./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_53_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_1714bad6-c7a6-4e9d-b66f-67059c9f7d17/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1714bad6-c7a6-4e9d-b66f-67059c9f7d17/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_1714bad6-c7a6-4e9d-b66f-67059c9f7d17/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1714bad6-c7a6-4e9d-b66f-67059c9f7d17/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1714bad6-c7a6-4e9d-b66f-67059c9f7d17/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_1714bad6-c7a6-4e9d-b66f-67059c9f7d17/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 2d868dfded4c61a20b58dc564e90138431a263570fedd6380f1ad3d0d18be388 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:12:16,336 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:12:16,430 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1714bad6-c7a6-4e9d-b66f-67059c9f7d17/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-08 16:12:16,436 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:12:16,438 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:12:16,471 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:12:16,472 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:12:16,473 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:12:16,474 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:12:16,475 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:12:16,477 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:12:16,477 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:12:16,478 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:12:16,478 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:12:16,479 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:12:16,483 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:12:16,483 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:12:16,484 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 16:12:16,484 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:12:16,484 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:12:16,484 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:12:16,485 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:12:16,485 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:12:16,486 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 16:12:16,486 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 16:12:16,486 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:12:16,486 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:12:16,487 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:12:16,487 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:12:16,487 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:12:16,488 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:12:16,488 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:12:16,488 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:12:16,491 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:12:16,492 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:12:16,492 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 16:12:16,493 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 16:12:16,493 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:12:16,493 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:12:16,494 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:12:16,494 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:12:16,494 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_1714bad6-c7a6-4e9d-b66f-67059c9f7d17/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1714bad6-c7a6-4e9d-b66f-67059c9f7d17/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d868dfded4c61a20b58dc564e90138431a263570fedd6380f1ad3d0d18be388 [2024-11-08 16:12:16,778 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:12:16,808 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:12:16,811 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:12:16,812 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:12:16,813 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:12:16,814 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1714bad6-c7a6-4e9d-b66f-67059c9f7d17/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_53_bad.i Unable to find full path for "g++" [2024-11-08 16:12:18,860 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:12:19,259 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:12:19,260 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1714bad6-c7a6-4e9d-b66f-67059c9f7d17/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_53_bad.i [2024-11-08 16:12:19,298 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1714bad6-c7a6-4e9d-b66f-67059c9f7d17/bin/uautomizer-verify-jihMAELWvX/data/bcbb41019/d2a153b4500341fea085ff8382d7c4c2/FLAG6e98b263a [2024-11-08 16:12:19,318 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1714bad6-c7a6-4e9d-b66f-67059c9f7d17/bin/uautomizer-verify-jihMAELWvX/data/bcbb41019/d2a153b4500341fea085ff8382d7c4c2 [2024-11-08 16:12:19,321 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:12:19,324 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:12:19,327 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:12:19,328 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:12:19,334 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:12:19,335 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:12:19" (1/1) ... [2024-11-08 16:12:19,336 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b925db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:12:19, skipping insertion in model container [2024-11-08 16:12:19,337 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:12:19" (1/1) ... [2024-11-08 16:12:19,424 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:12:21,407 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:12:21,424 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:12:21,593 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:12:21,897 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:12:21,898 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:12:21 WrapperNode [2024-11-08 16:12:21,898 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:12:21,900 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:12:21,900 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:12:21,900 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:12:21,908 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:12:21" (1/1) ... [2024-11-08 16:12:21,938 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:12:21" (1/1) ... [2024-11-08 16:12:21,999 INFO L138 Inliner]: procedures = 938, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 48 [2024-11-08 16:12:21,999 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:12:22,000 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:12:22,001 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:12:22,001 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:12:22,013 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:12:21" (1/1) ... [2024-11-08 16:12:22,014 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:12:21" (1/1) ... [2024-11-08 16:12:22,017 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:12:21" (1/1) ... [2024-11-08 16:12:22,028 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-08 16:12:22,029 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:12:21" (1/1) ... [2024-11-08 16:12:22,029 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:12:21" (1/1) ... [2024-11-08 16:12:22,033 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:12:21" (1/1) ... [2024-11-08 16:12:22,035 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:12:21" (1/1) ... [2024-11-08 16:12:22,037 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:12:21" (1/1) ... [2024-11-08 16:12:22,038 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:12:21" (1/1) ... [2024-11-08 16:12:22,041 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:12:22,042 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:12:22,042 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:12:22,042 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:12:22,043 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:12:21" (1/1) ... [2024-11-08 16:12:22,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:12:22,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1714bad6-c7a6-4e9d-b66f-67059c9f7d17/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:12:22,081 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1714bad6-c7a6-4e9d-b66f-67059c9f7d17/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:12:22,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1714bad6-c7a6-4e9d-b66f-67059c9f7d17/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:12:22,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:12:22,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:12:22,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:12:22,127 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 16:12:22,127 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 16:12:22,348 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:12:22,351 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:12:22,521 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-08 16:12:22,521 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:12:22,540 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:12:22,540 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 16:12:22,541 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:12:22 BoogieIcfgContainer [2024-11-08 16:12:22,541 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:12:22,543 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:12:22,545 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:12:22,548 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:12:22,549 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:12:19" (1/3) ... [2024-11-08 16:12:22,550 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@599573b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:12:22, skipping insertion in model container [2024-11-08 16:12:22,550 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:12:21" (2/3) ... [2024-11-08 16:12:22,552 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@599573b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:12:22, skipping insertion in model container [2024-11-08 16:12:22,552 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:12:22" (3/3) ... [2024-11-08 16:12:22,554 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_square_53_bad.i [2024-11-08 16:12:22,575 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:12:22,577 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 16:12:22,669 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:12:22,679 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;@26c389dc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:12:22,679 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 16:12:22,685 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.1875) internal successors, (19), 18 states have internal predecessors, (19), 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 16:12:22,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 16:12:22,694 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:12:22,695 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:12:22,697 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 16:12:22,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:12:22,705 INFO L85 PathProgramCache]: Analyzing trace with hash 1110312059, now seen corresponding path program 1 times [2024-11-08 16:12:22,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:12:22,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261313232] [2024-11-08 16:12:22,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:12:22,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:12:22,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:22,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 16:12:22,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:23,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:12:23,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:12:23,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261313232] [2024-11-08 16:12:23,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261313232] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:12:23,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:12:23,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-08 16:12:23,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937581977] [2024-11-08 16:12:23,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:12:23,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 16:12:23,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:12:23,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 16:12:23,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 16:12:23,062 INFO L87 Difference]: Start difference. First operand has 22 states, 16 states have (on average 1.1875) internal successors, (19), 18 states have internal predecessors, (19), 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 2 states, 1 states have (on average 7.0) internal successors, (7), 2 states have internal predecessors, (7), 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) [2024-11-08 16:12:23,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:12:23,075 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2024-11-08 16:12:23,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 16:12:23,077 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 7.0) internal successors, (7), 2 states have internal predecessors, (7), 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 9 [2024-11-08 16:12:23,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:12:23,083 INFO L225 Difference]: With dead ends: 22 [2024-11-08 16:12:23,083 INFO L226 Difference]: Without dead ends: 11 [2024-11-08 16:12:23,085 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 16:12:23,090 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:12:23,091 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:12:23,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2024-11-08 16:12:23,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2024-11-08 16:12:23,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 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) [2024-11-08 16:12:23,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-11-08 16:12:23,126 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 9 [2024-11-08 16:12:23,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:12:23,127 INFO L471 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2024-11-08 16:12:23,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 7.0) internal successors, (7), 2 states have internal predecessors, (7), 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) [2024-11-08 16:12:23,127 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-11-08 16:12:23,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 16:12:23,129 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:12:23,129 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:12:23,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 16:12:23,130 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 16:12:23,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:12:23,131 INFO L85 PathProgramCache]: Analyzing trace with hash 59935507, now seen corresponding path program 1 times [2024-11-08 16:12:23,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:12:23,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405759700] [2024-11-08 16:12:23,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:12:23,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:12:23,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 16:12:23,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [294030726] [2024-11-08 16:12:23,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:12:23,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:12:23,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1714bad6-c7a6-4e9d-b66f-67059c9f7d17/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:12:23,184 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1714bad6-c7a6-4e9d-b66f-67059c9f7d17/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:12:23,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1714bad6-c7a6-4e9d-b66f-67059c9f7d17/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 16:12:23,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:12:23,278 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:12:23,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:12:23,336 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:12:23,341 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 16:12:23,343 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-08 16:12:23,345 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-08 16:12:23,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1714bad6-c7a6-4e9d-b66f-67059c9f7d17/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 16:12:23,550 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1714bad6-c7a6-4e9d-b66f-67059c9f7d17/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:12:23,553 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-08 16:12:23,577 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 16:12:23,580 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 04:12:23 BoogieIcfgContainer [2024-11-08 16:12:23,581 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 16:12:23,581 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 16:12:23,582 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 16:12:23,582 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 16:12:23,582 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:12:22" (3/4) ... [2024-11-08 16:12:23,585 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 16:12:23,588 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 16:12:23,589 INFO L158 Benchmark]: Toolchain (without parser) took 4265.17ms. Allocated memory is still 144.7MB. Free memory was 104.5MB in the beginning and 56.9MB in the end (delta: 47.6MB). Peak memory consumption was 50.0MB. Max. memory is 16.1GB. [2024-11-08 16:12:23,590 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 109.1MB. Free memory is still 56.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:12:23,592 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2571.92ms. Allocated memory is still 144.7MB. Free memory was 104.1MB in the beginning and 54.6MB in the end (delta: 49.5MB). Peak memory consumption was 59.6MB. Max. memory is 16.1GB. [2024-11-08 16:12:23,593 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.11ms. Allocated memory is still 144.7MB. Free memory was 54.6MB in the beginning and 106.2MB in the end (delta: -51.7MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2024-11-08 16:12:23,594 INFO L158 Benchmark]: Boogie Preprocessor took 40.88ms. Allocated memory is still 144.7MB. Free memory was 106.2MB in the beginning and 104.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:12:23,594 INFO L158 Benchmark]: RCFGBuilder took 499.00ms. Allocated memory is still 144.7MB. Free memory was 104.0MB in the beginning and 91.5MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 16:12:23,595 INFO L158 Benchmark]: TraceAbstraction took 1037.69ms. Allocated memory is still 144.7MB. Free memory was 90.4MB in the beginning and 56.9MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-08 16:12:23,595 INFO L158 Benchmark]: Witness Printer took 7.25ms. Allocated memory is still 144.7MB. Free memory is still 56.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:12:23,598 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 109.1MB. Free memory is still 56.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2571.92ms. Allocated memory is still 144.7MB. Free memory was 104.1MB in the beginning and 54.6MB in the end (delta: 49.5MB). Peak memory consumption was 59.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 100.11ms. Allocated memory is still 144.7MB. Free memory was 54.6MB in the beginning and 106.2MB in the end (delta: -51.7MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.88ms. Allocated memory is still 144.7MB. Free memory was 106.2MB in the beginning and 104.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 499.00ms. Allocated memory is still 144.7MB. Free memory was 104.0MB in the beginning and 91.5MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1037.69ms. Allocated memory is still 144.7MB. Free memory was 90.4MB in the beginning and 56.9MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 7.25ms. Allocated memory is still 144.7MB. Free memory is still 56.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1861]: 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 1843. 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] [L1843] 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) [L1843] 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] [L1844] CALL CWE190_Integer_Overflow__int_fscanf_square_53_bad() [L1835] int data; [L1836] data = 0 [L1838] CALL CWE190_Integer_Overflow__int_fscanf_square_53b_badSink(data) [L1851] CALL CWE190_Integer_Overflow__int_fscanf_square_53c_badSink(data) [L1856] CALL CWE190_Integer_Overflow__int_fscanf_square_53d_badSink(data) [L1861] data * 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: 1861]: 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: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 22 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 0.1s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 16:12:23,630 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1714bad6-c7a6-4e9d-b66f-67059c9f7d17/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 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_1714bad6-c7a6-4e9d-b66f-67059c9f7d17/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1714bad6-c7a6-4e9d-b66f-67059c9f7d17/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_1714bad6-c7a6-4e9d-b66f-67059c9f7d17/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1714bad6-c7a6-4e9d-b66f-67059c9f7d17/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1714bad6-c7a6-4e9d-b66f-67059c9f7d17/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_1714bad6-c7a6-4e9d-b66f-67059c9f7d17/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 2d868dfded4c61a20b58dc564e90138431a263570fedd6380f1ad3d0d18be388 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:12:26,323 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:12:26,437 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1714bad6-c7a6-4e9d-b66f-67059c9f7d17/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-08 16:12:26,446 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:12:26,450 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:12:26,451 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-08 16:12:26,495 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:12:26,496 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:12:26,497 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:12:26,500 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:12:26,500 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:12:26,501 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:12:26,501 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:12:26,502 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:12:26,507 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:12:26,507 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:12:26,508 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:12:26,508 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:12:26,508 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:12:26,509 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:12:26,509 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:12:26,510 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:12:26,510 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 16:12:26,510 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 16:12:26,511 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:12:26,511 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 16:12:26,511 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 16:12:26,513 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 16:12:26,514 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:12:26,514 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:12:26,514 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:12:26,515 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:12:26,516 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:12:26,516 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:12:26,517 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:12:26,518 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:12:26,518 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:12:26,518 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:12:26,519 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 16:12:26,520 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 16:12:26,520 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:12:26,521 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:12:26,521 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:12:26,521 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:12:26,522 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_1714bad6-c7a6-4e9d-b66f-67059c9f7d17/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1714bad6-c7a6-4e9d-b66f-67059c9f7d17/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d868dfded4c61a20b58dc564e90138431a263570fedd6380f1ad3d0d18be388 [2024-11-08 16:12:26,956 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:12:26,991 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:12:26,994 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:12:26,995 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:12:26,996 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:12:26,997 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1714bad6-c7a6-4e9d-b66f-67059c9f7d17/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_53_bad.i Unable to find full path for "g++" [2024-11-08 16:12:29,424 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:12:30,026 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:12:30,029 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1714bad6-c7a6-4e9d-b66f-67059c9f7d17/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_53_bad.i [2024-11-08 16:12:30,077 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1714bad6-c7a6-4e9d-b66f-67059c9f7d17/bin/uautomizer-verify-jihMAELWvX/data/8f4c7830e/3a87f00410d44758962f644c7ab4ed49/FLAG944e01088 [2024-11-08 16:12:30,106 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1714bad6-c7a6-4e9d-b66f-67059c9f7d17/bin/uautomizer-verify-jihMAELWvX/data/8f4c7830e/3a87f00410d44758962f644c7ab4ed49 [2024-11-08 16:12:30,109 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:12:30,114 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:12:30,117 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:12:30,117 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:12:30,125 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:12:30,126 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:12:30" (1/1) ... [2024-11-08 16:12:30,128 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56397a25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:12:30, skipping insertion in model container [2024-11-08 16:12:30,128 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:12:30" (1/1) ... [2024-11-08 16:12:30,229 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:12:32,466 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:12:32,487 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:12:32,743 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:12:33,078 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:12:33,079 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:12:33 WrapperNode [2024-11-08 16:12:33,079 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:12:33,081 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:12:33,081 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:12:33,081 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:12:33,094 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:12:33" (1/1) ... [2024-11-08 16:12:33,146 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:12:33" (1/1) ... [2024-11-08 16:12:33,188 INFO L138 Inliner]: procedures = 943, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 47 [2024-11-08 16:12:33,189 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:12:33,192 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:12:33,193 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:12:33,193 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:12:33,208 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:12:33" (1/1) ... [2024-11-08 16:12:33,209 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:12:33" (1/1) ... [2024-11-08 16:12:33,216 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:12:33" (1/1) ... [2024-11-08 16:12:33,245 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-08 16:12:33,246 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:12:33" (1/1) ... [2024-11-08 16:12:33,249 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:12:33" (1/1) ... [2024-11-08 16:12:33,265 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:12:33" (1/1) ... [2024-11-08 16:12:33,270 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:12:33" (1/1) ... [2024-11-08 16:12:33,277 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:12:33" (1/1) ... [2024-11-08 16:12:33,279 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:12:33" (1/1) ... [2024-11-08 16:12:33,290 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:12:33,291 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:12:33,295 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:12:33,295 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:12:33,296 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:12:33" (1/1) ... [2024-11-08 16:12:33,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:12:33,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1714bad6-c7a6-4e9d-b66f-67059c9f7d17/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:12:33,344 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1714bad6-c7a6-4e9d-b66f-67059c9f7d17/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:12:33,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1714bad6-c7a6-4e9d-b66f-67059c9f7d17/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:12:33,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:12:33,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:12:33,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:12:33,383 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 16:12:33,384 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 16:12:33,632 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:12:33,635 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:12:37,607 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-08 16:12:37,607 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:12:37,630 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:12:37,631 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 16:12:37,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:12:37 BoogieIcfgContainer [2024-11-08 16:12:37,632 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:12:37,635 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:12:37,635 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:12:37,639 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:12:37,640 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:12:30" (1/3) ... [2024-11-08 16:12:37,641 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eb66c3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:12:37, skipping insertion in model container [2024-11-08 16:12:37,642 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:12:33" (2/3) ... [2024-11-08 16:12:37,643 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eb66c3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:12:37, skipping insertion in model container [2024-11-08 16:12:37,645 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:12:37" (3/3) ... [2024-11-08 16:12:37,647 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_square_53_bad.i [2024-11-08 16:12:37,668 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:12:37,668 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 16:12:37,772 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:12:37,781 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;@495df9c6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:12:37,782 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 16:12:37,788 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.1875) internal successors, (19), 18 states have internal predecessors, (19), 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 16:12:37,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 16:12:37,801 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:12:37,802 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:12:37,802 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 16:12:37,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:12:37,811 INFO L85 PathProgramCache]: Analyzing trace with hash 1110312059, now seen corresponding path program 1 times [2024-11-08 16:12:37,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:12:37,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [438577288] [2024-11-08 16:12:37,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:12:37,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:12:37,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1714bad6-c7a6-4e9d-b66f-67059c9f7d17/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:12:37,839 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1714bad6-c7a6-4e9d-b66f-67059c9f7d17/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:12:37,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1714bad6-c7a6-4e9d-b66f-67059c9f7d17/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 16:12:39,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:12:39,216 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:12:43,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:12:43,047 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-08 16:12:43,051 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 16:12:43,053 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-08 16:12:43,055 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-08 16:12:43,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1714bad6-c7a6-4e9d-b66f-67059c9f7d17/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 16:12:43,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1714bad6-c7a6-4e9d-b66f-67059c9f7d17/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:12:43,265 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-08 16:12:43,301 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 16:12:43,305 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 04:12:43 BoogieIcfgContainer [2024-11-08 16:12:43,305 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 16:12:43,307 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 16:12:43,308 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 16:12:43,308 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 16:12:43,310 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:12:37" (3/4) ... [2024-11-08 16:12:43,314 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 16:12:43,316 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 16:12:43,318 INFO L158 Benchmark]: Toolchain (without parser) took 13203.31ms. Allocated memory was 79.7MB in the beginning and 113.2MB in the end (delta: 33.6MB). Free memory was 50.8MB in the beginning and 69.5MB in the end (delta: -18.7MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2024-11-08 16:12:43,319 INFO L158 Benchmark]: CDTParser took 1.19ms. Allocated memory is still 54.5MB. Free memory was 30.5MB in the beginning and 30.5MB in the end (delta: 62.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:12:43,321 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2963.21ms. Allocated memory was 79.7MB in the beginning and 113.2MB in the end (delta: 33.6MB). Free memory was 50.6MB in the beginning and 70.5MB in the end (delta: -19.9MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. [2024-11-08 16:12:43,321 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.31ms. Allocated memory is still 113.2MB. Free memory was 70.5MB in the beginning and 66.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 16:12:43,322 INFO L158 Benchmark]: Boogie Preprocessor took 98.30ms. Allocated memory is still 113.2MB. Free memory was 66.3MB in the beginning and 64.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:12:43,325 INFO L158 Benchmark]: RCFGBuilder took 4341.23ms. Allocated memory is still 113.2MB. Free memory was 64.2MB in the beginning and 50.2MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 16:12:43,325 INFO L158 Benchmark]: TraceAbstraction took 5670.66ms. Allocated memory is still 113.2MB. Free memory was 49.5MB in the beginning and 69.5MB in the end (delta: -20.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:12:43,327 INFO L158 Benchmark]: Witness Printer took 8.35ms. Allocated memory is still 113.2MB. Free memory was 69.5MB in the beginning and 69.5MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:12:43,334 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.19ms. Allocated memory is still 54.5MB. Free memory was 30.5MB in the beginning and 30.5MB in the end (delta: 62.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2963.21ms. Allocated memory was 79.7MB in the beginning and 113.2MB in the end (delta: 33.6MB). Free memory was 50.6MB in the beginning and 70.5MB in the end (delta: -19.9MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 108.31ms. Allocated memory is still 113.2MB. Free memory was 70.5MB in the beginning and 66.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 98.30ms. Allocated memory is still 113.2MB. Free memory was 66.3MB in the beginning and 64.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 4341.23ms. Allocated memory is still 113.2MB. Free memory was 64.2MB in the beginning and 50.2MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 5670.66ms. Allocated memory is still 113.2MB. Free memory was 49.5MB in the beginning and 69.5MB in the end (delta: -20.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.35ms. Allocated memory is still 113.2MB. Free memory was 69.5MB in the beginning and 69.5MB in the end (delta: 2.7kB). 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: 1861]: 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 1843. 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] [L1843] 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) [L1843] 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] [L1844] CALL CWE190_Integer_Overflow__int_fscanf_square_53_bad() [L1835] int data; [L1836] data = 0 [L1838] CALL CWE190_Integer_Overflow__int_fscanf_square_53b_badSink(data) [L1851] CALL CWE190_Integer_Overflow__int_fscanf_square_53c_badSink(data) [L1856] CALL CWE190_Integer_Overflow__int_fscanf_square_53d_badSink(data) [L1861] data * 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: 1861]: 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: 5.5s, 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=22occurred 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, 1.2s 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 16:12:43,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1714bad6-c7a6-4e9d-b66f-67059c9f7d17/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample