./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_01_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_0a482c8d-697e-48d5-9d96-ebb0f227fe91/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a482c8d-697e-48d5-9d96-ebb0f227fe91/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_0a482c8d-697e-48d5-9d96-ebb0f227fe91/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a482c8d-697e-48d5-9d96-ebb0f227fe91/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_01_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a482c8d-697e-48d5-9d96-ebb0f227fe91/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_0a482c8d-697e-48d5-9d96-ebb0f227fe91/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 9ceab76d3ba3045083c114e93ec872615c0ac1ff28447b838c4b15f8494678e6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:59:47,397 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:59:47,499 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a482c8d-697e-48d5-9d96-ebb0f227fe91/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-64bit-Taipan_Default.epf [2024-11-14 03:59:47,505 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:59:47,505 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:59:47,535 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:59:47,537 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:59:47,537 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:59:47,538 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:59:47,538 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:59:47,538 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:59:47,538 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:59:47,538 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:59:47,538 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 03:59:47,539 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:59:47,539 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:59:47,539 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 03:59:47,539 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 03:59:47,539 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:59:47,539 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 03:59:47,539 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 03:59:47,539 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 03:59:47,540 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:59:47,540 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:59:47,540 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 03:59:47,540 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:59:47,540 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:59:47,540 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:59:47,540 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:59:47,543 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:59:47,543 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-14 03:59:47,543 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 03:59:47,543 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:59:47,544 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:59:47,544 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:59:47,544 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:59:47,545 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:59:47,545 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:59:47,545 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:59:47,545 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:59:47,545 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:59:47,545 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 03:59:47,545 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 03:59:47,546 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:59:47,546 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:59:47,546 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 03:59:47,546 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_0a482c8d-697e-48d5-9d96-ebb0f227fe91/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 -> 9ceab76d3ba3045083c114e93ec872615c0ac1ff28447b838c4b15f8494678e6 [2024-11-14 03:59:47,936 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:59:47,950 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:59:47,953 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:59:47,955 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:59:47,955 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:59:47,958 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a482c8d-697e-48d5-9d96-ebb0f227fe91/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_01_bad.i Unable to find full path for "g++" [2024-11-14 03:59:50,068 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:59:50,459 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:59:50,460 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a482c8d-697e-48d5-9d96-ebb0f227fe91/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_01_bad.i [2024-11-14 03:59:50,505 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a482c8d-697e-48d5-9d96-ebb0f227fe91/bin/utaipan-verify-sOmjnqqW8E/data/2a5a2fc6b/3dca71c5c35d487fa96abf9d81acbc93/FLAG80d477a12 [2024-11-14 03:59:50,528 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a482c8d-697e-48d5-9d96-ebb0f227fe91/bin/utaipan-verify-sOmjnqqW8E/data/2a5a2fc6b/3dca71c5c35d487fa96abf9d81acbc93 [2024-11-14 03:59:50,531 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:59:50,533 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:59:50,537 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:59:50,538 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:59:50,546 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:59:50,547 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:59:50" (1/1) ... [2024-11-14 03:59:50,548 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6286514d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:59:50, skipping insertion in model container [2024-11-14 03:59:50,548 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:59:50" (1/1) ... [2024-11-14 03:59:50,616 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:59:51,797 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:59:51,808 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:59:51,941 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:59:52,085 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:59:52,087 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:59:52 WrapperNode [2024-11-14 03:59:52,087 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:59:52,089 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:59:52,090 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:59:52,090 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:59:52,097 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:59:52" (1/1) ... [2024-11-14 03:59:52,123 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:59:52" (1/1) ... [2024-11-14 03:59:52,145 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 41 [2024-11-14 03:59:52,146 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:59:52,146 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:59:52,146 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:59:52,147 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:59:52,155 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:59:52" (1/1) ... [2024-11-14 03:59:52,155 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:59:52" (1/1) ... [2024-11-14 03:59:52,158 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:59:52" (1/1) ... [2024-11-14 03:59:52,158 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:59:52" (1/1) ... [2024-11-14 03:59:52,163 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:59:52" (1/1) ... [2024-11-14 03:59:52,165 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:59:52" (1/1) ... [2024-11-14 03:59:52,166 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:59:52" (1/1) ... [2024-11-14 03:59:52,167 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:59:52" (1/1) ... [2024-11-14 03:59:52,169 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:59:52,170 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:59:52,170 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:59:52,170 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:59:52,171 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:59:52" (1/1) ... [2024-11-14 03:59:52,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:59:52,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a482c8d-697e-48d5-9d96-ebb0f227fe91/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:59:52,207 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a482c8d-697e-48d5-9d96-ebb0f227fe91/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:59:52,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a482c8d-697e-48d5-9d96-ebb0f227fe91/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:59:52,242 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-14 03:59:52,242 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-14 03:59:52,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:59:52,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:59:52,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:59:52,403 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:59:52,405 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:59:52,503 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-14 03:59:52,503 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:59:52,550 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:59:52,551 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-14 03:59:52,551 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:59:52 BoogieIcfgContainer [2024-11-14 03:59:52,551 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:59:52,556 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:59:52,556 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:59:52,562 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:59:52,562 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:59:50" (1/3) ... [2024-11-14 03:59:52,563 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2523d2ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:59:52, skipping insertion in model container [2024-11-14 03:59:52,563 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:59:52" (2/3) ... [2024-11-14 03:59:52,564 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2523d2ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:59:52, skipping insertion in model container [2024-11-14 03:59:52,564 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:59:52" (3/3) ... [2024-11-14 03:59:52,567 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_postinc_01_bad.i [2024-11-14 03:59:52,583 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:59:52,585 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_max_postinc_01_bad.i that has 2 procedures, 12 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-14 03:59:52,655 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:59:52,676 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;@5c09fb2e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:59:52,677 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-14 03:59:52,682 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 8 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 03:59:52,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-14 03:59:52,690 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:59:52,691 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-14 03:59:52,691 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-14 03:59:52,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:59:52,700 INFO L85 PathProgramCache]: Analyzing trace with hash 1771518356, now seen corresponding path program 1 times [2024-11-14 03:59:52,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:59:52,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141823695] [2024-11-14 03:59:52,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:59:52,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:59:52,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:59:53,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:59:53,038 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:59:53,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141823695] [2024-11-14 03:59:53,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141823695] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:59:53,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:59:53,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 03:59:53,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914790147] [2024-11-14 03:59:53,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:59:53,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 03:59:53,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:59:53,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 03:59:53,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 03:59:53,085 INFO L87 Difference]: Start difference. First operand has 12 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 8 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-14 03:59:53,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:59:53,134 INFO L93 Difference]: Finished difference Result 14 states and 13 transitions. [2024-11-14 03:59:53,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 03:59:53,140 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 6 [2024-11-14 03:59:53,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:59:53,150 INFO L225 Difference]: With dead ends: 14 [2024-11-14 03:59:53,150 INFO L226 Difference]: Without dead ends: 8 [2024-11-14 03:59:53,153 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 03:59:53,156 INFO L432 NwaCegarLoop]: 3 mSDtfsCounter, 1 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 03:59:53,157 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 5 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 03:59:53,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2024-11-14 03:59:53,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2024-11-14 03:59:53,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 5 states have (on average 1.0) internal successors, (5), 5 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-14 03:59:53,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2024-11-14 03:59:53,186 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 6 [2024-11-14 03:59:53,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:59:53,187 INFO L471 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2024-11-14 03:59:53,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-14 03:59:53,187 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2024-11-14 03:59:53,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-14 03:59:53,188 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:59:53,188 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:59:53,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 03:59:53,188 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-14 03:59:53,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:59:53,189 INFO L85 PathProgramCache]: Analyzing trace with hash -917505766, now seen corresponding path program 1 times [2024-11-14 03:59:53,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:59:53,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781017917] [2024-11-14 03:59:53,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:59:53,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:59:53,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:59:53,210 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 03:59:53,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:59:53,248 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 03:59:53,248 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 03:59:53,250 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-14 03:59:53,252 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-14 03:59:53,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 03:59:53,256 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-14 03:59:53,286 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 03:59:53,293 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 03:59:53 BoogieIcfgContainer [2024-11-14 03:59:53,293 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 03:59:53,294 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 03:59:53,294 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 03:59:53,294 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 03:59:53,297 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:59:52" (3/4) ... [2024-11-14 03:59:53,300 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 03:59:53,302 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 03:59:53,304 INFO L158 Benchmark]: Toolchain (without parser) took 2769.73ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 39.6MB in the end (delta: 50.0MB). Peak memory consumption was 49.5MB. Max. memory is 16.1GB. [2024-11-14 03:59:53,305 INFO L158 Benchmark]: CDTParser took 1.92ms. Allocated memory is still 117.4MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:59:53,306 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1552.01ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 81.9MB in the end (delta: 7.4MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2024-11-14 03:59:53,306 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.48ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 79.1MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 03:59:53,306 INFO L158 Benchmark]: Boogie Preprocessor took 23.06ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 78.6MB in the end (delta: 530.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:59:53,307 INFO L158 Benchmark]: RCFGBuilder took 381.20ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 65.8MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 03:59:53,307 INFO L158 Benchmark]: TraceAbstraction took 736.92ms. Allocated memory is still 117.4MB. Free memory was 65.2MB in the beginning and 39.6MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-14 03:59:53,307 INFO L158 Benchmark]: Witness Printer took 8.17ms. Allocated memory is still 117.4MB. Free memory is still 39.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:59:53,313 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.92ms. Allocated memory is still 117.4MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1552.01ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 81.9MB in the end (delta: 7.4MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.48ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 79.1MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.06ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 78.6MB in the end (delta: 530.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 381.20ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 65.8MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 736.92ms. Allocated memory is still 117.4MB. Free memory was 65.2MB in the beginning and 39.6MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 8.17ms. Allocated memory is still 117.4MB. Free memory is still 39.6MB. 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: 1554]: 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 1562. 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); [L1562] 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) [L1562] 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] [L1563] CALL CWE190_Integer_Overflow__int_max_postinc_01_bad() [L1550] int data; [L1551] data = 0 [L1552] data = 0x7fffffff [L1554] 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: 1554]: 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: 0.6s, 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, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 3 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-14 03:59:53,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a482c8d-697e-48d5-9d96-ebb0f227fe91/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_0a482c8d-697e-48d5-9d96-ebb0f227fe91/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a482c8d-697e-48d5-9d96-ebb0f227fe91/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_0a482c8d-697e-48d5-9d96-ebb0f227fe91/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a482c8d-697e-48d5-9d96-ebb0f227fe91/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_01_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a482c8d-697e-48d5-9d96-ebb0f227fe91/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_0a482c8d-697e-48d5-9d96-ebb0f227fe91/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 9ceab76d3ba3045083c114e93ec872615c0ac1ff28447b838c4b15f8494678e6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:59:56,313 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:59:56,410 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a482c8d-697e-48d5-9d96-ebb0f227fe91/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2024-11-14 03:59:56,416 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:59:56,416 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:59:56,471 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:59:56,472 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:59:56,472 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:59:56,472 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:59:56,472 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:59:56,473 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:59:56,473 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:59:56,474 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:59:56,474 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:59:56,475 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:59:56,475 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:59:56,476 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:59:56,476 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:59:56,477 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:59:56,477 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:59:56,477 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:59:56,477 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:59:56,477 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 03:59:56,477 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 03:59:56,478 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:59:56,478 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-14 03:59:56,478 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 03:59:56,478 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 03:59:56,478 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:59:56,478 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:59:56,479 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:59:56,479 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 03:59:56,479 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:59:56,479 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:59:56,480 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:59:56,480 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:59:56,481 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:59:56,481 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:59:56,481 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 03:59:56,481 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 03:59:56,481 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:59:56,482 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:59:56,482 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_0a482c8d-697e-48d5-9d96-ebb0f227fe91/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 -> 9ceab76d3ba3045083c114e93ec872615c0ac1ff28447b838c4b15f8494678e6 [2024-11-14 03:59:56,825 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:59:56,840 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:59:56,845 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:59:56,847 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:59:56,847 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:59:56,848 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a482c8d-697e-48d5-9d96-ebb0f227fe91/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_01_bad.i Unable to find full path for "g++" [2024-11-14 03:59:59,072 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:59:59,591 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:59:59,592 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a482c8d-697e-48d5-9d96-ebb0f227fe91/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_01_bad.i [2024-11-14 03:59:59,634 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a482c8d-697e-48d5-9d96-ebb0f227fe91/bin/utaipan-verify-sOmjnqqW8E/data/86088d8a0/87b6ebb32c134cd5b583cf3cc187431b/FLAGa384f176b [2024-11-14 03:59:59,675 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a482c8d-697e-48d5-9d96-ebb0f227fe91/bin/utaipan-verify-sOmjnqqW8E/data/86088d8a0/87b6ebb32c134cd5b583cf3cc187431b [2024-11-14 03:59:59,678 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:59:59,680 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:59:59,683 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:59:59,683 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:59:59,689 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:59:59,691 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:59:59" (1/1) ... [2024-11-14 03:59:59,695 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ba98aa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:59:59, skipping insertion in model container [2024-11-14 03:59:59,695 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:59:59" (1/1) ... [2024-11-14 03:59:59,771 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:00:01,060 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:00:01,074 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:00:01,196 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:00:01,372 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:00:01,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:00:01 WrapperNode [2024-11-14 04:00:01,374 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:00:01,375 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:00:01,375 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:00:01,376 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:00:01,386 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:00:01" (1/1) ... [2024-11-14 04:00:01,415 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:00:01" (1/1) ... [2024-11-14 04:00:01,436 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 41 [2024-11-14 04:00:01,437 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:00:01,437 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:00:01,437 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:00:01,438 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:00:01,446 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:00:01" (1/1) ... [2024-11-14 04:00:01,446 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:00:01" (1/1) ... [2024-11-14 04:00:01,449 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:00:01" (1/1) ... [2024-11-14 04:00:01,450 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:00:01" (1/1) ... [2024-11-14 04:00:01,458 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:00:01" (1/1) ... [2024-11-14 04:00:01,460 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:00:01" (1/1) ... [2024-11-14 04:00:01,462 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:00:01" (1/1) ... [2024-11-14 04:00:01,464 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:00:01" (1/1) ... [2024-11-14 04:00:01,467 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:00:01,468 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:00:01,468 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:00:01,468 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:00:01,469 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:00:01" (1/1) ... [2024-11-14 04:00:01,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:00:01,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a482c8d-697e-48d5-9d96-ebb0f227fe91/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:00:01,503 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a482c8d-697e-48d5-9d96-ebb0f227fe91/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:00:01,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a482c8d-697e-48d5-9d96-ebb0f227fe91/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:00:01,530 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-14 04:00:01,530 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-14 04:00:01,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:00:01,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:00:01,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:00:01,723 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:00:01,727 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:00:01,887 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-14 04:00:01,887 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:00:01,900 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:00:01,900 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-14 04:00:01,901 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:00:01 BoogieIcfgContainer [2024-11-14 04:00:01,901 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:00:01,904 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:00:01,904 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:00:01,910 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:00:01,910 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:59:59" (1/3) ... [2024-11-14 04:00:01,911 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@414348ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:00:01, skipping insertion in model container [2024-11-14 04:00:01,911 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:00:01" (2/3) ... [2024-11-14 04:00:01,911 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@414348ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:00:01, skipping insertion in model container [2024-11-14 04:00:01,911 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:00:01" (3/3) ... [2024-11-14 04:00:01,913 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_postinc_01_bad.i [2024-11-14 04:00:01,931 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:00:01,932 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_max_postinc_01_bad.i that has 2 procedures, 19 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-14 04:00:02,006 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:00:02,023 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;@6679b394, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:00:02,023 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-14 04:00:02,029 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 15 states have internal predecessors, (16), 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 04:00:02,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-14 04:00:02,038 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:00:02,039 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:00:02,039 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-14 04:00:02,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:00:02,045 INFO L85 PathProgramCache]: Analyzing trace with hash 80251503, now seen corresponding path program 1 times [2024-11-14 04:00:02,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:00:02,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [835122047] [2024-11-14 04:00:02,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:00:02,060 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 04:00:02,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a482c8d-697e-48d5-9d96-ebb0f227fe91/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:00:02,063 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a482c8d-697e-48d5-9d96-ebb0f227fe91/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 04:00:02,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a482c8d-697e-48d5-9d96-ebb0f227fe91/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 04:00:02,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:00:02,174 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 04:00:02,178 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:00:02,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:00:02,201 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:00:02,202 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:00:02,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [835122047] [2024-11-14 04:00:02,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [835122047] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:00:02,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:00:02,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-14 04:00:02,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425219286] [2024-11-14 04:00:02,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:00:02,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 04:00:02,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:00:02,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 04:00:02,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 04:00:02,237 INFO L87 Difference]: Start difference. First operand has 19 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 15 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 1 states have (on average 7.0) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-14 04:00:02,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:00:02,302 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2024-11-14 04:00:02,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:00:02,305 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 7.0) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9 [2024-11-14 04:00:02,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:00:02,312 INFO L225 Difference]: With dead ends: 19 [2024-11-14 04:00:02,312 INFO L226 Difference]: Without dead ends: 11 [2024-11-14 04:00:02,317 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 04:00:02,321 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 04:00:02,324 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 04:00:02,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2024-11-14 04:00:02,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2024-11-14 04:00:02,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-14 04:00:02,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-11-14 04:00:02,366 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 9 [2024-11-14 04:00:02,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:00:02,369 INFO L471 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2024-11-14 04:00:02,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 7.0) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-14 04:00:02,369 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-11-14 04:00:02,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-14 04:00:02,371 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:00:02,371 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:00:02,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a482c8d-697e-48d5-9d96-ebb0f227fe91/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 04:00:02,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a482c8d-697e-48d5-9d96-ebb0f227fe91/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 04:00:02,573 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-14 04:00:02,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:00:02,574 INFO L85 PathProgramCache]: Analyzing trace with hash -1807170657, now seen corresponding path program 1 times [2024-11-14 04:00:02,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:00:02,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [938850806] [2024-11-14 04:00:02,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:00:02,578 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 04:00:02,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a482c8d-697e-48d5-9d96-ebb0f227fe91/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:00:02,580 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a482c8d-697e-48d5-9d96-ebb0f227fe91/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 04:00:02,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a482c8d-697e-48d5-9d96-ebb0f227fe91/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-14 04:00:02,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:00:02,697 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 04:00:02,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:00:02,765 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2024-11-14 04:00:02,765 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 04:00:02,770 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-14 04:00:02,773 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-14 04:00:02,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a482c8d-697e-48d5-9d96-ebb0f227fe91/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-14 04:00:02,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a482c8d-697e-48d5-9d96-ebb0f227fe91/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 04:00:02,977 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-14 04:00:03,007 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 04:00:03,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:00:03 BoogieIcfgContainer [2024-11-14 04:00:03,011 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 04:00:03,012 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 04:00:03,012 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 04:00:03,012 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 04:00:03,013 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:00:01" (3/4) ... [2024-11-14 04:00:03,015 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 04:00:03,015 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 04:00:03,016 INFO L158 Benchmark]: Toolchain (without parser) took 3336.55ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 77.0MB in the end (delta: 11.8MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2024-11-14 04:00:03,017 INFO L158 Benchmark]: CDTParser took 3.43ms. Allocated memory is still 117.4MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:00:03,017 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1691.38ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 66.2MB in the end (delta: 22.6MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. [2024-11-14 04:00:03,017 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.76ms. Allocated memory is still 117.4MB. Free memory was 66.2MB in the beginning and 63.8MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:00:03,018 INFO L158 Benchmark]: Boogie Preprocessor took 29.65ms. Allocated memory is still 117.4MB. Free memory was 63.8MB in the beginning and 62.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:00:03,018 INFO L158 Benchmark]: RCFGBuilder took 433.40ms. Allocated memory is still 117.4MB. Free memory was 62.3MB in the beginning and 50.3MB in the end (delta: 12.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 04:00:03,018 INFO L158 Benchmark]: TraceAbstraction took 1106.87ms. Allocated memory is still 117.4MB. Free memory was 49.8MB in the beginning and 77.7MB in the end (delta: -27.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:00:03,019 INFO L158 Benchmark]: Witness Printer took 3.81ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 77.0MB in the end (delta: 35.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:00:03,021 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.43ms. Allocated memory is still 117.4MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1691.38ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 66.2MB in the end (delta: 22.6MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.76ms. Allocated memory is still 117.4MB. Free memory was 66.2MB in the beginning and 63.8MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.65ms. Allocated memory is still 117.4MB. Free memory was 63.8MB in the beginning and 62.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 433.40ms. Allocated memory is still 117.4MB. Free memory was 62.3MB in the beginning and 50.3MB in the end (delta: 12.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1106.87ms. Allocated memory is still 117.4MB. Free memory was 49.8MB in the beginning and 77.7MB in the end (delta: -27.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.81ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 77.0MB in the end (delta: 35.5kB). 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: 1554]: 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 1562. 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] [L1562] 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) [L1562] 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] [L1563] CALL CWE190_Integer_Overflow__int_max_postinc_01_bad() [L1550] int data; [L1551] data = 0 [L1552] data = 0x7fffffff [L1554] 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: 1554]: 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, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 19 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 36 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-14 04:00:03,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a482c8d-697e-48d5-9d96-ebb0f227fe91/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample