./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_61_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 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_40bce520-92d7-48da-87c5-06c27f9c3505/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40bce520-92d7-48da-87c5-06c27f9c3505/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40bce520-92d7-48da-87c5-06c27f9c3505/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40bce520-92d7-48da-87c5-06c27f9c3505/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40bce520-92d7-48da-87c5-06c27f9c3505/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40bce520-92d7-48da-87c5-06c27f9c3505/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 42d5baaf6dbd0221e74a270dcba38280a1a27062102cbce766c0300c1bd865bc --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:26:42,136 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:26:42,238 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40bce520-92d7-48da-87c5-06c27f9c3505/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-64bit-Taipan_Default.epf [2024-11-09 06:26:42,247 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:26:42,250 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:26:42,292 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:26:42,294 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:26:42,295 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:26:42,296 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:26:42,298 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:26:42,300 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:26:42,301 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:26:42,302 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:26:42,302 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:26:42,303 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:26:42,303 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:26:42,303 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:26:42,304 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:26:42,304 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:26:42,305 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:26:42,309 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:26:42,314 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:26:42,315 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:26:42,316 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:26:42,317 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:26:42,317 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:26:42,317 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:26:42,318 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:26:42,318 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:26:42,319 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:26:42,320 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 06:26:42,320 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 06:26:42,321 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:26:42,321 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:26:42,322 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:26:42,322 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:26:42,323 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:26:42,323 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:26:42,323 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:26:42,324 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:26:42,325 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:26:42,325 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:26:42,326 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:26:42,326 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:26:42,326 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:26:42,327 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:26:42,328 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_40bce520-92d7-48da-87c5-06c27f9c3505/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40bce520-92d7-48da-87c5-06c27f9c3505/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 42d5baaf6dbd0221e74a270dcba38280a1a27062102cbce766c0300c1bd865bc [2024-11-09 06:26:42,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:26:42,698 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:26:42,701 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:26:42,703 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:26:42,705 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:26:42,707 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40bce520-92d7-48da-87c5-06c27f9c3505/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_61_bad.i Unable to find full path for "g++" [2024-11-09 06:26:45,503 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:26:45,987 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:26:45,988 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40bce520-92d7-48da-87c5-06c27f9c3505/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_61_bad.i [2024-11-09 06:26:46,032 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40bce520-92d7-48da-87c5-06c27f9c3505/bin/utaipan-verify-YMUCfTKeje/data/1736b9a35/cd25b0d0d8704b0587b946d744a99226/FLAGd264aff85 [2024-11-09 06:26:46,094 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40bce520-92d7-48da-87c5-06c27f9c3505/bin/utaipan-verify-YMUCfTKeje/data/1736b9a35/cd25b0d0d8704b0587b946d744a99226 [2024-11-09 06:26:46,098 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:26:46,103 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:26:46,106 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:26:46,109 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:26:46,120 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:26:46,121 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:26:46" (1/1) ... [2024-11-09 06:26:46,125 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bf5b30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:26:46, skipping insertion in model container [2024-11-09 06:26:46,126 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:26:46" (1/1) ... [2024-11-09 06:26:46,207 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:26:47,574 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:26:47,588 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:26:47,738 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:26:47,978 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:26:47,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:26:47 WrapperNode [2024-11-09 06:26:47,979 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:26:47,981 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:26:47,982 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:26:47,982 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:26:47,993 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:26:47" (1/1) ... [2024-11-09 06:26:48,025 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:26:47" (1/1) ... [2024-11-09 06:26:48,058 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 46 [2024-11-09 06:26:48,058 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:26:48,059 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:26:48,060 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:26:48,060 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:26:48,073 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:26:47" (1/1) ... [2024-11-09 06:26:48,073 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:26:47" (1/1) ... [2024-11-09 06:26:48,076 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:26:47" (1/1) ... [2024-11-09 06:26:48,076 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:26:47" (1/1) ... [2024-11-09 06:26:48,086 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:26:47" (1/1) ... [2024-11-09 06:26:48,088 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:26:47" (1/1) ... [2024-11-09 06:26:48,090 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:26:47" (1/1) ... [2024-11-09 06:26:48,091 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:26:47" (1/1) ... [2024-11-09 06:26:48,094 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:26:48,096 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:26:48,096 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:26:48,096 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:26:48,098 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:26:47" (1/1) ... [2024-11-09 06:26:48,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:26:48,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40bce520-92d7-48da-87c5-06c27f9c3505/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:26:48,142 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40bce520-92d7-48da-87c5-06c27f9c3505/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:26:48,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40bce520-92d7-48da-87c5-06c27f9c3505/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:26:48,175 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 06:26:48,175 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 06:26:48,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:26:48,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:26:48,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:26:48,355 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:26:48,358 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:26:48,568 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-09 06:26:48,568 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:26:48,648 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:26:48,653 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 06:26:48,653 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:26:48 BoogieIcfgContainer [2024-11-09 06:26:48,654 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:26:48,658 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:26:48,660 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:26:48,665 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:26:48,665 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:26:46" (1/3) ... [2024-11-09 06:26:48,666 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fe52efb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:26:48, skipping insertion in model container [2024-11-09 06:26:48,667 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:26:47" (2/3) ... [2024-11-09 06:26:48,668 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fe52efb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:26:48, skipping insertion in model container [2024-11-09 06:26:48,669 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:26:48" (3/3) ... [2024-11-09 06:26:48,671 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_multiply_61_bad.i [2024-11-09 06:26:48,695 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:26:48,696 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 06:26:48,795 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:26:48,806 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;@7a6d9bc1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:26:48,806 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-09 06:26:48,812 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 06:26:48,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 06:26:48,831 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:26:48,832 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:26:48,832 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 06:26:48,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:26:48,841 INFO L85 PathProgramCache]: Analyzing trace with hash 2094660631, now seen corresponding path program 1 times [2024-11-09 06:26:48,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:26:48,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248612825] [2024-11-09 06:26:48,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:26:48,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:26:49,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:26:49,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:26:49,249 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:26:49,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248612825] [2024-11-09 06:26:49,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248612825] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:26:49,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:26:49,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:26:49,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440903057] [2024-11-09 06:26:49,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:26:49,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:26:49,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:26:49,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:26:49,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:26:49,299 INFO L87 Difference]: Start difference. First operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 06:26:49,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:26:49,355 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2024-11-09 06:26:49,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:26:49,360 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 7 [2024-11-09 06:26:49,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:26:49,370 INFO L225 Difference]: With dead ends: 16 [2024-11-09 06:26:49,370 INFO L226 Difference]: Without dead ends: 9 [2024-11-09 06:26:49,374 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:26:49,378 INFO L432 NwaCegarLoop]: 2 mSDtfsCounter, 1 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:26:49,380 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 4 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:26:49,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2024-11-09 06:26:49,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2024-11-09 06:26:49,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 06:26:49,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions. [2024-11-09 06:26:49,417 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 7 [2024-11-09 06:26:49,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:26:49,418 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 8 transitions. [2024-11-09 06:26:49,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 06:26:49,419 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2024-11-09 06:26:49,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 06:26:49,420 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:26:49,420 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:26:49,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 06:26:49,421 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 06:26:49,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:26:49,422 INFO L85 PathProgramCache]: Analyzing trace with hash 509970172, now seen corresponding path program 1 times [2024-11-09 06:26:49,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:26:49,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514308803] [2024-11-09 06:26:49,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:26:49,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:26:49,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:26:49,478 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 06:26:49,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:26:49,537 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 06:26:49,538 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 06:26:49,540 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-09 06:26:49,543 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-09 06:26:49,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 06:26:49,551 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-09 06:26:49,595 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 06:26:49,599 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:26:49 BoogieIcfgContainer [2024-11-09 06:26:49,599 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 06:26:49,600 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 06:26:49,600 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 06:26:49,600 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 06:26:49,601 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:26:48" (3/4) ... [2024-11-09 06:26:49,604 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 06:26:49,605 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 06:26:49,606 INFO L158 Benchmark]: Toolchain (without parser) took 3503.63ms. Allocated memory is still 163.6MB. Free memory was 122.7MB in the beginning and 126.1MB in the end (delta: -3.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:26:49,606 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 109.1MB. Free memory is still 59.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:26:49,607 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1874.20ms. Allocated memory is still 163.6MB. Free memory was 122.3MB in the beginning and 112.4MB in the end (delta: 9.9MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. [2024-11-09 06:26:49,607 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.84ms. Allocated memory is still 163.6MB. Free memory was 112.4MB in the beginning and 109.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:26:49,608 INFO L158 Benchmark]: Boogie Preprocessor took 35.37ms. Allocated memory is still 163.6MB. Free memory was 108.9MB in the beginning and 108.2MB in the end (delta: 708.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:26:49,609 INFO L158 Benchmark]: RCFGBuilder took 559.03ms. Allocated memory is still 163.6MB. Free memory was 108.2MB in the beginning and 94.2MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 06:26:49,609 INFO L158 Benchmark]: TraceAbstraction took 941.40ms. Allocated memory is still 163.6MB. Free memory was 93.5MB in the beginning and 127.1MB in the end (delta: -33.6MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. [2024-11-09 06:26:49,610 INFO L158 Benchmark]: Witness Printer took 5.48ms. Allocated memory is still 163.6MB. Free memory was 126.1MB in the beginning and 126.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:26:49,613 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 109.1MB. Free memory is still 59.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1874.20ms. Allocated memory is still 163.6MB. Free memory was 122.3MB in the beginning and 112.4MB in the end (delta: 9.9MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.84ms. Allocated memory is still 163.6MB. Free memory was 112.4MB in the beginning and 109.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.37ms. Allocated memory is still 163.6MB. Free memory was 108.9MB in the beginning and 108.2MB in the end (delta: 708.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 559.03ms. Allocated memory is still 163.6MB. Free memory was 108.2MB in the beginning and 94.2MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 941.40ms. Allocated memory is still 163.6MB. Free memory was 93.5MB in the beginning and 127.1MB in the end (delta: -33.6MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. * Witness Printer took 5.48ms. Allocated memory is still 163.6MB. Free memory was 126.1MB in the beginning and 126.1MB in the end (delta: 83.9kB). 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: 1556]: 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 1563. 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); [L1563] 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) [L1563] 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] [L1564] CALL CWE190_Integer_Overflow__int_max_multiply_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE190_Integer_Overflow__int_max_multiply_61b_badSource(data) [L1570] data = 0x7fffffff [L1571] return data; [L1553] RET, EXPR CWE190_Integer_Overflow__int_max_multiply_61b_badSource(data) [L1553] data = CWE190_Integer_Overflow__int_max_multiply_61b_badSource(data) [L1554] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1556]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, 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, 4 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 2 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 06:26:49,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40bce520-92d7-48da-87c5-06c27f9c3505/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40bce520-92d7-48da-87c5-06c27f9c3505/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40bce520-92d7-48da-87c5-06c27f9c3505/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40bce520-92d7-48da-87c5-06c27f9c3505/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40bce520-92d7-48da-87c5-06c27f9c3505/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40bce520-92d7-48da-87c5-06c27f9c3505/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40bce520-92d7-48da-87c5-06c27f9c3505/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 42d5baaf6dbd0221e74a270dcba38280a1a27062102cbce766c0300c1bd865bc --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:26:53,104 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:26:53,229 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40bce520-92d7-48da-87c5-06c27f9c3505/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2024-11-09 06:26:53,240 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:26:53,241 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:26:53,295 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:26:53,296 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:26:53,297 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:26:53,298 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:26:53,299 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:26:53,299 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:26:53,300 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:26:53,301 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:26:53,307 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:26:53,308 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:26:53,309 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:26:53,310 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:26:53,310 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:26:53,311 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:26:53,311 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:26:53,312 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:26:53,314 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:26:53,315 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 06:26:53,315 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 06:26:53,316 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:26:53,317 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 06:26:53,317 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 06:26:53,318 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 06:26:53,318 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:26:53,319 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:26:53,319 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:26:53,320 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 06:26:53,320 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:26:53,322 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:26:53,322 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:26:53,323 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:26:53,324 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:26:53,326 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:26:53,326 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 06:26:53,327 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 06:26:53,328 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:26:53,328 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:26:53,329 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40bce520-92d7-48da-87c5-06c27f9c3505/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40bce520-92d7-48da-87c5-06c27f9c3505/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 42d5baaf6dbd0221e74a270dcba38280a1a27062102cbce766c0300c1bd865bc [2024-11-09 06:26:53,834 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:26:53,877 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:26:53,881 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:26:53,883 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:26:53,883 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:26:53,885 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40bce520-92d7-48da-87c5-06c27f9c3505/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_61_bad.i Unable to find full path for "g++" [2024-11-09 06:26:56,545 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:26:57,152 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:26:57,153 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40bce520-92d7-48da-87c5-06c27f9c3505/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_61_bad.i [2024-11-09 06:26:57,191 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40bce520-92d7-48da-87c5-06c27f9c3505/bin/utaipan-verify-YMUCfTKeje/data/823e4c9ff/d5ea4f65718a406f97ab7f090474ee97/FLAG7d3f92d90 [2024-11-09 06:26:57,211 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40bce520-92d7-48da-87c5-06c27f9c3505/bin/utaipan-verify-YMUCfTKeje/data/823e4c9ff/d5ea4f65718a406f97ab7f090474ee97 [2024-11-09 06:26:57,214 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:26:57,217 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:26:57,219 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:26:57,219 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:26:57,227 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:26:57,228 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:26:57" (1/1) ... [2024-11-09 06:26:57,230 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54e25b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:26:57, skipping insertion in model container [2024-11-09 06:26:57,230 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:26:57" (1/1) ... [2024-11-09 06:26:57,317 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:26:58,792 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:26:58,815 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:26:58,996 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:26:59,230 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:26:59,231 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:26:59 WrapperNode [2024-11-09 06:26:59,231 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:26:59,232 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:26:59,233 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:26:59,234 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:26:59,243 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:26:59" (1/1) ... [2024-11-09 06:26:59,293 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:26:59" (1/1) ... [2024-11-09 06:26:59,322 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 45 [2024-11-09 06:26:59,323 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:26:59,325 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:26:59,326 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:26:59,327 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:26:59,338 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:26:59" (1/1) ... [2024-11-09 06:26:59,339 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:26:59" (1/1) ... [2024-11-09 06:26:59,346 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:26:59" (1/1) ... [2024-11-09 06:26:59,347 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:26:59" (1/1) ... [2024-11-09 06:26:59,363 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:26:59" (1/1) ... [2024-11-09 06:26:59,370 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:26:59" (1/1) ... [2024-11-09 06:26:59,377 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:26:59" (1/1) ... [2024-11-09 06:26:59,378 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:26:59" (1/1) ... [2024-11-09 06:26:59,387 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:26:59,388 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:26:59,388 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:26:59,388 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:26:59,389 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:26:59" (1/1) ... [2024-11-09 06:26:59,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:26:59,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40bce520-92d7-48da-87c5-06c27f9c3505/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:26:59,437 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40bce520-92d7-48da-87c5-06c27f9c3505/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:26:59,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40bce520-92d7-48da-87c5-06c27f9c3505/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:26:59,481 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 06:26:59,482 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 06:26:59,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:26:59,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:26:59,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:26:59,738 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:26:59,742 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:26:59,958 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-09 06:26:59,959 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:26:59,977 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:26:59,977 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 06:26:59,978 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:26:59 BoogieIcfgContainer [2024-11-09 06:26:59,978 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:26:59,983 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:26:59,984 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:26:59,989 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:26:59,989 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:26:57" (1/3) ... [2024-11-09 06:26:59,990 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a406668 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:26:59, skipping insertion in model container [2024-11-09 06:26:59,991 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:26:59" (2/3) ... [2024-11-09 06:26:59,991 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a406668 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:26:59, skipping insertion in model container [2024-11-09 06:26:59,991 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:26:59" (3/3) ... [2024-11-09 06:26:59,993 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_multiply_61_bad.i [2024-11-09 06:27:00,018 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:27:00,019 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 06:27:00,101 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:27:00,110 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;@2e24aa7b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:27:00,111 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-09 06:27:00,117 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 06:27:00,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 06:27:00,132 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:27:00,133 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:27:00,134 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 06:27:00,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:27:00,142 INFO L85 PathProgramCache]: Analyzing trace with hash 51469855, now seen corresponding path program 1 times [2024-11-09 06:27:00,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:27:00,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2102192554] [2024-11-09 06:27:00,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:27:00,160 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:27:00,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40bce520-92d7-48da-87c5-06c27f9c3505/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:27:00,165 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40bce520-92d7-48da-87c5-06c27f9c3505/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:27:00,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40bce520-92d7-48da-87c5-06c27f9c3505/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-09 06:27:00,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:27:00,354 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 06:27:00,364 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:27:00,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:27:00,483 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:27:00,484 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:27:00,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2102192554] [2024-11-09 06:27:00,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2102192554] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:27:00,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:27:00,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:27:00,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838768365] [2024-11-09 06:27:00,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:27:00,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 06:27:00,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:27:00,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 06:27:00,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 06:27:00,558 INFO L87 Difference]: Start difference. First operand has 21 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 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) [2024-11-09 06:27:00,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:27:00,613 INFO L93 Difference]: Finished difference Result 25 states and 27 transitions. [2024-11-09 06:27:00,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 06:27:00,616 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 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) Word has length 11 [2024-11-09 06:27:00,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:27:00,627 INFO L225 Difference]: With dead ends: 25 [2024-11-09 06:27:00,627 INFO L226 Difference]: Without dead ends: 13 [2024-11-09 06:27:00,631 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 06:27:00,638 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 1 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:27:00,640 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 26 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:27:00,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-11-09 06:27:00,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-11-09 06:27:00,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 06:27:00,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2024-11-09 06:27:00,689 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 11 [2024-11-09 06:27:00,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:27:00,691 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2024-11-09 06:27:00,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 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) [2024-11-09 06:27:00,691 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2024-11-09 06:27:00,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 06:27:00,693 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:27:00,693 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:27:00,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40bce520-92d7-48da-87c5-06c27f9c3505/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-09 06:27:00,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40bce520-92d7-48da-87c5-06c27f9c3505/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:27:00,898 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 06:27:00,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:27:00,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1595565556, now seen corresponding path program 1 times [2024-11-09 06:27:00,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:27:00,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1709091468] [2024-11-09 06:27:00,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:27:00,906 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:27:00,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40bce520-92d7-48da-87c5-06c27f9c3505/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:27:00,908 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40bce520-92d7-48da-87c5-06c27f9c3505/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:27:00,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40bce520-92d7-48da-87c5-06c27f9c3505/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-09 06:27:01,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:27:01,030 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 06:27:01,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:27:01,125 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2024-11-09 06:27:01,128 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 06:27:01,131 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-09 06:27:01,138 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-09 06:27:01,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40bce520-92d7-48da-87c5-06c27f9c3505/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-09 06:27:01,338 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40bce520-92d7-48da-87c5-06c27f9c3505/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:27:01,342 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-09 06:27:01,372 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 06:27:01,377 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:27:01 BoogieIcfgContainer [2024-11-09 06:27:01,377 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 06:27:01,378 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 06:27:01,379 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 06:27:01,379 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 06:27:01,380 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:26:59" (3/4) ... [2024-11-09 06:27:01,383 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 06:27:01,384 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 06:27:01,385 INFO L158 Benchmark]: Toolchain (without parser) took 4168.85ms. Allocated memory is still 96.5MB. Free memory was 68.7MB in the beginning and 33.6MB in the end (delta: 35.1MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. [2024-11-09 06:27:01,386 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 71.3MB. Free memory is still 47.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:27:01,386 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2012.78ms. Allocated memory is still 96.5MB. Free memory was 68.7MB in the beginning and 55.2MB in the end (delta: 13.5MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. [2024-11-09 06:27:01,387 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.29ms. Allocated memory is still 96.5MB. Free memory was 55.2MB in the beginning and 52.2MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 06:27:01,388 INFO L158 Benchmark]: Boogie Preprocessor took 61.60ms. Allocated memory is still 96.5MB. Free memory was 52.2MB in the beginning and 50.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:27:01,388 INFO L158 Benchmark]: RCFGBuilder took 592.99ms. Allocated memory is still 96.5MB. Free memory was 50.2MB in the beginning and 65.6MB in the end (delta: -15.5MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2024-11-09 06:27:01,389 INFO L158 Benchmark]: TraceAbstraction took 1394.55ms. Allocated memory is still 96.5MB. Free memory was 64.7MB in the beginning and 34.2MB in the end (delta: 30.6MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-09 06:27:01,390 INFO L158 Benchmark]: Witness Printer took 6.30ms. Allocated memory is still 96.5MB. Free memory was 34.2MB in the beginning and 33.6MB in the end (delta: 591.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:27:01,393 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 71.3MB. Free memory is still 47.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2012.78ms. Allocated memory is still 96.5MB. Free memory was 68.7MB in the beginning and 55.2MB in the end (delta: 13.5MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.29ms. Allocated memory is still 96.5MB. Free memory was 55.2MB in the beginning and 52.2MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.60ms. Allocated memory is still 96.5MB. Free memory was 52.2MB in the beginning and 50.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 592.99ms. Allocated memory is still 96.5MB. Free memory was 50.2MB in the beginning and 65.6MB in the end (delta: -15.5MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1394.55ms. Allocated memory is still 96.5MB. Free memory was 64.7MB in the beginning and 34.2MB in the end (delta: 30.6MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Witness Printer took 6.30ms. Allocated memory is still 96.5MB. Free memory was 34.2MB in the beginning and 33.6MB in the end (delta: 591.7kB). 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: 1556]: 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 1563. 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] [L1563] 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) [L1563] 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] [L1564] CALL CWE190_Integer_Overflow__int_max_multiply_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE190_Integer_Overflow__int_max_multiply_61b_badSource(data) [L1570] data = 0x7fffffff [L1571] return data; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \result=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] RET, EXPR CWE190_Integer_Overflow__int_max_multiply_61b_badSource(data) [L1553] data = CWE190_Integer_Overflow__int_max_multiply_61b_badSource(data) [L1554] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1556]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, 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, 26 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 17 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 9 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 16 SizeOfPredicates, 0 NumberOfNonLiveVariables, 40 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 06:27:01,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40bce520-92d7-48da-87c5-06c27f9c3505/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample