./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_54_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_11f10662-9c7b-4207-8426-a12179c70540/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11f10662-9c7b-4207-8426-a12179c70540/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_11f10662-9c7b-4207-8426-a12179c70540/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11f10662-9c7b-4207-8426-a12179c70540/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11f10662-9c7b-4207-8426-a12179c70540/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_11f10662-9c7b-4207-8426-a12179c70540/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 a48bffd8a7308be9046d820e21c7a474ff74f6db027c73c91166d65332900659 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:53:16,371 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:53:16,438 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11f10662-9c7b-4207-8426-a12179c70540/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-08 17:53:16,444 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:53:16,445 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:53:16,476 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:53:16,477 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:53:16,477 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:53:16,478 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:53:16,478 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:53:16,479 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:53:16,479 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:53:16,480 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:53:16,480 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:53:16,481 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:53:16,481 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:53:16,481 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:53:16,482 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:53:16,482 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:53:16,482 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:53:16,483 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:53:16,483 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:53:16,483 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:53:16,484 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 17:53:16,484 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 17:53:16,484 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:53:16,485 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:53:16,485 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:53:16,485 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:53:16,486 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:53:16,486 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:53:16,486 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:53:16,487 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:53:16,487 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:53:16,487 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:53:16,488 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:53:16,488 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 17:53:16,488 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:53:16,488 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:53:16,489 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:53:16,489 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:53:16,490 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_11f10662-9c7b-4207-8426-a12179c70540/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11f10662-9c7b-4207-8426-a12179c70540/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a48bffd8a7308be9046d820e21c7a474ff74f6db027c73c91166d65332900659 [2024-11-08 17:53:16,750 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:53:16,781 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:53:16,784 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:53:16,786 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:53:16,786 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:53:16,787 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11f10662-9c7b-4207-8426-a12179c70540/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_54_bad.i Unable to find full path for "g++" [2024-11-08 17:53:18,788 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:53:19,117 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:53:19,121 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11f10662-9c7b-4207-8426-a12179c70540/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_54_bad.i [2024-11-08 17:53:19,144 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11f10662-9c7b-4207-8426-a12179c70540/bin/uautomizer-verify-jihMAELWvX/data/63ad34eb3/bbec9fa7c0e94c769cc9d0e241d1357d/FLAG75be8e554 [2024-11-08 17:53:19,364 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11f10662-9c7b-4207-8426-a12179c70540/bin/uautomizer-verify-jihMAELWvX/data/63ad34eb3/bbec9fa7c0e94c769cc9d0e241d1357d [2024-11-08 17:53:19,367 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:53:19,369 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:53:19,370 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:53:19,370 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:53:19,376 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:53:19,377 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:53:19" (1/1) ... [2024-11-08 17:53:19,378 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54773bd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:53:19, skipping insertion in model container [2024-11-08 17:53:19,378 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:53:19" (1/1) ... [2024-11-08 17:53:19,463 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:53:20,439 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:53:20,448 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:53:20,545 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:53:20,732 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:53:20,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:53:20 WrapperNode [2024-11-08 17:53:20,733 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:53:20,734 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:53:20,734 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:53:20,735 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:53:20,743 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:53:20" (1/1) ... [2024-11-08 17:53:20,777 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:53:20" (1/1) ... [2024-11-08 17:53:20,823 INFO L138 Inliner]: procedures = 501, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 105 [2024-11-08 17:53:20,823 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:53:20,827 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:53:20,827 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:53:20,827 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:53:20,842 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:53:20" (1/1) ... [2024-11-08 17:53:20,842 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:53:20" (1/1) ... [2024-11-08 17:53:20,844 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:53:20" (1/1) ... [2024-11-08 17:53:20,857 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-08 17:53:20,857 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:53:20" (1/1) ... [2024-11-08 17:53:20,857 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:53:20" (1/1) ... [2024-11-08 17:53:20,867 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:53:20" (1/1) ... [2024-11-08 17:53:20,869 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:53:20" (1/1) ... [2024-11-08 17:53:20,871 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:53:20" (1/1) ... [2024-11-08 17:53:20,875 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:53:20" (1/1) ... [2024-11-08 17:53:20,878 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:53:20,879 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:53:20,879 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:53:20,879 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:53:20,880 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:53:20" (1/1) ... [2024-11-08 17:53:20,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:53:20,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11f10662-9c7b-4207-8426-a12179c70540/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:53:20,921 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11f10662-9c7b-4207-8426-a12179c70540/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:53:20,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11f10662-9c7b-4207-8426-a12179c70540/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:53:20,955 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 17:53:20,955 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 17:53:20,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:53:20,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:53:20,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:53:21,089 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:53:21,091 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:53:21,309 INFO L? ?]: Removed 65 outVars from TransFormulas that were not future-live. [2024-11-08 17:53:21,310 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:53:21,324 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:53:21,324 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 17:53:21,325 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:53:21 BoogieIcfgContainer [2024-11-08 17:53:21,325 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:53:21,327 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:53:21,327 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:53:21,331 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:53:21,331 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:53:19" (1/3) ... [2024-11-08 17:53:21,332 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30c9c4db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:53:21, skipping insertion in model container [2024-11-08 17:53:21,332 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:53:20" (2/3) ... [2024-11-08 17:53:21,332 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30c9c4db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:53:21, skipping insertion in model container [2024-11-08 17:53:21,332 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:53:21" (3/3) ... [2024-11-08 17:53:21,334 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_54_bad.i [2024-11-08 17:53:21,352 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:53:21,352 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 17:53:21,422 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:53:21,428 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;@5104d563, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:53:21,429 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 17:53:21,433 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 40 states have (on average 1.425) internal successors, (57), 42 states have internal predecessors, (57), 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 17:53:21,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 17:53:21,441 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:53:21,441 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:53:21,442 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 17:53:21,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:53:21,446 INFO L85 PathProgramCache]: Analyzing trace with hash 940864975, now seen corresponding path program 1 times [2024-11-08 17:53:21,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:53:21,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755312886] [2024-11-08 17:53:21,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:53:21,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:53:21,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:53:21,633 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:53:21,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:53:21,717 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:53:21,722 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 17:53:21,724 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-08 17:53:21,725 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-08 17:53:21,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 17:53:21,730 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-08 17:53:21,753 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 17:53:21,755 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:53:21 BoogieIcfgContainer [2024-11-08 17:53:21,756 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 17:53:21,756 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 17:53:21,756 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 17:53:21,756 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 17:53:21,757 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:53:21" (3/4) ... [2024-11-08 17:53:21,759 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 17:53:21,761 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 17:53:21,762 INFO L158 Benchmark]: Toolchain (without parser) took 2393.10ms. Allocated memory is still 165.7MB. Free memory was 121.1MB in the beginning and 116.1MB in the end (delta: 5.1MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2024-11-08 17:53:21,762 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 119.5MB. Free memory was 67.9MB in the beginning and 67.8MB in the end (delta: 142.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:53:21,763 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1363.32ms. Allocated memory is still 165.7MB. Free memory was 120.9MB in the beginning and 98.5MB in the end (delta: 22.3MB). Peak memory consumption was 43.6MB. Max. memory is 16.1GB. [2024-11-08 17:53:21,764 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.43ms. Allocated memory is still 165.7MB. Free memory was 98.5MB in the beginning and 95.5MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 17:53:21,764 INFO L158 Benchmark]: Boogie Preprocessor took 51.10ms. Allocated memory is still 165.7MB. Free memory was 95.5MB in the beginning and 93.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:53:21,765 INFO L158 Benchmark]: RCFGBuilder took 446.28ms. Allocated memory is still 165.7MB. Free memory was 93.4MB in the beginning and 76.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 17:53:21,766 INFO L158 Benchmark]: TraceAbstraction took 428.33ms. Allocated memory is still 165.7MB. Free memory was 76.1MB in the beginning and 116.9MB in the end (delta: -40.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:53:21,766 INFO L158 Benchmark]: Witness Printer took 4.56ms. Allocated memory is still 165.7MB. Free memory was 116.9MB in the beginning and 116.1MB in the end (delta: 857.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:53:21,770 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 119.5MB. Free memory was 67.9MB in the beginning and 67.8MB in the end (delta: 142.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1363.32ms. Allocated memory is still 165.7MB. Free memory was 120.9MB in the beginning and 98.5MB in the end (delta: 22.3MB). Peak memory consumption was 43.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.43ms. Allocated memory is still 165.7MB. Free memory was 98.5MB in the beginning and 95.5MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.10ms. Allocated memory is still 165.7MB. Free memory was 95.5MB in the beginning and 93.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 446.28ms. Allocated memory is still 165.7MB. Free memory was 93.4MB in the beginning and 76.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 428.33ms. Allocated memory is still 165.7MB. Free memory was 76.1MB in the beginning and 116.9MB in the end (delta: -40.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.56ms. Allocated memory is still 165.7MB. Free memory was 116.9MB in the beginning and 116.1MB in the end (delta: 857.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1583]: 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 1559. 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] [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_rand_multiply_54_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 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] [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_multiply_54b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_rand_multiply_54c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_rand_multiply_54d_badSink(data) [L1577] CALL CWE191_Integer_Underflow__int_rand_multiply_54e_badSink(data) [L1581] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1583] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1583]: 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, 46 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=46occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 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 17:53:21,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11f10662-9c7b-4207-8426-a12179c70540/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_11f10662-9c7b-4207-8426-a12179c70540/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11f10662-9c7b-4207-8426-a12179c70540/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_11f10662-9c7b-4207-8426-a12179c70540/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11f10662-9c7b-4207-8426-a12179c70540/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11f10662-9c7b-4207-8426-a12179c70540/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_11f10662-9c7b-4207-8426-a12179c70540/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 a48bffd8a7308be9046d820e21c7a474ff74f6db027c73c91166d65332900659 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:53:24,125 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:53:24,224 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11f10662-9c7b-4207-8426-a12179c70540/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-08 17:53:24,231 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:53:24,235 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:53:24,235 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-08 17:53:24,267 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:53:24,268 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:53:24,268 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:53:24,270 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:53:24,271 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:53:24,271 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:53:24,272 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:53:24,272 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:53:24,276 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:53:24,276 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:53:24,277 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:53:24,277 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:53:24,277 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:53:24,277 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:53:24,278 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:53:24,278 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:53:24,278 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 17:53:24,279 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 17:53:24,279 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:53:24,279 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 17:53:24,279 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 17:53:24,280 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 17:53:24,280 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:53:24,280 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:53:24,280 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:53:24,281 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:53:24,281 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:53:24,281 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:53:24,281 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:53:24,282 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:53:24,284 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:53:24,284 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:53:24,285 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 17:53:24,285 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 17:53:24,285 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:53:24,287 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:53:24,294 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:53:24,294 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:53:24,294 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_11f10662-9c7b-4207-8426-a12179c70540/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11f10662-9c7b-4207-8426-a12179c70540/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a48bffd8a7308be9046d820e21c7a474ff74f6db027c73c91166d65332900659 [2024-11-08 17:53:24,653 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:53:24,680 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:53:24,685 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:53:24,686 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:53:24,687 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:53:24,688 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11f10662-9c7b-4207-8426-a12179c70540/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_54_bad.i Unable to find full path for "g++" [2024-11-08 17:53:26,695 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:53:27,181 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:53:27,183 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11f10662-9c7b-4207-8426-a12179c70540/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_54_bad.i [2024-11-08 17:53:27,214 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11f10662-9c7b-4207-8426-a12179c70540/bin/uautomizer-verify-jihMAELWvX/data/7e4d1ba37/77efddb7391c47bc8b77d54d9862453c/FLAGdd9adb09d [2024-11-08 17:53:27,234 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11f10662-9c7b-4207-8426-a12179c70540/bin/uautomizer-verify-jihMAELWvX/data/7e4d1ba37/77efddb7391c47bc8b77d54d9862453c [2024-11-08 17:53:27,239 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:53:27,241 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:53:27,242 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:53:27,242 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:53:27,249 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:53:27,252 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:53:27" (1/1) ... [2024-11-08 17:53:27,253 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71fda2e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:53:27, skipping insertion in model container [2024-11-08 17:53:27,253 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:53:27" (1/1) ... [2024-11-08 17:53:27,330 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:53:28,352 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:53:28,363 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:53:28,495 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:53:28,670 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:53:28,671 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:53:28 WrapperNode [2024-11-08 17:53:28,675 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:53:28,676 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:53:28,676 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:53:28,676 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:53:28,684 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:53:28" (1/1) ... [2024-11-08 17:53:28,711 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:53:28" (1/1) ... [2024-11-08 17:53:28,736 INFO L138 Inliner]: procedures = 506, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 65 [2024-11-08 17:53:28,737 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:53:28,737 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:53:28,738 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:53:28,738 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:53:28,750 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:53:28" (1/1) ... [2024-11-08 17:53:28,750 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:53:28" (1/1) ... [2024-11-08 17:53:28,754 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:53:28" (1/1) ... [2024-11-08 17:53:28,775 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-08 17:53:28,776 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:53:28" (1/1) ... [2024-11-08 17:53:28,776 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:53:28" (1/1) ... [2024-11-08 17:53:28,792 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:53:28" (1/1) ... [2024-11-08 17:53:28,799 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:53:28" (1/1) ... [2024-11-08 17:53:28,804 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:53:28" (1/1) ... [2024-11-08 17:53:28,805 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:53:28" (1/1) ... [2024-11-08 17:53:28,812 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:53:28,812 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:53:28,812 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:53:28,813 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:53:28,813 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:53:28" (1/1) ... [2024-11-08 17:53:28,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:53:28,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11f10662-9c7b-4207-8426-a12179c70540/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:53:28,854 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11f10662-9c7b-4207-8426-a12179c70540/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:53:28,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11f10662-9c7b-4207-8426-a12179c70540/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:53:28,889 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 17:53:28,890 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 17:53:28,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:53:28,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:53:28,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:53:29,099 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:53:29,101 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:53:29,305 INFO L? ?]: Removed 37 outVars from TransFormulas that were not future-live. [2024-11-08 17:53:29,305 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:53:29,323 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:53:29,325 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 17:53:29,325 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:53:29 BoogieIcfgContainer [2024-11-08 17:53:29,325 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:53:29,329 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:53:29,330 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:53:29,333 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:53:29,333 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:53:27" (1/3) ... [2024-11-08 17:53:29,334 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77c4ba66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:53:29, skipping insertion in model container [2024-11-08 17:53:29,335 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:53:28" (2/3) ... [2024-11-08 17:53:29,335 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77c4ba66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:53:29, skipping insertion in model container [2024-11-08 17:53:29,337 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:53:29" (3/3) ... [2024-11-08 17:53:29,339 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_54_bad.i [2024-11-08 17:53:29,356 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:53:29,357 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 17:53:29,430 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:53:29,439 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;@1a11e5ce, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:53:29,439 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 17:53:29,444 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 20 states have (on average 1.25) internal successors, (25), 22 states have internal predecessors, (25), 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 17:53:29,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 17:53:29,453 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:53:29,454 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:53:29,454 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 17:53:29,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:53:29,462 INFO L85 PathProgramCache]: Analyzing trace with hash -586839655, now seen corresponding path program 1 times [2024-11-08 17:53:29,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:53:29,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2074047796] [2024-11-08 17:53:29,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:53:29,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:53:29,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11f10662-9c7b-4207-8426-a12179c70540/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:53:29,481 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11f10662-9c7b-4207-8426-a12179c70540/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:53:29,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11f10662-9c7b-4207-8426-a12179c70540/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 17:53:29,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:53:29,641 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:53:29,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:53:29,710 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-08 17:53:29,712 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 17:53:29,714 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-08 17:53:29,719 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-08 17:53:29,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11f10662-9c7b-4207-8426-a12179c70540/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 17:53:29,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11f10662-9c7b-4207-8426-a12179c70540/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:53:29,923 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-08 17:53:29,945 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 17:53:29,948 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:53:29 BoogieIcfgContainer [2024-11-08 17:53:29,948 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 17:53:29,949 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 17:53:29,949 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 17:53:29,949 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 17:53:29,950 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:53:29" (3/4) ... [2024-11-08 17:53:29,955 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 17:53:29,956 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 17:53:29,957 INFO L158 Benchmark]: Toolchain (without parser) took 2716.35ms. Allocated memory was 73.4MB in the beginning and 92.3MB in the end (delta: 18.9MB). Free memory was 44.5MB in the beginning and 38.9MB in the end (delta: 5.6MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2024-11-08 17:53:29,958 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 73.4MB. Free memory was 49.0MB in the beginning and 48.9MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:53:29,959 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1433.46ms. Allocated memory was 73.4MB in the beginning and 92.3MB in the end (delta: 18.9MB). Free memory was 44.3MB in the beginning and 52.7MB in the end (delta: -8.4MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. [2024-11-08 17:53:29,959 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.90ms. Allocated memory is still 92.3MB. Free memory was 52.7MB in the beginning and 49.3MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:53:29,960 INFO L158 Benchmark]: Boogie Preprocessor took 74.28ms. Allocated memory is still 92.3MB. Free memory was 49.3MB in the beginning and 46.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:53:29,960 INFO L158 Benchmark]: RCFGBuilder took 513.03ms. Allocated memory is still 92.3MB. Free memory was 46.5MB in the beginning and 56.6MB in the end (delta: -10.1MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2024-11-08 17:53:29,961 INFO L158 Benchmark]: TraceAbstraction took 618.73ms. Allocated memory is still 92.3MB. Free memory was 56.1MB in the beginning and 39.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 17:53:29,961 INFO L158 Benchmark]: Witness Printer took 7.73ms. Allocated memory is still 92.3MB. Free memory was 39.4MB in the beginning and 38.9MB in the end (delta: 448.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:53:29,968 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 73.4MB. Free memory was 49.0MB in the beginning and 48.9MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1433.46ms. Allocated memory was 73.4MB in the beginning and 92.3MB in the end (delta: 18.9MB). Free memory was 44.3MB in the beginning and 52.7MB in the end (delta: -8.4MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.90ms. Allocated memory is still 92.3MB. Free memory was 52.7MB in the beginning and 49.3MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.28ms. Allocated memory is still 92.3MB. Free memory was 49.3MB in the beginning and 46.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 513.03ms. Allocated memory is still 92.3MB. Free memory was 46.5MB in the beginning and 56.6MB in the end (delta: -10.1MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. * TraceAbstraction took 618.73ms. Allocated memory is still 92.3MB. Free memory was 56.1MB in the beginning and 39.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 7.73ms. Allocated memory is still 92.3MB. Free memory was 39.4MB in the beginning and 38.9MB in the end (delta: 448.2kB). 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: 1583]: 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 1559. 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] [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_rand_multiply_54_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 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] [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_multiply_54b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_rand_multiply_54c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_rand_multiply_54d_badSink(data) [L1577] CALL CWE191_Integer_Underflow__int_rand_multiply_54e_badSink(data) [L1581] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1583] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1583]: 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, 26 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=26occurred 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, 12 NumberOfCodeBlocks, 12 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 17:53:30,009 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11f10662-9c7b-4207-8426-a12179c70540/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