./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_15_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab50238-04f2-40e8-b272-a35a082476d6/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab50238-04f2-40e8-b272-a35a082476d6/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab50238-04f2-40e8-b272-a35a082476d6/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab50238-04f2-40e8-b272-a35a082476d6/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab50238-04f2-40e8-b272-a35a082476d6/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab50238-04f2-40e8-b272-a35a082476d6/bin/utaipan-verify-YMUCfTKeje --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 e30d750b8337a38998d95c49311a3151bf95518532f236b36c6eebe0f5629fba --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:21:09,662 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:21:09,745 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab50238-04f2-40e8-b272-a35a082476d6/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-64bit-Taipan_Default.epf [2024-11-09 05:21:09,750 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:21:09,750 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:21:09,773 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:21:09,774 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:21:09,775 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:21:09,775 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:21:09,776 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:21:09,776 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:21:09,777 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:21:09,777 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:21:09,777 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:21:09,778 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:21:09,778 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:21:09,778 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:21:09,784 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:21:09,784 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:21:09,785 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:21:09,785 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:21:09,786 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:21:09,786 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:21:09,790 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:21:09,791 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:21:09,791 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:21:09,791 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:21:09,792 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:21:09,792 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:21:09,792 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:21:09,792 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 05:21:09,792 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 05:21:09,793 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:21:09,793 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:21:09,794 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:21:09,794 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:21:09,795 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:21:09,795 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:21:09,796 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:21:09,797 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:21:09,797 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:21:09,797 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:21:09,798 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:21:09,798 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:21:09,799 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:21:09,799 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:21:09,799 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab50238-04f2-40e8-b272-a35a082476d6/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab50238-04f2-40e8-b272-a35a082476d6/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e30d750b8337a38998d95c49311a3151bf95518532f236b36c6eebe0f5629fba [2024-11-09 05:21:10,151 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:21:10,204 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:21:10,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:21:10,209 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:21:10,211 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:21:10,213 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab50238-04f2-40e8-b272-a35a082476d6/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_15_bad.i Unable to find full path for "g++" [2024-11-09 05:21:12,399 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:21:12,920 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:21:12,921 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab50238-04f2-40e8-b272-a35a082476d6/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_15_bad.i [2024-11-09 05:21:12,972 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab50238-04f2-40e8-b272-a35a082476d6/bin/utaipan-verify-YMUCfTKeje/data/0e633d4ce/f72f900acc814033848f517cb1ff0d67/FLAG08f08428d [2024-11-09 05:21:12,997 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab50238-04f2-40e8-b272-a35a082476d6/bin/utaipan-verify-YMUCfTKeje/data/0e633d4ce/f72f900acc814033848f517cb1ff0d67 [2024-11-09 05:21:13,001 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:21:13,003 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:21:13,008 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:21:13,009 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:21:13,018 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:21:13,019 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:21:12" (1/1) ... [2024-11-09 05:21:13,022 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3590335f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:21:13, skipping insertion in model container [2024-11-09 05:21:13,023 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:21:12" (1/1) ... [2024-11-09 05:21:13,130 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:21:15,692 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:21:15,703 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:21:15,861 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:21:16,336 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:21:16,336 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:21:16 WrapperNode [2024-11-09 05:21:16,337 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:21:16,338 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:21:16,338 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:21:16,338 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:21:16,347 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:21:16" (1/1) ... [2024-11-09 05:21:16,395 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:21:16" (1/1) ... [2024-11-09 05:21:16,431 INFO L138 Inliner]: procedures = 935, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 136 [2024-11-09 05:21:16,432 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:21:16,433 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:21:16,433 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:21:16,433 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:21:16,444 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:21:16" (1/1) ... [2024-11-09 05:21:16,445 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:21:16" (1/1) ... [2024-11-09 05:21:16,448 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:21:16" (1/1) ... [2024-11-09 05:21:16,448 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:21:16" (1/1) ... [2024-11-09 05:21:16,454 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:21:16" (1/1) ... [2024-11-09 05:21:16,457 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:21:16" (1/1) ... [2024-11-09 05:21:16,459 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:21:16" (1/1) ... [2024-11-09 05:21:16,461 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:21:16" (1/1) ... [2024-11-09 05:21:16,464 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:21:16,465 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:21:16,466 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:21:16,466 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:21:16,467 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:21:16" (1/1) ... [2024-11-09 05:21:16,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:21:16,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab50238-04f2-40e8-b272-a35a082476d6/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:21:16,513 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab50238-04f2-40e8-b272-a35a082476d6/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:21:16,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab50238-04f2-40e8-b272-a35a082476d6/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:21:16,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:21:16,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:21:16,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:21:16,568 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 05:21:16,568 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 05:21:16,825 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:21:16,828 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:21:17,154 INFO L? ?]: Removed 61 outVars from TransFormulas that were not future-live. [2024-11-09 05:21:17,154 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:21:17,410 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:21:17,411 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 05:21:17,412 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:21:17 BoogieIcfgContainer [2024-11-09 05:21:17,412 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:21:17,414 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:21:17,414 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:21:17,417 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:21:17,418 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:21:12" (1/3) ... [2024-11-09 05:21:17,419 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73332815 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:21:17, skipping insertion in model container [2024-11-09 05:21:17,419 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:21:16" (2/3) ... [2024-11-09 05:21:17,420 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73332815 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:21:17, skipping insertion in model container [2024-11-09 05:21:17,420 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:21:17" (3/3) ... [2024-11-09 05:21:17,423 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_square_15_bad.i [2024-11-09 05:21:17,443 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:21:17,444 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 05:21:17,523 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:21:17,531 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;@5a04aaee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:21:17,531 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-09 05:21:17,535 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 12 states have (on average 1.5) internal successors, (18), 16 states have internal predecessors, (18), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 05:21:17,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 05:21:17,543 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:21:17,544 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:21:17,544 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 05:21:17,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:21:17,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1967195549, now seen corresponding path program 1 times [2024-11-09 05:21:17,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:21:17,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107759426] [2024-11-09 05:21:17,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:21:17,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:21:17,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:21:17,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:21:17,905 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:21:17,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107759426] [2024-11-09 05:21:17,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107759426] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:21:17,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:21:17,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-09 05:21:17,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36328184] [2024-11-09 05:21:17,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:21:17,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 05:21:17,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:21:17,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 05:21:17,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:21:17,949 INFO L87 Difference]: Start difference. First operand has 20 states, 12 states have (on average 1.5) internal successors, (18), 16 states have internal predecessors, (18), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 1 states have (on average 7.0) internal successors, (7), 2 states have internal predecessors, (7), 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) [2024-11-09 05:21:18,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:21:18,006 INFO L93 Difference]: Finished difference Result 20 states and 26 transitions. [2024-11-09 05:21:18,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 05:21:18,009 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 7.0) internal successors, (7), 2 states have internal predecessors, (7), 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 9 [2024-11-09 05:21:18,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:21:18,017 INFO L225 Difference]: With dead ends: 20 [2024-11-09 05:21:18,018 INFO L226 Difference]: Without dead ends: 13 [2024-11-09 05:21:18,021 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:21:18,028 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:21:18,030 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 19 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:21:18,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-11-09 05:21:18,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-11-09 05:21:18,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 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) [2024-11-09 05:21:18,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2024-11-09 05:21:18,073 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 15 transitions. Word has length 9 [2024-11-09 05:21:18,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:21:18,075 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 15 transitions. [2024-11-09 05:21:18,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 7.0) internal successors, (7), 2 states have internal predecessors, (7), 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) [2024-11-09 05:21:18,076 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2024-11-09 05:21:18,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 05:21:18,078 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:21:18,078 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:21:18,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:21:18,081 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 05:21:18,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:21:18,082 INFO L85 PathProgramCache]: Analyzing trace with hash -853519734, now seen corresponding path program 1 times [2024-11-09 05:21:18,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:21:18,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208708347] [2024-11-09 05:21:18,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:21:18,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:21:18,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 05:21:18,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1549000708] [2024-11-09 05:21:18,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:21:18,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:21:18,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab50238-04f2-40e8-b272-a35a082476d6/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:21:18,301 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab50238-04f2-40e8-b272-a35a082476d6/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:21:18,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab50238-04f2-40e8-b272-a35a082476d6/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 05:21:18,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:21:18,450 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 05:21:18,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:21:18,667 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 05:21:18,670 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 05:21:18,672 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-09 05:21:18,676 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-09 05:21:18,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab50238-04f2-40e8-b272-a35a082476d6/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 05:21:18,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab50238-04f2-40e8-b272-a35a082476d6/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-09 05:21:18,881 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-09 05:21:18,909 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 05:21:18,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:21:18 BoogieIcfgContainer [2024-11-09 05:21:18,913 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 05:21:18,914 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 05:21:18,914 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 05:21:18,915 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 05:21:18,915 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:21:17" (3/4) ... [2024-11-09 05:21:18,919 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 05:21:18,920 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 05:21:18,921 INFO L158 Benchmark]: Toolchain (without parser) took 5918.25ms. Allocated memory was 155.2MB in the beginning and 192.9MB in the end (delta: 37.7MB). Free memory was 114.6MB in the beginning and 133.1MB in the end (delta: -18.5MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2024-11-09 05:21:18,922 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 96.5MB. Free memory was 73.0MB in the beginning and 72.9MB in the end (delta: 82.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:21:18,923 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3329.43ms. Allocated memory is still 155.2MB. Free memory was 114.2MB in the beginning and 66.6MB in the end (delta: 47.6MB). Peak memory consumption was 73.2MB. Max. memory is 16.1GB. [2024-11-09 05:21:18,923 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.52ms. Allocated memory is still 155.2MB. Free memory was 66.6MB in the beginning and 63.2MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:21:18,924 INFO L158 Benchmark]: Boogie Preprocessor took 31.72ms. Allocated memory is still 155.2MB. Free memory was 63.2MB in the beginning and 61.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:21:18,925 INFO L158 Benchmark]: RCFGBuilder took 946.42ms. Allocated memory is still 155.2MB. Free memory was 61.4MB in the beginning and 81.7MB in the end (delta: -20.3MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2024-11-09 05:21:18,925 INFO L158 Benchmark]: TraceAbstraction took 1499.40ms. Allocated memory was 155.2MB in the beginning and 192.9MB in the end (delta: 37.7MB). Free memory was 80.7MB in the beginning and 133.1MB in the end (delta: -52.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:21:18,926 INFO L158 Benchmark]: Witness Printer took 6.33ms. Allocated memory is still 192.9MB. Free memory is still 133.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:21:18,930 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 96.5MB. Free memory was 73.0MB in the beginning and 72.9MB in the end (delta: 82.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3329.43ms. Allocated memory is still 155.2MB. Free memory was 114.2MB in the beginning and 66.6MB in the end (delta: 47.6MB). Peak memory consumption was 73.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.52ms. Allocated memory is still 155.2MB. Free memory was 66.6MB in the beginning and 63.2MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.72ms. Allocated memory is still 155.2MB. Free memory was 63.2MB in the beginning and 61.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 946.42ms. Allocated memory is still 155.2MB. Free memory was 61.4MB in the beginning and 81.7MB in the end (delta: -20.3MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1499.40ms. Allocated memory was 155.2MB in the beginning and 192.9MB in the end (delta: 37.7MB). Free memory was 80.7MB in the beginning and 133.1MB in the end (delta: -52.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.33ms. Allocated memory is still 192.9MB. Free memory is still 133.1MB. 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: 1849]: 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 1861, overapproximation of bitwiseOr at line 1839. 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); [L1861] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1861] 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] [L1862] CALL CWE190_Integer_Overflow__int_rand_square_15_bad() [L1834] int data; [L1835] data = 0 [L1838] case 6: [L1838] case 6: [L1838] case 6: [L1838] case 6: [L1839] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1839] data = ((int)(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, data=2147482616, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1847] case 7: VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147482616, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1849] data * 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: 1849]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, 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, 19 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 19 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred 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, 0.3s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 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 [2024-11-09 05:21:18,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab50238-04f2-40e8-b272-a35a082476d6/bin/utaipan-verify-YMUCfTKeje/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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab50238-04f2-40e8-b272-a35a082476d6/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab50238-04f2-40e8-b272-a35a082476d6/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab50238-04f2-40e8-b272-a35a082476d6/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab50238-04f2-40e8-b272-a35a082476d6/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab50238-04f2-40e8-b272-a35a082476d6/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab50238-04f2-40e8-b272-a35a082476d6/bin/utaipan-verify-YMUCfTKeje --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 e30d750b8337a38998d95c49311a3151bf95518532f236b36c6eebe0f5629fba --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:21:21,573 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:21:21,689 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab50238-04f2-40e8-b272-a35a082476d6/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2024-11-09 05:21:21,697 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:21:21,698 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:21:21,754 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:21:21,754 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:21:21,757 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:21:21,758 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:21:21,759 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:21:21,760 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:21:21,760 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:21:21,761 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:21:21,763 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:21:21,764 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:21:21,764 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:21:21,765 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:21:21,766 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:21:21,766 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:21:21,767 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:21:21,770 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:21:21,771 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:21:21,771 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 05:21:21,772 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 05:21:21,772 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:21:21,772 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 05:21:21,773 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 05:21:21,773 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 05:21:21,773 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:21:21,774 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:21:21,774 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:21:21,774 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 05:21:21,776 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:21:21,777 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:21:21,778 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:21:21,778 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:21:21,779 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:21:21,779 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:21:21,779 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 05:21:21,779 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 05:21:21,780 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:21:21,781 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:21:21,781 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab50238-04f2-40e8-b272-a35a082476d6/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab50238-04f2-40e8-b272-a35a082476d6/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e30d750b8337a38998d95c49311a3151bf95518532f236b36c6eebe0f5629fba [2024-11-09 05:21:22,198 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:21:22,225 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:21:22,229 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:21:22,230 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:21:22,231 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:21:22,233 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab50238-04f2-40e8-b272-a35a082476d6/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_15_bad.i Unable to find full path for "g++" [2024-11-09 05:21:24,629 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:21:25,166 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:21:25,168 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab50238-04f2-40e8-b272-a35a082476d6/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_15_bad.i [2024-11-09 05:21:25,208 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab50238-04f2-40e8-b272-a35a082476d6/bin/utaipan-verify-YMUCfTKeje/data/b660235b5/62bda2bd696543d693d7b1f6bdb512b6/FLAG91c8a1a22 [2024-11-09 05:21:25,247 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab50238-04f2-40e8-b272-a35a082476d6/bin/utaipan-verify-YMUCfTKeje/data/b660235b5/62bda2bd696543d693d7b1f6bdb512b6 [2024-11-09 05:21:25,251 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:21:25,252 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:21:25,255 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:21:25,256 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:21:25,262 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:21:25,263 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:21:25" (1/1) ... [2024-11-09 05:21:25,265 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2161cb92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:21:25, skipping insertion in model container [2024-11-09 05:21:25,265 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:21:25" (1/1) ... [2024-11-09 05:21:25,363 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:21:27,381 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:21:27,421 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:21:27,565 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:21:28,139 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:21:28,140 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:21:28 WrapperNode [2024-11-09 05:21:28,140 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:21:28,144 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:21:28,145 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:21:28,145 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:21:28,153 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:21:28" (1/1) ... [2024-11-09 05:21:28,196 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:21:28" (1/1) ... [2024-11-09 05:21:28,243 INFO L138 Inliner]: procedures = 940, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 92 [2024-11-09 05:21:28,246 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:21:28,247 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:21:28,248 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:21:28,248 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:21:28,260 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:21:28" (1/1) ... [2024-11-09 05:21:28,261 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:21:28" (1/1) ... [2024-11-09 05:21:28,268 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:21:28" (1/1) ... [2024-11-09 05:21:28,272 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:21:28" (1/1) ... [2024-11-09 05:21:28,286 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:21:28" (1/1) ... [2024-11-09 05:21:28,288 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:21:28" (1/1) ... [2024-11-09 05:21:28,292 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:21:28" (1/1) ... [2024-11-09 05:21:28,294 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:21:28" (1/1) ... [2024-11-09 05:21:28,299 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:21:28,300 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:21:28,300 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:21:28,300 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:21:28,302 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:21:28" (1/1) ... [2024-11-09 05:21:28,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:21:28,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab50238-04f2-40e8-b272-a35a082476d6/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:21:28,354 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab50238-04f2-40e8-b272-a35a082476d6/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:21:28,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab50238-04f2-40e8-b272-a35a082476d6/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:21:28,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:21:28,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:21:28,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:21:28,388 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 05:21:28,389 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 05:21:28,595 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:21:28,597 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:21:31,756 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2024-11-09 05:21:31,757 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:21:31,779 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:21:31,780 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 05:21:31,781 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:21:31 BoogieIcfgContainer [2024-11-09 05:21:31,781 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:21:31,785 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:21:31,785 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:21:31,790 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:21:31,791 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:21:25" (1/3) ... [2024-11-09 05:21:31,792 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@340aec4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:21:31, skipping insertion in model container [2024-11-09 05:21:31,792 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:21:28" (2/3) ... [2024-11-09 05:21:31,794 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@340aec4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:21:31, skipping insertion in model container [2024-11-09 05:21:31,795 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:21:31" (3/3) ... [2024-11-09 05:21:31,796 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_square_15_bad.i [2024-11-09 05:21:31,823 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:21:31,823 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 05:21:31,917 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:21:31,925 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;@14b92f42, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:21:31,925 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-09 05:21:31,930 INFO L276 IsEmpty]: Start isEmpty. Operand has 29 states, 21 states have (on average 1.380952380952381) internal successors, (29), 25 states have internal predecessors, (29), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 05:21:31,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 05:21:31,939 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:21:31,940 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:21:31,940 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 05:21:31,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:21:31,948 INFO L85 PathProgramCache]: Analyzing trace with hash 56724319, now seen corresponding path program 1 times [2024-11-09 05:21:31,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:21:31,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [652990322] [2024-11-09 05:21:31,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:21:31,961 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 [2024-11-09 05:21:31,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab50238-04f2-40e8-b272-a35a082476d6/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:21:31,964 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab50238-04f2-40e8-b272-a35a082476d6/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 05:21:31,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab50238-04f2-40e8-b272-a35a082476d6/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:21:32,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:21:32,190 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 05:21:32,199 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:21:32,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:21:32,247 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:21:32,248 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:21:32,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [652990322] [2024-11-09 05:21:32,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [652990322] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:21:32,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:21:32,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:21:32,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906862280] [2024-11-09 05:21:32,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:21:32,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:21:32,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:21:32,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:21:32,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:21:32,294 INFO L87 Difference]: Start difference. First operand has 29 states, 21 states have (on average 1.380952380952381) internal successors, (29), 25 states have internal predecessors, (29), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-11-09 05:21:32,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:21:32,325 INFO L93 Difference]: Finished difference Result 49 states and 60 transitions. [2024-11-09 05:21:32,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:21:32,329 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 13 [2024-11-09 05:21:32,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:21:32,338 INFO L225 Difference]: With dead ends: 49 [2024-11-09 05:21:32,338 INFO L226 Difference]: Without dead ends: 17 [2024-11-09 05:21:32,353 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:21:32,357 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 0 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:21:32,359 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 59 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:21:32,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2024-11-09 05:21:32,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2024-11-09 05:21:32,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 14 states have internal predecessors, (16), 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) [2024-11-09 05:21:32,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2024-11-09 05:21:32,443 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 13 [2024-11-09 05:21:32,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:21:32,444 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2024-11-09 05:21:32,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-11-09 05:21:32,445 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2024-11-09 05:21:32,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 05:21:32,446 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:21:32,446 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:21:32,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab50238-04f2-40e8-b272-a35a082476d6/bin/utaipan-verify-YMUCfTKeje/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)] Ended with exit code 0 [2024-11-09 05:21:32,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab50238-04f2-40e8-b272-a35a082476d6/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:21:32,651 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 05:21:32,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:21:32,652 INFO L85 PathProgramCache]: Analyzing trace with hash 1489408490, now seen corresponding path program 1 times [2024-11-09 05:21:32,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:21:32,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1879479032] [2024-11-09 05:21:32,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:21:32,654 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 [2024-11-09 05:21:32,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab50238-04f2-40e8-b272-a35a082476d6/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:21:32,658 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab50238-04f2-40e8-b272-a35a082476d6/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 05:21:32,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab50238-04f2-40e8-b272-a35a082476d6/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:21:32,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:21:32,817 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 05:21:32,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:21:32,931 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2024-11-09 05:21:32,932 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 05:21:32,934 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-09 05:21:32,937 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-09 05:21:32,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab50238-04f2-40e8-b272-a35a082476d6/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:21:33,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab50238-04f2-40e8-b272-a35a082476d6/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:21:33,142 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-09 05:21:33,170 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 05:21:33,176 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:21:33 BoogieIcfgContainer [2024-11-09 05:21:33,177 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 05:21:33,178 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 05:21:33,178 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 05:21:33,178 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 05:21:33,179 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:21:31" (3/4) ... [2024-11-09 05:21:33,182 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 05:21:33,184 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 05:21:33,185 INFO L158 Benchmark]: Toolchain (without parser) took 7932.13ms. Allocated memory was 62.9MB in the beginning and 104.9MB in the end (delta: 41.9MB). Free memory was 29.6MB in the beginning and 56.7MB in the end (delta: -27.1MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2024-11-09 05:21:33,185 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 62.9MB. Free memory was 39.0MB in the beginning and 38.9MB in the end (delta: 81.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:21:33,186 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2888.10ms. Allocated memory was 62.9MB in the beginning and 104.9MB in the end (delta: 41.9MB). Free memory was 29.4MB in the beginning and 42.0MB in the end (delta: -12.6MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. [2024-11-09 05:21:33,187 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.30ms. Allocated memory is still 104.9MB. Free memory was 42.0MB in the beginning and 37.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 05:21:33,187 INFO L158 Benchmark]: Boogie Preprocessor took 51.84ms. Allocated memory is still 104.9MB. Free memory was 37.8MB in the beginning and 35.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:21:33,190 INFO L158 Benchmark]: RCFGBuilder took 3480.97ms. Allocated memory is still 104.9MB. Free memory was 35.7MB in the beginning and 61.5MB in the end (delta: -25.8MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2024-11-09 05:21:33,191 INFO L158 Benchmark]: TraceAbstraction took 1392.27ms. Allocated memory is still 104.9MB. Free memory was 60.3MB in the beginning and 57.4MB in the end (delta: 2.9MB). Peak memory consumption was 965.6kB. Max. memory is 16.1GB. [2024-11-09 05:21:33,192 INFO L158 Benchmark]: Witness Printer took 6.23ms. Allocated memory is still 104.9MB. Free memory was 57.4MB in the beginning and 56.7MB in the end (delta: 677.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:21:33,198 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 62.9MB. Free memory was 39.0MB in the beginning and 38.9MB in the end (delta: 81.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2888.10ms. Allocated memory was 62.9MB in the beginning and 104.9MB in the end (delta: 41.9MB). Free memory was 29.4MB in the beginning and 42.0MB in the end (delta: -12.6MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.30ms. Allocated memory is still 104.9MB. Free memory was 42.0MB in the beginning and 37.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.84ms. Allocated memory is still 104.9MB. Free memory was 37.8MB in the beginning and 35.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 3480.97ms. Allocated memory is still 104.9MB. Free memory was 35.7MB in the beginning and 61.5MB in the end (delta: -25.8MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1392.27ms. Allocated memory is still 104.9MB. Free memory was 60.3MB in the beginning and 57.4MB in the end (delta: 2.9MB). Peak memory consumption was 965.6kB. Max. memory is 16.1GB. * Witness Printer took 6.23ms. Allocated memory is still 104.9MB. Free memory was 57.4MB in the beginning and 56.7MB in the end (delta: 677.2kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1849]: 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 1861. 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] [L1861] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1861] 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] [L1862] CALL CWE190_Integer_Overflow__int_rand_square_15_bad() [L1834] int data; [L1835] data = 0 [L1838] case 6: [L1838] case 6: [L1839] 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, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1839] data = ((int)(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, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1847] case 7: 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] [L1849] data * 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: 1849]: 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, 29 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, 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, 59 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 28 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 31 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 12 SizeOfPredicates, 0 NumberOfNonLiveVariables, 45 ConjunctsInSsa, 2 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 [2024-11-09 05:21:33,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab50238-04f2-40e8-b272-a35a082476d6/bin/utaipan-verify-YMUCfTKeje/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