./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_53_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_f758f93d-610c-4a11-a178-22c8e9bc1913/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f758f93d-610c-4a11-a178-22c8e9bc1913/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f758f93d-610c-4a11-a178-22c8e9bc1913/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f758f93d-610c-4a11-a178-22c8e9bc1913/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f758f93d-610c-4a11-a178-22c8e9bc1913/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f758f93d-610c-4a11-a178-22c8e9bc1913/bin/utaipan-verify-sOmjnqqW8E --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 02595dcbc34fbaaeb099fddd7b9f9a9c5ee95a4cbbf5201b2f71f3e6b49f7761 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:27:32,163 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:27:32,256 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f758f93d-610c-4a11-a178-22c8e9bc1913/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-64bit-Taipan_Default.epf [2024-11-14 03:27:32,262 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:27:32,262 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:27:32,290 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:27:32,290 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:27:32,291 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:27:32,291 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:27:32,291 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:27:32,291 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:27:32,292 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:27:32,292 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:27:32,292 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 03:27:32,292 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:27:32,292 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:27:32,292 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 03:27:32,293 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 03:27:32,293 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:27:32,293 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 03:27:32,293 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 03:27:32,293 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 03:27:32,294 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:27:32,294 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:27:32,294 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 03:27:32,294 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:27:32,294 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:27:32,295 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:27:32,295 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:27:32,295 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:27:32,295 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-14 03:27:32,295 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 03:27:32,295 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:27:32,295 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:27:32,295 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:27:32,296 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:27:32,296 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:27:32,296 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:27:32,296 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:27:32,296 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:27:32,296 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:27:32,296 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 03:27:32,296 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 03:27:32,297 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:27:32,297 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:27:32,297 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 03:27:32,297 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_f758f93d-610c-4a11-a178-22c8e9bc1913/bin/utaipan-verify-sOmjnqqW8E 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 -> Taipan 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 -> 02595dcbc34fbaaeb099fddd7b9f9a9c5ee95a4cbbf5201b2f71f3e6b49f7761 [2024-11-14 03:27:32,686 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:27:32,698 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:27:32,704 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:27:32,705 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:27:32,705 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:27:32,708 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f758f93d-610c-4a11-a178-22c8e9bc1913/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_53_bad.i Unable to find full path for "g++" [2024-11-14 03:27:34,747 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:27:35,283 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:27:35,283 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f758f93d-610c-4a11-a178-22c8e9bc1913/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_53_bad.i [2024-11-14 03:27:35,312 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f758f93d-610c-4a11-a178-22c8e9bc1913/bin/utaipan-verify-sOmjnqqW8E/data/9c70b2b51/d11639a3c93445b689beceed4776b4f6/FLAGc72821c8b [2024-11-14 03:27:35,328 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f758f93d-610c-4a11-a178-22c8e9bc1913/bin/utaipan-verify-sOmjnqqW8E/data/9c70b2b51/d11639a3c93445b689beceed4776b4f6 [2024-11-14 03:27:35,331 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:27:35,333 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:27:35,335 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:27:35,335 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:27:35,340 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:27:35,341 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:27:35" (1/1) ... [2024-11-14 03:27:35,342 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7df37fc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:27:35, skipping insertion in model container [2024-11-14 03:27:35,343 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:27:35" (1/1) ... [2024-11-14 03:27:35,415 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:27:36,443 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:27:36,454 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:27:36,581 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:27:36,699 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:27:36,700 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:27:36 WrapperNode [2024-11-14 03:27:36,700 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:27:36,701 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:27:36,701 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:27:36,701 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:27:36,708 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:27:36" (1/1) ... [2024-11-14 03:27:36,729 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:27:36" (1/1) ... [2024-11-14 03:27:36,752 INFO L138 Inliner]: procedures = 500, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 105 [2024-11-14 03:27:36,753 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:27:36,753 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:27:36,754 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:27:36,754 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:27:36,766 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:27:36" (1/1) ... [2024-11-14 03:27:36,766 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:27:36" (1/1) ... [2024-11-14 03:27:36,768 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:27:36" (1/1) ... [2024-11-14 03:27:36,769 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:27:36" (1/1) ... [2024-11-14 03:27:36,780 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:27:36" (1/1) ... [2024-11-14 03:27:36,783 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:27:36" (1/1) ... [2024-11-14 03:27:36,789 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:27:36" (1/1) ... [2024-11-14 03:27:36,790 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:27:36" (1/1) ... [2024-11-14 03:27:36,797 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:27:36,798 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:27:36,798 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:27:36,798 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:27:36,801 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:27:36" (1/1) ... [2024-11-14 03:27:36,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:27:36,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f758f93d-610c-4a11-a178-22c8e9bc1913/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:27:36,842 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f758f93d-610c-4a11-a178-22c8e9bc1913/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:27:36,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f758f93d-610c-4a11-a178-22c8e9bc1913/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:27:36,877 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-14 03:27:36,878 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-14 03:27:36,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:27:36,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:27:36,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:27:37,097 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:27:37,099 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:27:37,406 INFO L? ?]: Removed 63 outVars from TransFormulas that were not future-live. [2024-11-14 03:27:37,406 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:27:37,665 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:27:37,665 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-14 03:27:37,666 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:27:37 BoogieIcfgContainer [2024-11-14 03:27:37,666 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:27:37,670 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:27:37,670 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:27:37,675 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:27:37,675 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:27:35" (1/3) ... [2024-11-14 03:27:37,676 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@404e807b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:27:37, skipping insertion in model container [2024-11-14 03:27:37,676 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:27:36" (2/3) ... [2024-11-14 03:27:37,676 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@404e807b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:27:37, skipping insertion in model container [2024-11-14 03:27:37,677 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:27:37" (3/3) ... [2024-11-14 03:27:37,679 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_postinc_53_bad.i [2024-11-14 03:27:37,697 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:27:37,699 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_rand_postinc_53_bad.i that has 2 procedures, 12 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-14 03:27:37,757 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:27:37,774 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=FINITE_AUTOMATA, 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;@3d06ac9a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:27:37,775 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-14 03:27:37,779 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 8 states have internal predecessors, (8), 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) [2024-11-14 03:27:37,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-14 03:27:37,786 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:27:37,787 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-14 03:27:37,787 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-14 03:27:37,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:27:37,792 INFO L85 PathProgramCache]: Analyzing trace with hash 20044037, now seen corresponding path program 1 times [2024-11-14 03:27:37,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:27:37,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171719962] [2024-11-14 03:27:37,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:27:37,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:27:38,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:27:38,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:27:38,437 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:27:38,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171719962] [2024-11-14 03:27:38,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171719962] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:27:38,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:27:38,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 03:27:38,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701025211] [2024-11-14 03:27:38,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:27:38,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 03:27:38,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:27:38,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 03:27:38,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 03:27:38,477 INFO L87 Difference]: Start difference. First operand has 12 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 8 states have internal predecessors, (8), 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) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-14 03:27:38,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:27:38,538 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2024-11-14 03:27:38,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 03:27:38,541 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 6 [2024-11-14 03:27:38,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:27:38,547 INFO L225 Difference]: With dead ends: 12 [2024-11-14 03:27:38,548 INFO L226 Difference]: Without dead ends: 8 [2024-11-14 03:27:38,550 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 03:27:38,554 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 1 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 03:27:38,555 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 8 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 03:27:38,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2024-11-14 03:27:38,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2024-11-14 03:27:38,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 5 states have (on average 1.0) internal successors, (5), 5 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-14 03:27:38,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2024-11-14 03:27:38,588 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 6 [2024-11-14 03:27:38,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:27:38,589 INFO L471 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2024-11-14 03:27:38,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-14 03:27:38,589 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2024-11-14 03:27:38,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-14 03:27:38,590 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:27:38,590 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:27:38,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 03:27:38,590 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-14 03:27:38,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:27:38,591 INFO L85 PathProgramCache]: Analyzing trace with hash 621365272, now seen corresponding path program 1 times [2024-11-14 03:27:38,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:27:38,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491293115] [2024-11-14 03:27:38,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:27:38,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:27:38,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:27:38,672 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 03:27:38,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:27:38,881 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 03:27:38,882 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 03:27:38,884 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-14 03:27:38,886 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-14 03:27:38,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 03:27:38,891 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-14 03:27:38,919 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 03:27:38,927 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 03:27:38 BoogieIcfgContainer [2024-11-14 03:27:38,927 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 03:27:38,928 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 03:27:38,928 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 03:27:38,928 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 03:27:38,931 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:27:37" (3/4) ... [2024-11-14 03:27:38,934 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 03:27:38,935 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 03:27:38,936 INFO L158 Benchmark]: Toolchain (without parser) took 3603.24ms. Allocated memory is still 142.6MB. Free memory was 114.6MB in the beginning and 60.4MB in the end (delta: 54.3MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. [2024-11-14 03:27:38,936 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 142.6MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:27:38,937 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1366.01ms. Allocated memory is still 142.6MB. Free memory was 114.6MB in the beginning and 107.0MB in the end (delta: 7.6MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. [2024-11-14 03:27:38,937 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.65ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 104.3MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:27:38,937 INFO L158 Benchmark]: Boogie Preprocessor took 43.77ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 103.1MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 03:27:38,938 INFO L158 Benchmark]: RCFGBuilder took 868.18ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 64.2MB in the end (delta: 38.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-14 03:27:38,938 INFO L158 Benchmark]: TraceAbstraction took 1257.38ms. Allocated memory is still 142.6MB. Free memory was 63.6MB in the beginning and 61.2MB in the end (delta: 2.4MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2024-11-14 03:27:38,940 INFO L158 Benchmark]: Witness Printer took 7.15ms. Allocated memory is still 142.6MB. Free memory was 61.2MB in the beginning and 60.4MB in the end (delta: 802.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:27:38,945 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 142.6MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1366.01ms. Allocated memory is still 142.6MB. Free memory was 114.6MB in the beginning and 107.0MB in the end (delta: 7.6MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.65ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 104.3MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.77ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 103.1MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 868.18ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 64.2MB in the end (delta: 38.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1257.38ms. Allocated memory is still 142.6MB. Free memory was 63.6MB in the beginning and 61.2MB in the end (delta: 2.4MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. * Witness Printer took 7.15ms. Allocated memory is still 142.6MB. Free memory was 61.2MB in the beginning and 60.4MB in the end (delta: 802.5kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1577]: 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, overapproximation of bitwiseOr at line 1553. 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); [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 CWE190_Integer_Overflow__int_rand_postinc_53_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) [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE190_Integer_Overflow__int_rand_postinc_53b_badSink(data) [L1567] CALL CWE190_Integer_Overflow__int_rand_postinc_53c_badSink(data) [L1572] CALL CWE190_Integer_Overflow__int_rand_postinc_53d_badSink(data) [L1577] data++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1577]: 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, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 4 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 [2024-11-14 03:27:38,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f758f93d-610c-4a11-a178-22c8e9bc1913/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f758f93d-610c-4a11-a178-22c8e9bc1913/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f758f93d-610c-4a11-a178-22c8e9bc1913/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f758f93d-610c-4a11-a178-22c8e9bc1913/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f758f93d-610c-4a11-a178-22c8e9bc1913/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f758f93d-610c-4a11-a178-22c8e9bc1913/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f758f93d-610c-4a11-a178-22c8e9bc1913/bin/utaipan-verify-sOmjnqqW8E --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 02595dcbc34fbaaeb099fddd7b9f9a9c5ee95a4cbbf5201b2f71f3e6b49f7761 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:27:42,029 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:27:42,127 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f758f93d-610c-4a11-a178-22c8e9bc1913/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2024-11-14 03:27:42,134 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:27:42,134 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:27:42,189 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:27:42,190 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:27:42,190 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:27:42,190 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:27:42,190 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:27:42,193 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:27:42,193 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:27:42,193 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:27:42,194 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:27:42,196 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:27:42,196 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:27:42,196 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:27:42,196 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:27:42,196 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:27:42,197 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:27:42,197 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:27:42,197 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:27:42,197 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 03:27:42,197 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 03:27:42,197 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:27:42,197 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-14 03:27:42,197 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 03:27:42,197 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 03:27:42,197 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:27:42,198 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:27:42,198 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:27:42,198 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 03:27:42,198 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:27:42,198 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:27:42,198 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:27:42,198 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:27:42,198 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:27:42,198 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:27:42,199 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 03:27:42,199 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 03:27:42,199 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:27:42,199 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:27:42,199 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_f758f93d-610c-4a11-a178-22c8e9bc1913/bin/utaipan-verify-sOmjnqqW8E 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 -> Taipan 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 -> 02595dcbc34fbaaeb099fddd7b9f9a9c5ee95a4cbbf5201b2f71f3e6b49f7761 [2024-11-14 03:27:42,556 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:27:42,571 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:27:42,574 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:27:42,577 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:27:42,577 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:27:42,579 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f758f93d-610c-4a11-a178-22c8e9bc1913/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_53_bad.i Unable to find full path for "g++" [2024-11-14 03:27:44,741 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:27:45,125 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:27:45,129 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f758f93d-610c-4a11-a178-22c8e9bc1913/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_53_bad.i [2024-11-14 03:27:45,169 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f758f93d-610c-4a11-a178-22c8e9bc1913/bin/utaipan-verify-sOmjnqqW8E/data/e63d0866a/3442cf9e7c384d69ba87f0669cf0fb6e/FLAGfc602a7c3 [2024-11-14 03:27:45,314 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f758f93d-610c-4a11-a178-22c8e9bc1913/bin/utaipan-verify-sOmjnqqW8E/data/e63d0866a/3442cf9e7c384d69ba87f0669cf0fb6e [2024-11-14 03:27:45,316 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:27:45,318 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:27:45,320 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:27:45,320 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:27:45,325 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:27:45,326 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:27:45" (1/1) ... [2024-11-14 03:27:45,327 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@743cf1fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:27:45, skipping insertion in model container [2024-11-14 03:27:45,327 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:27:45" (1/1) ... [2024-11-14 03:27:45,387 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:27:46,436 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:27:46,450 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:27:46,649 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:27:46,877 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:27:46,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:27:46 WrapperNode [2024-11-14 03:27:46,879 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:27:46,880 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:27:46,880 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:27:46,881 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:27:46,889 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:27:46" (1/1) ... [2024-11-14 03:27:46,931 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:27:46" (1/1) ... [2024-11-14 03:27:46,966 INFO L138 Inliner]: procedures = 505, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 65 [2024-11-14 03:27:46,967 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:27:46,969 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:27:46,969 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:27:46,969 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:27:46,980 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:27:46" (1/1) ... [2024-11-14 03:27:46,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:27:46" (1/1) ... [2024-11-14 03:27:46,983 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:27:46" (1/1) ... [2024-11-14 03:27:46,984 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:27:46" (1/1) ... [2024-11-14 03:27:46,993 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:27:46" (1/1) ... [2024-11-14 03:27:46,995 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:27:46" (1/1) ... [2024-11-14 03:27:46,998 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:27:46" (1/1) ... [2024-11-14 03:27:46,999 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:27:46" (1/1) ... [2024-11-14 03:27:47,002 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:27:47,003 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:27:47,003 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:27:47,003 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:27:47,005 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:27:46" (1/1) ... [2024-11-14 03:27:47,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:27:47,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f758f93d-610c-4a11-a178-22c8e9bc1913/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:27:47,069 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f758f93d-610c-4a11-a178-22c8e9bc1913/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:27:47,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f758f93d-610c-4a11-a178-22c8e9bc1913/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:27:47,107 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-14 03:27:47,108 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-14 03:27:47,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:27:47,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:27:47,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:27:47,282 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:27:47,284 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:27:47,500 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2024-11-14 03:27:47,500 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:27:47,515 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:27:47,515 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-14 03:27:47,515 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:27:47 BoogieIcfgContainer [2024-11-14 03:27:47,515 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:27:47,520 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:27:47,520 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:27:47,528 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:27:47,529 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:27:45" (1/3) ... [2024-11-14 03:27:47,529 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61669d07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:27:47, skipping insertion in model container [2024-11-14 03:27:47,529 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:27:46" (2/3) ... [2024-11-14 03:27:47,530 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61669d07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:27:47, skipping insertion in model container [2024-11-14 03:27:47,530 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:27:47" (3/3) ... [2024-11-14 03:27:47,532 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_postinc_53_bad.i [2024-11-14 03:27:47,551 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:27:47,553 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_rand_postinc_53_bad.i that has 2 procedures, 24 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-14 03:27:47,630 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:27:47,648 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=FINITE_AUTOMATA, 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;@e6f08ee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:27:47,648 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-14 03:27:47,654 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 20 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) [2024-11-14 03:27:47,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-14 03:27:47,662 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:27:47,662 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:27:47,664 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-14 03:27:47,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:27:47,670 INFO L85 PathProgramCache]: Analyzing trace with hash 2097189038, now seen corresponding path program 1 times [2024-11-14 03:27:47,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:27:47,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2146391228] [2024-11-14 03:27:47,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:27:47,690 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:27:47,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f758f93d-610c-4a11-a178-22c8e9bc1913/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:27:47,696 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f758f93d-610c-4a11-a178-22c8e9bc1913/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 03:27:47,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f758f93d-610c-4a11-a178-22c8e9bc1913/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-14 03:27:47,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:27:47,876 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 03:27:47,883 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:27:47,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:27:47,913 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:27:47,914 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:27:47,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2146391228] [2024-11-14 03:27:47,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2146391228] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:27:47,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:27:47,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-14 03:27:47,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891888222] [2024-11-14 03:27:47,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:27:47,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 03:27:47,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:27:47,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 03:27:47,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 03:27:47,956 INFO L87 Difference]: Start difference. First operand has 24 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 20 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) Second operand has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-14 03:27:47,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:27:47,974 INFO L93 Difference]: Finished difference Result 24 states and 26 transitions. [2024-11-14 03:27:47,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 03:27:47,976 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2024-11-14 03:27:47,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:27:47,984 INFO L225 Difference]: With dead ends: 24 [2024-11-14 03:27:47,984 INFO L226 Difference]: Without dead ends: 13 [2024-11-14 03:27:47,989 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 03:27:47,994 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 03:27:47,995 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 03:27:48,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-11-14 03:27:48,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-11-14 03:27:48,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-14 03:27:48,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2024-11-14 03:27:48,039 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 11 [2024-11-14 03:27:48,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:27:48,043 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2024-11-14 03:27:48,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-14 03:27:48,044 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-11-14 03:27:48,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-14 03:27:48,044 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:27:48,044 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:27:48,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f758f93d-610c-4a11-a178-22c8e9bc1913/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-14 03:27:48,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f758f93d-610c-4a11-a178-22c8e9bc1913/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:27:48,245 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-14 03:27:48,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:27:48,246 INFO L85 PathProgramCache]: Analyzing trace with hash 588350791, now seen corresponding path program 1 times [2024-11-14 03:27:48,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:27:48,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1235170511] [2024-11-14 03:27:48,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:27:48,247 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:27:48,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f758f93d-610c-4a11-a178-22c8e9bc1913/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:27:48,249 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f758f93d-610c-4a11-a178-22c8e9bc1913/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 03:27:48,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f758f93d-610c-4a11-a178-22c8e9bc1913/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-14 03:27:48,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:27:48,407 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 03:27:48,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:27:48,511 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2024-11-14 03:27:48,512 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 03:27:48,514 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-14 03:27:48,517 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-14 03:27:48,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f758f93d-610c-4a11-a178-22c8e9bc1913/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-14 03:27:48,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f758f93d-610c-4a11-a178-22c8e9bc1913/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:27:48,721 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-14 03:27:48,742 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 03:27:48,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 03:27:48 BoogieIcfgContainer [2024-11-14 03:27:48,746 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 03:27:48,746 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 03:27:48,746 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 03:27:48,747 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 03:27:48,747 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:27:47" (3/4) ... [2024-11-14 03:27:48,750 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 03:27:48,751 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 03:27:48,752 INFO L158 Benchmark]: Toolchain (without parser) took 3434.47ms. Allocated memory is still 100.7MB. Free memory was 73.6MB in the beginning and 62.9MB in the end (delta: 10.7MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2024-11-14 03:27:48,753 INFO L158 Benchmark]: CDTParser took 1.71ms. Allocated memory is still 83.9MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:27:48,753 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1559.90ms. Allocated memory is still 100.7MB. Free memory was 73.4MB in the beginning and 43.3MB in the end (delta: 30.1MB). Peak memory consumption was 49.5MB. Max. memory is 16.1GB. [2024-11-14 03:27:48,753 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.17ms. Allocated memory is still 100.7MB. Free memory was 43.3MB in the beginning and 40.7MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:27:48,754 INFO L158 Benchmark]: Boogie Preprocessor took 33.88ms. Allocated memory is still 100.7MB. Free memory was 40.7MB in the beginning and 39.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:27:48,754 INFO L158 Benchmark]: RCFGBuilder took 512.44ms. Allocated memory is still 100.7MB. Free memory was 39.1MB in the beginning and 57.7MB in the end (delta: -18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 03:27:48,754 INFO L158 Benchmark]: TraceAbstraction took 1225.98ms. Allocated memory is still 100.7MB. Free memory was 57.2MB in the beginning and 62.9MB in the end (delta: -5.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:27:48,755 INFO L158 Benchmark]: Witness Printer took 5.22ms. Allocated memory is still 100.7MB. Free memory was 62.9MB in the beginning and 62.9MB in the end (delta: 5.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:27:48,757 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.71ms. Allocated memory is still 83.9MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1559.90ms. Allocated memory is still 100.7MB. Free memory was 73.4MB in the beginning and 43.3MB in the end (delta: 30.1MB). Peak memory consumption was 49.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.17ms. Allocated memory is still 100.7MB. Free memory was 43.3MB in the beginning and 40.7MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.88ms. Allocated memory is still 100.7MB. Free memory was 40.7MB in the beginning and 39.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 512.44ms. Allocated memory is still 100.7MB. Free memory was 39.1MB in the beginning and 57.7MB in the end (delta: -18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1225.98ms. Allocated memory is still 100.7MB. Free memory was 57.2MB in the beginning and 62.9MB in the end (delta: -5.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.22ms. Allocated memory is still 100.7MB. Free memory was 62.9MB in the beginning and 62.9MB in the end (delta: 5.6kB). 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: 1577]: 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 CWE190_Integer_Overflow__int_rand_postinc_53_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 CWE190_Integer_Overflow__int_rand_postinc_53b_badSink(data) [L1567] CALL CWE190_Integer_Overflow__int_rand_postinc_53c_badSink(data) [L1572] CALL CWE190_Integer_Overflow__int_rand_postinc_53d_badSink(data) [L1577] data++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1577]: 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, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 25 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 25 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 53 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 [2024-11-14 03:27:48,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f758f93d-610c-4a11-a178-22c8e9bc1913/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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