./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_65_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_9bbcd88b-84c7-444a-8235-7af7c7fe3280/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bbcd88b-84c7-444a-8235-7af7c7fe3280/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_9bbcd88b-84c7-444a-8235-7af7c7fe3280/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bbcd88b-84c7-444a-8235-7af7c7fe3280/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bbcd88b-84c7-444a-8235-7af7c7fe3280/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_9bbcd88b-84c7-444a-8235-7af7c7fe3280/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 12e9434a2e09ec05aa702f79792559baff1de40812e835a4bccec7ea02059510 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:50:59,215 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:50:59,326 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bbcd88b-84c7-444a-8235-7af7c7fe3280/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-08 17:50:59,333 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:50:59,334 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:50:59,385 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:50:59,386 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:50:59,386 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:50:59,387 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:50:59,388 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:50:59,389 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:50:59,390 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:50:59,391 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:50:59,395 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:50:59,395 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:50:59,396 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:50:59,396 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:50:59,397 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:50:59,397 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:50:59,398 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:50:59,398 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:50:59,403 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:50:59,403 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:50:59,403 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 17:50:59,404 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 17:50:59,404 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:50:59,404 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:50:59,405 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:50:59,405 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:50:59,406 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:50:59,406 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:50:59,408 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:50:59,409 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:50:59,410 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:50:59,410 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:50:59,411 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:50:59,411 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 17:50:59,412 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:50:59,412 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:50:59,412 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:50:59,413 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:50:59,413 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_9bbcd88b-84c7-444a-8235-7af7c7fe3280/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bbcd88b-84c7-444a-8235-7af7c7fe3280/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12e9434a2e09ec05aa702f79792559baff1de40812e835a4bccec7ea02059510 [2024-11-08 17:50:59,760 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:50:59,795 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:50:59,799 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:50:59,801 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:50:59,802 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:50:59,804 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bbcd88b-84c7-444a-8235-7af7c7fe3280/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_65_bad.i Unable to find full path for "g++" [2024-11-08 17:51:02,301 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:51:02,674 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:51:02,675 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bbcd88b-84c7-444a-8235-7af7c7fe3280/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_65_bad.i [2024-11-08 17:51:02,710 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bbcd88b-84c7-444a-8235-7af7c7fe3280/bin/uautomizer-verify-jihMAELWvX/data/74f531929/e0416bbc355c48e3a44fea4d1ee8c897/FLAG7a861cb91 [2024-11-08 17:51:02,730 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bbcd88b-84c7-444a-8235-7af7c7fe3280/bin/uautomizer-verify-jihMAELWvX/data/74f531929/e0416bbc355c48e3a44fea4d1ee8c897 [2024-11-08 17:51:02,733 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:51:02,735 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:51:02,738 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:51:02,738 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:51:02,746 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:51:02,748 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:51:02" (1/1) ... [2024-11-08 17:51:02,749 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44ac32e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:51:02, skipping insertion in model container [2024-11-08 17:51:02,750 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:51:02" (1/1) ... [2024-11-08 17:51:02,827 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:51:04,257 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:51:04,272 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:51:04,428 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:51:04,585 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:51:04,585 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:51:04 WrapperNode [2024-11-08 17:51:04,585 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:51:04,587 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:51:04,587 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:51:04,587 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:51:04,597 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:51:04" (1/1) ... [2024-11-08 17:51:04,643 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:51:04" (1/1) ... [2024-11-08 17:51:04,692 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 44 [2024-11-08 17:51:04,693 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:51:04,694 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:51:04,694 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:51:04,694 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:51:04,708 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:51:04" (1/1) ... [2024-11-08 17:51:04,708 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:51:04" (1/1) ... [2024-11-08 17:51:04,711 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:51:04" (1/1) ... [2024-11-08 17:51:04,724 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-08 17:51:04,724 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:51:04" (1/1) ... [2024-11-08 17:51:04,725 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:51:04" (1/1) ... [2024-11-08 17:51:04,730 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:51:04" (1/1) ... [2024-11-08 17:51:04,732 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:51:04" (1/1) ... [2024-11-08 17:51:04,734 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:51:04" (1/1) ... [2024-11-08 17:51:04,735 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:51:04" (1/1) ... [2024-11-08 17:51:04,738 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:51:04,739 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:51:04,739 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:51:04,739 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:51:04,740 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:51:04" (1/1) ... [2024-11-08 17:51:04,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:51:04,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bbcd88b-84c7-444a-8235-7af7c7fe3280/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:51:04,783 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bbcd88b-84c7-444a-8235-7af7c7fe3280/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:51:04,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bbcd88b-84c7-444a-8235-7af7c7fe3280/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:51:04,822 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 17:51:04,822 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 17:51:04,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:51:04,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:51:04,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:51:04,992 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:51:04,995 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:51:05,135 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-08 17:51:05,135 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:51:05,151 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:51:05,152 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 17:51:05,152 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:51:05 BoogieIcfgContainer [2024-11-08 17:51:05,153 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:51:05,158 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:51:05,158 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:51:05,164 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:51:05,164 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:51:02" (1/3) ... [2024-11-08 17:51:05,165 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ed59204 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:51:05, skipping insertion in model container [2024-11-08 17:51:05,166 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:51:04" (2/3) ... [2024-11-08 17:51:05,166 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ed59204 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:51:05, skipping insertion in model container [2024-11-08 17:51:05,166 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:51:05" (3/3) ... [2024-11-08 17:51:05,170 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_sub_65_bad.i [2024-11-08 17:51:05,193 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:51:05,194 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 17:51:05,277 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:51:05,286 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;@438b0f2c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:51:05,286 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 17:51:05,291 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.2) internal successors, (18), 17 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-08 17:51:05,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 17:51:05,301 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:51:05,301 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:51:05,302 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 17:51:05,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:51:05,311 INFO L85 PathProgramCache]: Analyzing trace with hash -664697225, now seen corresponding path program 1 times [2024-11-08 17:51:05,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:51:05,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818635058] [2024-11-08 17:51:05,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:51:05,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:51:05,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:51:05,495 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:51:05,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:51:05,545 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:51:05,548 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 17:51:05,549 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-08 17:51:05,552 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-08 17:51:05,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 17:51:05,557 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-08 17:51:05,576 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 17:51:05,580 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:51:05 BoogieIcfgContainer [2024-11-08 17:51:05,580 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 17:51:05,581 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 17:51:05,581 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 17:51:05,581 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 17:51:05,582 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:51:05" (3/4) ... [2024-11-08 17:51:05,585 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 17:51:05,586 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 17:51:05,588 INFO L158 Benchmark]: Toolchain (without parser) took 2852.33ms. Allocated memory is still 182.5MB. Free memory was 139.8MB in the beginning and 88.2MB in the end (delta: 51.6MB). Peak memory consumption was 53.7MB. Max. memory is 16.1GB. [2024-11-08 17:51:05,588 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 127.9MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:51:05,589 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1848.24ms. Allocated memory is still 182.5MB. Free memory was 139.8MB in the beginning and 121.6MB in the end (delta: 18.1MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. [2024-11-08 17:51:05,590 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.56ms. Allocated memory is still 182.5MB. Free memory was 121.6MB in the beginning and 118.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:51:05,590 INFO L158 Benchmark]: Boogie Preprocessor took 44.29ms. Allocated memory is still 182.5MB. Free memory was 118.6MB in the beginning and 117.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:51:05,591 INFO L158 Benchmark]: RCFGBuilder took 414.27ms. Allocated memory is still 182.5MB. Free memory was 116.5MB in the beginning and 105.0MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 17:51:05,592 INFO L158 Benchmark]: TraceAbstraction took 421.78ms. Allocated memory is still 182.5MB. Free memory was 103.9MB in the beginning and 88.2MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 17:51:05,592 INFO L158 Benchmark]: Witness Printer took 5.83ms. Allocated memory is still 182.5MB. Free memory is still 88.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:51:05,595 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 127.9MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1848.24ms. Allocated memory is still 182.5MB. Free memory was 139.8MB in the beginning and 121.6MB in the end (delta: 18.1MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.56ms. Allocated memory is still 182.5MB. Free memory was 121.6MB in the beginning and 118.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.29ms. Allocated memory is still 182.5MB. Free memory was 118.6MB in the beginning and 117.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 414.27ms. Allocated memory is still 182.5MB. Free memory was 116.5MB in the beginning and 105.0MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 421.78ms. Allocated memory is still 182.5MB. Free memory was 103.9MB in the beginning and 88.2MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.83ms. Allocated memory is still 182.5MB. Free memory is still 88.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1568]: 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 1560. 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] [L1560] 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) [L1560] 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] [L1561] CALL CWE191_Integer_Underflow__int_min_sub_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE191_Integer_Underflow__int_min_sub_65b_badSink; [L1553] data = 0 [L1554] data = (-0x7fffffff - 1) [L1555] CALL funcPtr(data) [L1568] data - 1 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: 1568]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred 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, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 17:51:05,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bbcd88b-84c7-444a-8235-7af7c7fe3280/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bbcd88b-84c7-444a-8235-7af7c7fe3280/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bbcd88b-84c7-444a-8235-7af7c7fe3280/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_9bbcd88b-84c7-444a-8235-7af7c7fe3280/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bbcd88b-84c7-444a-8235-7af7c7fe3280/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bbcd88b-84c7-444a-8235-7af7c7fe3280/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_9bbcd88b-84c7-444a-8235-7af7c7fe3280/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 12e9434a2e09ec05aa702f79792559baff1de40812e835a4bccec7ea02059510 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:51:08,680 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:51:08,807 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bbcd88b-84c7-444a-8235-7af7c7fe3280/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-08 17:51:08,817 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:51:08,818 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:51:08,819 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-08 17:51:08,847 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:51:08,848 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:51:08,849 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:51:08,849 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:51:08,850 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:51:08,850 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:51:08,851 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:51:08,852 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:51:08,852 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:51:08,853 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:51:08,853 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:51:08,854 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:51:08,854 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:51:08,855 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:51:08,855 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:51:08,860 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:51:08,860 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 17:51:08,860 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 17:51:08,861 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:51:08,861 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 17:51:08,861 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 17:51:08,862 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 17:51:08,862 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:51:08,862 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:51:08,863 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:51:08,867 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:51:08,868 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:51:08,868 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:51:08,868 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:51:08,869 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:51:08,869 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:51:08,869 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:51:08,870 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 17:51:08,870 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 17:51:08,872 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:51:08,872 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:51:08,873 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:51:08,873 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:51:08,884 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_9bbcd88b-84c7-444a-8235-7af7c7fe3280/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bbcd88b-84c7-444a-8235-7af7c7fe3280/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12e9434a2e09ec05aa702f79792559baff1de40812e835a4bccec7ea02059510 [2024-11-08 17:51:09,352 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:51:09,393 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:51:09,396 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:51:09,398 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:51:09,399 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:51:09,401 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bbcd88b-84c7-444a-8235-7af7c7fe3280/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_65_bad.i Unable to find full path for "g++" [2024-11-08 17:51:11,817 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:51:12,276 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:51:12,278 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bbcd88b-84c7-444a-8235-7af7c7fe3280/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_65_bad.i [2024-11-08 17:51:12,314 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bbcd88b-84c7-444a-8235-7af7c7fe3280/bin/uautomizer-verify-jihMAELWvX/data/fb44fe015/2867e53b4eb74c5f91b1574a56c766af/FLAG3887a42b1 [2024-11-08 17:51:12,339 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bbcd88b-84c7-444a-8235-7af7c7fe3280/bin/uautomizer-verify-jihMAELWvX/data/fb44fe015/2867e53b4eb74c5f91b1574a56c766af [2024-11-08 17:51:12,342 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:51:12,344 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:51:12,345 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:51:12,346 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:51:12,353 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:51:12,354 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:51:12" (1/1) ... [2024-11-08 17:51:12,357 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@160c768d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:51:12, skipping insertion in model container [2024-11-08 17:51:12,357 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:51:12" (1/1) ... [2024-11-08 17:51:12,456 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:51:14,020 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:51:14,040 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:51:14,173 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:51:14,414 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:51:14,415 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:51:14 WrapperNode [2024-11-08 17:51:14,419 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:51:14,420 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:51:14,421 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:51:14,421 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:51:14,430 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:51:14" (1/1) ... [2024-11-08 17:51:14,479 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:51:14" (1/1) ... [2024-11-08 17:51:14,522 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 44 [2024-11-08 17:51:14,524 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:51:14,525 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:51:14,526 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:51:14,526 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:51:14,539 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:51:14" (1/1) ... [2024-11-08 17:51:14,539 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:51:14" (1/1) ... [2024-11-08 17:51:14,542 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:51:14" (1/1) ... [2024-11-08 17:51:14,566 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-08 17:51:14,566 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:51:14" (1/1) ... [2024-11-08 17:51:14,566 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:51:14" (1/1) ... [2024-11-08 17:51:14,578 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:51:14" (1/1) ... [2024-11-08 17:51:14,588 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:51:14" (1/1) ... [2024-11-08 17:51:14,591 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:51:14" (1/1) ... [2024-11-08 17:51:14,593 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:51:14" (1/1) ... [2024-11-08 17:51:14,596 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:51:14,598 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:51:14,598 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:51:14,598 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:51:14,599 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:51:14" (1/1) ... [2024-11-08 17:51:14,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:51:14,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bbcd88b-84c7-444a-8235-7af7c7fe3280/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:51:14,641 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bbcd88b-84c7-444a-8235-7af7c7fe3280/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:51:14,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bbcd88b-84c7-444a-8235-7af7c7fe3280/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:51:14,700 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 17:51:14,701 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 17:51:14,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:51:14,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:51:14,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:51:14,956 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:51:14,959 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:51:15,155 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-08 17:51:15,155 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:51:15,178 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:51:15,180 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 17:51:15,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:51:15 BoogieIcfgContainer [2024-11-08 17:51:15,181 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:51:15,184 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:51:15,185 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:51:15,189 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:51:15,189 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:51:12" (1/3) ... [2024-11-08 17:51:15,190 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d6c1d7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:51:15, skipping insertion in model container [2024-11-08 17:51:15,191 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:51:14" (2/3) ... [2024-11-08 17:51:15,192 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d6c1d7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:51:15, skipping insertion in model container [2024-11-08 17:51:15,193 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:51:15" (3/3) ... [2024-11-08 17:51:15,195 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_sub_65_bad.i [2024-11-08 17:51:15,217 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:51:15,218 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 17:51:15,321 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:51:15,331 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;@73256fe5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:51:15,332 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 17:51:15,338 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.2) internal successors, (18), 17 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-08 17:51:15,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 17:51:15,349 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:51:15,350 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:51:15,351 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 17:51:15,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:51:15,362 INFO L85 PathProgramCache]: Analyzing trace with hash -664697225, now seen corresponding path program 1 times [2024-11-08 17:51:15,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:51:15,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [317900253] [2024-11-08 17:51:15,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:51:15,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:51:15,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bbcd88b-84c7-444a-8235-7af7c7fe3280/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:51:15,388 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bbcd88b-84c7-444a-8235-7af7c7fe3280/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:51:15,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bbcd88b-84c7-444a-8235-7af7c7fe3280/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 17:51:15,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:51:15,600 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:51:15,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:51:15,651 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-08 17:51:15,653 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 17:51:15,654 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-08 17:51:15,656 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-08 17:51:15,679 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bbcd88b-84c7-444a-8235-7af7c7fe3280/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-08 17:51:15,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bbcd88b-84c7-444a-8235-7af7c7fe3280/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:51:15,862 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-08 17:51:15,887 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 17:51:15,891 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:51:15 BoogieIcfgContainer [2024-11-08 17:51:15,891 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 17:51:15,892 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 17:51:15,893 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 17:51:15,893 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 17:51:15,894 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:51:15" (3/4) ... [2024-11-08 17:51:15,897 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 17:51:15,898 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 17:51:15,899 INFO L158 Benchmark]: Toolchain (without parser) took 3554.93ms. Allocated memory was 77.6MB in the beginning and 100.7MB in the end (delta: 23.1MB). Free memory was 52.4MB in the beginning and 43.9MB in the end (delta: 8.4MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. [2024-11-08 17:51:15,900 INFO L158 Benchmark]: CDTParser took 1.67ms. Allocated memory is still 77.6MB. Free memory was 53.6MB in the beginning and 53.5MB in the end (delta: 94.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:51:15,901 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2074.23ms. Allocated memory was 77.6MB in the beginning and 100.7MB in the end (delta: 23.1MB). Free memory was 52.1MB in the beginning and 47.6MB in the end (delta: 4.5MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2024-11-08 17:51:15,902 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.94ms. Allocated memory is still 100.7MB. Free memory was 47.6MB in the beginning and 44.5MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 17:51:15,903 INFO L158 Benchmark]: Boogie Preprocessor took 71.70ms. Allocated memory is still 100.7MB. Free memory was 44.5MB in the beginning and 41.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:51:15,904 INFO L158 Benchmark]: RCFGBuilder took 583.67ms. Allocated memory is still 100.7MB. Free memory was 41.9MB in the beginning and 60.8MB in the end (delta: -18.8MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2024-11-08 17:51:15,905 INFO L158 Benchmark]: TraceAbstraction took 707.14ms. Allocated memory is still 100.7MB. Free memory was 60.2MB in the beginning and 44.6MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 17:51:15,905 INFO L158 Benchmark]: Witness Printer took 5.38ms. Allocated memory is still 100.7MB. Free memory was 44.6MB in the beginning and 43.9MB in the end (delta: 611.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:51:15,910 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.67ms. Allocated memory is still 77.6MB. Free memory was 53.6MB in the beginning and 53.5MB in the end (delta: 94.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2074.23ms. Allocated memory was 77.6MB in the beginning and 100.7MB in the end (delta: 23.1MB). Free memory was 52.1MB in the beginning and 47.6MB in the end (delta: 4.5MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.94ms. Allocated memory is still 100.7MB. Free memory was 47.6MB in the beginning and 44.5MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.70ms. Allocated memory is still 100.7MB. Free memory was 44.5MB in the beginning and 41.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 583.67ms. Allocated memory is still 100.7MB. Free memory was 41.9MB in the beginning and 60.8MB in the end (delta: -18.8MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * TraceAbstraction took 707.14ms. Allocated memory is still 100.7MB. Free memory was 60.2MB in the beginning and 44.6MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.38ms. Allocated memory is still 100.7MB. Free memory was 44.6MB in the beginning and 43.9MB in the end (delta: 611.5kB). 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: 1568]: 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 1560. 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] [L1560] 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) [L1560] 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] [L1561] CALL CWE191_Integer_Underflow__int_min_sub_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE191_Integer_Underflow__int_min_sub_65b_badSink; [L1553] data = 0 [L1554] data = (-0x7fffffff - 1) [L1555] CALL funcPtr(data) [L1568] data - 1 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: 1568]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred 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, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 17:51:15,966 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bbcd88b-84c7-444a-8235-7af7c7fe3280/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample