./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_51_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c6d572-e9e7-41e2-946a-366ccfe7e8a6/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c6d572-e9e7-41e2-946a-366ccfe7e8a6/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c6d572-e9e7-41e2-946a-366ccfe7e8a6/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c6d572-e9e7-41e2-946a-366ccfe7e8a6/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c6d572-e9e7-41e2-946a-366ccfe7e8a6/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c6d572-e9e7-41e2-946a-366ccfe7e8a6/bin/uautomizer-verify-qhAvR1uOyd --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 bef1dab6b24ebb18f2980915f8144943d6aa96ed337433b38a571608a8afe6f9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 12:44:29,217 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 12:44:29,325 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c6d572-e9e7-41e2-946a-366ccfe7e8a6/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-13 12:44:29,339 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 12:44:29,339 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 12:44:29,368 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 12:44:29,368 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 12:44:29,369 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 12:44:29,369 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 12:44:29,369 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 12:44:29,370 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 12:44:29,370 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 12:44:29,370 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 12:44:29,371 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 12:44:29,371 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 12:44:29,371 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 12:44:29,371 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 12:44:29,372 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 12:44:29,372 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 12:44:29,372 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 12:44:29,372 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 12:44:29,372 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 12:44:29,372 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 12:44:29,373 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 12:44:29,373 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 12:44:29,373 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 12:44:29,373 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 12:44:29,373 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 12:44:29,374 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 12:44:29,374 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 12:44:29,374 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 12:44:29,374 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 12:44:29,374 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 12:44:29,374 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 12:44:29,375 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 12:44:29,375 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 12:44:29,375 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 12:44:29,375 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 12:44:29,375 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 12:44:29,375 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 12:44:29,376 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 12:44:29,376 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_f9c6d572-e9e7-41e2-946a-366ccfe7e8a6/bin/uautomizer-verify-qhAvR1uOyd 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 -> bef1dab6b24ebb18f2980915f8144943d6aa96ed337433b38a571608a8afe6f9 [2024-11-13 12:44:29,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 12:44:29,936 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 12:44:29,942 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 12:44:29,944 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 12:44:29,944 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 12:44:29,948 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c6d572-e9e7-41e2-946a-366ccfe7e8a6/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_51_bad.i Unable to find full path for "g++" [2024-11-13 12:44:32,161 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 12:44:32,732 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 12:44:32,738 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c6d572-e9e7-41e2-946a-366ccfe7e8a6/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_51_bad.i [2024-11-13 12:44:32,775 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c6d572-e9e7-41e2-946a-366ccfe7e8a6/bin/uautomizer-verify-qhAvR1uOyd/data/4262d53e4/673da45b27854c14b341c8e3e4870770/FLAG00a57d34d [2024-11-13 12:44:33,264 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c6d572-e9e7-41e2-946a-366ccfe7e8a6/bin/uautomizer-verify-qhAvR1uOyd/data/4262d53e4/673da45b27854c14b341c8e3e4870770 [2024-11-13 12:44:33,268 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 12:44:33,271 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 12:44:33,273 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 12:44:33,274 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 12:44:33,279 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 12:44:33,280 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:44:33" (1/1) ... [2024-11-13 12:44:33,281 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f16e838 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:33, skipping insertion in model container [2024-11-13 12:44:33,282 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:44:33" (1/1) ... [2024-11-13 12:44:33,354 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 12:44:34,573 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:44:34,589 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 12:44:34,756 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:44:34,892 INFO L204 MainTranslator]: Completed translation [2024-11-13 12:44:34,894 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:34 WrapperNode [2024-11-13 12:44:34,895 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 12:44:34,898 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 12:44:34,898 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 12:44:34,898 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 12:44:34,907 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:34" (1/1) ... [2024-11-13 12:44:34,947 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:34" (1/1) ... [2024-11-13 12:44:34,989 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 99 [2024-11-13 12:44:34,990 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 12:44:34,990 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 12:44:34,991 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 12:44:34,992 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 12:44:35,002 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:34" (1/1) ... [2024-11-13 12:44:35,005 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:34" (1/1) ... [2024-11-13 12:44:35,008 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:34" (1/1) ... [2024-11-13 12:44:35,032 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-13 12:44:35,033 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:34" (1/1) ... [2024-11-13 12:44:35,037 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:34" (1/1) ... [2024-11-13 12:44:35,046 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:34" (1/1) ... [2024-11-13 12:44:35,049 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:34" (1/1) ... [2024-11-13 12:44:35,054 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:34" (1/1) ... [2024-11-13 12:44:35,056 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:34" (1/1) ... [2024-11-13 12:44:35,062 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 12:44:35,063 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 12:44:35,067 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 12:44:35,067 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 12:44:35,068 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:34" (1/1) ... [2024-11-13 12:44:35,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 12:44:35,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c6d572-e9e7-41e2-946a-366ccfe7e8a6/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:44:35,122 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c6d572-e9e7-41e2-946a-366ccfe7e8a6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 12:44:35,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c6d572-e9e7-41e2-946a-366ccfe7e8a6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 12:44:35,161 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 12:44:35,164 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 12:44:35,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 12:44:35,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 12:44:35,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 12:44:35,355 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 12:44:35,356 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 12:44:35,609 INFO L? ?]: Removed 59 outVars from TransFormulas that were not future-live. [2024-11-13 12:44:35,609 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 12:44:35,623 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 12:44:35,624 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 12:44:35,624 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:44:35 BoogieIcfgContainer [2024-11-13 12:44:35,624 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 12:44:35,627 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 12:44:35,627 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 12:44:35,633 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 12:44:35,633 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 12:44:33" (1/3) ... [2024-11-13 12:44:35,634 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@667d6ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:44:35, skipping insertion in model container [2024-11-13 12:44:35,634 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:34" (2/3) ... [2024-11-13 12:44:35,634 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@667d6ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:44:35, skipping insertion in model container [2024-11-13 12:44:35,635 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:44:35" (3/3) ... [2024-11-13 12:44:35,636 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_51_bad.i [2024-11-13 12:44:35,654 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 12:44:35,656 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_rand_multiply_51_bad.i that has 2 procedures, 43 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-13 12:44:35,715 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 12:44:35,730 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;@48314c1a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 12:44:35,730 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-13 12:44:35,734 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 37 states have (on average 1.4594594594594594) internal successors, (54), 39 states have internal predecessors, (54), 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) [2024-11-13 12:44:35,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 12:44:35,743 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:44:35,743 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:44:35,744 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-13 12:44:35,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:44:35,750 INFO L85 PathProgramCache]: Analyzing trace with hash 858330459, now seen corresponding path program 1 times [2024-11-13 12:44:35,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:44:35,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169999261] [2024-11-13 12:44:35,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:44:35,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:44:35,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 12:44:35,941 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 12:44:35,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 12:44:36,018 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 12:44:36,020 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 12:44:36,022 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-13 12:44:36,024 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-13 12:44:36,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 12:44:36,031 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 12:44:36,060 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 12:44:36,066 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 12:44:36 BoogieIcfgContainer [2024-11-13 12:44:36,066 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 12:44:36,066 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 12:44:36,067 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 12:44:36,068 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 12:44:36,068 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:44:35" (3/4) ... [2024-11-13 12:44:36,071 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 12:44:36,073 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 12:44:36,077 INFO L158 Benchmark]: Toolchain (without parser) took 2803.60ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 46.4MB in the end (delta: 44.9MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. [2024-11-13 12:44:36,077 INFO L158 Benchmark]: CDTParser took 1.21ms. Allocated memory is still 142.6MB. Free memory is still 79.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:44:36,078 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1622.75ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 83.4MB in the end (delta: 8.0MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2024-11-13 12:44:36,079 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.89ms. Allocated memory is still 117.4MB. Free memory was 83.4MB in the beginning and 80.5MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 12:44:36,079 INFO L158 Benchmark]: Boogie Preprocessor took 71.96ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 79.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:44:36,079 INFO L158 Benchmark]: RCFGBuilder took 561.25ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 63.8MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 12:44:36,080 INFO L158 Benchmark]: TraceAbstraction took 438.64ms. Allocated memory is still 117.4MB. Free memory was 63.2MB in the beginning and 47.0MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 12:44:36,080 INFO L158 Benchmark]: Witness Printer took 6.92ms. Allocated memory is still 117.4MB. Free memory was 47.0MB in the beginning and 46.4MB in the end (delta: 576.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:44:36,083 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.21ms. Allocated memory is still 142.6MB. Free memory is still 79.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1622.75ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 83.4MB in the end (delta: 8.0MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.89ms. Allocated memory is still 117.4MB. Free memory was 83.4MB in the beginning and 80.5MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.96ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 79.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 561.25ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 63.8MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 438.64ms. Allocated memory is still 117.4MB. Free memory was 63.2MB in the beginning and 47.0MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 6.92ms. Allocated memory is still 117.4MB. Free memory was 47.0MB in the beginning and 46.4MB in the end (delta: 576.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1568]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 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_51_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_51b_badSink(data) [L1566] 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] [L1568] 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: 1568]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 43 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=43occurred 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 [2024-11-13 12:44:36,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c6d572-e9e7-41e2-946a-366ccfe7e8a6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c6d572-e9e7-41e2-946a-366ccfe7e8a6/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c6d572-e9e7-41e2-946a-366ccfe7e8a6/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c6d572-e9e7-41e2-946a-366ccfe7e8a6/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c6d572-e9e7-41e2-946a-366ccfe7e8a6/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c6d572-e9e7-41e2-946a-366ccfe7e8a6/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c6d572-e9e7-41e2-946a-366ccfe7e8a6/bin/uautomizer-verify-qhAvR1uOyd --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 bef1dab6b24ebb18f2980915f8144943d6aa96ed337433b38a571608a8afe6f9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 12:44:39,302 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 12:44:39,457 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c6d572-e9e7-41e2-946a-366ccfe7e8a6/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-13 12:44:39,464 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 12:44:39,464 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 12:44:39,464 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-13 12:44:39,511 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 12:44:39,512 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 12:44:39,513 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 12:44:39,514 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 12:44:39,515 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 12:44:39,515 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 12:44:39,516 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 12:44:39,516 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 12:44:39,517 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 12:44:39,517 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 12:44:39,518 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 12:44:39,518 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 12:44:39,518 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 12:44:39,518 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 12:44:39,519 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 12:44:39,519 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 12:44:39,519 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 12:44:39,519 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 12:44:39,520 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 12:44:39,520 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 12:44:39,520 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 12:44:39,520 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 12:44:39,520 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 12:44:39,520 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 12:44:39,521 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 12:44:39,521 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 12:44:39,521 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 12:44:39,521 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 12:44:39,522 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 12:44:39,523 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 12:44:39,523 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 12:44:39,523 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 12:44:39,523 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 12:44:39,523 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 12:44:39,524 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 12:44:39,524 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 12:44:39,524 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 12:44:39,524 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 12:44:39,524 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_f9c6d572-e9e7-41e2-946a-366ccfe7e8a6/bin/uautomizer-verify-qhAvR1uOyd 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 -> bef1dab6b24ebb18f2980915f8144943d6aa96ed337433b38a571608a8afe6f9 [2024-11-13 12:44:39,952 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 12:44:39,967 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 12:44:39,969 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 12:44:39,975 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 12:44:39,975 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 12:44:39,979 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c6d572-e9e7-41e2-946a-366ccfe7e8a6/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_51_bad.i Unable to find full path for "g++" [2024-11-13 12:44:42,367 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 12:44:42,886 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 12:44:42,886 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c6d572-e9e7-41e2-946a-366ccfe7e8a6/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_51_bad.i [2024-11-13 12:44:42,936 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c6d572-e9e7-41e2-946a-366ccfe7e8a6/bin/uautomizer-verify-qhAvR1uOyd/data/a54f2c756/a9ea0e33f7cd43dfbe960e89e522320d/FLAG8b5a26998 [2024-11-13 12:44:42,963 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c6d572-e9e7-41e2-946a-366ccfe7e8a6/bin/uautomizer-verify-qhAvR1uOyd/data/a54f2c756/a9ea0e33f7cd43dfbe960e89e522320d [2024-11-13 12:44:42,966 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 12:44:42,969 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 12:44:42,971 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 12:44:42,971 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 12:44:42,977 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 12:44:42,979 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:44:42" (1/1) ... [2024-11-13 12:44:42,982 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3acee298 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:42, skipping insertion in model container [2024-11-13 12:44:42,982 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:44:42" (1/1) ... [2024-11-13 12:44:43,066 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 12:44:44,268 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:44:44,283 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 12:44:44,480 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:44:44,694 INFO L204 MainTranslator]: Completed translation [2024-11-13 12:44:44,694 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:44 WrapperNode [2024-11-13 12:44:44,695 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 12:44:44,696 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 12:44:44,696 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 12:44:44,696 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 12:44:44,704 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:44" (1/1) ... [2024-11-13 12:44:44,733 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:44" (1/1) ... [2024-11-13 12:44:44,758 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 59 [2024-11-13 12:44:44,758 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 12:44:44,759 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 12:44:44,760 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 12:44:44,760 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 12:44:44,771 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:44" (1/1) ... [2024-11-13 12:44:44,771 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:44" (1/1) ... [2024-11-13 12:44:44,775 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:44" (1/1) ... [2024-11-13 12:44:44,786 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-13 12:44:44,786 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:44" (1/1) ... [2024-11-13 12:44:44,787 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:44" (1/1) ... [2024-11-13 12:44:44,795 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:44" (1/1) ... [2024-11-13 12:44:44,798 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:44" (1/1) ... [2024-11-13 12:44:44,800 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:44" (1/1) ... [2024-11-13 12:44:44,802 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:44" (1/1) ... [2024-11-13 12:44:44,805 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 12:44:44,806 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 12:44:44,806 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 12:44:44,806 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 12:44:44,807 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:44" (1/1) ... [2024-11-13 12:44:44,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 12:44:44,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c6d572-e9e7-41e2-946a-366ccfe7e8a6/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:44:44,844 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c6d572-e9e7-41e2-946a-366ccfe7e8a6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 12:44:44,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c6d572-e9e7-41e2-946a-366ccfe7e8a6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 12:44:44,879 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 12:44:44,879 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 12:44:44,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 12:44:44,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 12:44:44,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 12:44:45,077 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 12:44:45,079 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 12:44:45,245 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-11-13 12:44:45,245 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 12:44:45,261 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 12:44:45,262 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 12:44:45,262 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:44:45 BoogieIcfgContainer [2024-11-13 12:44:45,262 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 12:44:45,265 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 12:44:45,266 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 12:44:45,272 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 12:44:45,272 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 12:44:42" (1/3) ... [2024-11-13 12:44:45,273 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6eee5463 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:44:45, skipping insertion in model container [2024-11-13 12:44:45,273 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:44" (2/3) ... [2024-11-13 12:44:45,273 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6eee5463 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:44:45, skipping insertion in model container [2024-11-13 12:44:45,273 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:44:45" (3/3) ... [2024-11-13 12:44:45,275 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_51_bad.i [2024-11-13 12:44:45,295 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 12:44:45,297 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_rand_multiply_51_bad.i that has 2 procedures, 23 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-13 12:44:45,372 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 12:44:45,391 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;@2cf1293d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 12:44:45,391 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-13 12:44:45,398 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 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) [2024-11-13 12:44:45,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 12:44:45,409 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:44:45,410 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:44:45,412 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-13 12:44:45,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:44:45,419 INFO L85 PathProgramCache]: Analyzing trace with hash 420466469, now seen corresponding path program 1 times [2024-11-13 12:44:45,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 12:44:45,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [322727197] [2024-11-13 12:44:45,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:44:45,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:44:45,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c6d572-e9e7-41e2-946a-366ccfe7e8a6/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:44:45,445 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c6d572-e9e7-41e2-946a-366ccfe7e8a6/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:44:45,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c6d572-e9e7-41e2-946a-366ccfe7e8a6/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 12:44:45,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 12:44:45,624 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 12:44:45,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 12:44:45,721 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-13 12:44:45,724 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 12:44:45,726 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-13 12:44:45,732 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-13 12:44:45,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c6d572-e9e7-41e2-946a-366ccfe7e8a6/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 12:44:45,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c6d572-e9e7-41e2-946a-366ccfe7e8a6/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:44:45,937 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 12:44:45,961 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 12:44:45,964 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 12:44:45 BoogieIcfgContainer [2024-11-13 12:44:45,965 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 12:44:45,965 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 12:44:45,965 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 12:44:45,966 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 12:44:45,966 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:44:45" (3/4) ... [2024-11-13 12:44:45,970 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 12:44:45,971 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 12:44:45,973 INFO L158 Benchmark]: Toolchain (without parser) took 3003.86ms. Allocated memory is still 83.9MB. Free memory was 55.7MB in the beginning and 41.3MB in the end (delta: 14.4MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2024-11-13 12:44:45,973 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 83.9MB. Free memory was 63.9MB in the beginning and 63.9MB in the end (delta: 16.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:44:45,974 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1724.14ms. Allocated memory is still 83.9MB. Free memory was 55.5MB in the beginning and 50.1MB in the end (delta: 5.4MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. [2024-11-13 12:44:45,977 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.85ms. Allocated memory is still 83.9MB. Free memory was 50.1MB in the beginning and 47.4MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:44:45,978 INFO L158 Benchmark]: Boogie Preprocessor took 45.79ms. Allocated memory is still 83.9MB. Free memory was 47.4MB in the beginning and 45.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:44:45,978 INFO L158 Benchmark]: RCFGBuilder took 456.58ms. Allocated memory is still 83.9MB. Free memory was 45.4MB in the beginning and 32.7MB in the end (delta: 12.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 12:44:45,978 INFO L158 Benchmark]: TraceAbstraction took 699.31ms. Allocated memory is still 83.9MB. Free memory was 31.9MB in the beginning and 41.3MB in the end (delta: -9.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:44:45,979 INFO L158 Benchmark]: Witness Printer took 6.18ms. Allocated memory is still 83.9MB. Free memory was 41.3MB in the beginning and 41.3MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:44:45,981 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56ms. Allocated memory is still 83.9MB. Free memory was 63.9MB in the beginning and 63.9MB in the end (delta: 16.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1724.14ms. Allocated memory is still 83.9MB. Free memory was 55.5MB in the beginning and 50.1MB in the end (delta: 5.4MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.85ms. Allocated memory is still 83.9MB. Free memory was 50.1MB in the beginning and 47.4MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 45.79ms. Allocated memory is still 83.9MB. Free memory was 47.4MB in the beginning and 45.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 456.58ms. Allocated memory is still 83.9MB. Free memory was 45.4MB in the beginning and 32.7MB in the end (delta: 12.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 699.31ms. Allocated memory is still 83.9MB. Free memory was 31.9MB in the beginning and 41.3MB in the end (delta: -9.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.18ms. Allocated memory is still 83.9MB. Free memory was 41.3MB in the beginning and 41.3MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1568]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 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_51_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_51b_badSink(data) [L1566] 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] [L1568] 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: 1568]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred 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 [2024-11-13 12:44:46,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c6d572-e9e7-41e2-946a-366ccfe7e8a6/bin/uautomizer-verify-qhAvR1uOyd/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