./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_45_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd331315-3945-401b-b119-804dc04ae225/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd331315-3945-401b-b119-804dc04ae225/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd331315-3945-401b-b119-804dc04ae225/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd331315-3945-401b-b119-804dc04ae225/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_45_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd331315-3945-401b-b119-804dc04ae225/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd331315-3945-401b-b119-804dc04ae225/bin/utaipan-verify-DbMuA5NWw2 --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 2cad3ac4ba7f874173a989f439cb2f73a3ad96553df936d0cdc36a390f248e7a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:32:31,675 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:32:31,779 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd331315-3945-401b-b119-804dc04ae225/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Overflow-64bit-Taipan_Default.epf [2024-11-02 12:32:31,787 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:32:31,788 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:32:31,821 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:32:31,822 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:32:31,822 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:32:31,823 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:32:31,824 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:32:31,825 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:32:31,825 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:32:31,826 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:32:31,828 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:32:31,829 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:32:31,829 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:32:31,830 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:32:31,830 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:32:31,830 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:32:31,831 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:32:31,831 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:32:31,833 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:32:31,836 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:32:31,837 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:32:31,837 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:32:31,837 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:32:31,838 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:32:31,838 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:32:31,838 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:32:31,839 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:32:31,839 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-02 12:32:31,839 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-02 12:32:31,842 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:32:31,843 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:32:31,843 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:32:31,843 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:32:31,844 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:32:31,844 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:32:31,844 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:32:31,845 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:32:31,845 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:32:31,846 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:32:31,846 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:32:31,846 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:32:31,847 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:32:31,848 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:32:31,848 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd331315-3945-401b-b119-804dc04ae225/bin/utaipan-verify-DbMuA5NWw2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd331315-3945-401b-b119-804dc04ae225/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2cad3ac4ba7f874173a989f439cb2f73a3ad96553df936d0cdc36a390f248e7a [2024-11-02 12:32:32,212 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:32:32,242 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:32:32,245 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:32:32,247 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:32:32,250 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:32:32,251 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd331315-3945-401b-b119-804dc04ae225/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_45_bad.i Unable to find full path for "g++" [2024-11-02 12:32:34,635 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:32:35,015 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:32:35,016 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd331315-3945-401b-b119-804dc04ae225/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_45_bad.i [2024-11-02 12:32:35,040 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd331315-3945-401b-b119-804dc04ae225/bin/utaipan-verify-DbMuA5NWw2/data/f120ae824/435c514650f942c8a5a575504fb73506/FLAG8ace5ec13 [2024-11-02 12:32:35,057 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd331315-3945-401b-b119-804dc04ae225/bin/utaipan-verify-DbMuA5NWw2/data/f120ae824/435c514650f942c8a5a575504fb73506 [2024-11-02 12:32:35,061 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:32:35,063 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:32:35,066 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:32:35,067 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:32:35,073 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:32:35,074 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:32:35" (1/1) ... [2024-11-02 12:32:35,077 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15728caa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:35, skipping insertion in model container [2024-11-02 12:32:35,077 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:32:35" (1/1) ... [2024-11-02 12:32:35,151 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:32:36,209 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:32:36,220 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:32:36,311 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:32:36,485 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:32:36,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:36 WrapperNode [2024-11-02 12:32:36,487 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:32:36,488 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:32:36,488 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:32:36,488 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:32:36,496 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:36" (1/1) ... [2024-11-02 12:32:36,528 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:36" (1/1) ... [2024-11-02 12:32:36,565 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 47 [2024-11-02 12:32:36,567 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:32:36,568 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:32:36,568 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:32:36,568 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:32:36,581 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:36" (1/1) ... [2024-11-02 12:32:36,582 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:36" (1/1) ... [2024-11-02 12:32:36,585 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:36" (1/1) ... [2024-11-02 12:32:36,589 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:36" (1/1) ... [2024-11-02 12:32:36,595 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:36" (1/1) ... [2024-11-02 12:32:36,600 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:36" (1/1) ... [2024-11-02 12:32:36,602 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:36" (1/1) ... [2024-11-02 12:32:36,604 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:36" (1/1) ... [2024-11-02 12:32:36,607 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:32:36,608 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:32:36,608 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:32:36,608 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:32:36,609 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:36" (1/1) ... [2024-11-02 12:32:36,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:32:36,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd331315-3945-401b-b119-804dc04ae225/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:32:36,649 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd331315-3945-401b-b119-804dc04ae225/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:32:36,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd331315-3945-401b-b119-804dc04ae225/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:32:36,679 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-02 12:32:36,679 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-02 12:32:36,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:32:36,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:32:36,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:32:36,826 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:32:36,828 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:32:36,949 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-02 12:32:36,950 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:32:37,015 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:32:37,015 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-02 12:32:37,016 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:32:37 BoogieIcfgContainer [2024-11-02 12:32:37,016 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:32:37,019 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:32:37,020 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:32:37,024 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:32:37,024 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:32:35" (1/3) ... [2024-11-02 12:32:37,025 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7394982b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:32:37, skipping insertion in model container [2024-11-02 12:32:37,026 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:36" (2/3) ... [2024-11-02 12:32:37,026 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7394982b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:32:37, skipping insertion in model container [2024-11-02 12:32:37,026 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:32:37" (3/3) ... [2024-11-02 12:32:37,028 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_postinc_45_bad.i [2024-11-02 12:32:37,053 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:32:37,053 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-02 12:32:37,123 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:32:37,129 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;@52f8d31, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:32:37,130 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-02 12:32:37,134 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) [2024-11-02 12:32:37,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-02 12:32:37,145 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:32:37,145 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-02 12:32:37,146 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-02 12:32:37,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:32:37,154 INFO L85 PathProgramCache]: Analyzing trace with hash 1830714995, now seen corresponding path program 1 times [2024-11-02 12:32:37,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:32:37,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065009896] [2024-11-02 12:32:37,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:32:37,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:32:37,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:32:37,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:32:37,467 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:32:37,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065009896] [2024-11-02 12:32:37,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065009896] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:32:37,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:32:37,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:32:37,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775891530] [2024-11-02 12:32:37,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:32:37,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 12:32:37,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:32:37,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 12:32:37,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:32:37,507 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) [2024-11-02 12:32:37,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:32:37,539 INFO L93 Difference]: Finished difference Result 14 states and 13 transitions. [2024-11-02 12:32:37,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 12:32:37,541 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 6 [2024-11-02 12:32:37,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:32:37,554 INFO L225 Difference]: With dead ends: 14 [2024-11-02 12:32:37,554 INFO L226 Difference]: Without dead ends: 8 [2024-11-02 12:32:37,571 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 [2024-11-02 12:32:37,575 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 [2024-11-02 12:32:37,577 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] [2024-11-02 12:32:37,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2024-11-02 12:32:37,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2024-11-02 12:32:37,612 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) [2024-11-02 12:32:37,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2024-11-02 12:32:37,614 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 6 [2024-11-02 12:32:37,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:32:37,615 INFO L471 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2024-11-02 12:32:37,616 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) [2024-11-02 12:32:37,616 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2024-11-02 12:32:37,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-02 12:32:37,617 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:32:37,617 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:32:37,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-02 12:32:37,618 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-02 12:32:37,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:32:37,619 INFO L85 PathProgramCache]: Analyzing trace with hash 917590043, now seen corresponding path program 1 times [2024-11-02 12:32:37,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:32:37,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698793853] [2024-11-02 12:32:37,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:32:37,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:32:37,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:32:37,653 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 12:32:37,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:32:37,705 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-02 12:32:37,705 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 12:32:37,707 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-02 12:32:37,711 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-02 12:32:37,711 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-02 12:32:37,717 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-02 12:32:37,743 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 12:32:37,748 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:32:37 BoogieIcfgContainer [2024-11-02 12:32:37,748 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 12:32:37,749 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 12:32:37,749 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 12:32:37,749 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 12:32:37,750 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:32:37" (3/4) ... [2024-11-02 12:32:37,752 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 12:32:37,753 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 12:32:37,754 INFO L158 Benchmark]: Toolchain (without parser) took 2691.45ms. Allocated memory was 140.5MB in the beginning and 180.4MB in the end (delta: 39.8MB). Free memory was 101.8MB in the beginning and 140.0MB in the end (delta: -38.3MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2024-11-02 12:32:37,755 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 140.5MB. Free memory is still 91.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:32:37,755 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1420.91ms. Allocated memory is still 140.5MB. Free memory was 101.4MB in the beginning and 88.6MB in the end (delta: 12.8MB). Peak memory consumption was 57.6MB. Max. memory is 16.1GB. [2024-11-02 12:32:37,756 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.35ms. Allocated memory is still 140.5MB. Free memory was 88.6MB in the beginning and 86.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:32:37,756 INFO L158 Benchmark]: Boogie Preprocessor took 39.35ms. Allocated memory is still 140.5MB. Free memory was 86.0MB in the beginning and 84.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:32:37,757 INFO L158 Benchmark]: RCFGBuilder took 409.01ms. Allocated memory is still 140.5MB. Free memory was 84.5MB in the beginning and 70.4MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-02 12:32:37,758 INFO L158 Benchmark]: TraceAbstraction took 728.81ms. Allocated memory was 140.5MB in the beginning and 180.4MB in the end (delta: 39.8MB). Free memory was 69.8MB in the beginning and 140.0MB in the end (delta: -70.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:32:37,758 INFO L158 Benchmark]: Witness Printer took 4.84ms. Allocated memory is still 180.4MB. Free memory is still 140.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:32:37,761 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 140.5MB. Free memory is still 91.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1420.91ms. Allocated memory is still 140.5MB. Free memory was 101.4MB in the beginning and 88.6MB in the end (delta: 12.8MB). Peak memory consumption was 57.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.35ms. Allocated memory is still 140.5MB. Free memory was 88.6MB in the beginning and 86.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.35ms. Allocated memory is still 140.5MB. Free memory was 86.0MB in the beginning and 84.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 409.01ms. Allocated memory is still 140.5MB. Free memory was 84.5MB in the beginning and 70.4MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 728.81ms. Allocated memory was 140.5MB in the beginning and 180.4MB in the end (delta: 39.8MB). Free memory was 69.8MB in the beginning and 140.0MB in the end (delta: -70.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.84ms. Allocated memory is still 180.4MB. Free memory is still 140.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1555]: 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 1571. 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); [L1548] static int CWE190_Integer_Overflow__int_max_postinc_45_badData; [L1549] static int CWE190_Integer_Overflow__int_max_postinc_45_goodG2BData; [L1550] static int CWE190_Integer_Overflow__int_max_postinc_45_goodB2GData; [L1571] CALL printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_max_postinc_45_badData=0, CWE190_Integer_Overflow__int_max_postinc_45_goodB2GData=0, CWE190_Integer_Overflow__int_max_postinc_45_goodG2BData=0, 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) [L1571] RET printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_max_postinc_45_badData=0, CWE190_Integer_Overflow__int_max_postinc_45_goodB2GData=0, CWE190_Integer_Overflow__int_max_postinc_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE190_Integer_Overflow__int_max_postinc_45_bad() [L1562] int data; [L1563] data = 0 [L1564] data = 0x7fffffff [L1565] CWE190_Integer_Overflow__int_max_postinc_45_badData = data [L1566] CALL badSink() [L1553] int data = CWE190_Integer_Overflow__int_max_postinc_45_badData; [L1555] data++ VAL [CWE190_Integer_Overflow__int_max_postinc_45_badData=2147483647, CWE190_Integer_Overflow__int_max_postinc_45_goodB2GData=0, CWE190_Integer_Overflow__int_max_postinc_45_goodG2BData=0, 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: 1555]: 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 [2024-11-02 12:32:37,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd331315-3945-401b-b119-804dc04ae225/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd331315-3945-401b-b119-804dc04ae225/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd331315-3945-401b-b119-804dc04ae225/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd331315-3945-401b-b119-804dc04ae225/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd331315-3945-401b-b119-804dc04ae225/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_45_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd331315-3945-401b-b119-804dc04ae225/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd331315-3945-401b-b119-804dc04ae225/bin/utaipan-verify-DbMuA5NWw2 --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 2cad3ac4ba7f874173a989f439cb2f73a3ad96553df936d0cdc36a390f248e7a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:32:40,292 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:32:40,390 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd331315-3945-401b-b119-804dc04ae225/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2024-11-02 12:32:40,401 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:32:40,402 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:32:40,441 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:32:40,442 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:32:40,442 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:32:40,443 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:32:40,444 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:32:40,446 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:32:40,446 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:32:40,447 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:32:40,447 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:32:40,447 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:32:40,447 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:32:40,448 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:32:40,448 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:32:40,449 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:32:40,449 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:32:40,449 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:32:40,453 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:32:40,453 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 12:32:40,454 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 12:32:40,454 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:32:40,454 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-02 12:32:40,454 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 12:32:40,455 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-02 12:32:40,455 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:32:40,455 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:32:40,456 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:32:40,456 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 12:32:40,456 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:32:40,456 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:32:40,457 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:32:40,459 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:32:40,459 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:32:40,459 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:32:40,460 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 12:32:40,461 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 12:32:40,461 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:32:40,461 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:32:40,461 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:32:40,462 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd331315-3945-401b-b119-804dc04ae225/bin/utaipan-verify-DbMuA5NWw2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd331315-3945-401b-b119-804dc04ae225/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2cad3ac4ba7f874173a989f439cb2f73a3ad96553df936d0cdc36a390f248e7a [2024-11-02 12:32:40,893 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:32:40,923 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:32:40,926 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:32:40,927 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:32:40,928 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:32:40,929 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd331315-3945-401b-b119-804dc04ae225/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_45_bad.i Unable to find full path for "g++" [2024-11-02 12:32:42,998 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:32:43,421 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:32:43,421 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd331315-3945-401b-b119-804dc04ae225/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_45_bad.i [2024-11-02 12:32:43,446 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd331315-3945-401b-b119-804dc04ae225/bin/utaipan-verify-DbMuA5NWw2/data/6c304ec40/72070c419d8249ecb350f0c186487fab/FLAG6b6f7d14b [2024-11-02 12:32:43,467 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd331315-3945-401b-b119-804dc04ae225/bin/utaipan-verify-DbMuA5NWw2/data/6c304ec40/72070c419d8249ecb350f0c186487fab [2024-11-02 12:32:43,470 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:32:43,471 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:32:43,473 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:32:43,473 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:32:43,479 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:32:43,479 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:32:43" (1/1) ... [2024-11-02 12:32:43,481 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36b1642e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:43, skipping insertion in model container [2024-11-02 12:32:43,481 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:32:43" (1/1) ... [2024-11-02 12:32:43,565 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:32:44,639 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:32:44,654 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:32:44,817 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:32:44,987 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:32:44,987 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:44 WrapperNode [2024-11-02 12:32:44,988 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:32:44,989 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:32:44,989 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:32:44,989 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:32:44,997 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:44" (1/1) ... [2024-11-02 12:32:45,030 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:44" (1/1) ... [2024-11-02 12:32:45,067 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 47 [2024-11-02 12:32:45,068 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:32:45,069 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:32:45,070 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:32:45,070 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:32:45,080 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:44" (1/1) ... [2024-11-02 12:32:45,080 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:44" (1/1) ... [2024-11-02 12:32:45,083 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:44" (1/1) ... [2024-11-02 12:32:45,087 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:44" (1/1) ... [2024-11-02 12:32:45,105 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:44" (1/1) ... [2024-11-02 12:32:45,115 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:44" (1/1) ... [2024-11-02 12:32:45,117 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:44" (1/1) ... [2024-11-02 12:32:45,122 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:44" (1/1) ... [2024-11-02 12:32:45,128 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:32:45,129 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:32:45,133 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:32:45,133 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:32:45,134 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:44" (1/1) ... [2024-11-02 12:32:45,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:32:45,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd331315-3945-401b-b119-804dc04ae225/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:32:45,192 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd331315-3945-401b-b119-804dc04ae225/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:32:45,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd331315-3945-401b-b119-804dc04ae225/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:32:45,225 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-02 12:32:45,226 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-02 12:32:45,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:32:45,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:32:45,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:32:45,455 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:32:45,457 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:32:45,653 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-02 12:32:45,653 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:32:45,665 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:32:45,666 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-02 12:32:45,666 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:32:45 BoogieIcfgContainer [2024-11-02 12:32:45,666 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:32:45,669 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:32:45,669 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:32:45,673 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:32:45,673 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:32:43" (1/3) ... [2024-11-02 12:32:45,674 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b8f91f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:32:45, skipping insertion in model container [2024-11-02 12:32:45,674 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:44" (2/3) ... [2024-11-02 12:32:45,675 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b8f91f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:32:45, skipping insertion in model container [2024-11-02 12:32:45,675 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:32:45" (3/3) ... [2024-11-02 12:32:45,676 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_postinc_45_bad.i [2024-11-02 12:32:45,696 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:32:45,696 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-02 12:32:45,769 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:32:45,776 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;@4eba8974, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:32:45,777 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-02 12:32:45,782 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) [2024-11-02 12:32:45,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-02 12:32:45,791 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:32:45,792 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:32:45,792 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-02 12:32:45,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:32:45,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1855260787, now seen corresponding path program 1 times [2024-11-02 12:32:45,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:32:45,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1016970740] [2024-11-02 12:32:45,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:32:45,812 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 [2024-11-02 12:32:45,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd331315-3945-401b-b119-804dc04ae225/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:32:45,815 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd331315-3945-401b-b119-804dc04ae225/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 12:32:45,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd331315-3945-401b-b119-804dc04ae225/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:32:45,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:32:45,928 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-02 12:32:45,932 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:32:45,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:32:45,955 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:32:45,956 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:32:45,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1016970740] [2024-11-02 12:32:45,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1016970740] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:32:45,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:32:45,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-02 12:32:45,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743089950] [2024-11-02 12:32:45,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:32:45,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-02 12:32:45,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:32:45,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-02 12:32:45,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:32:45,996 INFO L87 Difference]: Start difference. First 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) 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) [2024-11-02 12:32:46,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:32:46,018 INFO L93 Difference]: Finished difference Result 20 states and 21 transitions. [2024-11-02 12:32:46,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-02 12:32:46,021 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 [2024-11-02 12:32:46,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:32:46,028 INFO L225 Difference]: With dead ends: 20 [2024-11-02 12:32:46,029 INFO L226 Difference]: Without dead ends: 11 [2024-11-02 12:32:46,032 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 [2024-11-02 12:32:46,039 INFO L432 NwaCegarLoop]: 20 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, 20 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 [2024-11-02 12:32:46,041 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:32:46,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2024-11-02 12:32:46,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2024-11-02 12:32:46,081 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) [2024-11-02 12:32:46,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-11-02 12:32:46,083 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 9 [2024-11-02 12:32:46,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:32:46,084 INFO L471 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2024-11-02 12:32:46,084 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) [2024-11-02 12:32:46,085 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-11-02 12:32:46,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-02 12:32:46,085 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:32:46,086 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:32:46,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd331315-3945-401b-b119-804dc04ae225/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:32:46,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd331315-3945-401b-b119-804dc04ae225/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:32:46,288 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-02 12:32:46,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:32:46,289 INFO L85 PathProgramCache]: Analyzing trace with hash 1678509595, now seen corresponding path program 1 times [2024-11-02 12:32:46,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:32:46,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2044067925] [2024-11-02 12:32:46,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:32:46,291 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 [2024-11-02 12:32:46,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd331315-3945-401b-b119-804dc04ae225/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:32:46,302 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd331315-3945-401b-b119-804dc04ae225/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 12:32:46,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd331315-3945-401b-b119-804dc04ae225/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:32:46,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:32:46,467 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 12:32:46,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:32:46,556 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2024-11-02 12:32:46,556 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 12:32:46,558 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-02 12:32:46,561 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-02 12:32:46,568 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd331315-3945-401b-b119-804dc04ae225/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:32:46,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd331315-3945-401b-b119-804dc04ae225/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:32:46,766 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-02 12:32:46,823 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 12:32:46,828 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:32:46 BoogieIcfgContainer [2024-11-02 12:32:46,835 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 12:32:46,836 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 12:32:46,836 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 12:32:46,836 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 12:32:46,837 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:32:45" (3/4) ... [2024-11-02 12:32:46,840 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 12:32:46,846 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 12:32:46,851 INFO L158 Benchmark]: Toolchain (without parser) took 3379.13ms. Allocated memory was 71.3MB in the beginning and 134.2MB in the end (delta: 62.9MB). Free memory was 44.2MB in the beginning and 99.0MB in the end (delta: -54.8MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2024-11-02 12:32:46,851 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 71.3MB. Free memory was 47.0MB in the beginning and 46.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:32:46,853 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1515.63ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 44.0MB in the beginning and 56.8MB in the end (delta: -12.7MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2024-11-02 12:32:46,858 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.67ms. Allocated memory is still 94.4MB. Free memory was 56.8MB in the beginning and 53.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:32:46,859 INFO L158 Benchmark]: Boogie Preprocessor took 59.67ms. Allocated memory is still 94.4MB. Free memory was 53.4MB in the beginning and 51.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:32:46,859 INFO L158 Benchmark]: RCFGBuilder took 537.17ms. Allocated memory is still 94.4MB. Free memory was 51.7MB in the beginning and 62.3MB in the end (delta: -10.6MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2024-11-02 12:32:46,860 INFO L158 Benchmark]: TraceAbstraction took 1166.52ms. Allocated memory was 94.4MB in the beginning and 134.2MB in the end (delta: 39.8MB). Free memory was 61.7MB in the beginning and 99.6MB in the end (delta: -37.9MB). Peak memory consumption was 968.9kB. Max. memory is 16.1GB. [2024-11-02 12:32:46,861 INFO L158 Benchmark]: Witness Printer took 14.11ms. Allocated memory is still 134.2MB. Free memory was 99.6MB in the beginning and 99.0MB in the end (delta: 634.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:32:46,868 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 71.3MB. Free memory was 47.0MB in the beginning and 46.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1515.63ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 44.0MB in the beginning and 56.8MB in the end (delta: -12.7MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.67ms. Allocated memory is still 94.4MB. Free memory was 56.8MB in the beginning and 53.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.67ms. Allocated memory is still 94.4MB. Free memory was 53.4MB in the beginning and 51.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 537.17ms. Allocated memory is still 94.4MB. Free memory was 51.7MB in the beginning and 62.3MB in the end (delta: -10.6MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1166.52ms. Allocated memory was 94.4MB in the beginning and 134.2MB in the end (delta: 39.8MB). Free memory was 61.7MB in the beginning and 99.6MB in the end (delta: -37.9MB). Peak memory consumption was 968.9kB. Max. memory is 16.1GB. * Witness Printer took 14.11ms. Allocated memory is still 134.2MB. Free memory was 99.6MB in the beginning and 99.0MB in the end (delta: 634.9kB). 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: 1555]: 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 1571. 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); [L1548] static int CWE190_Integer_Overflow__int_max_postinc_45_badData; [L1549] static int CWE190_Integer_Overflow__int_max_postinc_45_goodG2BData; [L1550] static int CWE190_Integer_Overflow__int_max_postinc_45_goodB2GData; VAL [CWE190_Integer_Overflow__int_max_postinc_45_badData=0, CWE190_Integer_Overflow__int_max_postinc_45_goodB2GData=0, CWE190_Integer_Overflow__int_max_postinc_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_max_postinc_45_badData=0, CWE190_Integer_Overflow__int_max_postinc_45_goodB2GData=0, CWE190_Integer_Overflow__int_max_postinc_45_goodG2BData=0, 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) [L1571] RET printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_max_postinc_45_badData=0, CWE190_Integer_Overflow__int_max_postinc_45_goodB2GData=0, CWE190_Integer_Overflow__int_max_postinc_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE190_Integer_Overflow__int_max_postinc_45_bad() [L1562] int data; [L1563] data = 0 [L1564] data = 0x7fffffff [L1565] CWE190_Integer_Overflow__int_max_postinc_45_badData = data [L1566] CALL badSink() [L1553] int data = CWE190_Integer_Overflow__int_max_postinc_45_badData; [L1555] data++ VAL [CWE190_Integer_Overflow__int_max_postinc_45_badData=2147483647, CWE190_Integer_Overflow__int_max_postinc_45_goodB2GData=0, CWE190_Integer_Overflow__int_max_postinc_45_goodG2BData=0, 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: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, 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, 20 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, 20 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=20occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 41 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 [2024-11-02 12:32:46,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd331315-3945-401b-b119-804dc04ae225/bin/utaipan-verify-DbMuA5NWw2/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