./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_12_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_360eea9a-7067-4deb-afdf-9afd679890f4/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360eea9a-7067-4deb-afdf-9afd679890f4/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_360eea9a-7067-4deb-afdf-9afd679890f4/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360eea9a-7067-4deb-afdf-9afd679890f4/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_12_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360eea9a-7067-4deb-afdf-9afd679890f4/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_360eea9a-7067-4deb-afdf-9afd679890f4/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 00b9dd557219bafb84f7cbb7f8ae1b89e6cfb511fbadbd5cdec28bd83190b016 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:24:29,136 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:24:29,238 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360eea9a-7067-4deb-afdf-9afd679890f4/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-08 16:24:29,244 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:24:29,246 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:24:29,279 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:24:29,279 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:24:29,280 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:24:29,281 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:24:29,282 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:24:29,283 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:24:29,283 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:24:29,284 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:24:29,284 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:24:29,284 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:24:29,286 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:24:29,287 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:24:29,287 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 16:24:29,287 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:24:29,288 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:24:29,288 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:24:29,293 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:24:29,293 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:24:29,293 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 16:24:29,294 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 16:24:29,294 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:24:29,294 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:24:29,294 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:24:29,295 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:24:29,295 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:24:29,295 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:24:29,295 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:24:29,296 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:24:29,296 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:24:29,296 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:24:29,297 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 16:24:29,297 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 16:24:29,297 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:24:29,297 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:24:29,298 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:24:29,298 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:24:29,299 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_360eea9a-7067-4deb-afdf-9afd679890f4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360eea9a-7067-4deb-afdf-9afd679890f4/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 00b9dd557219bafb84f7cbb7f8ae1b89e6cfb511fbadbd5cdec28bd83190b016 [2024-11-08 16:24:29,570 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:24:29,595 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:24:29,597 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:24:29,599 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:24:29,599 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:24:29,600 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360eea9a-7067-4deb-afdf-9afd679890f4/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_12_bad.i Unable to find full path for "g++" [2024-11-08 16:24:31,486 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:24:31,863 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:24:31,863 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360eea9a-7067-4deb-afdf-9afd679890f4/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_12_bad.i [2024-11-08 16:24:31,886 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360eea9a-7067-4deb-afdf-9afd679890f4/bin/uautomizer-verify-jihMAELWvX/data/7503697e5/3f61d08160f5446cab75e458f419579d/FLAG2cfb42341 [2024-11-08 16:24:32,079 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360eea9a-7067-4deb-afdf-9afd679890f4/bin/uautomizer-verify-jihMAELWvX/data/7503697e5/3f61d08160f5446cab75e458f419579d [2024-11-08 16:24:32,082 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:24:32,083 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:24:32,084 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:24:32,084 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:24:32,089 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:24:32,090 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:24:32" (1/1) ... [2024-11-08 16:24:32,091 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ab0dca4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:32, skipping insertion in model container [2024-11-08 16:24:32,091 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:24:32" (1/1) ... [2024-11-08 16:24:32,182 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:24:33,218 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:24:33,230 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:24:33,341 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:24:33,561 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:24:33,562 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:33 WrapperNode [2024-11-08 16:24:33,563 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:24:33,564 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:24:33,564 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:24:33,565 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:24:33,573 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:33" (1/1) ... [2024-11-08 16:24:33,607 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:33" (1/1) ... [2024-11-08 16:24:33,635 INFO L138 Inliner]: procedures = 497, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 66 [2024-11-08 16:24:33,636 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:24:33,637 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:24:33,637 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:24:33,638 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:24:33,649 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:33" (1/1) ... [2024-11-08 16:24:33,649 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:33" (1/1) ... [2024-11-08 16:24:33,652 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:33" (1/1) ... [2024-11-08 16:24:33,668 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-08 16:24:33,672 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:33" (1/1) ... [2024-11-08 16:24:33,676 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:33" (1/1) ... [2024-11-08 16:24:33,679 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:33" (1/1) ... [2024-11-08 16:24:33,685 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:33" (1/1) ... [2024-11-08 16:24:33,686 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:33" (1/1) ... [2024-11-08 16:24:33,687 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:33" (1/1) ... [2024-11-08 16:24:33,691 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:24:33,694 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:24:33,699 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:24:33,699 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:24:33,700 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:33" (1/1) ... [2024-11-08 16:24:33,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:24:33,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360eea9a-7067-4deb-afdf-9afd679890f4/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:24:33,737 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360eea9a-7067-4deb-afdf-9afd679890f4/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:24:33,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360eea9a-7067-4deb-afdf-9afd679890f4/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:24:33,773 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-11-08 16:24:33,774 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-11-08 16:24:33,774 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2024-11-08 16:24:33,774 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2024-11-08 16:24:33,774 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 16:24:33,774 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 16:24:33,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:24:33,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:24:33,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:24:33,935 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:24:33,937 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:24:34,078 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-08 16:24:34,079 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:24:34,093 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:24:34,093 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 16:24:34,093 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:24:34 BoogieIcfgContainer [2024-11-08 16:24:34,093 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:24:34,098 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:24:34,098 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:24:34,102 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:24:34,102 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:24:32" (1/3) ... [2024-11-08 16:24:34,103 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4964b1e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:24:34, skipping insertion in model container [2024-11-08 16:24:34,104 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:33" (2/3) ... [2024-11-08 16:24:34,105 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4964b1e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:24:34, skipping insertion in model container [2024-11-08 16:24:34,105 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:24:34" (3/3) ... [2024-11-08 16:24:34,107 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_postdec_12_bad.i [2024-11-08 16:24:34,125 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:24:34,125 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-08 16:24:34,184 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:24:34,191 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;@7e16825, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:24:34,191 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-08 16:24:34,196 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 26 states have (on average 1.3076923076923077) internal successors, (34), 30 states have internal predecessors, (34), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-08 16:24:34,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 16:24:34,203 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:24:34,204 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:24:34,204 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-08 16:24:34,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:24:34,210 INFO L85 PathProgramCache]: Analyzing trace with hash -1213709514, now seen corresponding path program 1 times [2024-11-08 16:24:34,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:24:34,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017413857] [2024-11-08 16:24:34,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:24:34,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:24:34,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:24:34,368 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:24:34,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:24:34,442 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:24:34,444 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 16:24:34,446 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2024-11-08 16:24:34,448 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2024-11-08 16:24:34,448 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2024-11-08 16:24:34,449 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2024-11-08 16:24:34,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 16:24:34,454 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-08 16:24:34,478 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 16:24:34,481 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 04:24:34 BoogieIcfgContainer [2024-11-08 16:24:34,481 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 16:24:34,482 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 16:24:34,482 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 16:24:34,482 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 16:24:34,483 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:24:34" (3/4) ... [2024-11-08 16:24:34,485 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 16:24:34,489 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 16:24:34,490 INFO L158 Benchmark]: Toolchain (without parser) took 2407.05ms. Allocated memory is still 165.7MB. Free memory was 120.5MB in the beginning and 69.9MB in the end (delta: 50.5MB). Peak memory consumption was 51.8MB. Max. memory is 16.1GB. [2024-11-08 16:24:34,491 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 127.9MB. Free memory was 70.9MB in the beginning and 70.7MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:24:34,492 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1479.01ms. Allocated memory is still 165.7MB. Free memory was 120.0MB in the beginning and 108.6MB in the end (delta: 11.4MB). Peak memory consumption was 51.8MB. Max. memory is 16.1GB. [2024-11-08 16:24:34,493 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.12ms. Allocated memory is still 165.7MB. Free memory was 108.6MB in the beginning and 105.6MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 16:24:34,494 INFO L158 Benchmark]: Boogie Preprocessor took 57.19ms. Allocated memory is still 165.7MB. Free memory was 105.6MB in the beginning and 103.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:24:34,494 INFO L158 Benchmark]: RCFGBuilder took 399.13ms. Allocated memory is still 165.7MB. Free memory was 103.3MB in the beginning and 89.7MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 16:24:34,495 INFO L158 Benchmark]: TraceAbstraction took 383.35ms. Allocated memory is still 165.7MB. Free memory was 88.8MB in the beginning and 69.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-08 16:24:34,495 INFO L158 Benchmark]: Witness Printer took 7.34ms. Allocated memory is still 165.7MB. Free memory is still 69.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:24:34,501 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 127.9MB. Free memory was 70.9MB in the beginning and 70.7MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1479.01ms. Allocated memory is still 165.7MB. Free memory was 120.0MB in the beginning and 108.6MB in the end (delta: 11.4MB). Peak memory consumption was 51.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.12ms. Allocated memory is still 165.7MB. Free memory was 108.6MB in the beginning and 105.6MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.19ms. Allocated memory is still 165.7MB. Free memory was 105.6MB in the beginning and 103.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 399.13ms. Allocated memory is still 165.7MB. Free memory was 103.3MB in the beginning and 89.7MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 383.35ms. Allocated memory is still 165.7MB. Free memory was 88.8MB in the beginning and 69.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 7.34ms. Allocated memory is still 165.7MB. Free memory is still 69.9MB. 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: 1563]: 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 1585. 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] [L1585] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={2:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1585] 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] [L1586] CALL CWE191_Integer_Underflow__int_fscanf_postdec_12_bad() [L1550] int data; [L1551] data = 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] [L1552] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1552] RET globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE globalReturnsTrueOrFalse() [L1560] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1560] RET globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] COND TRUE globalReturnsTrueOrFalse() [L1563] 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: 1563]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1572]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1572]: 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 4 procedures, 41 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 2, 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=41occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 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 16:24:34,537 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360eea9a-7067-4deb-afdf-9afd679890f4/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_360eea9a-7067-4deb-afdf-9afd679890f4/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360eea9a-7067-4deb-afdf-9afd679890f4/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_360eea9a-7067-4deb-afdf-9afd679890f4/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360eea9a-7067-4deb-afdf-9afd679890f4/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_12_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360eea9a-7067-4deb-afdf-9afd679890f4/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_360eea9a-7067-4deb-afdf-9afd679890f4/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 00b9dd557219bafb84f7cbb7f8ae1b89e6cfb511fbadbd5cdec28bd83190b016 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:24:36,935 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:24:37,030 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360eea9a-7067-4deb-afdf-9afd679890f4/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-08 16:24:37,037 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:24:37,038 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:24:37,039 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-08 16:24:37,078 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:24:37,079 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:24:37,079 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:24:37,081 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:24:37,081 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:24:37,083 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:24:37,083 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:24:37,084 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:24:37,084 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:24:37,084 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:24:37,085 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:24:37,085 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:24:37,085 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:24:37,090 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:24:37,090 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:24:37,091 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:24:37,091 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 16:24:37,091 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 16:24:37,092 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:24:37,092 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 16:24:37,092 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 16:24:37,092 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 16:24:37,093 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:24:37,093 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:24:37,093 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:24:37,095 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:24:37,095 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:24:37,095 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:24:37,095 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:24:37,096 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:24:37,096 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:24:37,096 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:24:37,097 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 16:24:37,097 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 16:24:37,097 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:24:37,099 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:24:37,099 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:24:37,099 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:24:37,099 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_360eea9a-7067-4deb-afdf-9afd679890f4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360eea9a-7067-4deb-afdf-9afd679890f4/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 00b9dd557219bafb84f7cbb7f8ae1b89e6cfb511fbadbd5cdec28bd83190b016 [2024-11-08 16:24:37,508 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:24:37,537 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:24:37,540 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:24:37,541 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:24:37,541 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:24:37,542 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360eea9a-7067-4deb-afdf-9afd679890f4/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_12_bad.i Unable to find full path for "g++" [2024-11-08 16:24:39,713 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:24:40,110 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:24:40,110 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360eea9a-7067-4deb-afdf-9afd679890f4/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_12_bad.i [2024-11-08 16:24:40,139 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360eea9a-7067-4deb-afdf-9afd679890f4/bin/uautomizer-verify-jihMAELWvX/data/f696ea2d9/c5b9dc65d63e47829f6b2c9901d4405e/FLAG6b12c5ff6 [2024-11-08 16:24:40,160 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360eea9a-7067-4deb-afdf-9afd679890f4/bin/uautomizer-verify-jihMAELWvX/data/f696ea2d9/c5b9dc65d63e47829f6b2c9901d4405e [2024-11-08 16:24:40,162 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:24:40,166 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:24:40,168 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:24:40,169 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:24:40,175 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:24:40,176 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:24:40" (1/1) ... [2024-11-08 16:24:40,177 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@150782eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:40, skipping insertion in model container [2024-11-08 16:24:40,179 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:24:40" (1/1) ... [2024-11-08 16:24:40,250 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:24:41,483 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:24:41,497 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:24:41,594 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:24:41,710 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:24:41,711 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:41 WrapperNode [2024-11-08 16:24:41,711 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:24:41,712 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:24:41,712 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:24:41,712 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:24:41,720 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:41" (1/1) ... [2024-11-08 16:24:41,743 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:41" (1/1) ... [2024-11-08 16:24:41,764 INFO L138 Inliner]: procedures = 502, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 63 [2024-11-08 16:24:41,764 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:24:41,765 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:24:41,765 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:24:41,765 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:24:41,776 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:41" (1/1) ... [2024-11-08 16:24:41,776 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:41" (1/1) ... [2024-11-08 16:24:41,779 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:41" (1/1) ... [2024-11-08 16:24:41,790 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-08 16:24:41,791 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:41" (1/1) ... [2024-11-08 16:24:41,791 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:41" (1/1) ... [2024-11-08 16:24:41,799 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:41" (1/1) ... [2024-11-08 16:24:41,800 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:41" (1/1) ... [2024-11-08 16:24:41,803 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:41" (1/1) ... [2024-11-08 16:24:41,804 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:41" (1/1) ... [2024-11-08 16:24:41,808 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:24:41,809 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:24:41,809 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:24:41,809 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:24:41,810 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:41" (1/1) ... [2024-11-08 16:24:41,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:24:41,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360eea9a-7067-4deb-afdf-9afd679890f4/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:24:41,842 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360eea9a-7067-4deb-afdf-9afd679890f4/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:24:41,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360eea9a-7067-4deb-afdf-9afd679890f4/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:24:41,877 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-11-08 16:24:41,877 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-11-08 16:24:41,877 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2024-11-08 16:24:41,877 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2024-11-08 16:24:41,877 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 16:24:41,877 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 16:24:41,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:24:41,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:24:41,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:24:42,037 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:24:42,040 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:24:42,211 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-08 16:24:42,211 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:24:42,223 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:24:42,223 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 16:24:42,224 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:24:42 BoogieIcfgContainer [2024-11-08 16:24:42,224 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:24:42,227 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:24:42,227 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:24:42,231 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:24:42,232 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:24:40" (1/3) ... [2024-11-08 16:24:42,232 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43806476 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:24:42, skipping insertion in model container [2024-11-08 16:24:42,233 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:41" (2/3) ... [2024-11-08 16:24:42,233 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43806476 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:24:42, skipping insertion in model container [2024-11-08 16:24:42,233 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:24:42" (3/3) ... [2024-11-08 16:24:42,235 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_postdec_12_bad.i [2024-11-08 16:24:42,252 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:24:42,253 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-08 16:24:42,314 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:24:42,324 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;@5a2a92b1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:24:42,324 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-08 16:24:42,329 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 24 states have (on average 1.3333333333333333) internal successors, (32), 28 states have internal predecessors, (32), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-08 16:24:42,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 16:24:42,337 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:24:42,337 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:24:42,338 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-08 16:24:42,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:24:42,344 INFO L85 PathProgramCache]: Analyzing trace with hash -806793905, now seen corresponding path program 1 times [2024-11-08 16:24:42,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:24:42,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1310266805] [2024-11-08 16:24:42,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:24:42,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:24:42,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360eea9a-7067-4deb-afdf-9afd679890f4/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:24:42,361 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360eea9a-7067-4deb-afdf-9afd679890f4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:24:42,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360eea9a-7067-4deb-afdf-9afd679890f4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 16:24:42,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:24:42,536 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:24:42,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:24:42,616 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-08 16:24:42,618 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 16:24:42,620 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2024-11-08 16:24:42,622 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2024-11-08 16:24:42,623 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2024-11-08 16:24:42,623 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2024-11-08 16:24:42,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360eea9a-7067-4deb-afdf-9afd679890f4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 16:24:42,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360eea9a-7067-4deb-afdf-9afd679890f4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:24:42,829 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-08 16:24:42,864 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 16:24:42,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 04:24:42 BoogieIcfgContainer [2024-11-08 16:24:42,867 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 16:24:42,868 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 16:24:42,868 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 16:24:42,868 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 16:24:42,870 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:24:42" (3/4) ... [2024-11-08 16:24:42,873 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 16:24:42,875 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 16:24:42,876 INFO L158 Benchmark]: Toolchain (without parser) took 2709.92ms. Allocated memory was 86.0MB in the beginning and 113.2MB in the end (delta: 27.3MB). Free memory was 59.8MB in the beginning and 55.4MB in the end (delta: 4.4MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. [2024-11-08 16:24:42,878 INFO L158 Benchmark]: CDTParser took 0.99ms. Allocated memory is still 54.5MB. Free memory was 30.5MB in the beginning and 30.4MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:24:42,878 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1542.87ms. Allocated memory is still 86.0MB. Free memory was 59.6MB in the beginning and 41.1MB in the end (delta: 18.5MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. [2024-11-08 16:24:42,880 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.76ms. Allocated memory is still 86.0MB. Free memory was 41.1MB in the beginning and 37.9MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 16:24:42,881 INFO L158 Benchmark]: Boogie Preprocessor took 43.01ms. Allocated memory is still 86.0MB. Free memory was 37.9MB in the beginning and 35.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:24:42,882 INFO L158 Benchmark]: RCFGBuilder took 415.55ms. Allocated memory was 86.0MB in the beginning and 113.2MB in the end (delta: 27.3MB). Free memory was 35.4MB in the beginning and 73.7MB in the end (delta: -38.3MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2024-11-08 16:24:42,885 INFO L158 Benchmark]: TraceAbstraction took 640.82ms. Allocated memory is still 113.2MB. Free memory was 73.1MB in the beginning and 55.7MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 16:24:42,885 INFO L158 Benchmark]: Witness Printer took 6.92ms. Allocated memory is still 113.2MB. Free memory was 55.7MB in the beginning and 55.4MB in the end (delta: 322.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:24:42,890 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.99ms. Allocated memory is still 54.5MB. Free memory was 30.5MB in the beginning and 30.4MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1542.87ms. Allocated memory is still 86.0MB. Free memory was 59.6MB in the beginning and 41.1MB in the end (delta: 18.5MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.76ms. Allocated memory is still 86.0MB. Free memory was 41.1MB in the beginning and 37.9MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.01ms. Allocated memory is still 86.0MB. Free memory was 37.9MB in the beginning and 35.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 415.55ms. Allocated memory was 86.0MB in the beginning and 113.2MB in the end (delta: 27.3MB). Free memory was 35.4MB in the beginning and 73.7MB in the end (delta: -38.3MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * TraceAbstraction took 640.82ms. Allocated memory is still 113.2MB. Free memory was 73.1MB in the beginning and 55.7MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 6.92ms. Allocated memory is still 113.2MB. Free memory was 55.7MB in the beginning and 55.4MB in the end (delta: 322.2kB). 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: 1563]: 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 1585. 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] [L1585] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={2:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1585] 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] [L1586] CALL CWE191_Integer_Underflow__int_fscanf_postdec_12_bad() [L1550] int data; [L1551] data = 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] [L1552] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1552] RET globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE globalReturnsTrueOrFalse() [L1560] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1560] RET globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] COND TRUE globalReturnsTrueOrFalse() [L1563] 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: 1563]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1572]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1572]: 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 4 procedures, 39 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 2, 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=39occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 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 16:24:42,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360eea9a-7067-4deb-afdf-9afd679890f4/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