./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_18_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_7f79b67b-a1f4-48fa-b158-cc6004e7feb8/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f79b67b-a1f4-48fa-b158-cc6004e7feb8/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f79b67b-a1f4-48fa-b158-cc6004e7feb8/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f79b67b-a1f4-48fa-b158-cc6004e7feb8/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_18_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f79b67b-a1f4-48fa-b158-cc6004e7feb8/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f79b67b-a1f4-48fa-b158-cc6004e7feb8/bin/uautomizer-verify-jihMAELWvX --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 0af0877265b266886160d42374de55af1a43c1c68384cd2379014d827b094fa0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:11:07,305 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:11:07,422 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f79b67b-a1f4-48fa-b158-cc6004e7feb8/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-08 18:11:07,433 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:11:07,435 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:11:07,479 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:11:07,480 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:11:07,480 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:11:07,481 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:11:07,481 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:11:07,482 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:11:07,482 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:11:07,484 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:11:07,484 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:11:07,485 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:11:07,485 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:11:07,486 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 18:11:07,487 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 18:11:07,487 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:11:07,488 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 18:11:07,488 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:11:07,489 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 18:11:07,489 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:11:07,490 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 18:11:07,491 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 18:11:07,491 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:11:07,492 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:11:07,492 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:11:07,493 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:11:07,493 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 18:11:07,494 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:11:07,494 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:11:07,495 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:11:07,495 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:11:07,495 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 18:11:07,496 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 18:11:07,496 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 18:11:07,497 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:11:07,497 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:11:07,498 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:11:07,498 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:11:07,499 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_7f79b67b-a1f4-48fa-b158-cc6004e7feb8/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f79b67b-a1f4-48fa-b158-cc6004e7feb8/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0af0877265b266886160d42374de55af1a43c1c68384cd2379014d827b094fa0 [2024-11-08 18:11:07,811 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:11:07,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:11:07,853 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:11:07,854 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:11:07,856 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:11:07,857 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f79b67b-a1f4-48fa-b158-cc6004e7feb8/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_18_bad.i Unable to find full path for "g++" [2024-11-08 18:11:10,190 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:11:10,738 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:11:10,739 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f79b67b-a1f4-48fa-b158-cc6004e7feb8/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_18_bad.i [2024-11-08 18:11:10,764 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f79b67b-a1f4-48fa-b158-cc6004e7feb8/bin/uautomizer-verify-jihMAELWvX/data/f0945ac33/b6f6a3de876041b48781fbd77e0bd954/FLAGdfa2f8ce2 [2024-11-08 18:11:10,782 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f79b67b-a1f4-48fa-b158-cc6004e7feb8/bin/uautomizer-verify-jihMAELWvX/data/f0945ac33/b6f6a3de876041b48781fbd77e0bd954 [2024-11-08 18:11:10,786 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:11:10,788 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:11:10,789 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:11:10,790 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:11:10,797 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:11:10,798 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:11:10" (1/1) ... [2024-11-08 18:11:10,799 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33920806 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:11:10, skipping insertion in model container [2024-11-08 18:11:10,799 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:11:10" (1/1) ... [2024-11-08 18:11:10,868 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:11:12,235 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:11:12,258 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:11:12,389 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:11:12,637 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:11:12,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:11:12 WrapperNode [2024-11-08 18:11:12,638 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:11:12,639 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:11:12,639 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:11:12,640 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:11:12,656 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:11:12" (1/1) ... [2024-11-08 18:11:12,697 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:11:12" (1/1) ... [2024-11-08 18:11:12,746 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 45 [2024-11-08 18:11:12,747 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:11:12,748 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:11:12,750 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:11:12,750 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:11:12,765 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:11:12" (1/1) ... [2024-11-08 18:11:12,766 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:11:12" (1/1) ... [2024-11-08 18:11:12,769 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:11:12" (1/1) ... [2024-11-08 18:11:12,783 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-08 18:11:12,783 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:11:12" (1/1) ... [2024-11-08 18:11:12,783 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:11:12" (1/1) ... [2024-11-08 18:11:12,791 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:11:12" (1/1) ... [2024-11-08 18:11:12,794 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:11:12" (1/1) ... [2024-11-08 18:11:12,796 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:11:12" (1/1) ... [2024-11-08 18:11:12,801 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:11:12" (1/1) ... [2024-11-08 18:11:12,807 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:11:12,808 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:11:12,808 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:11:12,809 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:11:12,813 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:11:12" (1/1) ... [2024-11-08 18:11:12,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:11:12,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f79b67b-a1f4-48fa-b158-cc6004e7feb8/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:11:12,861 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f79b67b-a1f4-48fa-b158-cc6004e7feb8/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 18:11:12,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f79b67b-a1f4-48fa-b158-cc6004e7feb8/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 18:11:12,911 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 18:11:12,911 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 18:11:12,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:11:12,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:11:12,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:11:13,101 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:11:13,104 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:11:13,242 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-08 18:11:13,243 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:11:13,260 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:11:13,260 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 18:11:13,261 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:11:13 BoogieIcfgContainer [2024-11-08 18:11:13,261 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:11:13,265 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 18:11:13,265 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 18:11:13,275 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 18:11:13,275 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:11:10" (1/3) ... [2024-11-08 18:11:13,277 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@556c44e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:11:13, skipping insertion in model container [2024-11-08 18:11:13,277 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:11:12" (2/3) ... [2024-11-08 18:11:13,279 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@556c44e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:11:13, skipping insertion in model container [2024-11-08 18:11:13,279 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:11:13" (3/3) ... [2024-11-08 18:11:13,281 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_postdec_18_bad.i [2024-11-08 18:11:13,309 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 18:11:13,310 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 18:11:13,407 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 18:11:13,416 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;@4a899ae3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 18:11:13,416 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 18:11:13,421 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.2) internal successors, (18), 17 states have internal predecessors, (18), 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) [2024-11-08 18:11:13,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 18:11:13,432 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:11:13,433 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:11:13,434 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 18:11:13,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:11:13,442 INFO L85 PathProgramCache]: Analyzing trace with hash 1176095353, now seen corresponding path program 1 times [2024-11-08 18:11:13,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:11:13,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836978303] [2024-11-08 18:11:13,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:11:13,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:11:13,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:11:13,666 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:11:13,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:11:13,748 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:11:13,751 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 18:11:13,752 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-08 18:11:13,754 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-08 18:11:13,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 18:11:13,761 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-08 18:11:13,786 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 18:11:13,790 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 06:11:13 BoogieIcfgContainer [2024-11-08 18:11:13,790 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 18:11:13,791 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 18:11:13,791 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 18:11:13,791 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 18:11:13,792 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:11:13" (3/4) ... [2024-11-08 18:11:13,795 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 18:11:13,796 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 18:11:13,798 INFO L158 Benchmark]: Toolchain (without parser) took 3009.73ms. Allocated memory was 146.8MB in the beginning and 197.1MB in the end (delta: 50.3MB). Free memory was 109.9MB in the beginning and 121.5MB in the end (delta: -11.6MB). Peak memory consumption was 39.9MB. Max. memory is 16.1GB. [2024-11-08 18:11:13,798 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 146.8MB. Free memory is still 90.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:11:13,799 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1848.86ms. Allocated memory was 146.8MB in the beginning and 197.1MB in the end (delta: 50.3MB). Free memory was 109.9MB in the beginning and 156.1MB in the end (delta: -46.2MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. [2024-11-08 18:11:13,800 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.42ms. Allocated memory is still 197.1MB. Free memory was 156.1MB in the beginning and 153.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:11:13,801 INFO L158 Benchmark]: Boogie Preprocessor took 59.06ms. Allocated memory is still 197.1MB. Free memory was 153.0MB in the beginning and 150.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:11:13,802 INFO L158 Benchmark]: RCFGBuilder took 453.21ms. Allocated memory is still 197.1MB. Free memory was 150.9MB in the beginning and 138.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 18:11:13,802 INFO L158 Benchmark]: TraceAbstraction took 525.30ms. Allocated memory is still 197.1MB. Free memory was 138.3MB in the beginning and 122.5MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 18:11:13,803 INFO L158 Benchmark]: Witness Printer took 5.64ms. Allocated memory is still 197.1MB. Free memory was 122.5MB in the beginning and 121.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:11:13,810 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 146.8MB. Free memory is still 90.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1848.86ms. Allocated memory was 146.8MB in the beginning and 197.1MB in the end (delta: 50.3MB). Free memory was 109.9MB in the beginning and 156.1MB in the end (delta: -46.2MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 108.42ms. Allocated memory is still 197.1MB. Free memory was 156.1MB in the beginning and 153.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.06ms. Allocated memory is still 197.1MB. Free memory was 153.0MB in the beginning and 150.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 453.21ms. Allocated memory is still 197.1MB. Free memory was 150.9MB in the beginning and 138.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 525.30ms. Allocated memory is still 197.1MB. Free memory was 138.3MB in the beginning and 122.5MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.64ms. Allocated memory is still 197.1MB. Free memory was 122.5MB in the beginning and 121.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1558]: 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 1566. 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] [L1566] 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) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_min_postdec_18_bad() [L1550] int data; [L1551] data = 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] [L1554] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] 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: 1558]: 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: 0.4s, 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=21occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 18:11:13,858 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f79b67b-a1f4-48fa-b158-cc6004e7feb8/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f79b67b-a1f4-48fa-b158-cc6004e7feb8/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f79b67b-a1f4-48fa-b158-cc6004e7feb8/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f79b67b-a1f4-48fa-b158-cc6004e7feb8/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f79b67b-a1f4-48fa-b158-cc6004e7feb8/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_18_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f79b67b-a1f4-48fa-b158-cc6004e7feb8/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f79b67b-a1f4-48fa-b158-cc6004e7feb8/bin/uautomizer-verify-jihMAELWvX --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 0af0877265b266886160d42374de55af1a43c1c68384cd2379014d827b094fa0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:11:16,852 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:11:16,951 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f79b67b-a1f4-48fa-b158-cc6004e7feb8/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-08 18:11:16,958 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:11:16,959 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:11:16,959 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-08 18:11:16,996 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:11:17,001 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:11:17,002 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:11:17,003 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:11:17,004 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:11:17,004 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:11:17,005 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:11:17,006 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:11:17,008 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:11:17,009 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:11:17,010 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:11:17,010 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 18:11:17,010 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:11:17,011 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 18:11:17,011 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:11:17,016 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 18:11:17,016 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 18:11:17,016 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 18:11:17,017 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:11:17,017 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 18:11:17,017 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 18:11:17,018 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 18:11:17,018 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:11:17,018 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:11:17,019 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:11:17,019 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:11:17,021 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 18:11:17,021 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:11:17,022 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:11:17,022 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:11:17,024 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:11:17,024 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 18:11:17,024 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 18:11:17,037 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 18:11:17,039 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:11:17,041 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:11:17,041 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:11:17,041 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:11:17,042 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_7f79b67b-a1f4-48fa-b158-cc6004e7feb8/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f79b67b-a1f4-48fa-b158-cc6004e7feb8/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0af0877265b266886160d42374de55af1a43c1c68384cd2379014d827b094fa0 [2024-11-08 18:11:17,559 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:11:17,590 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:11:17,593 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:11:17,595 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:11:17,596 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:11:17,597 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f79b67b-a1f4-48fa-b158-cc6004e7feb8/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_18_bad.i Unable to find full path for "g++" [2024-11-08 18:11:20,022 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:11:20,481 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:11:20,481 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f79b67b-a1f4-48fa-b158-cc6004e7feb8/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_18_bad.i [2024-11-08 18:11:20,508 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f79b67b-a1f4-48fa-b158-cc6004e7feb8/bin/uautomizer-verify-jihMAELWvX/data/33186ad66/5e0b8779d9bf4d3bae8327b5543b0a0d/FLAGcd80f179a [2024-11-08 18:11:20,617 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f79b67b-a1f4-48fa-b158-cc6004e7feb8/bin/uautomizer-verify-jihMAELWvX/data/33186ad66/5e0b8779d9bf4d3bae8327b5543b0a0d [2024-11-08 18:11:20,621 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:11:20,623 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:11:20,624 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:11:20,625 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:11:20,634 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:11:20,634 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:11:20" (1/1) ... [2024-11-08 18:11:20,638 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38257982 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:11:20, skipping insertion in model container [2024-11-08 18:11:20,639 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:11:20" (1/1) ... [2024-11-08 18:11:20,723 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:11:22,146 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:11:22,160 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:11:22,273 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:11:22,444 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:11:22,445 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:11:22 WrapperNode [2024-11-08 18:11:22,445 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:11:22,446 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:11:22,447 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:11:22,447 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:11:22,457 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:11:22" (1/1) ... [2024-11-08 18:11:22,503 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:11:22" (1/1) ... [2024-11-08 18:11:22,561 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 45 [2024-11-08 18:11:22,562 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:11:22,564 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:11:22,565 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:11:22,566 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:11:22,580 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:11:22" (1/1) ... [2024-11-08 18:11:22,581 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:11:22" (1/1) ... [2024-11-08 18:11:22,589 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:11:22" (1/1) ... [2024-11-08 18:11:22,602 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-08 18:11:22,602 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:11:22" (1/1) ... [2024-11-08 18:11:22,603 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:11:22" (1/1) ... [2024-11-08 18:11:22,613 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:11:22" (1/1) ... [2024-11-08 18:11:22,615 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:11:22" (1/1) ... [2024-11-08 18:11:22,622 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:11:22" (1/1) ... [2024-11-08 18:11:22,627 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:11:22" (1/1) ... [2024-11-08 18:11:22,635 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:11:22,636 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:11:22,638 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:11:22,638 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:11:22,639 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:11:22" (1/1) ... [2024-11-08 18:11:22,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:11:22,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f79b67b-a1f4-48fa-b158-cc6004e7feb8/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:11:22,689 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f79b67b-a1f4-48fa-b158-cc6004e7feb8/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 18:11:22,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f79b67b-a1f4-48fa-b158-cc6004e7feb8/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 18:11:22,730 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 18:11:22,730 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 18:11:22,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:11:22,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:11:22,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:11:22,960 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:11:22,963 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:11:23,130 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-08 18:11:23,130 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:11:23,149 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:11:23,149 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 18:11:23,150 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:11:23 BoogieIcfgContainer [2024-11-08 18:11:23,151 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:11:23,155 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 18:11:23,155 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 18:11:23,159 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 18:11:23,159 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:11:20" (1/3) ... [2024-11-08 18:11:23,160 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7113767c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:11:23, skipping insertion in model container [2024-11-08 18:11:23,162 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:11:22" (2/3) ... [2024-11-08 18:11:23,162 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7113767c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:11:23, skipping insertion in model container [2024-11-08 18:11:23,164 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:11:23" (3/3) ... [2024-11-08 18:11:23,166 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_postdec_18_bad.i [2024-11-08 18:11:23,188 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 18:11:23,189 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 18:11:23,286 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 18:11:23,297 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;@11809f38, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 18:11:23,298 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 18:11:23,304 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.2) internal successors, (18), 17 states have internal predecessors, (18), 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) [2024-11-08 18:11:23,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 18:11:23,317 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:11:23,318 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:11:23,319 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 18:11:23,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:11:23,325 INFO L85 PathProgramCache]: Analyzing trace with hash 1176095353, now seen corresponding path program 1 times [2024-11-08 18:11:23,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:11:23,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [177365975] [2024-11-08 18:11:23,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:11:23,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:11:23,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f79b67b-a1f4-48fa-b158-cc6004e7feb8/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:11:23,351 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f79b67b-a1f4-48fa-b158-cc6004e7feb8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:11:23,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f79b67b-a1f4-48fa-b158-cc6004e7feb8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 18:11:23,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:11:23,481 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:11:23,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:11:23,538 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-08 18:11:23,540 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 18:11:23,542 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-08 18:11:23,544 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-08 18:11:23,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f79b67b-a1f4-48fa-b158-cc6004e7feb8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 18:11:23,749 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f79b67b-a1f4-48fa-b158-cc6004e7feb8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:11:23,753 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-08 18:11:23,798 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 18:11:23,806 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 06:11:23 BoogieIcfgContainer [2024-11-08 18:11:23,806 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 18:11:23,807 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 18:11:23,807 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 18:11:23,807 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 18:11:23,808 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:11:23" (3/4) ... [2024-11-08 18:11:23,813 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 18:11:23,815 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 18:11:23,816 INFO L158 Benchmark]: Toolchain (without parser) took 3193.65ms. Allocated memory was 73.4MB in the beginning and 102.8MB in the end (delta: 29.4MB). Free memory was 44.9MB in the beginning and 70.3MB in the end (delta: -25.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 18:11:23,817 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 73.4MB. Free memory was 49.5MB in the beginning and 49.4MB in the end (delta: 93.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:11:23,818 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1821.03ms. Allocated memory was 73.4MB in the beginning and 102.8MB in the end (delta: 29.4MB). Free memory was 44.9MB in the beginning and 48.0MB in the end (delta: -3.1MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2024-11-08 18:11:23,819 INFO L158 Benchmark]: Boogie Procedure Inliner took 115.82ms. Allocated memory is still 102.8MB. Free memory was 48.0MB in the beginning and 72.5MB in the end (delta: -24.5MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2024-11-08 18:11:23,820 INFO L158 Benchmark]: Boogie Preprocessor took 71.22ms. Allocated memory is still 102.8MB. Free memory was 72.5MB in the beginning and 69.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:11:23,822 INFO L158 Benchmark]: RCFGBuilder took 515.33ms. Allocated memory is still 102.8MB. Free memory was 69.9MB in the beginning and 57.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 18:11:23,823 INFO L158 Benchmark]: TraceAbstraction took 651.41ms. Allocated memory is still 102.8MB. Free memory was 56.3MB in the beginning and 71.0MB in the end (delta: -14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 18:11:23,824 INFO L158 Benchmark]: Witness Printer took 8.47ms. Allocated memory is still 102.8MB. Free memory was 71.0MB in the beginning and 70.3MB in the end (delta: 661.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:11:23,831 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 73.4MB. Free memory was 49.5MB in the beginning and 49.4MB in the end (delta: 93.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1821.03ms. Allocated memory was 73.4MB in the beginning and 102.8MB in the end (delta: 29.4MB). Free memory was 44.9MB in the beginning and 48.0MB in the end (delta: -3.1MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 115.82ms. Allocated memory is still 102.8MB. Free memory was 48.0MB in the beginning and 72.5MB in the end (delta: -24.5MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.22ms. Allocated memory is still 102.8MB. Free memory was 72.5MB in the beginning and 69.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 515.33ms. Allocated memory is still 102.8MB. Free memory was 69.9MB in the beginning and 57.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 651.41ms. Allocated memory is still 102.8MB. Free memory was 56.3MB in the beginning and 71.0MB in the end (delta: -14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 8.47ms. Allocated memory is still 102.8MB. Free memory was 71.0MB in the beginning and 70.3MB in the end (delta: 661.6kB). Peak memory consumption was 2.1MB. 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: 1558]: 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 1566. 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] [L1566] 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) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_min_postdec_18_bad() [L1550] int data; [L1551] data = 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] [L1554] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] 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: 1558]: 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: 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=21occurred 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, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 18:11:23,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f79b67b-a1f4-48fa-b158-cc6004e7feb8/bin/uautomizer-verify-jihMAELWvX/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