./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_01_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_17119f12-e7ce-49af-b3cc-85741b4a752d/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17119f12-e7ce-49af-b3cc-85741b4a752d/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17119f12-e7ce-49af-b3cc-85741b4a752d/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17119f12-e7ce-49af-b3cc-85741b4a752d/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_01_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17119f12-e7ce-49af-b3cc-85741b4a752d/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17119f12-e7ce-49af-b3cc-85741b4a752d/bin/uautomizer-verify-4GaUIPS5ZU --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9874df2f05ff5bf85a63995b9c63b76dc9072d2ab417557991bc28aafde5c074 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:07:13,785 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:07:13,875 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17119f12-e7ce-49af-b3cc-85741b4a752d/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-31 22:07:13,880 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:07:13,881 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:07:13,926 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:07:13,926 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:07:13,927 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:07:13,928 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:07:13,928 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:07:13,928 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:07:13,929 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:07:13,929 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:07:13,930 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:07:13,930 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:07:13,931 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:07:13,931 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:07:13,932 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:07:13,932 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:07:13,932 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:07:13,933 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:07:13,937 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:07:13,938 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:07:13,938 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-31 22:07:13,938 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:07:13,939 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:07:13,939 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:07:13,939 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:07:13,940 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:07:13,940 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:07:13,940 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:07:13,941 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:07:13,944 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:07:13,945 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:07:13,945 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:07:13,945 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:07:13,946 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:07:13,946 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:07:13,946 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:07:13,946 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:07:13,947 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:07:13,950 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_17119f12-e7ce-49af-b3cc-85741b4a752d/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17119f12-e7ce-49af-b3cc-85741b4a752d/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9874df2f05ff5bf85a63995b9c63b76dc9072d2ab417557991bc28aafde5c074 [2024-10-31 22:07:14,233 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:07:14,267 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:07:14,270 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:07:14,271 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:07:14,272 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:07:14,273 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17119f12-e7ce-49af-b3cc-85741b4a752d/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_01_bad.i Unable to find full path for "g++" [2024-10-31 22:07:16,506 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:07:16,924 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:07:16,926 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17119f12-e7ce-49af-b3cc-85741b4a752d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_01_bad.i [2024-10-31 22:07:16,968 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17119f12-e7ce-49af-b3cc-85741b4a752d/bin/uautomizer-verify-4GaUIPS5ZU/data/7ffaf1d10/ff724b3240e845f3b3159c4edb070f82/FLAG459bf813d [2024-10-31 22:07:16,990 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17119f12-e7ce-49af-b3cc-85741b4a752d/bin/uautomizer-verify-4GaUIPS5ZU/data/7ffaf1d10/ff724b3240e845f3b3159c4edb070f82 [2024-10-31 22:07:16,995 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:07:16,997 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:07:16,998 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:07:16,998 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:07:17,004 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:07:17,005 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:07:16" (1/1) ... [2024-10-31 22:07:17,007 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45a60225 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:17, skipping insertion in model container [2024-10-31 22:07:17,007 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:07:16" (1/1) ... [2024-10-31 22:07:17,086 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:07:18,167 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:07:18,178 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:07:18,316 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:07:18,508 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:07:18,509 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:18 WrapperNode [2024-10-31 22:07:18,509 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:07:18,511 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:07:18,511 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:07:18,511 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:07:18,521 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:18" (1/1) ... [2024-10-31 22:07:18,550 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:18" (1/1) ... [2024-10-31 22:07:18,579 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 41 [2024-10-31 22:07:18,580 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:07:18,581 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:07:18,581 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:07:18,581 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:07:18,592 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:18" (1/1) ... [2024-10-31 22:07:18,592 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:18" (1/1) ... [2024-10-31 22:07:18,595 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:18" (1/1) ... [2024-10-31 22:07:18,609 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-31 22:07:18,609 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:18" (1/1) ... [2024-10-31 22:07:18,610 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:18" (1/1) ... [2024-10-31 22:07:18,619 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:18" (1/1) ... [2024-10-31 22:07:18,622 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:18" (1/1) ... [2024-10-31 22:07:18,624 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:18" (1/1) ... [2024-10-31 22:07:18,628 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:18" (1/1) ... [2024-10-31 22:07:18,631 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:07:18,632 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:07:18,633 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:07:18,633 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:07:18,634 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:18" (1/1) ... [2024-10-31 22:07:18,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:07:18,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17119f12-e7ce-49af-b3cc-85741b4a752d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:18,676 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17119f12-e7ce-49af-b3cc-85741b4a752d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:18,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17119f12-e7ce-49af-b3cc-85741b4a752d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:07:18,714 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-31 22:07:18,715 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-31 22:07:18,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:07:18,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:07:18,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:07:18,866 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:07:18,868 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:07:18,981 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-10-31 22:07:18,981 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:07:18,995 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:07:18,996 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 22:07:18,996 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:07:18 BoogieIcfgContainer [2024-10-31 22:07:18,996 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:07:19,001 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:07:19,002 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:07:19,005 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:07:19,006 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:07:16" (1/3) ... [2024-10-31 22:07:19,007 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48a7d5a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:07:19, skipping insertion in model container [2024-10-31 22:07:19,007 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:18" (2/3) ... [2024-10-31 22:07:19,009 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48a7d5a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:07:19, skipping insertion in model container [2024-10-31 22:07:19,009 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:07:18" (3/3) ... [2024-10-31 22:07:19,011 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_postdec_01_bad.i [2024-10-31 22:07:19,040 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:07:19,041 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-31 22:07:19,121 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:07:19,127 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=PETRI_NET, 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;@11b8dd2c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:07:19,128 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-31 22:07:19,132 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 15 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-31 22:07:19,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-31 22:07:19,139 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:07:19,140 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:07:19,140 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-31 22:07:19,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:19,146 INFO L85 PathProgramCache]: Analyzing trace with hash 80251503, now seen corresponding path program 1 times [2024-10-31 22:07:19,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:19,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144163398] [2024-10-31 22:07:19,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:19,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:19,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:19,307 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:07:19,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:19,349 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:07:19,351 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 22:07:19,352 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-31 22:07:19,355 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-31 22:07:19,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:07:19,360 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-31 22:07:19,378 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:07:19,381 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:07:19 BoogieIcfgContainer [2024-10-31 22:07:19,381 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:07:19,382 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:07:19,382 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:07:19,382 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:07:19,383 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:07:18" (3/4) ... [2024-10-31 22:07:19,386 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 22:07:19,387 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:07:19,388 INFO L158 Benchmark]: Toolchain (without parser) took 2391.25ms. Allocated memory was 138.4MB in the beginning and 172.0MB in the end (delta: 33.6MB). Free memory was 97.3MB in the beginning and 82.7MB in the end (delta: 14.6MB). Peak memory consumption was 48.9MB. Max. memory is 16.1GB. [2024-10-31 22:07:19,389 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 138.4MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:07:19,390 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1511.69ms. Allocated memory was 138.4MB in the beginning and 172.0MB in the end (delta: 33.6MB). Free memory was 97.3MB in the beginning and 116.0MB in the end (delta: -18.6MB). Peak memory consumption was 57.3MB. Max. memory is 16.1GB. [2024-10-31 22:07:19,390 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.51ms. Allocated memory is still 172.0MB. Free memory was 116.0MB in the beginning and 113.0MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-31 22:07:19,391 INFO L158 Benchmark]: Boogie Preprocessor took 50.48ms. Allocated memory is still 172.0MB. Free memory was 113.0MB in the beginning and 110.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:07:19,392 INFO L158 Benchmark]: RCFGBuilder took 364.14ms. Allocated memory is still 172.0MB. Free memory was 110.9MB in the beginning and 99.5MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-31 22:07:19,392 INFO L158 Benchmark]: TraceAbstraction took 380.72ms. Allocated memory is still 172.0MB. Free memory was 98.3MB in the beginning and 82.7MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-31 22:07:19,393 INFO L158 Benchmark]: Witness Printer took 5.35ms. Allocated memory is still 172.0MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:07:19,397 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 138.4MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1511.69ms. Allocated memory was 138.4MB in the beginning and 172.0MB in the end (delta: 33.6MB). Free memory was 97.3MB in the beginning and 116.0MB in the end (delta: -18.6MB). Peak memory consumption was 57.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.51ms. Allocated memory is still 172.0MB. Free memory was 116.0MB in the beginning and 113.0MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.48ms. Allocated memory is still 172.0MB. Free memory was 113.0MB in the beginning and 110.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 364.14ms. Allocated memory is still 172.0MB. Free memory was 110.9MB in the beginning and 99.5MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 380.72ms. Allocated memory is still 172.0MB. Free memory was 98.3MB in the beginning and 82.7MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 5.35ms. Allocated memory is still 172.0MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1562. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1562] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1563] CALL CWE191_Integer_Underflow__int_min_postdec_01_bad() [L1550] int data; [L1551] data = 0 [L1552] data = (-0x7fffffff - 1) [L1554] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-31 22:07:19,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17119f12-e7ce-49af-b3cc-85741b4a752d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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_17119f12-e7ce-49af-b3cc-85741b4a752d/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17119f12-e7ce-49af-b3cc-85741b4a752d/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17119f12-e7ce-49af-b3cc-85741b4a752d/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17119f12-e7ce-49af-b3cc-85741b4a752d/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_01_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17119f12-e7ce-49af-b3cc-85741b4a752d/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17119f12-e7ce-49af-b3cc-85741b4a752d/bin/uautomizer-verify-4GaUIPS5ZU --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9874df2f05ff5bf85a63995b9c63b76dc9072d2ab417557991bc28aafde5c074 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:07:22,160 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:07:22,264 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17119f12-e7ce-49af-b3cc-85741b4a752d/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-10-31 22:07:22,272 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:07:22,273 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:07:22,275 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-10-31 22:07:22,320 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:07:22,321 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:07:22,324 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:07:22,326 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:07:22,327 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:07:22,327 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:07:22,328 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:07:22,329 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:07:22,331 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:07:22,331 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:07:22,332 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:07:22,335 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:07:22,335 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:07:22,336 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:07:22,336 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:07:22,336 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:07:22,337 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-31 22:07:22,337 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-31 22:07:22,337 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:07:22,338 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-31 22:07:22,338 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-31 22:07:22,338 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:07:22,338 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:07:22,339 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:07:22,339 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:07:22,339 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:07:22,340 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:07:22,340 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:07:22,340 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:07:22,340 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:07:22,341 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:07:22,341 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:07:22,341 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-31 22:07:22,342 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-31 22:07:22,342 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:07:22,347 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:07:22,348 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:07:22,348 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:07:22,349 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-31 22:07:22,349 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_17119f12-e7ce-49af-b3cc-85741b4a752d/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17119f12-e7ce-49af-b3cc-85741b4a752d/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9874df2f05ff5bf85a63995b9c63b76dc9072d2ab417557991bc28aafde5c074 [2024-10-31 22:07:22,820 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:07:22,850 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:07:22,853 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:07:22,854 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:07:22,855 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:07:22,858 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17119f12-e7ce-49af-b3cc-85741b4a752d/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_01_bad.i Unable to find full path for "g++" [2024-10-31 22:07:25,097 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:07:25,548 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:07:25,551 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17119f12-e7ce-49af-b3cc-85741b4a752d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_01_bad.i [2024-10-31 22:07:25,585 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17119f12-e7ce-49af-b3cc-85741b4a752d/bin/uautomizer-verify-4GaUIPS5ZU/data/9dbdb33d6/bf29d5807e8b467d8423d377c7aae278/FLAG4c18c9f65 [2024-10-31 22:07:25,718 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17119f12-e7ce-49af-b3cc-85741b4a752d/bin/uautomizer-verify-4GaUIPS5ZU/data/9dbdb33d6/bf29d5807e8b467d8423d377c7aae278 [2024-10-31 22:07:25,721 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:07:25,725 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:07:25,731 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:07:25,731 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:07:25,741 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:07:25,741 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:07:25" (1/1) ... [2024-10-31 22:07:25,750 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ed095a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:25, skipping insertion in model container [2024-10-31 22:07:25,750 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:07:25" (1/1) ... [2024-10-31 22:07:25,888 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:07:27,185 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:07:27,221 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:07:27,345 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:07:27,558 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:07:27,559 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:27 WrapperNode [2024-10-31 22:07:27,559 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:07:27,560 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:07:27,561 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:07:27,561 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:07:27,569 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:27" (1/1) ... [2024-10-31 22:07:27,607 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:27" (1/1) ... [2024-10-31 22:07:27,640 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 41 [2024-10-31 22:07:27,641 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:07:27,642 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:07:27,642 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:07:27,642 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:07:27,655 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:27" (1/1) ... [2024-10-31 22:07:27,655 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:27" (1/1) ... [2024-10-31 22:07:27,658 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:27" (1/1) ... [2024-10-31 22:07:27,680 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-31 22:07:27,680 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:27" (1/1) ... [2024-10-31 22:07:27,681 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:27" (1/1) ... [2024-10-31 22:07:27,693 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:27" (1/1) ... [2024-10-31 22:07:27,699 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:27" (1/1) ... [2024-10-31 22:07:27,705 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:27" (1/1) ... [2024-10-31 22:07:27,707 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:27" (1/1) ... [2024-10-31 22:07:27,713 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:07:27,714 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:07:27,715 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:07:27,715 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:07:27,716 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:27" (1/1) ... [2024-10-31 22:07:27,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:07:27,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17119f12-e7ce-49af-b3cc-85741b4a752d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:27,752 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17119f12-e7ce-49af-b3cc-85741b4a752d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:27,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17119f12-e7ce-49af-b3cc-85741b4a752d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:07:27,777 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-31 22:07:27,777 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-31 22:07:27,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:07:27,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:07:27,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:07:27,989 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:07:27,992 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:07:28,137 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-10-31 22:07:28,138 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:07:28,154 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:07:28,154 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 22:07:28,155 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:07:28 BoogieIcfgContainer [2024-10-31 22:07:28,155 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:07:28,158 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:07:28,159 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:07:28,163 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:07:28,163 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:07:25" (1/3) ... [2024-10-31 22:07:28,164 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e03491 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:07:28, skipping insertion in model container [2024-10-31 22:07:28,164 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:27" (2/3) ... [2024-10-31 22:07:28,164 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e03491 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:07:28, skipping insertion in model container [2024-10-31 22:07:28,164 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:07:28" (3/3) ... [2024-10-31 22:07:28,168 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_postdec_01_bad.i [2024-10-31 22:07:28,188 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:07:28,188 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-31 22:07:28,267 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:07:28,275 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=PETRI_NET, 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;@47f6235, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:07:28,275 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-31 22:07:28,290 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 15 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-31 22:07:28,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-31 22:07:28,300 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:07:28,301 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:07:28,302 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-31 22:07:28,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:28,310 INFO L85 PathProgramCache]: Analyzing trace with hash 80251503, now seen corresponding path program 1 times [2024-10-31 22:07:28,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:07:28,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [440707530] [2024-10-31 22:07:28,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:28,326 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 [2024-10-31 22:07:28,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17119f12-e7ce-49af-b3cc-85741b4a752d/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:07:28,329 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17119f12-e7ce-49af-b3cc-85741b4a752d/bin/uautomizer-verify-4GaUIPS5ZU/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) [2024-10-31 22:07:28,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17119f12-e7ce-49af-b3cc-85741b4a752d/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 22:07:28,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:28,485 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:07:28,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:28,543 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-10-31 22:07:28,545 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 22:07:28,546 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-31 22:07:28,548 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-31 22:07:28,557 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17119f12-e7ce-49af-b3cc-85741b4a752d/bin/uautomizer-verify-4GaUIPS5ZU/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)] Forceful destruction successful, exit code 0 [2024-10-31 22:07:28,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17119f12-e7ce-49af-b3cc-85741b4a752d/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 22:07:28,760 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-31 22:07:28,794 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:07:28,799 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:07:28 BoogieIcfgContainer [2024-10-31 22:07:28,800 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:07:28,800 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:07:28,801 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:07:28,801 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:07:28,802 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:07:28" (3/4) ... [2024-10-31 22:07:28,805 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 22:07:28,806 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:07:28,808 INFO L158 Benchmark]: Toolchain (without parser) took 3082.69ms. Allocated memory was 60.8MB in the beginning and 102.8MB in the end (delta: 41.9MB). Free memory was 26.8MB in the beginning and 63.0MB in the end (delta: -36.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-31 22:07:28,809 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 60.8MB. Free memory was 36.8MB in the beginning and 36.7MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:07:28,810 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1828.80ms. Allocated memory was 60.8MB in the beginning and 83.9MB in the end (delta: 23.1MB). Free memory was 26.5MB in the beginning and 34.1MB in the end (delta: -7.6MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2024-10-31 22:07:28,811 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.63ms. Allocated memory is still 83.9MB. Free memory was 34.1MB in the beginning and 53.9MB in the end (delta: -19.8MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2024-10-31 22:07:28,812 INFO L158 Benchmark]: Boogie Preprocessor took 71.74ms. Allocated memory is still 83.9MB. Free memory was 53.9MB in the beginning and 51.3MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-31 22:07:28,812 INFO L158 Benchmark]: RCFGBuilder took 440.78ms. Allocated memory is still 83.9MB. Free memory was 51.3MB in the beginning and 38.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-31 22:07:28,813 INFO L158 Benchmark]: TraceAbstraction took 641.39ms. Allocated memory was 83.9MB in the beginning and 102.8MB in the end (delta: 18.9MB). Free memory was 37.9MB in the beginning and 63.2MB in the end (delta: -25.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:07:28,814 INFO L158 Benchmark]: Witness Printer took 6.20ms. Allocated memory is still 102.8MB. Free memory was 63.2MB in the beginning and 63.0MB in the end (delta: 270.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:07:28,821 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 60.8MB. Free memory was 36.8MB in the beginning and 36.7MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1828.80ms. Allocated memory was 60.8MB in the beginning and 83.9MB in the end (delta: 23.1MB). Free memory was 26.5MB in the beginning and 34.1MB in the end (delta: -7.6MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.63ms. Allocated memory is still 83.9MB. Free memory was 34.1MB in the beginning and 53.9MB in the end (delta: -19.8MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.74ms. Allocated memory is still 83.9MB. Free memory was 53.9MB in the beginning and 51.3MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 440.78ms. Allocated memory is still 83.9MB. Free memory was 51.3MB in the beginning and 38.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 641.39ms. Allocated memory was 83.9MB in the beginning and 102.8MB in the end (delta: 18.9MB). Free memory was 37.9MB in the beginning and 63.2MB in the end (delta: -25.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.20ms. Allocated memory is still 102.8MB. Free memory was 63.2MB in the beginning and 63.0MB in the end (delta: 270.8kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1562. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1562] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1563] CALL CWE191_Integer_Underflow__int_min_postdec_01_bad() [L1550] int data; [L1551] data = 0 [L1552] data = (-0x7fffffff - 1) [L1554] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-31 22:07:28,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17119f12-e7ce-49af-b3cc-85741b4a752d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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