./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_21_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 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_cfcb9afc-9de3-4b74-9aa4-4796b1d0389d/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb9afc-9de3-4b74-9aa4-4796b1d0389d/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_cfcb9afc-9de3-4b74-9aa4-4796b1d0389d/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb9afc-9de3-4b74-9aa4-4796b1d0389d/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb9afc-9de3-4b74-9aa4-4796b1d0389d/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_cfcb9afc-9de3-4b74-9aa4-4796b1d0389d/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 674cb149f287377c7f66e5c4b6c52f643b741e339fa3a007c8d7b05a9acc5ce2 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:51:05,770 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:51:05,890 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb9afc-9de3-4b74-9aa4-4796b1d0389d/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-08 18:51:05,895 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:51:05,895 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:51:05,922 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:51:05,923 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:51:05,923 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:51:05,924 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:51:05,925 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:51:05,925 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:51:05,926 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:51:05,926 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:51:05,927 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:51:05,927 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:51:05,928 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:51:05,928 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 18:51:05,929 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 18:51:05,929 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:51:05,929 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 18:51:05,930 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:51:05,931 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 18:51:05,931 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:51:05,931 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 18:51:05,932 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 18:51:05,932 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:51:05,933 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:51:05,933 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:51:05,934 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:51:05,934 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 18:51:05,937 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:51:05,938 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:51:05,938 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:51:05,939 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:51:05,939 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 18:51:05,939 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 18:51:05,940 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 18:51:05,940 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:51:05,940 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:51:05,941 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:51:05,941 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:51:05,946 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_cfcb9afc-9de3-4b74-9aa4-4796b1d0389d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb9afc-9de3-4b74-9aa4-4796b1d0389d/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 674cb149f287377c7f66e5c4b6c52f643b741e339fa3a007c8d7b05a9acc5ce2 [2024-11-08 18:51:06,238 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:51:06,269 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:51:06,272 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:51:06,274 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:51:06,274 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:51:06,275 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb9afc-9de3-4b74-9aa4-4796b1d0389d/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_21_bad.i Unable to find full path for "g++" [2024-11-08 18:51:08,269 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:51:08,618 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:51:08,618 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb9afc-9de3-4b74-9aa4-4796b1d0389d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_21_bad.i [2024-11-08 18:51:08,656 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb9afc-9de3-4b74-9aa4-4796b1d0389d/bin/uautomizer-verify-jihMAELWvX/data/4b9c4a855/c0e850fe2efd4deba286d93565eb28e0/FLAG876d5bf7a [2024-11-08 18:51:08,857 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb9afc-9de3-4b74-9aa4-4796b1d0389d/bin/uautomizer-verify-jihMAELWvX/data/4b9c4a855/c0e850fe2efd4deba286d93565eb28e0 [2024-11-08 18:51:08,860 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:51:08,861 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:51:08,863 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:51:08,863 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:51:08,869 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:51:08,870 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:51:08" (1/1) ... [2024-11-08 18:51:08,871 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e61d8bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:08, skipping insertion in model container [2024-11-08 18:51:08,871 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:51:08" (1/1) ... [2024-11-08 18:51:08,931 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:51:09,956 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:51:09,967 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:51:10,078 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:51:10,259 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:51:10,260 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:10 WrapperNode [2024-11-08 18:51:10,261 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:51:10,262 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:51:10,263 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:51:10,263 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:51:10,273 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:10" (1/1) ... [2024-11-08 18:51:10,315 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:10" (1/1) ... [2024-11-08 18:51:10,352 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 44 [2024-11-08 18:51:10,353 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:51:10,354 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:51:10,355 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:51:10,355 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:51:10,368 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:10" (1/1) ... [2024-11-08 18:51:10,369 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:10" (1/1) ... [2024-11-08 18:51:10,371 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:10" (1/1) ... [2024-11-08 18:51:10,395 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-08 18:51:10,398 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:10" (1/1) ... [2024-11-08 18:51:10,398 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:10" (1/1) ... [2024-11-08 18:51:10,407 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:10" (1/1) ... [2024-11-08 18:51:10,413 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:10" (1/1) ... [2024-11-08 18:51:10,415 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:10" (1/1) ... [2024-11-08 18:51:10,419 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:10" (1/1) ... [2024-11-08 18:51:10,422 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:51:10,426 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:51:10,426 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:51:10,427 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:51:10,428 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:10" (1/1) ... [2024-11-08 18:51:10,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:51:10,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb9afc-9de3-4b74-9aa4-4796b1d0389d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:51:10,477 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb9afc-9de3-4b74-9aa4-4796b1d0389d/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 18:51:10,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb9afc-9de3-4b74-9aa4-4796b1d0389d/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 18:51:10,521 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 18:51:10,522 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 18:51:10,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:51:10,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:51:10,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:51:10,692 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:51:10,695 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:51:10,811 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-08 18:51:10,811 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:51:10,825 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:51:10,825 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 18:51:10,826 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:51:10 BoogieIcfgContainer [2024-11-08 18:51:10,826 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:51:10,830 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 18:51:10,831 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 18:51:10,835 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 18:51:10,835 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:51:08" (1/3) ... [2024-11-08 18:51:10,836 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e0342d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:51:10, skipping insertion in model container [2024-11-08 18:51:10,836 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:10" (2/3) ... [2024-11-08 18:51:10,836 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e0342d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:51:10, skipping insertion in model container [2024-11-08 18:51:10,838 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:51:10" (3/3) ... [2024-11-08 18:51:10,839 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_multiply_21_bad.i [2024-11-08 18:51:10,863 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 18:51:10,863 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 18:51:10,921 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 18:51:10,928 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;@58e383b3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 18:51:10,928 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 18:51:10,932 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.3125) internal successors, (21), 18 states have internal predecessors, (21), 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 18:51:10,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 18:51:10,939 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:51:10,939 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:51:10,940 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 18:51:10,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:51:10,946 INFO L85 PathProgramCache]: Analyzing trace with hash 2097187084, now seen corresponding path program 1 times [2024-11-08 18:51:10,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:51:10,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829512172] [2024-11-08 18:51:10,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:51:10,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:51:11,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:51:11,114 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:51:11,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:51:11,180 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:51:11,182 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 18:51:11,184 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-08 18:51:11,186 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-08 18:51:11,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 18:51:11,193 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-08 18:51:11,227 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 18:51:11,230 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 06:51:11 BoogieIcfgContainer [2024-11-08 18:51:11,231 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 18:51:11,233 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 18:51:11,233 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 18:51:11,233 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 18:51:11,234 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:51:10" (3/4) ... [2024-11-08 18:51:11,239 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 18:51:11,240 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 18:51:11,242 INFO L158 Benchmark]: Toolchain (without parser) took 2379.69ms. Allocated memory is still 148.9MB. Free memory was 109.9MB in the beginning and 69.4MB in the end (delta: 40.4MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. [2024-11-08 18:51:11,243 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 113.2MB. Free memory is still 88.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:51:11,244 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1398.31ms. Allocated memory is still 148.9MB. Free memory was 109.3MB in the beginning and 103.0MB in the end (delta: 6.3MB). Peak memory consumption was 64.1MB. Max. memory is 16.1GB. [2024-11-08 18:51:11,245 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.24ms. Allocated memory is still 148.9MB. Free memory was 103.0MB in the beginning and 100.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:51:11,246 INFO L158 Benchmark]: Boogie Preprocessor took 71.59ms. Allocated memory is still 148.9MB. Free memory was 100.2MB in the beginning and 98.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:51:11,247 INFO L158 Benchmark]: RCFGBuilder took 399.93ms. Allocated memory is still 148.9MB. Free memory was 98.1MB in the beginning and 86.2MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 18:51:11,247 INFO L158 Benchmark]: TraceAbstraction took 400.82ms. Allocated memory is still 148.9MB. Free memory was 85.6MB in the beginning and 69.4MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 18:51:11,248 INFO L158 Benchmark]: Witness Printer took 6.99ms. Allocated memory is still 148.9MB. Free memory is still 69.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:51:11,252 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 113.2MB. Free memory is still 88.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1398.31ms. Allocated memory is still 148.9MB. Free memory was 109.3MB in the beginning and 103.0MB in the end (delta: 6.3MB). Peak memory consumption was 64.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.24ms. Allocated memory is still 148.9MB. Free memory was 103.0MB in the beginning and 100.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.59ms. Allocated memory is still 148.9MB. Free memory was 100.2MB in the beginning and 98.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 399.93ms. Allocated memory is still 148.9MB. Free memory was 98.1MB in the beginning and 86.2MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 400.82ms. Allocated memory is still 148.9MB. Free memory was 85.6MB in the beginning and 69.4MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 6.99ms. Allocated memory is still 148.9MB. Free memory is still 69.4MB. 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 badStatic = 0; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_min_multiply_21_bad() [L1562] int data; [L1563] data = 0 [L1564] data = (-0x7fffffff - 1) [L1565] badStatic = 1 [L1566] CALL badSink(data) [L1551] COND TRUE \read(badStatic) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=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, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred 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 18:51:11,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb9afc-9de3-4b74-9aa4-4796b1d0389d/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 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_cfcb9afc-9de3-4b74-9aa4-4796b1d0389d/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb9afc-9de3-4b74-9aa4-4796b1d0389d/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_cfcb9afc-9de3-4b74-9aa4-4796b1d0389d/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb9afc-9de3-4b74-9aa4-4796b1d0389d/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb9afc-9de3-4b74-9aa4-4796b1d0389d/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_cfcb9afc-9de3-4b74-9aa4-4796b1d0389d/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 674cb149f287377c7f66e5c4b6c52f643b741e339fa3a007c8d7b05a9acc5ce2 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:51:13,927 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:51:14,022 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb9afc-9de3-4b74-9aa4-4796b1d0389d/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-08 18:51:14,028 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:51:14,028 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:51:14,029 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-08 18:51:14,068 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:51:14,069 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:51:14,069 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:51:14,070 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:51:14,071 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:51:14,071 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:51:14,072 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:51:14,074 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:51:14,075 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:51:14,075 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:51:14,076 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:51:14,076 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 18:51:14,081 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:51:14,081 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 18:51:14,081 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:51:14,082 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 18:51:14,082 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 18:51:14,082 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 18:51:14,083 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:51:14,083 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 18:51:14,083 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 18:51:14,083 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 18:51:14,084 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:51:14,084 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:51:14,084 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:51:14,085 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:51:14,085 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 18:51:14,085 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:51:14,086 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:51:14,086 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:51:14,086 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:51:14,086 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 18:51:14,087 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 18:51:14,087 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 18:51:14,087 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:51:14,087 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:51:14,088 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:51:14,088 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:51:14,088 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_cfcb9afc-9de3-4b74-9aa4-4796b1d0389d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb9afc-9de3-4b74-9aa4-4796b1d0389d/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 674cb149f287377c7f66e5c4b6c52f643b741e339fa3a007c8d7b05a9acc5ce2 [2024-11-08 18:51:14,547 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:51:14,576 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:51:14,581 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:51:14,582 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:51:14,583 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:51:14,584 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb9afc-9de3-4b74-9aa4-4796b1d0389d/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_21_bad.i Unable to find full path for "g++" [2024-11-08 18:51:16,891 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:51:17,301 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:51:17,302 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb9afc-9de3-4b74-9aa4-4796b1d0389d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_21_bad.i [2024-11-08 18:51:17,332 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb9afc-9de3-4b74-9aa4-4796b1d0389d/bin/uautomizer-verify-jihMAELWvX/data/79c245391/ceb3ad47b85d47ed8c3546cc3a8d4ae2/FLAG2f9d272a6 [2024-11-08 18:51:17,353 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb9afc-9de3-4b74-9aa4-4796b1d0389d/bin/uautomizer-verify-jihMAELWvX/data/79c245391/ceb3ad47b85d47ed8c3546cc3a8d4ae2 [2024-11-08 18:51:17,355 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:51:17,359 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:51:17,361 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:51:17,361 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:51:17,368 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:51:17,370 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:51:17" (1/1) ... [2024-11-08 18:51:17,371 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74df7b8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:17, skipping insertion in model container [2024-11-08 18:51:17,372 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:51:17" (1/1) ... [2024-11-08 18:51:17,446 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:51:18,569 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:51:18,586 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:51:18,716 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:51:18,882 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:51:18,882 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:18 WrapperNode [2024-11-08 18:51:18,883 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:51:18,884 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:51:18,884 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:51:18,884 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:51:18,896 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:18" (1/1) ... [2024-11-08 18:51:18,928 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:18" (1/1) ... [2024-11-08 18:51:18,950 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 44 [2024-11-08 18:51:18,951 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:51:18,952 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:51:18,952 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:51:18,952 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:51:18,963 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:18" (1/1) ... [2024-11-08 18:51:18,963 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:18" (1/1) ... [2024-11-08 18:51:18,966 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:18" (1/1) ... [2024-11-08 18:51:18,976 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-08 18:51:18,980 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:18" (1/1) ... [2024-11-08 18:51:18,981 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:18" (1/1) ... [2024-11-08 18:51:18,991 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:18" (1/1) ... [2024-11-08 18:51:18,994 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:18" (1/1) ... [2024-11-08 18:51:18,998 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:18" (1/1) ... [2024-11-08 18:51:19,000 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:18" (1/1) ... [2024-11-08 18:51:19,003 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:51:19,008 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:51:19,008 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:51:19,008 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:51:19,009 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:18" (1/1) ... [2024-11-08 18:51:19,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:51:19,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb9afc-9de3-4b74-9aa4-4796b1d0389d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:51:19,045 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb9afc-9de3-4b74-9aa4-4796b1d0389d/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 18:51:19,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb9afc-9de3-4b74-9aa4-4796b1d0389d/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 18:51:19,071 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 18:51:19,072 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 18:51:19,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:51:19,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:51:19,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:51:19,298 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:51:19,301 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:51:19,488 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-08 18:51:19,488 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:51:19,500 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:51:19,500 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 18:51:19,501 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:51:19 BoogieIcfgContainer [2024-11-08 18:51:19,501 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:51:19,503 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 18:51:19,503 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 18:51:19,507 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 18:51:19,507 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:51:17" (1/3) ... [2024-11-08 18:51:19,509 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5307ad5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:51:19, skipping insertion in model container [2024-11-08 18:51:19,509 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:18" (2/3) ... [2024-11-08 18:51:19,510 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5307ad5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:51:19, skipping insertion in model container [2024-11-08 18:51:19,510 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:51:19" (3/3) ... [2024-11-08 18:51:19,514 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_multiply_21_bad.i [2024-11-08 18:51:19,534 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 18:51:19,534 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 18:51:19,610 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 18:51:19,618 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;@750a0034, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 18:51:19,619 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 18:51:19,622 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.3125) internal successors, (21), 18 states have internal predecessors, (21), 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 18:51:19,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 18:51:19,630 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:51:19,630 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:51:19,631 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 18:51:19,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:51:19,637 INFO L85 PathProgramCache]: Analyzing trace with hash 2097187084, now seen corresponding path program 1 times [2024-11-08 18:51:19,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:51:19,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [40469092] [2024-11-08 18:51:19,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:51:19,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:51:19,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb9afc-9de3-4b74-9aa4-4796b1d0389d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:51:19,682 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb9afc-9de3-4b74-9aa4-4796b1d0389d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:51:19,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb9afc-9de3-4b74-9aa4-4796b1d0389d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 18:51:19,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:51:19,820 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:51:19,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:51:19,876 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-08 18:51:19,879 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 18:51:19,880 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-08 18:51:19,882 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-08 18:51:19,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb9afc-9de3-4b74-9aa4-4796b1d0389d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 18:51:20,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb9afc-9de3-4b74-9aa4-4796b1d0389d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:51:20,088 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-08 18:51:20,110 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 18:51:20,113 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 06:51:20 BoogieIcfgContainer [2024-11-08 18:51:20,113 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 18:51:20,114 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 18:51:20,114 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 18:51:20,114 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 18:51:20,114 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:51:19" (3/4) ... [2024-11-08 18:51:20,117 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 18:51:20,118 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 18:51:20,119 INFO L158 Benchmark]: Toolchain (without parser) took 2760.06ms. Allocated memory was 69.2MB in the beginning and 102.8MB in the end (delta: 33.6MB). Free memory was 37.7MB in the beginning and 64.5MB in the end (delta: -26.9MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2024-11-08 18:51:20,120 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 69.2MB. Free memory was 45.8MB in the beginning and 45.7MB in the end (delta: 85.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:51:20,120 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1521.78ms. Allocated memory was 69.2MB in the beginning and 102.8MB in the end (delta: 33.6MB). Free memory was 37.3MB in the beginning and 70.6MB in the end (delta: -33.3MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. [2024-11-08 18:51:20,121 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.45ms. Allocated memory is still 102.8MB. Free memory was 70.6MB in the beginning and 67.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:51:20,122 INFO L158 Benchmark]: Boogie Preprocessor took 51.37ms. Allocated memory is still 102.8MB. Free memory was 67.9MB in the beginning and 65.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:51:20,122 INFO L158 Benchmark]: RCFGBuilder took 493.18ms. Allocated memory is still 102.8MB. Free memory was 65.3MB in the beginning and 52.2MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 18:51:20,123 INFO L158 Benchmark]: TraceAbstraction took 610.00ms. Allocated memory is still 102.8MB. Free memory was 51.2MB in the beginning and 65.1MB in the end (delta: -13.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:51:20,124 INFO L158 Benchmark]: Witness Printer took 4.38ms. Allocated memory is still 102.8MB. Free memory was 65.1MB in the beginning and 64.5MB in the end (delta: 558.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:51:20,127 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 69.2MB. Free memory was 45.8MB in the beginning and 45.7MB in the end (delta: 85.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1521.78ms. Allocated memory was 69.2MB in the beginning and 102.8MB in the end (delta: 33.6MB). Free memory was 37.3MB in the beginning and 70.6MB in the end (delta: -33.3MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.45ms. Allocated memory is still 102.8MB. Free memory was 70.6MB in the beginning and 67.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.37ms. Allocated memory is still 102.8MB. Free memory was 67.9MB in the beginning and 65.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 493.18ms. Allocated memory is still 102.8MB. Free memory was 65.3MB in the beginning and 52.2MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 610.00ms. Allocated memory is still 102.8MB. Free memory was 51.2MB in the beginning and 65.1MB in the end (delta: -13.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.38ms. Allocated memory is still 102.8MB. Free memory was 65.1MB in the beginning and 64.5MB in the end (delta: 558.3kB). 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: 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 badStatic = 0; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_min_multiply_21_bad() [L1562] int data; [L1563] data = 0 [L1564] data = (-0x7fffffff - 1) [L1565] badStatic = 1 [L1566] CALL badSink(data) [L1551] COND TRUE \read(badStatic) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=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, 22 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=22occurred 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 18:51:20,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb9afc-9de3-4b74-9aa4-4796b1d0389d/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