./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_41_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb88f7fd-79a9-4f1b-b920-3daa3b9f288c/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb88f7fd-79a9-4f1b-b920-3daa3b9f288c/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_bb88f7fd-79a9-4f1b-b920-3daa3b9f288c/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb88f7fd-79a9-4f1b-b920-3daa3b9f288c/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_41_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb88f7fd-79a9-4f1b-b920-3daa3b9f288c/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_bb88f7fd-79a9-4f1b-b920-3daa3b9f288c/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 3424177a030cc9e03e31768e8346c059cde7f8a3c67ebed126a4542c223bfb83 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:08:37,010 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:08:37,077 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb88f7fd-79a9-4f1b-b920-3daa3b9f288c/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-08 19:08:37,082 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:08:37,082 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 19:08:37,107 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:08:37,108 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 19:08:37,108 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 19:08:37,109 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 19:08:37,109 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 19:08:37,110 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:08:37,110 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 19:08:37,111 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:08:37,112 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:08:37,112 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 19:08:37,113 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:08:37,113 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:08:37,113 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:08:37,114 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:08:37,114 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:08:37,115 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:08:37,120 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:08:37,120 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:08:37,121 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 19:08:37,121 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:08:37,125 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:08:37,125 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:08:37,125 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:08:37,126 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 19:08:37,126 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 19:08:37,126 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 19:08:37,127 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:08:37,127 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:08:37,128 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:08:37,130 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:08:37,131 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 19:08:37,131 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:08:37,131 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 19:08:37,131 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 19:08:37,132 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 19:08:37,132 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 19:08:37,132 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_bb88f7fd-79a9-4f1b-b920-3daa3b9f288c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb88f7fd-79a9-4f1b-b920-3daa3b9f288c/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3424177a030cc9e03e31768e8346c059cde7f8a3c67ebed126a4542c223bfb83 [2024-11-08 19:08:37,395 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:08:37,433 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:08:37,436 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:08:37,437 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:08:37,438 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:08:37,439 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb88f7fd-79a9-4f1b-b920-3daa3b9f288c/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_41_bad.i Unable to find full path for "g++" [2024-11-08 19:08:39,363 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:08:39,718 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:08:39,722 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb88f7fd-79a9-4f1b-b920-3daa3b9f288c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_41_bad.i [2024-11-08 19:08:39,759 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb88f7fd-79a9-4f1b-b920-3daa3b9f288c/bin/uautomizer-verify-jihMAELWvX/data/d6579b7d4/7b4fa1d101974e9cb643d52e3f189b29/FLAGf098ef20a [2024-11-08 19:08:39,780 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb88f7fd-79a9-4f1b-b920-3daa3b9f288c/bin/uautomizer-verify-jihMAELWvX/data/d6579b7d4/7b4fa1d101974e9cb643d52e3f189b29 [2024-11-08 19:08:39,784 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:08:39,787 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:08:39,788 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:08:39,789 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:08:39,795 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:08:39,796 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:08:39" (1/1) ... [2024-11-08 19:08:39,797 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ce9714e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:08:39, skipping insertion in model container [2024-11-08 19:08:39,797 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:08:39" (1/1) ... [2024-11-08 19:08:39,863 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:08:40,927 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:08:40,939 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:08:41,053 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:08:41,202 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:08:41,202 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:08:41 WrapperNode [2024-11-08 19:08:41,203 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:08:41,204 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:08:41,204 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:08:41,204 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:08:41,212 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:08:41" (1/1) ... [2024-11-08 19:08:41,245 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:08:41" (1/1) ... [2024-11-08 19:08:41,279 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 43 [2024-11-08 19:08:41,279 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:08:41,280 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:08:41,280 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:08:41,280 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:08:41,293 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:08:41" (1/1) ... [2024-11-08 19:08:41,294 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:08:41" (1/1) ... [2024-11-08 19:08:41,299 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:08:41" (1/1) ... [2024-11-08 19:08:41,319 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-08 19:08:41,320 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:08:41" (1/1) ... [2024-11-08 19:08:41,324 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:08:41" (1/1) ... [2024-11-08 19:08:41,327 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:08:41" (1/1) ... [2024-11-08 19:08:41,333 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:08:41" (1/1) ... [2024-11-08 19:08:41,334 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:08:41" (1/1) ... [2024-11-08 19:08:41,340 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:08:41" (1/1) ... [2024-11-08 19:08:41,342 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:08:41,346 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:08:41,346 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:08:41,347 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:08:41,347 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:08:41" (1/1) ... [2024-11-08 19:08:41,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:08:41,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb88f7fd-79a9-4f1b-b920-3daa3b9f288c/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:08:41,385 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb88f7fd-79a9-4f1b-b920-3daa3b9f288c/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 19:08:41,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb88f7fd-79a9-4f1b-b920-3daa3b9f288c/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 19:08:41,422 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 19:08:41,422 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 19:08:41,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:08:41,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:08:41,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:08:41,589 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:08:41,591 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:08:41,713 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-08 19:08:41,713 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:08:41,725 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:08:41,725 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 19:08:41,726 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:08:41 BoogieIcfgContainer [2024-11-08 19:08:41,726 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:08:41,728 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 19:08:41,728 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 19:08:41,732 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 19:08:41,732 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:08:39" (1/3) ... [2024-11-08 19:08:41,733 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79e0d63f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:08:41, skipping insertion in model container [2024-11-08 19:08:41,733 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:08:41" (2/3) ... [2024-11-08 19:08:41,733 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79e0d63f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:08:41, skipping insertion in model container [2024-11-08 19:08:41,734 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:08:41" (3/3) ... [2024-11-08 19:08:41,735 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_predec_41_bad.i [2024-11-08 19:08:41,754 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 19:08:41,754 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 19:08:41,837 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 19:08:41,847 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;@4d10328b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 19:08:41,847 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 19:08:41,851 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 16 states have internal predecessors, (17), 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 19:08:41,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 19:08:41,859 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:08:41,859 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:08:41,860 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 19:08:41,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:08:41,866 INFO L85 PathProgramCache]: Analyzing trace with hash 1855260787, now seen corresponding path program 1 times [2024-11-08 19:08:41,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:08:41,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634599197] [2024-11-08 19:08:41,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:08:41,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:08:42,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:08:42,000 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:08:42,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:08:42,048 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 19:08:42,050 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 19:08:42,051 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-08 19:08:42,052 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-08 19:08:42,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 19:08:42,056 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-08 19:08:42,073 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 19:08:42,076 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 07:08:42 BoogieIcfgContainer [2024-11-08 19:08:42,076 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 19:08:42,077 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:08:42,077 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:08:42,077 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:08:42,078 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:08:41" (3/4) ... [2024-11-08 19:08:42,081 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 19:08:42,081 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:08:42,082 INFO L158 Benchmark]: Toolchain (without parser) took 2295.46ms. Allocated memory was 113.2MB in the beginning and 148.9MB in the end (delta: 35.7MB). Free memory was 71.2MB in the beginning and 95.5MB in the end (delta: -24.2MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2024-11-08 19:08:42,083 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 113.2MB. Free memory was 80.5MB in the beginning and 80.5MB in the end (delta: 24.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:08:42,084 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1414.49ms. Allocated memory was 113.2MB in the beginning and 148.9MB in the end (delta: 35.7MB). Free memory was 70.9MB in the beginning and 72.1MB in the end (delta: -1.2MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. [2024-11-08 19:08:42,084 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.68ms. Allocated memory is still 148.9MB. Free memory was 72.1MB in the beginning and 69.1MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 19:08:42,085 INFO L158 Benchmark]: Boogie Preprocessor took 65.82ms. Allocated memory is still 148.9MB. Free memory was 69.1MB in the beginning and 67.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:08:42,085 INFO L158 Benchmark]: RCFGBuilder took 379.62ms. Allocated memory is still 148.9MB. Free memory was 67.0MB in the beginning and 113.3MB in the end (delta: -46.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 19:08:42,086 INFO L158 Benchmark]: TraceAbstraction took 348.05ms. Allocated memory is still 148.9MB. Free memory was 113.3MB in the beginning and 96.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 19:08:42,086 INFO L158 Benchmark]: Witness Printer took 4.61ms. Allocated memory is still 148.9MB. Free memory was 96.5MB in the beginning and 95.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:08:42,090 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 113.2MB. Free memory was 80.5MB in the beginning and 80.5MB in the end (delta: 24.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1414.49ms. Allocated memory was 113.2MB in the beginning and 148.9MB in the end (delta: 35.7MB). Free memory was 70.9MB in the beginning and 72.1MB in the end (delta: -1.2MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.68ms. Allocated memory is still 148.9MB. Free memory was 72.1MB in the beginning and 69.1MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.82ms. Allocated memory is still 148.9MB. Free memory was 69.1MB in the beginning and 67.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 379.62ms. Allocated memory is still 148.9MB. Free memory was 67.0MB in the beginning and 113.3MB in the end (delta: -46.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 348.05ms. Allocated memory is still 148.9MB. Free memory was 113.3MB in the beginning and 96.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.61ms. Allocated memory is still 148.9MB. Free memory was 96.5MB in the beginning and 95.5MB in the end (delta: 1.0MB). 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: 1551]: 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 1566. 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] [L1566] 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) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_min_predec_41_bad() [L1558] int data; [L1559] data = 0 [L1560] data = (-0x7fffffff - 1) [L1561] CALL badSink(data) [L1551] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1551]: 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, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, 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=20occurred 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 19:08:42,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb88f7fd-79a9-4f1b-b920-3daa3b9f288c/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb88f7fd-79a9-4f1b-b920-3daa3b9f288c/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb88f7fd-79a9-4f1b-b920-3daa3b9f288c/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_bb88f7fd-79a9-4f1b-b920-3daa3b9f288c/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb88f7fd-79a9-4f1b-b920-3daa3b9f288c/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_41_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb88f7fd-79a9-4f1b-b920-3daa3b9f288c/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_bb88f7fd-79a9-4f1b-b920-3daa3b9f288c/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 3424177a030cc9e03e31768e8346c059cde7f8a3c67ebed126a4542c223bfb83 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:08:44,579 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:08:44,693 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb88f7fd-79a9-4f1b-b920-3daa3b9f288c/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-08 19:08:44,700 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:08:44,701 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 19:08:44,701 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-08 19:08:44,741 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:08:44,742 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 19:08:44,743 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 19:08:44,745 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 19:08:44,746 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 19:08:44,747 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:08:44,747 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 19:08:44,748 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:08:44,752 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:08:44,752 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 19:08:44,753 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:08:44,753 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:08:44,753 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:08:44,753 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:08:44,754 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:08:44,756 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:08:44,757 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 19:08:44,757 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 19:08:44,757 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:08:44,758 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 19:08:44,758 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 19:08:44,759 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:08:44,759 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:08:44,761 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:08:44,761 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:08:44,762 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 19:08:44,763 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 19:08:44,763 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 19:08:44,764 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:08:44,765 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:08:44,765 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:08:44,765 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:08:44,766 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 19:08:44,767 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:08:44,767 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 19:08:44,768 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 19:08:44,768 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 19:08:44,768 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 19:08:44,768 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_bb88f7fd-79a9-4f1b-b920-3daa3b9f288c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb88f7fd-79a9-4f1b-b920-3daa3b9f288c/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3424177a030cc9e03e31768e8346c059cde7f8a3c67ebed126a4542c223bfb83 [2024-11-08 19:08:45,216 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:08:45,252 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:08:45,255 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:08:45,257 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:08:45,257 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:08:45,259 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb88f7fd-79a9-4f1b-b920-3daa3b9f288c/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_41_bad.i Unable to find full path for "g++" [2024-11-08 19:08:47,363 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:08:47,763 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:08:47,763 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb88f7fd-79a9-4f1b-b920-3daa3b9f288c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_41_bad.i [2024-11-08 19:08:47,794 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb88f7fd-79a9-4f1b-b920-3daa3b9f288c/bin/uautomizer-verify-jihMAELWvX/data/e7ecc0bc4/8e7abe038def4e6da904d400bc5f6f0b/FLAGcbcdd4c31 [2024-11-08 19:08:47,943 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb88f7fd-79a9-4f1b-b920-3daa3b9f288c/bin/uautomizer-verify-jihMAELWvX/data/e7ecc0bc4/8e7abe038def4e6da904d400bc5f6f0b [2024-11-08 19:08:47,945 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:08:47,946 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:08:47,948 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:08:47,948 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:08:47,954 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:08:47,955 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:08:47" (1/1) ... [2024-11-08 19:08:47,956 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32f820a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:08:47, skipping insertion in model container [2024-11-08 19:08:47,960 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:08:47" (1/1) ... [2024-11-08 19:08:48,053 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:08:49,323 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:08:49,337 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:08:49,430 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:08:49,623 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:08:49,624 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:08:49 WrapperNode [2024-11-08 19:08:49,624 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:08:49,625 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:08:49,625 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:08:49,626 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:08:49,633 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:08:49" (1/1) ... [2024-11-08 19:08:49,664 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:08:49" (1/1) ... [2024-11-08 19:08:49,699 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 43 [2024-11-08 19:08:49,700 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:08:49,701 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:08:49,701 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:08:49,701 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:08:49,713 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:08:49" (1/1) ... [2024-11-08 19:08:49,713 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:08:49" (1/1) ... [2024-11-08 19:08:49,720 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:08:49" (1/1) ... [2024-11-08 19:08:49,738 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-08 19:08:49,742 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:08:49" (1/1) ... [2024-11-08 19:08:49,742 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:08:49" (1/1) ... [2024-11-08 19:08:49,752 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:08:49" (1/1) ... [2024-11-08 19:08:49,757 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:08:49" (1/1) ... [2024-11-08 19:08:49,762 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:08:49" (1/1) ... [2024-11-08 19:08:49,763 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:08:49" (1/1) ... [2024-11-08 19:08:49,770 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:08:49,772 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:08:49,774 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:08:49,774 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:08:49,775 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:08:49" (1/1) ... [2024-11-08 19:08:49,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:08:49,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb88f7fd-79a9-4f1b-b920-3daa3b9f288c/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:08:49,807 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb88f7fd-79a9-4f1b-b920-3daa3b9f288c/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 19:08:49,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb88f7fd-79a9-4f1b-b920-3daa3b9f288c/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 19:08:49,836 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 19:08:49,837 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 19:08:49,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:08:49,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:08:49,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:08:50,059 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:08:50,061 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:08:50,178 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-08 19:08:50,178 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:08:50,190 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:08:50,190 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 19:08:50,191 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:08:50 BoogieIcfgContainer [2024-11-08 19:08:50,191 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:08:50,193 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 19:08:50,194 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 19:08:50,197 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 19:08:50,197 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:08:47" (1/3) ... [2024-11-08 19:08:50,198 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b9c8113 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:08:50, skipping insertion in model container [2024-11-08 19:08:50,198 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:08:49" (2/3) ... [2024-11-08 19:08:50,198 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b9c8113 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:08:50, skipping insertion in model container [2024-11-08 19:08:50,199 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:08:50" (3/3) ... [2024-11-08 19:08:50,200 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_predec_41_bad.i [2024-11-08 19:08:50,218 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 19:08:50,218 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 19:08:50,285 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 19:08:50,291 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;@116b91ae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 19:08:50,292 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 19:08:50,296 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 16 states have internal predecessors, (17), 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 19:08:50,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 19:08:50,304 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:08:50,305 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:08:50,305 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 19:08:50,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:08:50,311 INFO L85 PathProgramCache]: Analyzing trace with hash 1855260787, now seen corresponding path program 1 times [2024-11-08 19:08:50,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:08:50,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1501925872] [2024-11-08 19:08:50,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:08:50,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:08:50,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb88f7fd-79a9-4f1b-b920-3daa3b9f288c/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:08:50,328 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb88f7fd-79a9-4f1b-b920-3daa3b9f288c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:08:50,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb88f7fd-79a9-4f1b-b920-3daa3b9f288c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 19:08:50,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:08:50,485 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:08:50,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:08:50,546 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-08 19:08:50,549 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 19:08:50,551 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-08 19:08:50,553 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-08 19:08:50,576 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb88f7fd-79a9-4f1b-b920-3daa3b9f288c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 19:08:50,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb88f7fd-79a9-4f1b-b920-3daa3b9f288c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:08:50,757 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-08 19:08:50,790 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 19:08:50,794 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 07:08:50 BoogieIcfgContainer [2024-11-08 19:08:50,794 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 19:08:50,795 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:08:50,795 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:08:50,795 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:08:50,795 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:08:50" (3/4) ... [2024-11-08 19:08:50,798 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 19:08:50,800 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:08:50,801 INFO L158 Benchmark]: Toolchain (without parser) took 2854.47ms. Allocated memory was 67.1MB in the beginning and 86.0MB in the end (delta: 18.9MB). Free memory was 39.3MB in the beginning and 44.3MB in the end (delta: -4.9MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2024-11-08 19:08:50,802 INFO L158 Benchmark]: CDTParser took 1.37ms. Allocated memory is still 67.1MB. Free memory was 42.8MB in the beginning and 42.7MB in the end (delta: 81.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:08:50,803 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1676.82ms. Allocated memory was 67.1MB in the beginning and 86.0MB in the end (delta: 18.9MB). Free memory was 39.2MB in the beginning and 53.0MB in the end (delta: -13.8MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. [2024-11-08 19:08:50,804 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.00ms. Allocated memory is still 86.0MB. Free memory was 53.0MB in the beginning and 50.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:08:50,804 INFO L158 Benchmark]: Boogie Preprocessor took 70.93ms. Allocated memory is still 86.0MB. Free memory was 50.3MB in the beginning and 47.6MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 19:08:50,805 INFO L158 Benchmark]: RCFGBuilder took 418.56ms. Allocated memory is still 86.0MB. Free memory was 47.6MB in the beginning and 34.6MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 19:08:50,806 INFO L158 Benchmark]: TraceAbstraction took 600.75ms. Allocated memory is still 86.0MB. Free memory was 34.1MB in the beginning and 44.9MB in the end (delta: -10.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:08:50,809 INFO L158 Benchmark]: Witness Printer took 5.44ms. Allocated memory is still 86.0MB. Free memory was 44.9MB in the beginning and 44.8MB in the end (delta: 157.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:08:50,816 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.37ms. Allocated memory is still 67.1MB. Free memory was 42.8MB in the beginning and 42.7MB in the end (delta: 81.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1676.82ms. Allocated memory was 67.1MB in the beginning and 86.0MB in the end (delta: 18.9MB). Free memory was 39.2MB in the beginning and 53.0MB in the end (delta: -13.8MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.00ms. Allocated memory is still 86.0MB. Free memory was 53.0MB in the beginning and 50.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.93ms. Allocated memory is still 86.0MB. Free memory was 50.3MB in the beginning and 47.6MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 418.56ms. Allocated memory is still 86.0MB. Free memory was 47.6MB in the beginning and 34.6MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 600.75ms. Allocated memory is still 86.0MB. Free memory was 34.1MB in the beginning and 44.9MB in the end (delta: -10.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.44ms. Allocated memory is still 86.0MB. Free memory was 44.9MB in the beginning and 44.8MB in the end (delta: 157.2kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1551]: 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 1566. 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] [L1566] 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) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_min_predec_41_bad() [L1558] int data; [L1559] data = 0 [L1560] data = (-0x7fffffff - 1) [L1561] CALL badSink(data) [L1551] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1551]: 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, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred 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 19:08:50,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb88f7fd-79a9-4f1b-b920-3daa3b9f288c/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