./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_11_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4554ffbd-9184-45df-bd73-e3777282ab46/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4554ffbd-9184-45df-bd73-e3777282ab46/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_4554ffbd-9184-45df-bd73-e3777282ab46/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4554ffbd-9184-45df-bd73-e3777282ab46/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_11_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4554ffbd-9184-45df-bd73-e3777282ab46/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_4554ffbd-9184-45df-bd73-e3777282ab46/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 55dbc1b210ec8881070d216837d2139e2a7b8b389c22d8ddca1c3fba303f0743 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:05:17,343 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:05:17,403 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4554ffbd-9184-45df-bd73-e3777282ab46/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-08 19:05:17,407 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:05:17,408 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 19:05:17,440 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:05:17,442 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 19:05:17,443 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 19:05:17,444 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 19:05:17,445 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 19:05:17,445 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:05:17,446 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 19:05:17,446 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:05:17,449 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:05:17,449 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 19:05:17,449 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:05:17,450 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:05:17,450 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:05:17,450 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:05:17,450 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:05:17,451 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:05:17,455 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:05:17,455 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:05:17,456 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 19:05:17,456 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:05:17,456 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:05:17,457 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:05:17,458 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:05:17,459 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 19:05:17,459 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 19:05:17,459 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 19:05:17,460 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:05:17,476 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:05:17,476 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:05:17,476 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:05:17,476 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 19:05:17,477 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:05:17,477 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 19:05:17,477 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 19:05:17,477 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 19:05:17,477 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 19:05:17,478 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_4554ffbd-9184-45df-bd73-e3777282ab46/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4554ffbd-9184-45df-bd73-e3777282ab46/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 55dbc1b210ec8881070d216837d2139e2a7b8b389c22d8ddca1c3fba303f0743 [2024-11-08 19:05:17,770 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:05:17,799 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:05:17,802 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:05:17,803 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:05:17,804 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:05:17,805 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4554ffbd-9184-45df-bd73-e3777282ab46/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_11_bad.i Unable to find full path for "g++" [2024-11-08 19:05:19,910 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:05:20,246 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:05:20,247 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4554ffbd-9184-45df-bd73-e3777282ab46/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_11_bad.i [2024-11-08 19:05:20,280 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4554ffbd-9184-45df-bd73-e3777282ab46/bin/uautomizer-verify-jihMAELWvX/data/fb5b21576/d0b33d38df1040508d16ec27d74eaf7b/FLAGb8fdb7977 [2024-11-08 19:05:20,295 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4554ffbd-9184-45df-bd73-e3777282ab46/bin/uautomizer-verify-jihMAELWvX/data/fb5b21576/d0b33d38df1040508d16ec27d74eaf7b [2024-11-08 19:05:20,298 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:05:20,300 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:05:20,301 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:05:20,301 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:05:20,307 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:05:20,308 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:05:20" (1/1) ... [2024-11-08 19:05:20,309 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41dc8383 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:20, skipping insertion in model container [2024-11-08 19:05:20,309 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:05:20" (1/1) ... [2024-11-08 19:05:20,381 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:05:21,361 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:05:21,371 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:05:21,459 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:05:21,717 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:05:21,718 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:21 WrapperNode [2024-11-08 19:05:21,718 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:05:21,719 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:05:21,720 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:05:21,720 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:05:21,729 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:21" (1/1) ... [2024-11-08 19:05:21,762 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:21" (1/1) ... [2024-11-08 19:05:21,796 INFO L138 Inliner]: procedures = 497, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 53 [2024-11-08 19:05:21,797 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:05:21,798 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:05:21,799 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:05:21,799 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:05:21,809 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:21" (1/1) ... [2024-11-08 19:05:21,809 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:21" (1/1) ... [2024-11-08 19:05:21,813 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:21" (1/1) ... [2024-11-08 19:05:21,827 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-08 19:05:21,827 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:21" (1/1) ... [2024-11-08 19:05:21,831 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:21" (1/1) ... [2024-11-08 19:05:21,842 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:21" (1/1) ... [2024-11-08 19:05:21,844 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:21" (1/1) ... [2024-11-08 19:05:21,845 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:21" (1/1) ... [2024-11-08 19:05:21,850 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:21" (1/1) ... [2024-11-08 19:05:21,853 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:05:21,854 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:05:21,854 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:05:21,854 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:05:21,855 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:21" (1/1) ... [2024-11-08 19:05:21,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:05:21,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4554ffbd-9184-45df-bd73-e3777282ab46/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:05:21,891 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4554ffbd-9184-45df-bd73-e3777282ab46/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 19:05:21,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4554ffbd-9184-45df-bd73-e3777282ab46/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 19:05:21,925 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 19:05:21,926 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 19:05:21,926 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2024-11-08 19:05:21,926 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2024-11-08 19:05:21,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:05:21,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:05:21,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:05:22,074 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:05:22,076 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:05:22,195 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-08 19:05:22,196 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:05:22,208 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:05:22,208 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 19:05:22,209 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:05:22 BoogieIcfgContainer [2024-11-08 19:05:22,209 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:05:22,212 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 19:05:22,212 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 19:05:22,216 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 19:05:22,216 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:05:20" (1/3) ... [2024-11-08 19:05:22,217 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8ccbee6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:05:22, skipping insertion in model container [2024-11-08 19:05:22,217 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:21" (2/3) ... [2024-11-08 19:05:22,218 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8ccbee6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:05:22, skipping insertion in model container [2024-11-08 19:05:22,218 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:05:22" (3/3) ... [2024-11-08 19:05:22,220 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_multiply_11_bad.i [2024-11-08 19:05:22,239 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 19:05:22,239 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 19:05:22,303 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 19:05:22,310 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;@7b6ad435, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 19:05:22,311 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 19:05:22,315 INFO L276 IsEmpty]: Start isEmpty. Operand has 29 states, 20 states have (on average 1.3) internal successors, (26), 22 states have internal predecessors, (26), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-08 19:05:22,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 19:05:22,324 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:05:22,325 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:05:22,326 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 19:05:22,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:05:22,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1406366263, now seen corresponding path program 1 times [2024-11-08 19:05:22,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:05:22,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780127710] [2024-11-08 19:05:22,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:05:22,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:05:22,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:05:22,498 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:05:22,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:05:22,569 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 19:05:22,571 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 19:05:22,576 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-08 19:05:22,579 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-08 19:05:22,580 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 19:05:22,584 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-08 19:05:22,615 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 19:05:22,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 07:05:22 BoogieIcfgContainer [2024-11-08 19:05:22,619 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 19:05:22,620 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:05:22,620 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:05:22,621 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:05:22,622 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:05:22" (3/4) ... [2024-11-08 19:05:22,627 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 19:05:22,628 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:05:22,630 INFO L158 Benchmark]: Toolchain (without parser) took 2330.05ms. Allocated memory was 155.2MB in the beginning and 239.1MB in the end (delta: 83.9MB). Free memory was 108.7MB in the beginning and 151.9MB in the end (delta: -43.2MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. [2024-11-08 19:05:22,630 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 155.2MB. Free memory was 123.5MB in the beginning and 123.3MB in the end (delta: 176.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:05:22,631 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1417.65ms. Allocated memory was 155.2MB in the beginning and 239.1MB in the end (delta: 83.9MB). Free memory was 108.7MB in the beginning and 187.5MB in the end (delta: -78.8MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2024-11-08 19:05:22,632 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.81ms. Allocated memory is still 239.1MB. Free memory was 187.5MB in the beginning and 185.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:05:22,634 INFO L158 Benchmark]: Boogie Preprocessor took 55.43ms. Allocated memory is still 239.1MB. Free memory was 185.4MB in the beginning and 183.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:05:22,634 INFO L158 Benchmark]: RCFGBuilder took 355.38ms. Allocated memory is still 239.1MB. Free memory was 183.3MB in the beginning and 169.7MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 19:05:22,636 INFO L158 Benchmark]: TraceAbstraction took 406.80ms. Allocated memory is still 239.1MB. Free memory was 168.6MB in the beginning and 151.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 19:05:22,637 INFO L158 Benchmark]: Witness Printer took 8.96ms. Allocated memory is still 239.1MB. Free memory is still 151.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:05:22,642 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 155.2MB. Free memory was 123.5MB in the beginning and 123.3MB in the end (delta: 176.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1417.65ms. Allocated memory was 155.2MB in the beginning and 239.1MB in the end (delta: 83.9MB). Free memory was 108.7MB in the beginning and 187.5MB in the end (delta: -78.8MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.81ms. Allocated memory is still 239.1MB. Free memory was 187.5MB in the beginning and 185.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.43ms. Allocated memory is still 239.1MB. Free memory was 185.4MB in the beginning and 183.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 355.38ms. Allocated memory is still 239.1MB. Free memory was 183.3MB in the beginning and 169.7MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 406.80ms. Allocated memory is still 239.1MB. Free memory was 168.6MB in the beginning and 151.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 8.96ms. Allocated memory is still 239.1MB. Free memory is still 151.9MB. 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: 1560]: 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 1568. 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] [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_fscanf_multiply_11_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \result=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] RET globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE globalReturnsTrue() [L1556] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \result=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] RET globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE globalReturnsTrue() [L1558] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 29 locations, 2 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=29occurred 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, 22 NumberOfCodeBlocks, 22 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 19:05:22,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4554ffbd-9184-45df-bd73-e3777282ab46/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4554ffbd-9184-45df-bd73-e3777282ab46/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4554ffbd-9184-45df-bd73-e3777282ab46/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_4554ffbd-9184-45df-bd73-e3777282ab46/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4554ffbd-9184-45df-bd73-e3777282ab46/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_11_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4554ffbd-9184-45df-bd73-e3777282ab46/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_4554ffbd-9184-45df-bd73-e3777282ab46/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 55dbc1b210ec8881070d216837d2139e2a7b8b389c22d8ddca1c3fba303f0743 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:05:25,048 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:05:25,132 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4554ffbd-9184-45df-bd73-e3777282ab46/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-08 19:05:25,139 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:05:25,140 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 19:05:25,140 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-08 19:05:25,191 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:05:25,192 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 19:05:25,192 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 19:05:25,197 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 19:05:25,197 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 19:05:25,198 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:05:25,198 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 19:05:25,199 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:05:25,199 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:05:25,199 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 19:05:25,200 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:05:25,200 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:05:25,200 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:05:25,201 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:05:25,201 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:05:25,203 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:05:25,203 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 19:05:25,204 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 19:05:25,204 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:05:25,204 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 19:05:25,204 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 19:05:25,205 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:05:25,205 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:05:25,205 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:05:25,206 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:05:25,206 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 19:05:25,206 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 19:05:25,206 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 19:05:25,207 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:05:25,207 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:05:25,207 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:05:25,207 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:05:25,208 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 19:05:25,208 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:05:25,208 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 19:05:25,210 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 19:05:25,210 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 19:05:25,210 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 19:05:25,210 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_4554ffbd-9184-45df-bd73-e3777282ab46/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4554ffbd-9184-45df-bd73-e3777282ab46/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 55dbc1b210ec8881070d216837d2139e2a7b8b389c22d8ddca1c3fba303f0743 [2024-11-08 19:05:25,590 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:05:25,611 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:05:25,616 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:05:25,617 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:05:25,618 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:05:25,619 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4554ffbd-9184-45df-bd73-e3777282ab46/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_11_bad.i Unable to find full path for "g++" [2024-11-08 19:05:27,615 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:05:28,035 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:05:28,035 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4554ffbd-9184-45df-bd73-e3777282ab46/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_11_bad.i [2024-11-08 19:05:28,067 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4554ffbd-9184-45df-bd73-e3777282ab46/bin/uautomizer-verify-jihMAELWvX/data/876fc2d36/e247e48cc02343e7a9e5d5846303cf3d/FLAGfe5f52166 [2024-11-08 19:05:28,197 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4554ffbd-9184-45df-bd73-e3777282ab46/bin/uautomizer-verify-jihMAELWvX/data/876fc2d36/e247e48cc02343e7a9e5d5846303cf3d [2024-11-08 19:05:28,199 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:05:28,201 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:05:28,202 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:05:28,203 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:05:28,209 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:05:28,209 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:05:28" (1/1) ... [2024-11-08 19:05:28,211 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e4421e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:28, skipping insertion in model container [2024-11-08 19:05:28,211 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:05:28" (1/1) ... [2024-11-08 19:05:28,283 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:05:29,506 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:05:29,521 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:05:29,639 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:05:29,785 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:05:29,786 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:29 WrapperNode [2024-11-08 19:05:29,786 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:05:29,787 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:05:29,787 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:05:29,787 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:05:29,795 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:29" (1/1) ... [2024-11-08 19:05:29,824 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:29" (1/1) ... [2024-11-08 19:05:29,846 INFO L138 Inliner]: procedures = 502, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 50 [2024-11-08 19:05:29,847 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:05:29,847 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:05:29,848 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:05:29,848 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:05:29,860 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:29" (1/1) ... [2024-11-08 19:05:29,860 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:29" (1/1) ... [2024-11-08 19:05:29,863 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:29" (1/1) ... [2024-11-08 19:05:29,874 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-08 19:05:29,874 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:29" (1/1) ... [2024-11-08 19:05:29,874 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:29" (1/1) ... [2024-11-08 19:05:29,881 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:29" (1/1) ... [2024-11-08 19:05:29,885 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:29" (1/1) ... [2024-11-08 19:05:29,887 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:29" (1/1) ... [2024-11-08 19:05:29,894 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:29" (1/1) ... [2024-11-08 19:05:29,902 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:05:29,903 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:05:29,903 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:05:29,903 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:05:29,904 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:29" (1/1) ... [2024-11-08 19:05:29,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:05:29,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4554ffbd-9184-45df-bd73-e3777282ab46/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:05:29,941 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4554ffbd-9184-45df-bd73-e3777282ab46/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 19:05:29,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4554ffbd-9184-45df-bd73-e3777282ab46/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 19:05:29,992 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 19:05:29,992 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 19:05:29,992 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2024-11-08 19:05:29,993 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2024-11-08 19:05:29,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:05:29,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:05:29,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:05:30,198 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:05:30,201 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:05:30,336 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-08 19:05:30,336 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:05:30,349 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:05:30,352 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 19:05:30,352 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:05:30 BoogieIcfgContainer [2024-11-08 19:05:30,352 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:05:30,355 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 19:05:30,356 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 19:05:30,360 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 19:05:30,361 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:05:28" (1/3) ... [2024-11-08 19:05:30,361 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b999929 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:05:30, skipping insertion in model container [2024-11-08 19:05:30,363 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:29" (2/3) ... [2024-11-08 19:05:30,363 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b999929 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:05:30, skipping insertion in model container [2024-11-08 19:05:30,364 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:05:30" (3/3) ... [2024-11-08 19:05:30,366 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_multiply_11_bad.i [2024-11-08 19:05:30,385 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 19:05:30,385 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 19:05:30,444 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 19:05:30,452 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;@1d974478, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 19:05:30,453 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 19:05:30,459 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 20 states have internal predecessors, (24), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-08 19:05:30,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 19:05:30,467 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:05:30,467 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:05:30,468 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 19:05:30,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:05:30,473 INFO L85 PathProgramCache]: Analyzing trace with hash -509176388, now seen corresponding path program 1 times [2024-11-08 19:05:30,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:05:30,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1133256543] [2024-11-08 19:05:30,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:05:30,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:05:30,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4554ffbd-9184-45df-bd73-e3777282ab46/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:05:30,489 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4554ffbd-9184-45df-bd73-e3777282ab46/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:05:30,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4554ffbd-9184-45df-bd73-e3777282ab46/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 19:05:30,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:05:30,674 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:05:30,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:05:30,758 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-08 19:05:30,760 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 19:05:30,761 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-08 19:05:30,765 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-08 19:05:30,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4554ffbd-9184-45df-bd73-e3777282ab46/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-08 19:05:30,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4554ffbd-9184-45df-bd73-e3777282ab46/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:05:30,970 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-08 19:05:30,996 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 19:05:30,999 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 07:05:30 BoogieIcfgContainer [2024-11-08 19:05:30,999 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 19:05:31,000 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:05:31,000 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:05:31,001 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:05:31,001 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:05:30" (3/4) ... [2024-11-08 19:05:31,004 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 19:05:31,005 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:05:31,006 INFO L158 Benchmark]: Toolchain (without parser) took 2805.38ms. Allocated memory is still 96.5MB. Free memory was 68.5MB in the beginning and 39.5MB in the end (delta: 29.0MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2024-11-08 19:05:31,007 INFO L158 Benchmark]: CDTParser took 2.10ms. Allocated memory is still 67.1MB. Free memory is still 43.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:05:31,017 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1583.88ms. Allocated memory is still 96.5MB. Free memory was 68.3MB in the beginning and 49.6MB in the end (delta: 18.6MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. [2024-11-08 19:05:31,018 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.82ms. Allocated memory is still 96.5MB. Free memory was 49.6MB in the beginning and 46.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:05:31,018 INFO L158 Benchmark]: Boogie Preprocessor took 54.66ms. Allocated memory is still 96.5MB. Free memory was 46.4MB in the beginning and 43.9MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 19:05:31,019 INFO L158 Benchmark]: RCFGBuilder took 449.96ms. Allocated memory is still 96.5MB. Free memory was 43.9MB in the beginning and 56.8MB in the end (delta: -12.9MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2024-11-08 19:05:31,020 INFO L158 Benchmark]: TraceAbstraction took 644.89ms. Allocated memory is still 96.5MB. Free memory was 56.3MB in the beginning and 39.6MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 19:05:31,020 INFO L158 Benchmark]: Witness Printer took 5.18ms. Allocated memory is still 96.5MB. Free memory was 39.6MB in the beginning and 39.5MB in the end (delta: 126.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:05:31,028 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.10ms. Allocated memory is still 67.1MB. Free memory is still 43.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1583.88ms. Allocated memory is still 96.5MB. Free memory was 68.3MB in the beginning and 49.6MB in the end (delta: 18.6MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.82ms. Allocated memory is still 96.5MB. Free memory was 49.6MB in the beginning and 46.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.66ms. Allocated memory is still 96.5MB. Free memory was 46.4MB in the beginning and 43.9MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 449.96ms. Allocated memory is still 96.5MB. Free memory was 43.9MB in the beginning and 56.8MB in the end (delta: -12.9MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. * TraceAbstraction took 644.89ms. Allocated memory is still 96.5MB. Free memory was 56.3MB in the beginning and 39.6MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.18ms. Allocated memory is still 96.5MB. Free memory was 39.6MB in the beginning and 39.5MB in the end (delta: 126.3kB). 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: 1560]: 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 1568. 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] [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_fscanf_multiply_11_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \result=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] RET globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE globalReturnsTrue() [L1556] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \result=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] RET globalReturnsTrue() 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] [L1556] COND TRUE globalReturnsTrue() [L1558] COND TRUE data < 0 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] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 27 locations, 2 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=27occurred 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, 20 NumberOfCodeBlocks, 20 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 19:05:31,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4554ffbd-9184-45df-bd73-e3777282ab46/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