./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_14_bad.i --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_0896b7dd-e487-4133-a152-cc2c0bfd4576/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0896b7dd-e487-4133-a152-cc2c0bfd4576/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_0896b7dd-e487-4133-a152-cc2c0bfd4576/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0896b7dd-e487-4133-a152-cc2c0bfd4576/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_14_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0896b7dd-e487-4133-a152-cc2c0bfd4576/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_0896b7dd-e487-4133-a152-cc2c0bfd4576/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 e3c0ee47d50461535e0c09d9f10043412d5eb2e0f2f37573e5a923ef8f2ae8bf --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 22:57:37,641 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 22:57:37,750 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0896b7dd-e487-4133-a152-cc2c0bfd4576/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-23 22:57:37,757 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 22:57:37,757 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 22:57:37,796 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 22:57:37,800 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 22:57:37,800 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 22:57:37,801 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 22:57:37,801 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 22:57:37,802 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 22:57:37,802 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 22:57:37,803 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 22:57:37,803 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 22:57:37,803 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 22:57:37,803 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 22:57:37,803 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 22:57:37,803 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 22:57:37,803 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 22:57:37,803 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 22:57:37,804 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 22:57:37,805 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 22:57:37,805 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-23 22:57:37,805 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 22:57:37,805 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 22:57:37,805 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 22:57:37,805 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 22:57:37,806 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 22:57:37,806 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:57:37,806 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:57:37,806 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:57:37,807 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:57:37,807 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 22:57:37,807 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:57:37,807 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:57:37,807 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:57:37,807 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:57:37,807 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 22:57:37,808 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 22:57:37,808 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 22:57:37,808 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 22:57:37,808 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 22:57:37,808 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 22:57:37,808 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 22:57:37,808 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 22:57:37,808 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 22:57:37,808 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 22:57:37,808 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_0896b7dd-e487-4133-a152-cc2c0bfd4576/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 -> e3c0ee47d50461535e0c09d9f10043412d5eb2e0f2f37573e5a923ef8f2ae8bf [2024-11-23 22:57:38,158 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 22:57:38,174 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 22:57:38,177 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 22:57:38,178 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 22:57:38,179 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 22:57:38,182 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0896b7dd-e487-4133-a152-cc2c0bfd4576/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_14_bad.i [2024-11-23 22:57:41,366 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0896b7dd-e487-4133-a152-cc2c0bfd4576/bin/uautomizer-verify-LYvppIcaGC/data/8b8fa4f4d/571a5868632642628462d634edf1f034/FLAGf5d2df5ee [2024-11-23 22:57:41,894 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 22:57:41,898 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0896b7dd-e487-4133-a152-cc2c0bfd4576/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_14_bad.i [2024-11-23 22:57:41,937 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0896b7dd-e487-4133-a152-cc2c0bfd4576/bin/uautomizer-verify-LYvppIcaGC/data/8b8fa4f4d/571a5868632642628462d634edf1f034/FLAGf5d2df5ee [2024-11-23 22:57:41,958 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0896b7dd-e487-4133-a152-cc2c0bfd4576/bin/uautomizer-verify-LYvppIcaGC/data/8b8fa4f4d/571a5868632642628462d634edf1f034 [2024-11-23 22:57:41,961 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 22:57:41,963 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 22:57:41,966 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 22:57:41,967 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 22:57:41,971 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 22:57:41,972 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:57:41" (1/1) ... [2024-11-23 22:57:41,973 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c38a646 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:57:41, skipping insertion in model container [2024-11-23 22:57:41,973 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:57:41" (1/1) ... [2024-11-23 22:57:42,036 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 22:57:42,982 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:57:42,992 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 22:57:43,108 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:57:43,279 INFO L204 MainTranslator]: Completed translation [2024-11-23 22:57:43,280 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:57:43 WrapperNode [2024-11-23 22:57:43,281 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 22:57:43,282 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 22:57:43,282 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 22:57:43,282 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 22:57:43,290 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:57:43" (1/1) ... [2024-11-23 22:57:43,320 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:57:43" (1/1) ... [2024-11-23 22:57:43,352 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 41 [2024-11-23 22:57:43,353 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 22:57:43,354 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 22:57:43,355 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 22:57:43,355 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 22:57:43,366 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:57:43" (1/1) ... [2024-11-23 22:57:43,366 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:57:43" (1/1) ... [2024-11-23 22:57:43,373 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:57:43" (1/1) ... [2024-11-23 22:57:43,391 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-23 22:57:43,392 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:57:43" (1/1) ... [2024-11-23 22:57:43,392 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:57:43" (1/1) ... [2024-11-23 22:57:43,399 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:57:43" (1/1) ... [2024-11-23 22:57:43,400 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:57:43" (1/1) ... [2024-11-23 22:57:43,403 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:57:43" (1/1) ... [2024-11-23 22:57:43,405 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:57:43" (1/1) ... [2024-11-23 22:57:43,406 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:57:43" (1/1) ... [2024-11-23 22:57:43,408 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 22:57:43,416 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 22:57:43,416 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 22:57:43,416 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 22:57:43,417 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:57:43" (1/1) ... [2024-11-23 22:57:43,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:57:43,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0896b7dd-e487-4133-a152-cc2c0bfd4576/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:57:43,457 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0896b7dd-e487-4133-a152-cc2c0bfd4576/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 22:57:43,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0896b7dd-e487-4133-a152-cc2c0bfd4576/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 22:57:43,490 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-23 22:57:43,492 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-23 22:57:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 22:57:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 22:57:43,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 22:57:43,667 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 22:57:43,668 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 22:57:43,796 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-23 22:57:43,796 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 22:57:43,809 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 22:57:43,810 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-23 22:57:43,810 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:57:43 BoogieIcfgContainer [2024-11-23 22:57:43,810 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 22:57:43,813 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 22:57:43,813 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 22:57:43,820 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 22:57:43,821 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:57:41" (1/3) ... [2024-11-23 22:57:43,822 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22511e81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:57:43, skipping insertion in model container [2024-11-23 22:57:43,823 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:57:43" (2/3) ... [2024-11-23 22:57:43,825 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22511e81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:57:43, skipping insertion in model container [2024-11-23 22:57:43,825 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:57:43" (3/3) ... [2024-11-23 22:57:43,826 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_multiply_14_bad.i [2024-11-23 22:57:43,847 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 22:57:43,849 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_fscanf_multiply_14_bad.i that has 2 procedures, 22 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-23 22:57:43,906 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 22:57:43,921 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;@2020f109, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 22:57:43,922 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-23 22:57:43,928 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.375) internal successors, (22), 18 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-23 22:57:43,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-23 22:57:43,934 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:57:43,935 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:57:43,936 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-23 22:57:43,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:57:43,942 INFO L85 PathProgramCache]: Analyzing trace with hash -83184607, now seen corresponding path program 1 times [2024-11-23 22:57:43,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:57:43,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764863038] [2024-11-23 22:57:43,952 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:57:43,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:57:44,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:57:44,285 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 22:57:44,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:57:44,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764863038] [2024-11-23 22:57:44,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764863038] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:57:44,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:57:44,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:57:44,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902552042] [2024-11-23 22:57:44,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:57:44,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:57:44,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:57:44,324 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:57:44,324 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:57:44,327 INFO L87 Difference]: Start difference. First operand has 22 states, 16 states have (on average 1.375) internal successors, (22), 18 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 22:57:44,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:57:44,364 INFO L93 Difference]: Finished difference Result 39 states and 45 transitions. [2024-11-23 22:57:44,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:57:44,369 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2024-11-23 22:57:44,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:57:44,378 INFO L225 Difference]: With dead ends: 39 [2024-11-23 22:57:44,378 INFO L226 Difference]: Without dead ends: 15 [2024-11-23 22:57:44,385 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:57:44,390 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 20 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:57:44,393 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 22 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:57:44,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2024-11-23 22:57:44,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-11-23 22:57:44,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 12 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 22:57:44,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2024-11-23 22:57:44,447 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 12 [2024-11-23 22:57:44,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:57:44,447 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2024-11-23 22:57:44,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 22:57:44,448 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2024-11-23 22:57:44,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-23 22:57:44,448 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:57:44,448 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:57:44,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 22:57:44,449 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-23 22:57:44,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:57:44,450 INFO L85 PathProgramCache]: Analyzing trace with hash -83244189, now seen corresponding path program 1 times [2024-11-23 22:57:44,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:57:44,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938723286] [2024-11-23 22:57:44,450 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:57:44,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:57:44,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 22:57:44,509 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 22:57:44,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 22:57:44,571 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 22:57:44,572 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 22:57:44,574 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-23 22:57:44,576 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-23 22:57:44,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 22:57:44,580 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-23 22:57:44,610 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 22:57:44,616 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 10:57:44 BoogieIcfgContainer [2024-11-23 22:57:44,618 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 22:57:44,620 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 22:57:44,620 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 22:57:44,620 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 22:57:44,621 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:57:43" (3/4) ... [2024-11-23 22:57:44,622 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-23 22:57:44,685 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 8. [2024-11-23 22:57:44,752 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0896b7dd-e487-4133-a152-cc2c0bfd4576/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-23 22:57:44,753 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0896b7dd-e487-4133-a152-cc2c0bfd4576/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-23 22:57:44,753 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 22:57:44,754 INFO L158 Benchmark]: Toolchain (without parser) took 2791.49ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 34.2MB in the end (delta: 55.3MB). Peak memory consumption was 49.5MB. Max. memory is 16.1GB. [2024-11-23 22:57:44,754 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 117.4MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:57:44,755 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1315.66ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 79.7MB in the end (delta: 9.5MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. [2024-11-23 22:57:44,755 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.83ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 77.4MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:57:44,756 INFO L158 Benchmark]: Boogie Preprocessor took 53.67ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 76.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:57:44,757 INFO L158 Benchmark]: RCFGBuilder took 394.72ms. Allocated memory is still 117.4MB. Free memory was 76.1MB in the beginning and 64.7MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 22:57:44,758 INFO L158 Benchmark]: TraceAbstraction took 805.02ms. Allocated memory is still 117.4MB. Free memory was 64.1MB in the beginning and 38.9MB in the end (delta: 25.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 22:57:44,759 INFO L158 Benchmark]: Witness Printer took 133.26ms. Allocated memory is still 117.4MB. Free memory was 38.9MB in the beginning and 34.2MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 22:57:44,763 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56ms. Allocated memory is still 117.4MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1315.66ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 79.7MB in the end (delta: 9.5MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.83ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 77.4MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 53.67ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 76.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 394.72ms. Allocated memory is still 117.4MB. Free memory was 76.1MB in the beginning and 64.7MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 805.02ms. Allocated memory is still 117.4MB. Free memory was 64.1MB in the beginning and 38.9MB in the end (delta: 25.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 133.26ms. Allocated memory is still 117.4MB. Free memory was 38.9MB in the beginning and 34.2MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. 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: 1560]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_fscanf_multiply_14_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE globalFive==5 [L1556] COND TRUE globalFive==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1560]: 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, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 20 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 22 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 19 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 22:57:44,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0896b7dd-e487-4133-a152-cc2c0bfd4576/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)