./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_45_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12693b7e-022c-49ef-bac7-e958e5078be2/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12693b7e-022c-49ef-bac7-e958e5078be2/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_12693b7e-022c-49ef-bac7-e958e5078be2/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12693b7e-022c-49ef-bac7-e958e5078be2/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_45_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12693b7e-022c-49ef-bac7-e958e5078be2/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_12693b7e-022c-49ef-bac7-e958e5078be2/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 1c8ed27f68b16e041c8cb9fbbf51a30400fcec1407897de88d8149976d351f66 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:04:20,056 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:04:20,159 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12693b7e-022c-49ef-bac7-e958e5078be2/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-31 22:04:20,168 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:04:20,169 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:04:20,205 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:04:20,206 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:04:20,206 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:04:20,207 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:04:20,209 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:04:20,210 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:04:20,210 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:04:20,211 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:04:20,211 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:04:20,211 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:04:20,212 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:04:20,212 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:04:20,212 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:04:20,213 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:04:20,213 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:04:20,217 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:04:20,218 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:04:20,218 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:04:20,219 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-31 22:04:20,219 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:04:20,219 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:04:20,220 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:04:20,220 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:04:20,220 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:04:20,220 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:04:20,221 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:04:20,221 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:04:20,223 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:04:20,224 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:04:20,224 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:04:20,225 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:04:20,225 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:04:20,225 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:04:20,226 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:04:20,226 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:04:20,226 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:04:20,226 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_12693b7e-022c-49ef-bac7-e958e5078be2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12693b7e-022c-49ef-bac7-e958e5078be2/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c8ed27f68b16e041c8cb9fbbf51a30400fcec1407897de88d8149976d351f66 [2024-10-31 22:04:20,529 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:04:20,563 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:04:20,567 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:04:20,568 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:04:20,569 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:04:20,570 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12693b7e-022c-49ef-bac7-e958e5078be2/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_45_bad.i Unable to find full path for "g++" [2024-10-31 22:04:22,865 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:04:23,238 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:04:23,239 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12693b7e-022c-49ef-bac7-e958e5078be2/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_45_bad.i [2024-10-31 22:04:23,271 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12693b7e-022c-49ef-bac7-e958e5078be2/bin/uautomizer-verify-4GaUIPS5ZU/data/303059c7b/c1b6386df8e349ed934818c51d9bb85c/FLAG50c2b7558 [2024-10-31 22:04:23,292 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12693b7e-022c-49ef-bac7-e958e5078be2/bin/uautomizer-verify-4GaUIPS5ZU/data/303059c7b/c1b6386df8e349ed934818c51d9bb85c [2024-10-31 22:04:23,295 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:04:23,299 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:04:23,302 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:04:23,302 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:04:23,309 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:04:23,309 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:04:23" (1/1) ... [2024-10-31 22:04:23,311 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8ce9ecc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:23, skipping insertion in model container [2024-10-31 22:04:23,311 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:04:23" (1/1) ... [2024-10-31 22:04:23,378 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:04:24,562 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:04:24,578 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:04:24,715 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:04:24,880 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:04:24,881 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:24 WrapperNode [2024-10-31 22:04:24,881 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:04:24,882 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:04:24,883 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:04:24,883 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:04:24,892 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:24" (1/1) ... [2024-10-31 22:04:24,935 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:24" (1/1) ... [2024-10-31 22:04:24,970 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 47 [2024-10-31 22:04:24,971 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:04:24,971 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:04:24,972 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:04:24,972 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:04:24,983 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:24" (1/1) ... [2024-10-31 22:04:24,983 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:24" (1/1) ... [2024-10-31 22:04:24,985 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:24" (1/1) ... [2024-10-31 22:04:24,996 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-31 22:04:24,996 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:24" (1/1) ... [2024-10-31 22:04:24,997 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:24" (1/1) ... [2024-10-31 22:04:25,001 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:24" (1/1) ... [2024-10-31 22:04:25,002 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:24" (1/1) ... [2024-10-31 22:04:25,004 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:24" (1/1) ... [2024-10-31 22:04:25,005 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:24" (1/1) ... [2024-10-31 22:04:25,007 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:04:25,008 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:04:25,009 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:04:25,009 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:04:25,010 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:24" (1/1) ... [2024-10-31 22:04:25,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:04:25,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12693b7e-022c-49ef-bac7-e958e5078be2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:04:25,053 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12693b7e-022c-49ef-bac7-e958e5078be2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:04:25,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12693b7e-022c-49ef-bac7-e958e5078be2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:04:25,096 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-31 22:04:25,096 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-31 22:04:25,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:04:25,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:04:25,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:04:25,264 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:04:25,267 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:04:25,454 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-10-31 22:04:25,455 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:04:25,480 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:04:25,482 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 22:04:25,485 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:04:25 BoogieIcfgContainer [2024-10-31 22:04:25,486 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:04:25,494 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:04:25,494 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:04:25,500 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:04:25,500 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:04:23" (1/3) ... [2024-10-31 22:04:25,501 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d47d56c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:04:25, skipping insertion in model container [2024-10-31 22:04:25,501 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:24" (2/3) ... [2024-10-31 22:04:25,502 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d47d56c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:04:25, skipping insertion in model container [2024-10-31 22:04:25,502 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:04:25" (3/3) ... [2024-10-31 22:04:25,505 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_predec_45_bad.i [2024-10-31 22:04:25,526 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:04:25,527 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-31 22:04:25,631 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:04:25,640 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;@6168dba2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:04:25,640 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-31 22:04:25,645 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 16 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-31 22:04:25,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-31 22:04:25,655 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:04:25,656 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:04:25,656 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-31 22:04:25,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:04:25,667 INFO L85 PathProgramCache]: Analyzing trace with hash 1855260787, now seen corresponding path program 1 times [2024-10-31 22:04:25,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:04:25,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140666111] [2024-10-31 22:04:25,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:04:25,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:04:25,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:04:25,882 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:04:25,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:04:25,947 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:04:25,949 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 22:04:25,951 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-31 22:04:25,953 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-31 22:04:25,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:04:25,959 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-31 22:04:25,993 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:04:25,998 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:04:25 BoogieIcfgContainer [2024-10-31 22:04:25,998 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:04:25,999 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:04:26,000 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:04:26,001 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:04:26,002 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:04:25" (3/4) ... [2024-10-31 22:04:26,005 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 22:04:26,007 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:04:26,010 INFO L158 Benchmark]: Toolchain (without parser) took 2709.45ms. Allocated memory was 138.4MB in the beginning and 176.2MB in the end (delta: 37.7MB). Free memory was 99.9MB in the beginning and 126.7MB in the end (delta: -26.8MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2024-10-31 22:04:26,010 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 113.2MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:04:26,011 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1579.67ms. Allocated memory is still 138.4MB. Free memory was 99.9MB in the beginning and 53.0MB in the end (delta: 46.9MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2024-10-31 22:04:26,012 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.48ms. Allocated memory is still 138.4MB. Free memory was 53.0MB in the beginning and 50.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:04:26,013 INFO L158 Benchmark]: Boogie Preprocessor took 36.35ms. Allocated memory is still 138.4MB. Free memory was 50.0MB in the beginning and 48.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:04:26,014 INFO L158 Benchmark]: RCFGBuilder took 477.39ms. Allocated memory was 138.4MB in the beginning and 176.2MB in the end (delta: 37.7MB). Free memory was 48.3MB in the beginning and 144.5MB in the end (delta: -96.2MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2024-10-31 22:04:26,016 INFO L158 Benchmark]: TraceAbstraction took 504.76ms. Allocated memory is still 176.2MB. Free memory was 143.5MB in the beginning and 126.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-31 22:04:26,017 INFO L158 Benchmark]: Witness Printer took 7.66ms. Allocated memory is still 176.2MB. Free memory is still 126.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:04:26,022 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 113.2MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1579.67ms. Allocated memory is still 138.4MB. Free memory was 99.9MB in the beginning and 53.0MB in the end (delta: 46.9MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.48ms. Allocated memory is still 138.4MB. Free memory was 53.0MB in the beginning and 50.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.35ms. Allocated memory is still 138.4MB. Free memory was 50.0MB in the beginning and 48.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 477.39ms. Allocated memory was 138.4MB in the beginning and 176.2MB in the end (delta: 37.7MB). Free memory was 48.3MB in the beginning and 144.5MB in the end (delta: -96.2MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. * TraceAbstraction took 504.76ms. Allocated memory is still 176.2MB. Free memory was 143.5MB in the beginning and 126.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 7.66ms. Allocated memory is still 176.2MB. Free memory is still 126.7MB. 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: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1571. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int CWE191_Integer_Underflow__int_min_predec_45_badData; [L1549] static int CWE191_Integer_Underflow__int_min_predec_45_goodG2BData; [L1550] static int CWE191_Integer_Underflow__int_min_predec_45_goodB2GData; VAL [CWE191_Integer_Underflow__int_min_predec_45_badData=0, CWE191_Integer_Underflow__int_min_predec_45_goodB2GData=0, CWE191_Integer_Underflow__int_min_predec_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_min_predec_45_badData=0, CWE191_Integer_Underflow__int_min_predec_45_goodB2GData=0, CWE191_Integer_Underflow__int_min_predec_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_min_predec_45_badData=0, CWE191_Integer_Underflow__int_min_predec_45_goodB2GData=0, CWE191_Integer_Underflow__int_min_predec_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_min_predec_45_bad() [L1562] int data; [L1563] data = 0 [L1564] data = (-0x7fffffff - 1) [L1565] CWE191_Integer_Underflow__int_min_predec_45_badData = data [L1566] CALL badSink() [L1553] int data = CWE191_Integer_Underflow__int_min_predec_45_badData; VAL [CWE191_Integer_Underflow__int_min_predec_45_badData=-2147483648, CWE191_Integer_Underflow__int_min_predec_45_goodB2GData=0, CWE191_Integer_Underflow__int_min_predec_45_goodG2BData=0, 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] [L1555] --data VAL [CWE191_Integer_Underflow__int_min_predec_45_badData=-2147483648, CWE191_Integer_Underflow__int_min_predec_45_goodB2GData=0, CWE191_Integer_Underflow__int_min_predec_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 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=20occurred 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 22:04:26,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12693b7e-022c-49ef-bac7-e958e5078be2/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12693b7e-022c-49ef-bac7-e958e5078be2/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12693b7e-022c-49ef-bac7-e958e5078be2/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_12693b7e-022c-49ef-bac7-e958e5078be2/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12693b7e-022c-49ef-bac7-e958e5078be2/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_45_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12693b7e-022c-49ef-bac7-e958e5078be2/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_12693b7e-022c-49ef-bac7-e958e5078be2/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 1c8ed27f68b16e041c8cb9fbbf51a30400fcec1407897de88d8149976d351f66 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:04:28,544 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:04:28,614 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12693b7e-022c-49ef-bac7-e958e5078be2/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-10-31 22:04:28,625 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:04:28,625 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:04:28,626 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-10-31 22:04:28,667 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:04:28,669 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:04:28,670 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:04:28,672 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:04:28,672 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:04:28,673 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:04:28,673 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:04:28,674 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:04:28,675 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:04:28,675 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:04:28,676 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:04:28,676 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:04:28,677 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:04:28,677 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:04:28,677 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:04:28,682 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:04:28,682 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-31 22:04:28,682 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-31 22:04:28,686 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:04:28,687 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-31 22:04:28,687 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-31 22:04:28,688 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:04:28,688 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:04:28,688 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:04:28,692 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:04:28,693 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:04:28,693 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:04:28,694 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:04:28,694 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:04:28,694 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:04:28,695 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:04:28,695 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:04:28,695 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-31 22:04:28,695 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-31 22:04:28,696 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:04:28,717 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:04:28,717 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:04:28,717 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:04:28,718 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-31 22:04:28,718 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_12693b7e-022c-49ef-bac7-e958e5078be2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12693b7e-022c-49ef-bac7-e958e5078be2/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c8ed27f68b16e041c8cb9fbbf51a30400fcec1407897de88d8149976d351f66 [2024-10-31 22:04:29,269 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:04:29,302 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:04:29,305 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:04:29,307 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:04:29,308 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:04:29,311 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12693b7e-022c-49ef-bac7-e958e5078be2/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_45_bad.i Unable to find full path for "g++" [2024-10-31 22:04:31,317 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:04:31,717 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:04:31,718 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12693b7e-022c-49ef-bac7-e958e5078be2/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_45_bad.i [2024-10-31 22:04:31,738 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12693b7e-022c-49ef-bac7-e958e5078be2/bin/uautomizer-verify-4GaUIPS5ZU/data/2d575aaf1/979d110081b942fd8cee7584cdb69ef2/FLAGac91e182a [2024-10-31 22:04:31,754 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12693b7e-022c-49ef-bac7-e958e5078be2/bin/uautomizer-verify-4GaUIPS5ZU/data/2d575aaf1/979d110081b942fd8cee7584cdb69ef2 [2024-10-31 22:04:31,756 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:04:31,758 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:04:31,759 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:04:31,759 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:04:31,767 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:04:31,768 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:04:31" (1/1) ... [2024-10-31 22:04:31,769 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6496400d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:31, skipping insertion in model container [2024-10-31 22:04:31,769 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:04:31" (1/1) ... [2024-10-31 22:04:31,837 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:04:32,956 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:04:32,973 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:04:33,098 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:04:33,320 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:04:33,321 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:33 WrapperNode [2024-10-31 22:04:33,321 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:04:33,323 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:04:33,323 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:04:33,323 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:04:33,332 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:33" (1/1) ... [2024-10-31 22:04:33,372 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:33" (1/1) ... [2024-10-31 22:04:33,400 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 47 [2024-10-31 22:04:33,401 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:04:33,401 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:04:33,402 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:04:33,402 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:04:33,415 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:33" (1/1) ... [2024-10-31 22:04:33,415 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:33" (1/1) ... [2024-10-31 22:04:33,421 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:33" (1/1) ... [2024-10-31 22:04:33,436 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-31 22:04:33,437 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:33" (1/1) ... [2024-10-31 22:04:33,437 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:33" (1/1) ... [2024-10-31 22:04:33,444 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:33" (1/1) ... [2024-10-31 22:04:33,446 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:33" (1/1) ... [2024-10-31 22:04:33,449 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:33" (1/1) ... [2024-10-31 22:04:33,450 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:33" (1/1) ... [2024-10-31 22:04:33,454 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:04:33,455 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:04:33,455 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:04:33,456 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:04:33,457 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:33" (1/1) ... [2024-10-31 22:04:33,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:04:33,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12693b7e-022c-49ef-bac7-e958e5078be2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:04:33,493 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12693b7e-022c-49ef-bac7-e958e5078be2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:04:33,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12693b7e-022c-49ef-bac7-e958e5078be2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:04:33,519 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-31 22:04:33,519 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-31 22:04:33,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:04:33,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:04:33,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:04:33,741 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:04:33,744 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:04:33,924 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-10-31 22:04:33,924 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:04:33,938 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:04:33,938 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 22:04:33,938 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:04:33 BoogieIcfgContainer [2024-10-31 22:04:33,939 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:04:33,942 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:04:33,943 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:04:33,946 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:04:33,946 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:04:31" (1/3) ... [2024-10-31 22:04:33,947 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17d30a3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:04:33, skipping insertion in model container [2024-10-31 22:04:33,948 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:33" (2/3) ... [2024-10-31 22:04:33,948 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17d30a3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:04:33, skipping insertion in model container [2024-10-31 22:04:33,948 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:04:33" (3/3) ... [2024-10-31 22:04:33,950 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_predec_45_bad.i [2024-10-31 22:04:33,970 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:04:33,971 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-31 22:04:34,064 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:04:34,073 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;@60113090, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:04:34,073 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-31 22:04:34,078 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 16 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-31 22:04:34,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-31 22:04:34,087 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:04:34,088 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:04:34,088 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-31 22:04:34,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:04:34,095 INFO L85 PathProgramCache]: Analyzing trace with hash 1855260787, now seen corresponding path program 1 times [2024-10-31 22:04:34,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:04:34,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [193839509] [2024-10-31 22:04:34,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:04:34,111 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 22:04:34,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12693b7e-022c-49ef-bac7-e958e5078be2/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:04:34,115 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12693b7e-022c-49ef-bac7-e958e5078be2/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 22:04:34,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12693b7e-022c-49ef-bac7-e958e5078be2/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 22:04:34,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:04:34,270 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:04:34,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:04:34,350 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-10-31 22:04:34,353 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 22:04:34,355 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-31 22:04:34,357 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-31 22:04:34,364 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12693b7e-022c-49ef-bac7-e958e5078be2/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 22:04:34,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12693b7e-022c-49ef-bac7-e958e5078be2/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 22:04:34,569 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-31 22:04:34,617 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:04:34,621 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:04:34 BoogieIcfgContainer [2024-10-31 22:04:34,621 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:04:34,621 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:04:34,622 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:04:34,622 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:04:34,623 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:04:33" (3/4) ... [2024-10-31 22:04:34,626 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 22:04:34,627 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:04:34,629 INFO L158 Benchmark]: Toolchain (without parser) took 2871.04ms. Allocated memory was 83.9MB in the beginning and 102.8MB in the end (delta: 18.9MB). Free memory was 55.4MB in the beginning and 48.4MB in the end (delta: 7.0MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2024-10-31 22:04:34,629 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 83.9MB. Free memory is still 59.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:04:34,631 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1563.00ms. Allocated memory was 83.9MB in the beginning and 102.8MB in the end (delta: 18.9MB). Free memory was 55.4MB in the beginning and 53.4MB in the end (delta: 2.0MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. [2024-10-31 22:04:34,631 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.94ms. Allocated memory is still 102.8MB. Free memory was 53.4MB in the beginning and 50.4MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:04:34,633 INFO L158 Benchmark]: Boogie Preprocessor took 52.99ms. Allocated memory is still 102.8MB. Free memory was 50.4MB in the beginning and 47.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:04:34,634 INFO L158 Benchmark]: RCFGBuilder took 483.67ms. Allocated memory is still 102.8MB. Free memory was 47.7MB in the beginning and 65.2MB in the end (delta: -17.5MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2024-10-31 22:04:34,635 INFO L158 Benchmark]: TraceAbstraction took 678.46ms. Allocated memory is still 102.8MB. Free memory was 64.1MB in the beginning and 48.4MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-31 22:04:34,635 INFO L158 Benchmark]: Witness Printer took 6.11ms. Allocated memory is still 102.8MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:04:34,643 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 83.9MB. Free memory is still 59.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1563.00ms. Allocated memory was 83.9MB in the beginning and 102.8MB in the end (delta: 18.9MB). Free memory was 55.4MB in the beginning and 53.4MB in the end (delta: 2.0MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.94ms. Allocated memory is still 102.8MB. Free memory was 53.4MB in the beginning and 50.4MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.99ms. Allocated memory is still 102.8MB. Free memory was 50.4MB in the beginning and 47.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 483.67ms. Allocated memory is still 102.8MB. Free memory was 47.7MB in the beginning and 65.2MB in the end (delta: -17.5MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * TraceAbstraction took 678.46ms. Allocated memory is still 102.8MB. Free memory was 64.1MB in the beginning and 48.4MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 6.11ms. Allocated memory is still 102.8MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1571. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int CWE191_Integer_Underflow__int_min_predec_45_badData; [L1549] static int CWE191_Integer_Underflow__int_min_predec_45_goodG2BData; [L1550] static int CWE191_Integer_Underflow__int_min_predec_45_goodB2GData; VAL [CWE191_Integer_Underflow__int_min_predec_45_badData=0, CWE191_Integer_Underflow__int_min_predec_45_goodB2GData=0, CWE191_Integer_Underflow__int_min_predec_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_min_predec_45_badData=0, CWE191_Integer_Underflow__int_min_predec_45_goodB2GData=0, CWE191_Integer_Underflow__int_min_predec_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_min_predec_45_badData=0, CWE191_Integer_Underflow__int_min_predec_45_goodB2GData=0, CWE191_Integer_Underflow__int_min_predec_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_min_predec_45_bad() [L1562] int data; [L1563] data = 0 [L1564] data = (-0x7fffffff - 1) [L1565] CWE191_Integer_Underflow__int_min_predec_45_badData = data [L1566] CALL badSink() [L1553] int data = CWE191_Integer_Underflow__int_min_predec_45_badData; VAL [CWE191_Integer_Underflow__int_min_predec_45_badData=-2147483648, CWE191_Integer_Underflow__int_min_predec_45_goodB2GData=0, CWE191_Integer_Underflow__int_min_predec_45_goodG2BData=0, 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] [L1555] --data VAL [CWE191_Integer_Underflow__int_min_predec_45_badData=-2147483648, CWE191_Integer_Underflow__int_min_predec_45_goodB2GData=0, CWE191_Integer_Underflow__int_min_predec_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 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=20occurred 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 22:04:34,681 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12693b7e-022c-49ef-bac7-e958e5078be2/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