./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_63_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055a5adf-2296-4edf-ae0b-305b1de39410/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055a5adf-2296-4edf-ae0b-305b1de39410/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055a5adf-2296-4edf-ae0b-305b1de39410/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055a5adf-2296-4edf-ae0b-305b1de39410/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055a5adf-2296-4edf-ae0b-305b1de39410/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055a5adf-2296-4edf-ae0b-305b1de39410/bin/utaipan-verify-sOmjnqqW8E --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6551d48fa9866cf8bae66200bb2690df46beb5869d4f821770062ec0a84a452d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 02:42:43,603 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 02:42:43,693 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055a5adf-2296-4edf-ae0b-305b1de39410/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-64bit-Taipan_Default.epf [2024-11-14 02:42:43,698 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 02:42:43,698 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 02:42:43,733 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 02:42:43,734 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 02:42:43,735 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 02:42:43,736 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 02:42:43,736 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 02:42:43,736 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 02:42:43,737 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 02:42:43,737 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 02:42:43,737 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 02:42:43,738 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 02:42:43,738 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 02:42:43,739 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 02:42:43,739 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 02:42:43,740 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 02:42:43,740 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 02:42:43,740 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 02:42:43,740 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 02:42:43,740 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 02:42:43,740 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 02:42:43,741 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 02:42:43,741 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 02:42:43,741 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 02:42:43,741 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 02:42:43,741 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 02:42:43,742 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 02:42:43,742 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-14 02:42:43,742 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 02:42:43,742 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 02:42:43,742 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 02:42:43,742 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 02:42:43,743 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 02:42:43,743 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 02:42:43,744 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:42:43,744 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 02:42:43,744 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 02:42:43,744 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 02:42:43,744 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 02:42:43,744 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 02:42:43,744 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 02:42:43,745 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 02:42:43,745 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 02:42:43,745 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055a5adf-2296-4edf-ae0b-305b1de39410/bin/utaipan-verify-sOmjnqqW8E Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6551d48fa9866cf8bae66200bb2690df46beb5869d4f821770062ec0a84a452d [2024-11-14 02:42:44,081 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 02:42:44,093 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 02:42:44,098 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 02:42:44,101 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 02:42:44,101 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 02:42:44,102 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055a5adf-2296-4edf-ae0b-305b1de39410/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_63_bad.i Unable to find full path for "g++" [2024-11-14 02:42:46,173 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 02:42:46,686 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 02:42:46,688 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055a5adf-2296-4edf-ae0b-305b1de39410/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_63_bad.i [2024-11-14 02:42:46,726 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055a5adf-2296-4edf-ae0b-305b1de39410/bin/utaipan-verify-sOmjnqqW8E/data/b03976b1f/52cf9ed635654ee2964e580c157522c1/FLAG048e03b9c [2024-11-14 02:42:46,751 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055a5adf-2296-4edf-ae0b-305b1de39410/bin/utaipan-verify-sOmjnqqW8E/data/b03976b1f/52cf9ed635654ee2964e580c157522c1 [2024-11-14 02:42:46,754 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 02:42:46,756 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 02:42:46,758 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 02:42:46,758 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 02:42:46,767 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 02:42:46,768 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:42:46" (1/1) ... [2024-11-14 02:42:46,771 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@179f11e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:46, skipping insertion in model container [2024-11-14 02:42:46,771 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:42:46" (1/1) ... [2024-11-14 02:42:46,836 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 02:42:47,986 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:42:48,002 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 02:42:48,158 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:42:48,308 INFO L204 MainTranslator]: Completed translation [2024-11-14 02:42:48,309 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:48 WrapperNode [2024-11-14 02:42:48,310 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 02:42:48,311 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 02:42:48,311 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 02:42:48,312 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 02:42:48,319 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:48" (1/1) ... [2024-11-14 02:42:48,349 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:48" (1/1) ... [2024-11-14 02:42:48,380 INFO L138 Inliner]: procedures = 498, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 48 [2024-11-14 02:42:48,381 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 02:42:48,382 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 02:42:48,382 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 02:42:48,382 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 02:42:48,390 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:48" (1/1) ... [2024-11-14 02:42:48,391 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:48" (1/1) ... [2024-11-14 02:42:48,398 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:48" (1/1) ... [2024-11-14 02:42:48,398 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:48" (1/1) ... [2024-11-14 02:42:48,407 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:48" (1/1) ... [2024-11-14 02:42:48,409 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:48" (1/1) ... [2024-11-14 02:42:48,411 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:48" (1/1) ... [2024-11-14 02:42:48,412 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:48" (1/1) ... [2024-11-14 02:42:48,414 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 02:42:48,415 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 02:42:48,415 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 02:42:48,415 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 02:42:48,416 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:48" (1/1) ... [2024-11-14 02:42:48,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:42:48,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055a5adf-2296-4edf-ae0b-305b1de39410/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:42:48,455 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055a5adf-2296-4edf-ae0b-305b1de39410/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 02:42:48,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055a5adf-2296-4edf-ae0b-305b1de39410/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 02:42:48,485 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-14 02:42:48,486 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-14 02:42:48,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 02:42:48,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 02:42:48,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 02:42:48,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 02:42:48,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 02:42:48,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 02:42:48,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 02:42:48,699 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 02:42:48,703 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 02:42:48,850 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-14 02:42:48,851 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 02:42:48,895 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 02:42:48,895 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-14 02:42:48,896 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:42:48 BoogieIcfgContainer [2024-11-14 02:42:48,896 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 02:42:48,898 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 02:42:48,899 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 02:42:48,904 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 02:42:48,904 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 02:42:46" (1/3) ... [2024-11-14 02:42:48,905 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b153b5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:42:48, skipping insertion in model container [2024-11-14 02:42:48,905 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:48" (2/3) ... [2024-11-14 02:42:48,906 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b153b5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:42:48, skipping insertion in model container [2024-11-14 02:42:48,906 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:42:48" (3/3) ... [2024-11-14 02:42:48,907 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_postdec_63_bad.i [2024-11-14 02:42:48,927 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 02:42:48,928 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_min_postdec_63_bad.i that has 2 procedures, 12 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-14 02:42:48,985 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 02:42:49,002 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;@3210ef3e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 02:42:49,002 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-14 02:42:49,007 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 8 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 02:42:49,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-14 02:42:49,015 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:42:49,016 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-14 02:42:49,017 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-14 02:42:49,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:42:49,023 INFO L85 PathProgramCache]: Analyzing trace with hash 1830714995, now seen corresponding path program 1 times [2024-11-14 02:42:49,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:42:49,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298329023] [2024-11-14 02:42:49,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:49,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:42:49,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 02:42:49,214 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 02:42:49,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 02:42:49,284 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 02:42:49,285 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 02:42:49,287 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-14 02:42:49,289 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-14 02:42:49,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 02:42:49,298 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 02:42:49,327 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 02:42:49,331 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 02:42:49 BoogieIcfgContainer [2024-11-14 02:42:49,331 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 02:42:49,332 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 02:42:49,333 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 02:42:49,333 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 02:42:49,334 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:42:48" (3/4) ... [2024-11-14 02:42:49,336 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 02:42:49,337 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 02:42:49,338 INFO L158 Benchmark]: Toolchain (without parser) took 2582.52ms. Allocated memory is still 142.6MB. Free memory was 114.0MB in the beginning and 89.2MB in the end (delta: 24.9MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2024-11-14 02:42:49,341 INFO L158 Benchmark]: CDTParser took 1.87ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:42:49,341 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1552.80ms. Allocated memory is still 142.6MB. Free memory was 113.9MB in the beginning and 53.6MB in the end (delta: 60.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-14 02:42:49,342 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.99ms. Allocated memory is still 142.6MB. Free memory was 53.6MB in the beginning and 51.2MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:42:49,342 INFO L158 Benchmark]: Boogie Preprocessor took 32.44ms. Allocated memory is still 142.6MB. Free memory was 51.2MB in the beginning and 50.2MB in the end (delta: 934.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:42:49,342 INFO L158 Benchmark]: RCFGBuilder took 481.00ms. Allocated memory is still 142.6MB. Free memory was 50.1MB in the beginning and 106.0MB in the end (delta: -55.9MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2024-11-14 02:42:49,343 INFO L158 Benchmark]: TraceAbstraction took 433.02ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 89.9MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 02:42:49,343 INFO L158 Benchmark]: Witness Printer took 5.04ms. Allocated memory is still 142.6MB. Free memory was 89.9MB in the beginning and 89.2MB in the end (delta: 676.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:42:49,345 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.87ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1552.80ms. Allocated memory is still 142.6MB. Free memory was 113.9MB in the beginning and 53.6MB in the end (delta: 60.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.99ms. Allocated memory is still 142.6MB. Free memory was 53.6MB in the beginning and 51.2MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.44ms. Allocated memory is still 142.6MB. Free memory was 51.2MB in the beginning and 50.2MB in the end (delta: 934.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 481.00ms. Allocated memory is still 142.6MB. Free memory was 50.1MB in the beginning and 106.0MB in the end (delta: -55.9MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * TraceAbstraction took 433.02ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 89.9MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.04ms. Allocated memory is still 142.6MB. Free memory was 89.9MB in the beginning and 89.2MB in the end (delta: 676.0kB). 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: 1552]: 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 1568. 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); [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_min_postdec_63_bad() [L1560] int data; [L1561] data = 0 [L1562] data = (-0x7fffffff - 1) [L1563] CALL CWE191_Integer_Underflow__int_min_postdec_63b_badSink(&data) [L1550] EXPR \read(*dataPtr) [L1550] int data = *dataPtr; [L1552] 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: 1552]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-14 02:42:49,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055a5adf-2296-4edf-ae0b-305b1de39410/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055a5adf-2296-4edf-ae0b-305b1de39410/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055a5adf-2296-4edf-ae0b-305b1de39410/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055a5adf-2296-4edf-ae0b-305b1de39410/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055a5adf-2296-4edf-ae0b-305b1de39410/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055a5adf-2296-4edf-ae0b-305b1de39410/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055a5adf-2296-4edf-ae0b-305b1de39410/bin/utaipan-verify-sOmjnqqW8E --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6551d48fa9866cf8bae66200bb2690df46beb5869d4f821770062ec0a84a452d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 02:42:52,310 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 02:42:52,420 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055a5adf-2296-4edf-ae0b-305b1de39410/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2024-11-14 02:42:52,437 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 02:42:52,437 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 02:42:52,477 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 02:42:52,478 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 02:42:52,478 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 02:42:52,478 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 02:42:52,479 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 02:42:52,479 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 02:42:52,480 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 02:42:52,481 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 02:42:52,481 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 02:42:52,481 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 02:42:52,481 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 02:42:52,482 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 02:42:52,482 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 02:42:52,482 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 02:42:52,483 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 02:42:52,483 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 02:42:52,483 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 02:42:52,483 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 02:42:52,483 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 02:42:52,483 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 02:42:52,483 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-14 02:42:52,484 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 02:42:52,484 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 02:42:52,484 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 02:42:52,484 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 02:42:52,484 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 02:42:52,485 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 02:42:52,485 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 02:42:52,485 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 02:42:52,485 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:42:52,485 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 02:42:52,486 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 02:42:52,486 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 02:42:52,487 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 02:42:52,487 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 02:42:52,487 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 02:42:52,487 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 02:42:52,487 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055a5adf-2296-4edf-ae0b-305b1de39410/bin/utaipan-verify-sOmjnqqW8E Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6551d48fa9866cf8bae66200bb2690df46beb5869d4f821770062ec0a84a452d [2024-11-14 02:42:52,848 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 02:42:52,857 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 02:42:52,862 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 02:42:52,864 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 02:42:52,864 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 02:42:52,865 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055a5adf-2296-4edf-ae0b-305b1de39410/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_63_bad.i Unable to find full path for "g++" [2024-11-14 02:42:54,902 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 02:42:55,367 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 02:42:55,368 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055a5adf-2296-4edf-ae0b-305b1de39410/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_63_bad.i [2024-11-14 02:42:55,401 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055a5adf-2296-4edf-ae0b-305b1de39410/bin/utaipan-verify-sOmjnqqW8E/data/b9bb7967a/b34cab6867944ce6a8b1abe18cffdc93/FLAG2dbff49dc [2024-11-14 02:42:55,425 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055a5adf-2296-4edf-ae0b-305b1de39410/bin/utaipan-verify-sOmjnqqW8E/data/b9bb7967a/b34cab6867944ce6a8b1abe18cffdc93 [2024-11-14 02:42:55,428 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 02:42:55,430 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 02:42:55,432 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 02:42:55,433 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 02:42:55,438 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 02:42:55,439 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:42:55" (1/1) ... [2024-11-14 02:42:55,440 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51ddbaf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:55, skipping insertion in model container [2024-11-14 02:42:55,442 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:42:55" (1/1) ... [2024-11-14 02:42:55,512 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 02:42:56,463 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:42:56,484 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 02:42:56,662 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:42:56,819 INFO L204 MainTranslator]: Completed translation [2024-11-14 02:42:56,820 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:56 WrapperNode [2024-11-14 02:42:56,820 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 02:42:56,821 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 02:42:56,822 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 02:42:56,822 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 02:42:56,828 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:56" (1/1) ... [2024-11-14 02:42:56,859 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:56" (1/1) ... [2024-11-14 02:42:56,885 INFO L138 Inliner]: procedures = 503, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 48 [2024-11-14 02:42:56,886 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 02:42:56,887 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 02:42:56,887 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 02:42:56,888 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 02:42:56,897 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:56" (1/1) ... [2024-11-14 02:42:56,897 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:56" (1/1) ... [2024-11-14 02:42:56,905 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:56" (1/1) ... [2024-11-14 02:42:56,906 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:56" (1/1) ... [2024-11-14 02:42:56,922 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:56" (1/1) ... [2024-11-14 02:42:56,926 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:56" (1/1) ... [2024-11-14 02:42:56,928 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:56" (1/1) ... [2024-11-14 02:42:56,934 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:56" (1/1) ... [2024-11-14 02:42:56,937 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 02:42:56,941 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 02:42:56,942 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 02:42:56,942 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 02:42:56,943 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:56" (1/1) ... [2024-11-14 02:42:56,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:42:56,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055a5adf-2296-4edf-ae0b-305b1de39410/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:42:56,988 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055a5adf-2296-4edf-ae0b-305b1de39410/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 02:42:56,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055a5adf-2296-4edf-ae0b-305b1de39410/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 02:42:57,023 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-14 02:42:57,023 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-14 02:42:57,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 02:42:57,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 02:42:57,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 02:42:57,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 02:42:57,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-14 02:42:57,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 02:42:57,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-14 02:42:57,243 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 02:42:57,245 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 02:42:57,495 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-14 02:42:57,496 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 02:42:57,509 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 02:42:57,510 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-14 02:42:57,510 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:42:57 BoogieIcfgContainer [2024-11-14 02:42:57,511 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 02:42:57,513 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 02:42:57,513 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 02:42:57,520 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 02:42:57,520 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 02:42:55" (1/3) ... [2024-11-14 02:42:57,521 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17e76393 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:42:57, skipping insertion in model container [2024-11-14 02:42:57,521 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:56" (2/3) ... [2024-11-14 02:42:57,521 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17e76393 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:42:57, skipping insertion in model container [2024-11-14 02:42:57,521 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:42:57" (3/3) ... [2024-11-14 02:42:57,523 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_postdec_63_bad.i [2024-11-14 02:42:57,545 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 02:42:57,547 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_min_postdec_63_bad.i that has 2 procedures, 20 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-14 02:42:57,637 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 02:42:57,653 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;@d734b45, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 02:42:57,653 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-14 02:42:57,659 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 16 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 02:42:57,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-14 02:42:57,668 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:42:57,669 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:42:57,669 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-14 02:42:57,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:42:57,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1855260787, now seen corresponding path program 1 times [2024-11-14 02:42:57,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:42:57,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1938795073] [2024-11-14 02:42:57,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:57,702 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 02:42:57,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055a5adf-2296-4edf-ae0b-305b1de39410/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:42:57,706 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055a5adf-2296-4edf-ae0b-305b1de39410/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 02:42:57,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055a5adf-2296-4edf-ae0b-305b1de39410/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-14 02:42:57,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 02:42:57,894 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 02:42:57,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 02:42:58,000 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2024-11-14 02:42:58,002 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 02:42:58,004 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-14 02:42:58,007 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-14 02:42:58,014 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055a5adf-2296-4edf-ae0b-305b1de39410/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-14 02:42:58,208 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055a5adf-2296-4edf-ae0b-305b1de39410/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 02:42:58,211 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 02:42:58,233 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 02:42:58,236 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 02:42:58 BoogieIcfgContainer [2024-11-14 02:42:58,236 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 02:42:58,237 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 02:42:58,237 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 02:42:58,237 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 02:42:58,239 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:42:57" (3/4) ... [2024-11-14 02:42:58,242 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 02:42:58,243 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 02:42:58,247 INFO L158 Benchmark]: Toolchain (without parser) took 2814.81ms. Allocated memory is still 83.9MB. Free memory was 57.4MB in the beginning and 43.3MB in the end (delta: 14.0MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2024-11-14 02:42:58,247 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory was 64.5MB in the beginning and 64.4MB in the end (delta: 34.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:42:58,248 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1388.46ms. Allocated memory is still 83.9MB. Free memory was 57.4MB in the beginning and 53.4MB in the end (delta: 3.9MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. [2024-11-14 02:42:58,248 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.41ms. Allocated memory is still 83.9MB. Free memory was 53.4MB in the beginning and 50.7MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:42:58,249 INFO L158 Benchmark]: Boogie Preprocessor took 53.62ms. Allocated memory is still 83.9MB. Free memory was 50.7MB in the beginning and 49.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:42:58,250 INFO L158 Benchmark]: RCFGBuilder took 569.12ms. Allocated memory is still 83.9MB. Free memory was 49.2MB in the beginning and 36.1MB in the end (delta: 13.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 02:42:58,250 INFO L158 Benchmark]: TraceAbstraction took 723.75ms. Allocated memory is still 83.9MB. Free memory was 35.7MB in the beginning and 43.3MB in the end (delta: -7.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:42:58,252 INFO L158 Benchmark]: Witness Printer took 6.30ms. Allocated memory is still 83.9MB. Free memory was 43.3MB in the beginning and 43.3MB in the end (delta: 6.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:42:58,254 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory was 64.5MB in the beginning and 64.4MB in the end (delta: 34.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1388.46ms. Allocated memory is still 83.9MB. Free memory was 57.4MB in the beginning and 53.4MB in the end (delta: 3.9MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.41ms. Allocated memory is still 83.9MB. Free memory was 53.4MB in the beginning and 50.7MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 53.62ms. Allocated memory is still 83.9MB. Free memory was 50.7MB in the beginning and 49.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 569.12ms. Allocated memory is still 83.9MB. Free memory was 49.2MB in the beginning and 36.1MB in the end (delta: 13.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 723.75ms. Allocated memory is still 83.9MB. Free memory was 35.7MB in the beginning and 43.3MB in the end (delta: -7.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.30ms. Allocated memory is still 83.9MB. Free memory was 43.3MB in the beginning and 43.3MB in the end (delta: 6.5kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1552]: 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 1568. 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] [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_min_postdec_63_bad() [L1560] int data; [L1561] data = 0 [L1562] data = (-0x7fffffff - 1) [L1563] CALL CWE191_Integer_Underflow__int_min_postdec_63b_badSink(&data) [L1550] EXPR \read(*dataPtr) [L1550] int data = *dataPtr; [L1552] 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: 1552]: 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: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-14 02:42:58,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055a5adf-2296-4edf-ae0b-305b1de39410/bin/utaipan-verify-sOmjnqqW8E/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample