26:48,813 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79bd301d-694f-4f51-90d2-3105b3d17b51/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-23 18:26:48,813 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 18:26:48,814 INFO L158 Benchmark]: Toolchain (without parser) took 1750.27ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 40.0MB in the end (delta: 52.9MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-23 18:26:48,814 INFO L158 Benchmark]: CDTParser took 0.80ms. Allocated memory is still 117.4MB. Free memory was 74.6MB in the beginning and 74.4MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:26:48,815 INFO L158 Benchmark]: CACSL2BoogieTranslator took 248.97ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 82.8MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 18:26:48,816 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.38ms. Allocated memory is still 117.4MB. Free memory was 82.8MB in the beginning and 81.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:26:48,816 INFO L158 Benchmark]: Boogie Preprocessor took 41.32ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 81.1MB in the end (delta: 716.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:26:48,817 INFO L158 Benchmark]: RCFGBuilder took 409.61ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 70.7MB in the end (delta: 10.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 18:26:48,817 INFO L158 Benchmark]: TraceAbstraction took 904.28ms. Allocated memory is still 117.4MB. Free memory was 70.0MB in the beginning and 43.9MB in the end (delta: 26.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-23 18:26:48,817 INFO L158 Benchmark]: Witness Printer took 94.34ms. Allocated memory is still 117.4MB. Free memory was 43.9MB in the beginning and 40.0MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:26:48,823 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.80ms. Allocated memory is still 117.4MB. Free memory was 74.6MB in the beginning and 74.4MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 248.97ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 82.8MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.38ms. Allocated memory is still 117.4MB. Free memory was 82.8MB in the beginning and 81.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.32ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 81.1MB in the end (delta: 716.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 409.61ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 70.7MB in the end (delta: 10.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 904.28ms. Allocated memory is still 117.4MB. Free memory was 70.0MB in the beginning and 43.9MB in the end (delta: 26.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 94.34ms. Allocated memory is still 117.4MB. Free memory was 43.9MB in the beginning and 40.0MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 14]: integer overflow possible integer overflow possible We found a FailurePath: [L25] int m = __VERIFIER_nondet_int(); [L26] int n = __VERIFIER_nondet_int(); [L27] COND TRUE m >= 0 && n >= 0 VAL [m=0, n=2147483647] [L28] CALL a(m,n) VAL [\old(m)=0, \old(n)=2147483647] [L13] COND TRUE m <= 0 VAL [\old(m)=0, \old(n)=2147483647, n=2147483647] [L14] n + 1 VAL [\old(m)=0, \old(n)=2147483647] - UnprovableResult [Line: 14]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 17]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 17]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 19]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 19]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 19]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 19]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 36 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 50 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 46 mSDsluCounter, 114 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 79 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 55 IncrementalHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 35 mSDtfsCounter, 55 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred in iteration=1, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 10 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-11-23 18:26:48,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79bd301d-694f-4f51-90d2-3105b3d17b51/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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(OVERFLOW)