./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_51_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_cef8b087-39fc-440e-b9e5-ab1cb0ad4a21/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cef8b087-39fc-440e-b9e5-ab1cb0ad4a21/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_cef8b087-39fc-440e-b9e5-ab1cb0ad4a21/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cef8b087-39fc-440e-b9e5-ab1cb0ad4a21/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cef8b087-39fc-440e-b9e5-ab1cb0ad4a21/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_cef8b087-39fc-440e-b9e5-ab1cb0ad4a21/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 6eee85b30be55d6799598b198b83f3a168fe3d04249cab9dce62b6af454c5f1b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 07:12:45,302 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:12:45,378 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cef8b087-39fc-440e-b9e5-ab1cb0ad4a21/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-64bit-Taipan_Default.epf [2024-11-09 07:12:45,383 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:12:45,386 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:12:45,414 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:12:45,414 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:12:45,415 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:12:45,416 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:12:45,416 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:12:45,416 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 07:12:45,417 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 07:12:45,417 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 07:12:45,418 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 07:12:45,418 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 07:12:45,418 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 07:12:45,419 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 07:12:45,419 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 07:12:45,420 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 07:12:45,420 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 07:12:45,420 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 07:12:45,425 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 07:12:45,425 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:12:45,426 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:12:45,426 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 07:12:45,426 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:12:45,427 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:12:45,427 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:12:45,427 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:12:45,428 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:12:45,428 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 07:12:45,430 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 07:12:45,431 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:12:45,431 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:12:45,431 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:12:45,432 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 07:12:45,432 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:12:45,432 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:12:45,433 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:12:45,433 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:12:45,437 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 07:12:45,437 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 07:12:45,438 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 07:12:45,438 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:12:45,438 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 07:12:45,438 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 07:12:45,439 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_cef8b087-39fc-440e-b9e5-ab1cb0ad4a21/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cef8b087-39fc-440e-b9e5-ab1cb0ad4a21/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6eee85b30be55d6799598b198b83f3a168fe3d04249cab9dce62b6af454c5f1b [2024-11-09 07:12:45,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:12:45,752 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:12:45,755 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:12:45,756 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:12:45,757 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:12:45,759 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cef8b087-39fc-440e-b9e5-ab1cb0ad4a21/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_51_bad.i Unable to find full path for "g++" [2024-11-09 07:12:47,937 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:12:48,384 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:12:48,384 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cef8b087-39fc-440e-b9e5-ab1cb0ad4a21/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_51_bad.i [2024-11-09 07:12:48,423 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cef8b087-39fc-440e-b9e5-ab1cb0ad4a21/bin/utaipan-verify-YMUCfTKeje/data/c31b9586b/bb16d3e651b14904a8907e64271550d5/FLAGeac695683 [2024-11-09 07:12:48,523 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cef8b087-39fc-440e-b9e5-ab1cb0ad4a21/bin/utaipan-verify-YMUCfTKeje/data/c31b9586b/bb16d3e651b14904a8907e64271550d5 [2024-11-09 07:12:48,527 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:12:48,531 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:12:48,532 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:12:48,533 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:12:48,540 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:12:48,540 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:12:48" (1/1) ... [2024-11-09 07:12:48,544 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69356e4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:12:48, skipping insertion in model container [2024-11-09 07:12:48,544 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:12:48" (1/1) ... [2024-11-09 07:12:48,634 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:12:49,696 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:12:49,709 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:12:49,842 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:12:50,073 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:12:50,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:12:50 WrapperNode [2024-11-09 07:12:50,075 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:12:50,076 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:12:50,076 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:12:50,076 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:12:50,084 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:12:50" (1/1) ... [2024-11-09 07:12:50,129 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:12:50" (1/1) ... [2024-11-09 07:12:50,167 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 41 [2024-11-09 07:12:50,168 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:12:50,170 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:12:50,170 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:12:50,170 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:12:50,183 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:12:50" (1/1) ... [2024-11-09 07:12:50,183 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:12:50" (1/1) ... [2024-11-09 07:12:50,189 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:12:50" (1/1) ... [2024-11-09 07:12:50,190 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:12:50" (1/1) ... [2024-11-09 07:12:50,196 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:12:50" (1/1) ... [2024-11-09 07:12:50,198 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:12:50" (1/1) ... [2024-11-09 07:12:50,200 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:12:50" (1/1) ... [2024-11-09 07:12:50,201 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:12:50" (1/1) ... [2024-11-09 07:12:50,204 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:12:50,206 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:12:50,206 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:12:50,206 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:12:50,207 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:12:50" (1/1) ... [2024-11-09 07:12:50,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:12:50,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cef8b087-39fc-440e-b9e5-ab1cb0ad4a21/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:12:50,260 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cef8b087-39fc-440e-b9e5-ab1cb0ad4a21/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 07:12:50,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cef8b087-39fc-440e-b9e5-ab1cb0ad4a21/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 07:12:50,297 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 07:12:50,297 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 07:12:50,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:12:50,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:12:50,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:12:50,471 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:12:50,473 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:12:50,580 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-09 07:12:50,580 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:12:50,620 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:12:50,621 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 07:12:50,621 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:12:50 BoogieIcfgContainer [2024-11-09 07:12:50,622 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:12:50,629 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:12:50,629 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:12:50,633 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:12:50,636 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:12:48" (1/3) ... [2024-11-09 07:12:50,637 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@128ccd4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:12:50, skipping insertion in model container [2024-11-09 07:12:50,637 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:12:50" (2/3) ... [2024-11-09 07:12:50,638 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@128ccd4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:12:50, skipping insertion in model container [2024-11-09 07:12:50,640 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:12:50" (3/3) ... [2024-11-09 07:12:50,642 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_multiply_51_bad.i [2024-11-09 07:12:50,663 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:12:50,663 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 07:12:50,748 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:12:50,756 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;@70190ece, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:12:50,757 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-09 07:12:50,763 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 8 states have (on average 1.375) 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 07:12:50,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 07:12:50,771 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:12:50,772 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:12:50,773 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 07:12:50,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:12:50,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1312829956, now seen corresponding path program 1 times [2024-11-09 07:12:50,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:12:50,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785265703] [2024-11-09 07:12:50,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:12:50,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:12:50,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:12:51,206 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 07:12:51,207 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:12:51,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785265703] [2024-11-09 07:12:51,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785265703] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:12:51,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:12:51,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:12:51,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140961393] [2024-11-09 07:12:51,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:12:51,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:12:51,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:12:51,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:12:51,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:12:51,258 INFO L87 Difference]: Start difference. First operand has 14 states, 8 states have (on average 1.375) 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) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 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) [2024-11-09 07:12:51,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:12:51,311 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2024-11-09 07:12:51,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:12:51,314 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 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) Word has length 7 [2024-11-09 07:12:51,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:12:51,323 INFO L225 Difference]: With dead ends: 16 [2024-11-09 07:12:51,323 INFO L226 Difference]: Without dead ends: 9 [2024-11-09 07:12:51,326 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 [2024-11-09 07:12:51,330 INFO L432 NwaCegarLoop]: 3 mSDtfsCounter, 1 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 07:12:51,331 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 5 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 07:12:51,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2024-11-09 07:12:51,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2024-11-09 07:12:51,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 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 07:12:51,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions. [2024-11-09 07:12:51,365 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 7 [2024-11-09 07:12:51,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:12:51,366 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 8 transitions. [2024-11-09 07:12:51,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 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) [2024-11-09 07:12:51,366 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2024-11-09 07:12:51,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 07:12:51,366 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:12:51,367 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:12:51,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 07:12:51,367 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 07:12:51,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:12:51,368 INFO L85 PathProgramCache]: Analyzing trace with hash -2043022923, now seen corresponding path program 1 times [2024-11-09 07:12:51,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:12:51,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592769188] [2024-11-09 07:12:51,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:12:51,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:12:51,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:12:51,400 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 07:12:51,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:12:51,435 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 07:12:51,436 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 07:12:51,438 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-09 07:12:51,440 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-09 07:12:51,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 07:12:51,444 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-09 07:12:51,464 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 07:12:51,468 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 07:12:51 BoogieIcfgContainer [2024-11-09 07:12:51,468 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 07:12:51,469 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 07:12:51,469 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 07:12:51,469 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 07:12:51,470 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:12:50" (3/4) ... [2024-11-09 07:12:51,473 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 07:12:51,474 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 07:12:51,475 INFO L158 Benchmark]: Toolchain (without parser) took 2944.58ms. Allocated memory was 153.1MB in the beginning and 205.5MB in the end (delta: 52.4MB). Free memory was 107.4MB in the beginning and 98.6MB in the end (delta: 8.8MB). Peak memory consumption was 63.0MB. Max. memory is 16.1GB. [2024-11-09 07:12:51,476 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 153.1MB. Free memory is still 94.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:12:51,476 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1542.87ms. Allocated memory was 153.1MB in the beginning and 205.5MB in the end (delta: 52.4MB). Free memory was 107.0MB in the beginning and 147.8MB in the end (delta: -40.8MB). Peak memory consumption was 60.9MB. Max. memory is 16.1GB. [2024-11-09 07:12:51,477 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.11ms. Allocated memory is still 205.5MB. Free memory was 147.8MB in the beginning and 144.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 07:12:51,478 INFO L158 Benchmark]: Boogie Preprocessor took 34.75ms. Allocated memory is still 205.5MB. Free memory was 144.7MB in the beginning and 143.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 07:12:51,478 INFO L158 Benchmark]: RCFGBuilder took 416.26ms. Allocated memory is still 205.5MB. Free memory was 143.6MB in the beginning and 130.0MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 07:12:51,479 INFO L158 Benchmark]: TraceAbstraction took 839.29ms. Allocated memory is still 205.5MB. Free memory was 128.9MB in the beginning and 98.6MB in the end (delta: 30.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-09 07:12:51,479 INFO L158 Benchmark]: Witness Printer took 5.32ms. Allocated memory is still 205.5MB. Free memory is still 98.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:12:51,482 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 153.1MB. Free memory is still 94.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1542.87ms. Allocated memory was 153.1MB in the beginning and 205.5MB in the end (delta: 52.4MB). Free memory was 107.0MB in the beginning and 147.8MB in the end (delta: -40.8MB). Peak memory consumption was 60.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.11ms. Allocated memory is still 205.5MB. Free memory was 147.8MB in the beginning and 144.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.75ms. Allocated memory is still 205.5MB. Free memory was 144.7MB in the beginning and 143.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 416.26ms. Allocated memory is still 205.5MB. Free memory was 143.6MB in the beginning and 130.0MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 839.29ms. Allocated memory is still 205.5MB. Free memory was 128.9MB in the beginning and 98.6MB in the end (delta: 30.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Witness Printer took 5.32ms. Allocated memory is still 205.5MB. Free memory is still 98.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1568]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1559. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [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_max_multiply_51_bad() [L1551] int data; [L1552] data = 0 [L1553] data = 0x7fffffff [L1554] CALL CWE190_Integer_Overflow__int_max_multiply_51b_badSink(data) [L1566] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1568]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, 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, 5 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 3 mSDtfsCounter, 8 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=14occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 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 07:12:51,517 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cef8b087-39fc-440e-b9e5-ab1cb0ad4a21/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cef8b087-39fc-440e-b9e5-ab1cb0ad4a21/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cef8b087-39fc-440e-b9e5-ab1cb0ad4a21/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_cef8b087-39fc-440e-b9e5-ab1cb0ad4a21/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cef8b087-39fc-440e-b9e5-ab1cb0ad4a21/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cef8b087-39fc-440e-b9e5-ab1cb0ad4a21/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_cef8b087-39fc-440e-b9e5-ab1cb0ad4a21/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 6eee85b30be55d6799598b198b83f3a168fe3d04249cab9dce62b6af454c5f1b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 07:12:54,214 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:12:54,324 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cef8b087-39fc-440e-b9e5-ab1cb0ad4a21/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2024-11-09 07:12:54,332 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:12:54,334 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:12:54,379 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:12:54,380 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:12:54,382 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:12:54,383 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:12:54,385 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:12:54,385 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 07:12:54,386 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 07:12:54,388 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 07:12:54,389 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 07:12:54,389 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 07:12:54,390 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 07:12:54,390 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:12:54,391 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:12:54,391 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:12:54,392 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:12:54,396 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:12:54,398 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:12:54,398 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 07:12:54,399 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 07:12:54,399 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:12:54,399 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 07:12:54,399 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 07:12:54,400 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 07:12:54,400 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:12:54,400 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:12:54,401 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:12:54,401 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 07:12:54,402 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 07:12:54,403 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:12:54,403 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:12:54,403 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:12:54,404 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:12:54,404 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 07:12:54,404 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 07:12:54,405 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 07:12:54,405 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:12:54,406 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 07:12:54,406 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_cef8b087-39fc-440e-b9e5-ab1cb0ad4a21/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cef8b087-39fc-440e-b9e5-ab1cb0ad4a21/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6eee85b30be55d6799598b198b83f3a168fe3d04249cab9dce62b6af454c5f1b [2024-11-09 07:12:54,860 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:12:54,899 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:12:54,902 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:12:54,904 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:12:54,905 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:12:54,907 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cef8b087-39fc-440e-b9e5-ab1cb0ad4a21/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_51_bad.i Unable to find full path for "g++" [2024-11-09 07:12:57,013 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:12:57,416 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:12:57,417 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cef8b087-39fc-440e-b9e5-ab1cb0ad4a21/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_51_bad.i [2024-11-09 07:12:57,463 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cef8b087-39fc-440e-b9e5-ab1cb0ad4a21/bin/utaipan-verify-YMUCfTKeje/data/664215fe3/db549403481845e6ae8530e63e996d52/FLAGdfbf53a50 [2024-11-09 07:12:57,482 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cef8b087-39fc-440e-b9e5-ab1cb0ad4a21/bin/utaipan-verify-YMUCfTKeje/data/664215fe3/db549403481845e6ae8530e63e996d52 [2024-11-09 07:12:57,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:12:57,487 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:12:57,488 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:12:57,488 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:12:57,496 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:12:57,497 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:12:57" (1/1) ... [2024-11-09 07:12:57,499 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42bee33b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:12:57, skipping insertion in model container [2024-11-09 07:12:57,499 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:12:57" (1/1) ... [2024-11-09 07:12:57,569 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:12:58,641 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:12:58,655 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:12:58,760 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:12:58,992 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:12:58,992 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:12:58 WrapperNode [2024-11-09 07:12:58,993 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:12:58,994 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:12:58,994 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:12:58,994 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:12:59,004 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:12:58" (1/1) ... [2024-11-09 07:12:59,045 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:12:58" (1/1) ... [2024-11-09 07:12:59,076 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 41 [2024-11-09 07:12:59,078 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:12:59,079 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:12:59,081 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:12:59,081 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:12:59,091 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:12:58" (1/1) ... [2024-11-09 07:12:59,110 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:12:58" (1/1) ... [2024-11-09 07:12:59,112 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:12:58" (1/1) ... [2024-11-09 07:12:59,113 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:12:58" (1/1) ... [2024-11-09 07:12:59,120 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:12:58" (1/1) ... [2024-11-09 07:12:59,121 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:12:58" (1/1) ... [2024-11-09 07:12:59,123 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:12:58" (1/1) ... [2024-11-09 07:12:59,125 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:12:58" (1/1) ... [2024-11-09 07:12:59,128 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:12:59,128 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:12:59,129 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:12:59,129 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:12:59,130 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:12:58" (1/1) ... [2024-11-09 07:12:59,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:12:59,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cef8b087-39fc-440e-b9e5-ab1cb0ad4a21/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:12:59,174 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cef8b087-39fc-440e-b9e5-ab1cb0ad4a21/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 07:12:59,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cef8b087-39fc-440e-b9e5-ab1cb0ad4a21/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 07:12:59,208 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 07:12:59,209 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 07:12:59,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:12:59,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:12:59,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:12:59,415 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:12:59,418 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:12:59,570 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-09 07:12:59,570 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:12:59,588 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:12:59,589 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 07:12:59,590 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:12:59 BoogieIcfgContainer [2024-11-09 07:12:59,590 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:12:59,592 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:12:59,595 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:12:59,599 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:12:59,600 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:12:57" (1/3) ... [2024-11-09 07:12:59,600 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b7b0472 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:12:59, skipping insertion in model container [2024-11-09 07:12:59,601 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:12:58" (2/3) ... [2024-11-09 07:12:59,601 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b7b0472 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:12:59, skipping insertion in model container [2024-11-09 07:12:59,601 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:12:59" (3/3) ... [2024-11-09 07:12:59,604 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_multiply_51_bad.i [2024-11-09 07:12:59,625 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:12:59,626 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 07:12:59,706 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:12:59,712 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;@4080349f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:12:59,713 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-09 07:12:59,717 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 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 07:12:59,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 07:12:59,725 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:12:59,725 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:12:59,726 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 07:12:59,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:12:59,732 INFO L85 PathProgramCache]: Analyzing trace with hash 1802775665, now seen corresponding path program 1 times [2024-11-09 07:12:59,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:12:59,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [950158106] [2024-11-09 07:12:59,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:12:59,748 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 07:12:59,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cef8b087-39fc-440e-b9e5-ab1cb0ad4a21/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:12:59,751 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cef8b087-39fc-440e-b9e5-ab1cb0ad4a21/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 07:12:59,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cef8b087-39fc-440e-b9e5-ab1cb0ad4a21/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 07:12:59,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:12:59,874 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 07:12:59,881 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:12:59,969 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 07:12:59,969 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 07:12:59,970 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 07:12:59,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [950158106] [2024-11-09 07:12:59,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [950158106] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:12:59,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:12:59,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:12:59,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411658939] [2024-11-09 07:12:59,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:12:59,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:12:59,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 07:13:00,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:13:00,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:13:00,015 INFO L87 Difference]: Start difference. First operand has 21 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 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 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 07:13:00,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:13:00,063 INFO L93 Difference]: Finished difference Result 25 states and 27 transitions. [2024-11-09 07:13:00,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:13:00,066 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 10 [2024-11-09 07:13:00,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:13:00,074 INFO L225 Difference]: With dead ends: 25 [2024-11-09 07:13:00,075 INFO L226 Difference]: Without dead ends: 12 [2024-11-09 07:13:00,078 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 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 07:13:00,084 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 1 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 07:13:00,086 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 17 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 07:13:00,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2024-11-09 07:13:00,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2024-11-09 07:13:00,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 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 07:13:00,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-09 07:13:00,127 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 10 [2024-11-09 07:13:00,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:13:00,128 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2024-11-09 07:13:00,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 07:13:00,129 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-09 07:13:00,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 07:13:00,130 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:13:00,130 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:13:00,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cef8b087-39fc-440e-b9e5-ab1cb0ad4a21/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 07:13:00,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cef8b087-39fc-440e-b9e5-ab1cb0ad4a21/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 07:13:00,332 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 07:13:00,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:13:00,333 INFO L85 PathProgramCache]: Analyzing trace with hash 51470816, now seen corresponding path program 1 times [2024-11-09 07:13:00,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:13:00,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [115892187] [2024-11-09 07:13:00,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:13:00,334 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 07:13:00,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cef8b087-39fc-440e-b9e5-ab1cb0ad4a21/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:13:00,336 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cef8b087-39fc-440e-b9e5-ab1cb0ad4a21/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 07:13:00,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cef8b087-39fc-440e-b9e5-ab1cb0ad4a21/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 07:13:00,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:13:00,452 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 07:13:00,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:13:00,520 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2024-11-09 07:13:00,520 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 07:13:00,522 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-09 07:13:00,526 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-09 07:13:00,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cef8b087-39fc-440e-b9e5-ab1cb0ad4a21/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 07:13:00,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cef8b087-39fc-440e-b9e5-ab1cb0ad4a21/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 07:13:00,736 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-09 07:13:00,770 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 07:13:00,777 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 07:13:00 BoogieIcfgContainer [2024-11-09 07:13:00,777 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 07:13:00,778 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 07:13:00,778 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 07:13:00,778 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 07:13:00,779 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:12:59" (3/4) ... [2024-11-09 07:13:00,782 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 07:13:00,783 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 07:13:00,784 INFO L158 Benchmark]: Toolchain (without parser) took 3297.19ms. Allocated memory was 81.8MB in the beginning and 109.1MB in the end (delta: 27.3MB). Free memory was 54.6MB in the beginning and 68.0MB in the end (delta: -13.3MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2024-11-09 07:13:00,785 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 81.8MB. Free memory was 57.5MB in the beginning and 57.4MB in the end (delta: 146.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 07:13:00,785 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1504.99ms. Allocated memory was 81.8MB in the beginning and 109.1MB in the end (delta: 27.3MB). Free memory was 54.6MB in the beginning and 54.5MB in the end (delta: 92.2kB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2024-11-09 07:13:00,786 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.08ms. Allocated memory is still 109.1MB. Free memory was 54.5MB in the beginning and 51.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 07:13:00,787 INFO L158 Benchmark]: Boogie Preprocessor took 48.42ms. Allocated memory is still 109.1MB. Free memory was 51.5MB in the beginning and 80.3MB in the end (delta: -28.8MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2024-11-09 07:13:00,787 INFO L158 Benchmark]: RCFGBuilder took 461.51ms. Allocated memory is still 109.1MB. Free memory was 80.3MB in the beginning and 67.3MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 07:13:00,788 INFO L158 Benchmark]: TraceAbstraction took 1184.89ms. Allocated memory is still 109.1MB. Free memory was 66.8MB in the beginning and 68.0MB in the end (delta: -1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:13:00,788 INFO L158 Benchmark]: Witness Printer took 5.20ms. Allocated memory is still 109.1MB. Free memory is still 68.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:13:00,792 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 81.8MB. Free memory was 57.5MB in the beginning and 57.4MB in the end (delta: 146.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1504.99ms. Allocated memory was 81.8MB in the beginning and 109.1MB in the end (delta: 27.3MB). Free memory was 54.6MB in the beginning and 54.5MB in the end (delta: 92.2kB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.08ms. Allocated memory is still 109.1MB. Free memory was 54.5MB in the beginning and 51.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.42ms. Allocated memory is still 109.1MB. Free memory was 51.5MB in the beginning and 80.3MB in the end (delta: -28.8MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. * RCFGBuilder took 461.51ms. Allocated memory is still 109.1MB. Free memory was 80.3MB in the beginning and 67.3MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1184.89ms. Allocated memory is still 109.1MB. Free memory was 66.8MB in the beginning and 68.0MB in the end (delta: -1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.20ms. Allocated memory is still 109.1MB. Free memory is still 68.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1568]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1559. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE190_Integer_Overflow__int_max_multiply_51_bad() [L1551] int data; [L1552] data = 0 [L1553] data = 0x7fffffff [L1554] CALL CWE190_Integer_Overflow__int_max_multiply_51b_badSink(data) [L1566] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1568]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 21 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, 17 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 9 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred 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, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 38 ConjunctsInSsa, 4 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 07:13:00,838 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cef8b087-39fc-440e-b9e5-ab1cb0ad4a21/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