./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_32_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982b8e6b-0153-465a-ab35-c8fcd45dc5a3/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982b8e6b-0153-465a-ab35-c8fcd45dc5a3/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982b8e6b-0153-465a-ab35-c8fcd45dc5a3/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982b8e6b-0153-465a-ab35-c8fcd45dc5a3/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982b8e6b-0153-465a-ab35-c8fcd45dc5a3/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982b8e6b-0153-465a-ab35-c8fcd45dc5a3/bin/uautomizer-verify-jihMAELWvX --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 86f790b5e54540c6cfdb7aa871809221f0588b0bece266676921ccbbc238a8d0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:24:34,084 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:24:34,206 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982b8e6b-0153-465a-ab35-c8fcd45dc5a3/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-08 16:24:34,214 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:24:34,215 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:24:34,269 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:24:34,272 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:24:34,272 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:24:34,274 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:24:34,275 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:24:34,276 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:24:34,276 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:24:34,277 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:24:34,278 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:24:34,278 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:24:34,278 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:24:34,279 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:24:34,283 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 16:24:34,284 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:24:34,284 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:24:34,284 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:24:34,287 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:24:34,288 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:24:34,288 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 16:24:34,288 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 16:24:34,289 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:24:34,289 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:24:34,289 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:24:34,290 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:24:34,290 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:24:34,290 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:24:34,291 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:24:34,293 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:24:34,293 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:24:34,293 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:24:34,294 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 16:24:34,294 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 16:24:34,294 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:24:34,294 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:24:34,294 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:24:34,295 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:24:34,295 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982b8e6b-0153-465a-ab35-c8fcd45dc5a3/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982b8e6b-0153-465a-ab35-c8fcd45dc5a3/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86f790b5e54540c6cfdb7aa871809221f0588b0bece266676921ccbbc238a8d0 [2024-11-08 16:24:34,753 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:24:34,794 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:24:34,799 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:24:34,801 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:24:34,802 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:24:34,803 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982b8e6b-0153-465a-ab35-c8fcd45dc5a3/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_32_bad.i Unable to find full path for "g++" [2024-11-08 16:24:37,336 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:24:37,879 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:24:37,880 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982b8e6b-0153-465a-ab35-c8fcd45dc5a3/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_32_bad.i [2024-11-08 16:24:37,930 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982b8e6b-0153-465a-ab35-c8fcd45dc5a3/bin/uautomizer-verify-jihMAELWvX/data/76961172e/76347a57c3184cab8096fb9b0593c1d0/FLAG4b540f0d6 [2024-11-08 16:24:37,968 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982b8e6b-0153-465a-ab35-c8fcd45dc5a3/bin/uautomizer-verify-jihMAELWvX/data/76961172e/76347a57c3184cab8096fb9b0593c1d0 [2024-11-08 16:24:37,972 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:24:37,974 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:24:37,976 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:24:37,976 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:24:37,986 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:24:37,987 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:24:37" (1/1) ... [2024-11-08 16:24:37,989 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1468fabc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:37, skipping insertion in model container [2024-11-08 16:24:37,989 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:24:37" (1/1) ... [2024-11-08 16:24:38,093 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:24:39,540 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:24:39,555 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:24:39,709 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:24:39,861 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:24:39,861 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:39 WrapperNode [2024-11-08 16:24:39,861 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:24:39,863 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:24:39,863 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:24:39,863 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:24:39,873 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:39" (1/1) ... [2024-11-08 16:24:39,905 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:39" (1/1) ... [2024-11-08 16:24:39,945 INFO L138 Inliner]: procedures = 497, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2024-11-08 16:24:39,945 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:24:39,946 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:24:39,947 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:24:39,947 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:24:39,962 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:39" (1/1) ... [2024-11-08 16:24:39,963 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:39" (1/1) ... [2024-11-08 16:24:39,966 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:39" (1/1) ... [2024-11-08 16:24:39,988 INFO L175 MemorySlicer]: Split 4 memory accesses to 1 slices as follows [4]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 2 writes are split as follows [2]. [2024-11-08 16:24:39,988 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:39" (1/1) ... [2024-11-08 16:24:39,988 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:39" (1/1) ... [2024-11-08 16:24:39,995 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:39" (1/1) ... [2024-11-08 16:24:39,997 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:39" (1/1) ... [2024-11-08 16:24:39,999 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:39" (1/1) ... [2024-11-08 16:24:40,000 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:39" (1/1) ... [2024-11-08 16:24:40,003 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:24:40,005 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:24:40,005 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:24:40,005 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:24:40,006 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:39" (1/1) ... [2024-11-08 16:24:40,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:24:40,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982b8e6b-0153-465a-ab35-c8fcd45dc5a3/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:24:40,062 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982b8e6b-0153-465a-ab35-c8fcd45dc5a3/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:24:40,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982b8e6b-0153-465a-ab35-c8fcd45dc5a3/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:24:40,110 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 16:24:40,110 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 16:24:40,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 16:24:40,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-08 16:24:40,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:24:40,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:24:40,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:24:40,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 16:24:40,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-08 16:24:40,382 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:24:40,386 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:24:40,584 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-08 16:24:40,584 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:24:40,599 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:24:40,599 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 16:24:40,602 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:24:40 BoogieIcfgContainer [2024-11-08 16:24:40,603 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:24:40,605 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:24:40,606 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:24:40,613 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:24:40,613 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:24:37" (1/3) ... [2024-11-08 16:24:40,615 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77810439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:24:40, skipping insertion in model container [2024-11-08 16:24:40,615 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:39" (2/3) ... [2024-11-08 16:24:40,616 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77810439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:24:40, skipping insertion in model container [2024-11-08 16:24:40,617 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:24:40" (3/3) ... [2024-11-08 16:24:40,618 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_predec_32_bad.i [2024-11-08 16:24:40,642 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:24:40,643 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 16:24:40,747 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:24:40,756 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;@1ab9db20, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:24:40,756 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 16:24:40,763 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 15 states have internal predecessors, (16), 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) [2024-11-08 16:24:40,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 16:24:40,775 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:24:40,776 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:24:40,777 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 16:24:40,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:24:40,787 INFO L85 PathProgramCache]: Analyzing trace with hash 80251503, now seen corresponding path program 1 times [2024-11-08 16:24:40,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:24:40,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226743075] [2024-11-08 16:24:40,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:24:40,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:24:41,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:24:41,102 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:24:41,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:24:41,178 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:24:41,181 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 16:24:41,182 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-08 16:24:41,184 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-08 16:24:41,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 16:24:41,189 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-08 16:24:41,215 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 16:24:41,219 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 04:24:41 BoogieIcfgContainer [2024-11-08 16:24:41,220 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 16:24:41,221 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 16:24:41,221 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 16:24:41,221 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 16:24:41,222 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:24:40" (3/4) ... [2024-11-08 16:24:41,226 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 16:24:41,228 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 16:24:41,229 INFO L158 Benchmark]: Toolchain (without parser) took 3255.50ms. Allocated memory is still 155.2MB. Free memory was 112.3MB in the beginning and 112.4MB in the end (delta: -30.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:24:41,230 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 111.1MB. Free memory is still 78.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:24:41,231 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1886.05ms. Allocated memory is still 155.2MB. Free memory was 112.3MB in the beginning and 68.4MB in the end (delta: 43.9MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-11-08 16:24:41,232 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.93ms. Allocated memory is still 155.2MB. Free memory was 68.4MB in the beginning and 65.5MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 16:24:41,233 INFO L158 Benchmark]: Boogie Preprocessor took 57.30ms. Allocated memory is still 155.2MB. Free memory was 65.5MB in the beginning and 63.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:24:41,234 INFO L158 Benchmark]: RCFGBuilder took 598.23ms. Allocated memory is still 155.2MB. Free memory was 63.4MB in the beginning and 49.6MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 16:24:41,235 INFO L158 Benchmark]: TraceAbstraction took 614.40ms. Allocated memory is still 155.2MB. Free memory was 48.7MB in the beginning and 112.6MB in the end (delta: -63.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:24:41,235 INFO L158 Benchmark]: Witness Printer took 7.49ms. Allocated memory is still 155.2MB. Free memory was 112.6MB in the beginning and 112.4MB in the end (delta: 263.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:24:41,240 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 111.1MB. Free memory is still 78.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1886.05ms. Allocated memory is still 155.2MB. Free memory was 112.3MB in the beginning and 68.4MB in the end (delta: 43.9MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.93ms. Allocated memory is still 155.2MB. Free memory was 68.4MB in the beginning and 65.5MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.30ms. Allocated memory is still 155.2MB. Free memory was 65.5MB in the beginning and 63.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 598.23ms. Allocated memory is still 155.2MB. Free memory was 63.4MB in the beginning and 49.6MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 614.40ms. Allocated memory is still 155.2MB. Free memory was 48.7MB in the beginning and 112.6MB in the end (delta: -63.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.49ms. Allocated memory is still 155.2MB. Free memory was 112.6MB in the beginning and 112.4MB in the end (delta: 263.4kB). 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 - UnprovableResult [Line: 1562]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1571. Possible 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] [L1571] 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) [L1571] 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] [L1572] CALL CWE191_Integer_Underflow__int_fscanf_predec_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1557] *dataPtr1 = data [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1562] --data 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: 1562]: 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, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 16:24:41,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982b8e6b-0153-465a-ab35-c8fcd45dc5a3/bin/uautomizer-verify-jihMAELWvX/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982b8e6b-0153-465a-ab35-c8fcd45dc5a3/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982b8e6b-0153-465a-ab35-c8fcd45dc5a3/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982b8e6b-0153-465a-ab35-c8fcd45dc5a3/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982b8e6b-0153-465a-ab35-c8fcd45dc5a3/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982b8e6b-0153-465a-ab35-c8fcd45dc5a3/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982b8e6b-0153-465a-ab35-c8fcd45dc5a3/bin/uautomizer-verify-jihMAELWvX --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 86f790b5e54540c6cfdb7aa871809221f0588b0bece266676921ccbbc238a8d0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:24:44,337 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:24:44,483 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982b8e6b-0153-465a-ab35-c8fcd45dc5a3/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-08 16:24:44,492 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:24:44,493 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:24:44,494 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-08 16:24:44,543 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:24:44,544 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:24:44,546 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:24:44,549 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:24:44,550 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:24:44,551 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:24:44,551 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:24:44,552 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:24:44,556 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:24:44,556 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:24:44,557 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:24:44,557 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:24:44,558 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:24:44,558 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:24:44,562 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:24:44,563 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:24:44,563 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 16:24:44,564 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 16:24:44,564 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:24:44,565 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 16:24:44,565 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 16:24:44,566 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 16:24:44,566 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:24:44,567 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:24:44,567 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:24:44,567 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:24:44,568 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:24:44,568 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:24:44,569 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:24:44,569 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:24:44,570 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:24:44,571 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:24:44,572 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 16:24:44,572 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 16:24:44,573 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:24:44,574 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:24:44,574 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:24:44,575 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:24:44,575 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982b8e6b-0153-465a-ab35-c8fcd45dc5a3/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982b8e6b-0153-465a-ab35-c8fcd45dc5a3/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86f790b5e54540c6cfdb7aa871809221f0588b0bece266676921ccbbc238a8d0 [2024-11-08 16:24:45,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:24:45,162 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:24:45,166 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:24:45,168 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:24:45,168 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:24:45,170 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982b8e6b-0153-465a-ab35-c8fcd45dc5a3/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_32_bad.i Unable to find full path for "g++" [2024-11-08 16:24:47,947 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:24:48,513 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:24:48,513 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982b8e6b-0153-465a-ab35-c8fcd45dc5a3/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_32_bad.i [2024-11-08 16:24:48,544 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982b8e6b-0153-465a-ab35-c8fcd45dc5a3/bin/uautomizer-verify-jihMAELWvX/data/369bb34a8/a4121ad7b6e84f378041f6f24fe207e4/FLAG6e2cc477e [2024-11-08 16:24:48,565 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982b8e6b-0153-465a-ab35-c8fcd45dc5a3/bin/uautomizer-verify-jihMAELWvX/data/369bb34a8/a4121ad7b6e84f378041f6f24fe207e4 [2024-11-08 16:24:48,570 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:24:48,572 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:24:48,575 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:24:48,575 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:24:48,581 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:24:48,582 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:24:48" (1/1) ... [2024-11-08 16:24:48,583 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11792565 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:48, skipping insertion in model container [2024-11-08 16:24:48,583 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:24:48" (1/1) ... [2024-11-08 16:24:48,658 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:24:49,921 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:24:49,936 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:24:50,018 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:24:50,150 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:24:50,150 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:50 WrapperNode [2024-11-08 16:24:50,151 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:24:50,152 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:24:50,152 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:24:50,152 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:24:50,162 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:50" (1/1) ... [2024-11-08 16:24:50,197 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:50" (1/1) ... [2024-11-08 16:24:50,228 INFO L138 Inliner]: procedures = 502, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2024-11-08 16:24:50,228 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:24:50,229 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:24:50,229 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:24:50,230 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:24:50,243 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:50" (1/1) ... [2024-11-08 16:24:50,244 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:50" (1/1) ... [2024-11-08 16:24:50,253 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:50" (1/1) ... [2024-11-08 16:24:50,268 INFO L175 MemorySlicer]: Split 4 memory accesses to 1 slices as follows [4]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 2 writes are split as follows [2]. [2024-11-08 16:24:50,268 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:50" (1/1) ... [2024-11-08 16:24:50,269 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:50" (1/1) ... [2024-11-08 16:24:50,277 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:50" (1/1) ... [2024-11-08 16:24:50,279 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:50" (1/1) ... [2024-11-08 16:24:50,282 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:50" (1/1) ... [2024-11-08 16:24:50,283 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:50" (1/1) ... [2024-11-08 16:24:50,287 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:24:50,288 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:24:50,289 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:24:50,289 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:24:50,295 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:50" (1/1) ... [2024-11-08 16:24:50,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:24:50,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982b8e6b-0153-465a-ab35-c8fcd45dc5a3/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:24:50,333 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982b8e6b-0153-465a-ab35-c8fcd45dc5a3/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:24:50,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982b8e6b-0153-465a-ab35-c8fcd45dc5a3/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:24:50,359 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 16:24:50,360 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 16:24:50,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 16:24:50,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:24:50,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:24:50,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:24:50,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-08 16:24:50,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 16:24:50,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-08 16:24:50,557 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:24:50,560 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:24:50,783 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-08 16:24:50,783 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:24:50,799 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:24:50,799 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 16:24:50,800 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:24:50 BoogieIcfgContainer [2024-11-08 16:24:50,800 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:24:50,804 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:24:50,805 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:24:50,809 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:24:50,810 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:24:48" (1/3) ... [2024-11-08 16:24:50,811 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a8639ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:24:50, skipping insertion in model container [2024-11-08 16:24:50,811 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:50" (2/3) ... [2024-11-08 16:24:50,812 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a8639ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:24:50, skipping insertion in model container [2024-11-08 16:24:50,813 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:24:50" (3/3) ... [2024-11-08 16:24:50,814 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_predec_32_bad.i [2024-11-08 16:24:50,834 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:24:50,834 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 16:24:50,938 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:24:50,945 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;@9836efb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:24:50,945 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 16:24:50,949 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 15 states have internal predecessors, (16), 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) [2024-11-08 16:24:50,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 16:24:50,959 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:24:50,959 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:24:50,960 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 16:24:50,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:24:50,966 INFO L85 PathProgramCache]: Analyzing trace with hash 80251503, now seen corresponding path program 1 times [2024-11-08 16:24:50,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:24:50,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [483090916] [2024-11-08 16:24:50,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:24:50,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:24:50,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982b8e6b-0153-465a-ab35-c8fcd45dc5a3/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:24:50,995 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982b8e6b-0153-465a-ab35-c8fcd45dc5a3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:24:50,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982b8e6b-0153-465a-ab35-c8fcd45dc5a3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 16:24:51,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:24:51,216 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:24:51,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:24:51,302 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-08 16:24:51,304 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 16:24:51,305 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-08 16:24:51,307 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-08 16:24:51,330 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982b8e6b-0153-465a-ab35-c8fcd45dc5a3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 16:24:51,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982b8e6b-0153-465a-ab35-c8fcd45dc5a3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:24:51,512 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-08 16:24:51,540 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 16:24:51,543 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 04:24:51 BoogieIcfgContainer [2024-11-08 16:24:51,543 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 16:24:51,544 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 16:24:51,544 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 16:24:51,545 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 16:24:51,545 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:24:50" (3/4) ... [2024-11-08 16:24:51,548 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 16:24:51,550 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 16:24:51,551 INFO L158 Benchmark]: Toolchain (without parser) took 2979.01ms. Allocated memory was 88.1MB in the beginning and 121.6MB in the end (delta: 33.6MB). Free memory was 59.9MB in the beginning and 77.2MB in the end (delta: -17.3MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2024-11-08 16:24:51,552 INFO L158 Benchmark]: CDTParser took 1.77ms. Allocated memory is still 88.1MB. Free memory is still 63.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:24:51,553 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1576.09ms. Allocated memory was 88.1MB in the beginning and 121.6MB in the end (delta: 33.6MB). Free memory was 59.6MB in the beginning and 79.7MB in the end (delta: -20.1MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. [2024-11-08 16:24:51,553 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.76ms. Allocated memory is still 121.6MB. Free memory was 79.7MB in the beginning and 76.5MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 16:24:51,554 INFO L158 Benchmark]: Boogie Preprocessor took 58.32ms. Allocated memory is still 121.6MB. Free memory was 76.5MB in the beginning and 73.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:24:51,555 INFO L158 Benchmark]: RCFGBuilder took 511.93ms. Allocated memory is still 121.6MB. Free memory was 73.8MB in the beginning and 59.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 16:24:51,556 INFO L158 Benchmark]: TraceAbstraction took 739.39ms. Allocated memory is still 121.6MB. Free memory was 58.7MB in the beginning and 77.2MB in the end (delta: -18.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:24:51,556 INFO L158 Benchmark]: Witness Printer took 5.63ms. Allocated memory is still 121.6MB. Free memory is still 77.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:24:51,560 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.77ms. Allocated memory is still 88.1MB. Free memory is still 63.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1576.09ms. Allocated memory was 88.1MB in the beginning and 121.6MB in the end (delta: 33.6MB). Free memory was 59.6MB in the beginning and 79.7MB in the end (delta: -20.1MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.76ms. Allocated memory is still 121.6MB. Free memory was 79.7MB in the beginning and 76.5MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.32ms. Allocated memory is still 121.6MB. Free memory was 76.5MB in the beginning and 73.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 511.93ms. Allocated memory is still 121.6MB. Free memory was 73.8MB in the beginning and 59.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 739.39ms. Allocated memory is still 121.6MB. Free memory was 58.7MB in the beginning and 77.2MB in the end (delta: -18.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.63ms. Allocated memory is still 121.6MB. Free memory is still 77.2MB. 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 - UnprovableResult [Line: 1562]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1571. Possible 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] [L1571] 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) [L1571] 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] [L1572] CALL CWE191_Integer_Underflow__int_fscanf_predec_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1557] *dataPtr1 = data [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1562] --data 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: 1562]: 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, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 16:24:51,602 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982b8e6b-0153-465a-ab35-c8fcd45dc5a3/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample