./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_63_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_e9a8cc40-4abe-449a-ba19-e098a2d76483/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9a8cc40-4abe-449a-ba19-e098a2d76483/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9a8cc40-4abe-449a-ba19-e098a2d76483/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9a8cc40-4abe-449a-ba19-e098a2d76483/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9a8cc40-4abe-449a-ba19-e098a2d76483/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9a8cc40-4abe-449a-ba19-e098a2d76483/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1ffa89a28d5c9608a9ff12df3c68c40e5ae792dd3018def94946705301d13695 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:29:05,254 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:29:05,355 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9a8cc40-4abe-449a-ba19-e098a2d76483/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-64bit-Taipan_Default.epf [2024-11-09 06:29:05,363 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:29:05,364 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:29:05,400 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:29:05,401 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:29:05,401 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:29:05,402 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:29:05,406 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:29:05,406 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:29:05,406 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:29:05,407 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:29:05,410 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:29:05,411 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:29:05,411 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:29:05,412 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:29:05,412 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:29:05,412 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:29:05,413 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:29:05,413 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:29:05,417 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:29:05,418 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:29:05,418 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:29:05,419 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:29:05,419 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:29:05,419 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:29:05,419 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:29:05,420 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:29:05,420 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:29:05,420 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 06:29:05,421 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 06:29:05,421 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:29:05,422 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:29:05,423 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:29:05,423 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:29:05,424 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:29:05,424 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:29:05,426 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:29:05,426 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:29:05,426 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:29:05,427 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:29:05,427 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:29:05,427 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:29:05,428 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:29:05,428 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:29:05,428 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9a8cc40-4abe-449a-ba19-e098a2d76483/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9a8cc40-4abe-449a-ba19-e098a2d76483/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ffa89a28d5c9608a9ff12df3c68c40e5ae792dd3018def94946705301d13695 [2024-11-09 06:29:05,708 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:29:05,741 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:29:05,744 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:29:05,745 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:29:05,747 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:29:05,748 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9a8cc40-4abe-449a-ba19-e098a2d76483/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_63_bad.i Unable to find full path for "g++" [2024-11-09 06:29:07,784 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:29:08,184 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:29:08,185 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9a8cc40-4abe-449a-ba19-e098a2d76483/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_63_bad.i [2024-11-09 06:29:08,209 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9a8cc40-4abe-449a-ba19-e098a2d76483/bin/utaipan-verify-YMUCfTKeje/data/02bd443d0/0bde1f66fe7b43c3a79de3a0f7cbdbda/FLAG3ee572634 [2024-11-09 06:29:08,359 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9a8cc40-4abe-449a-ba19-e098a2d76483/bin/utaipan-verify-YMUCfTKeje/data/02bd443d0/0bde1f66fe7b43c3a79de3a0f7cbdbda [2024-11-09 06:29:08,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:29:08,364 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:29:08,365 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:29:08,366 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:29:08,372 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:29:08,373 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:29:08" (1/1) ... [2024-11-09 06:29:08,374 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35e9914e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:29:08, skipping insertion in model container [2024-11-09 06:29:08,374 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:29:08" (1/1) ... [2024-11-09 06:29:08,442 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:29:09,587 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:29:09,597 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:29:09,697 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:29:09,965 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:29:09,966 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:29:09 WrapperNode [2024-11-09 06:29:09,969 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:29:09,970 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:29:09,971 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:29:09,971 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:29:09,979 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:29:09" (1/1) ... [2024-11-09 06:29:10,003 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:29:09" (1/1) ... [2024-11-09 06:29:10,027 INFO L138 Inliner]: procedures = 498, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 48 [2024-11-09 06:29:10,028 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:29:10,029 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:29:10,029 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:29:10,029 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:29:10,039 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:29:09" (1/1) ... [2024-11-09 06:29:10,039 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:29:09" (1/1) ... [2024-11-09 06:29:10,044 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:29:09" (1/1) ... [2024-11-09 06:29:10,044 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:29:09" (1/1) ... [2024-11-09 06:29:10,050 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:29:09" (1/1) ... [2024-11-09 06:29:10,052 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:29:09" (1/1) ... [2024-11-09 06:29:10,054 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:29:09" (1/1) ... [2024-11-09 06:29:10,055 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:29:09" (1/1) ... [2024-11-09 06:29:10,058 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:29:10,059 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:29:10,059 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:29:10,059 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:29:10,060 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:29:09" (1/1) ... [2024-11-09 06:29:10,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:29:10,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9a8cc40-4abe-449a-ba19-e098a2d76483/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:29:10,096 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9a8cc40-4abe-449a-ba19-e098a2d76483/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:29:10,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9a8cc40-4abe-449a-ba19-e098a2d76483/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:29:10,145 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 06:29:10,145 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 06:29:10,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 06:29:10,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 06:29:10,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:29:10,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:29:10,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:29:10,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 06:29:10,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 06:29:10,303 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:29:10,305 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:29:10,450 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-09 06:29:10,451 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:29:10,496 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:29:10,496 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 06:29:10,497 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:29:10 BoogieIcfgContainer [2024-11-09 06:29:10,497 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:29:10,504 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:29:10,504 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:29:10,508 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:29:10,508 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:29:08" (1/3) ... [2024-11-09 06:29:10,509 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67ff3fe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:29:10, skipping insertion in model container [2024-11-09 06:29:10,509 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:29:09" (2/3) ... [2024-11-09 06:29:10,510 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67ff3fe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:29:10, skipping insertion in model container [2024-11-09 06:29:10,510 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:29:10" (3/3) ... [2024-11-09 06:29:10,511 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_predec_63_bad.i [2024-11-09 06:29:10,532 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:29:10,532 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 06:29:10,588 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:29:10,595 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2642100c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:29:10,596 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-09 06:29:10,601 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 8 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 06:29:10,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 06:29:10,611 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:29:10,612 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-09 06:29:10,613 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 06:29:10,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:29:10,621 INFO L85 PathProgramCache]: Analyzing trace with hash 1830714995, now seen corresponding path program 1 times [2024-11-09 06:29:10,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:29:10,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529653280] [2024-11-09 06:29:10,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:29:10,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:29:10,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:29:10,855 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 06:29:10,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:29:10,933 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 06:29:10,936 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 06:29:10,937 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-09 06:29:10,940 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-09 06:29:10,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 06:29:10,946 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 06:29:10,982 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 06:29:10,985 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:29:10 BoogieIcfgContainer [2024-11-09 06:29:10,985 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 06:29:10,986 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 06:29:10,986 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 06:29:10,986 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 06:29:10,988 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:29:10" (3/4) ... [2024-11-09 06:29:10,991 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 06:29:10,992 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 06:29:10,994 INFO L158 Benchmark]: Toolchain (without parser) took 2629.32ms. Allocated memory is still 148.9MB. Free memory was 113.4MB in the beginning and 62.0MB in the end (delta: 51.5MB). Peak memory consumption was 51.3MB. Max. memory is 16.1GB. [2024-11-09 06:29:10,995 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 104.9MB. Free memory is still 57.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:29:10,996 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1604.36ms. Allocated memory is still 148.9MB. Free memory was 113.4MB in the beginning and 99.0MB in the end (delta: 14.5MB). Peak memory consumption was 57.6MB. Max. memory is 16.1GB. [2024-11-09 06:29:10,997 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.97ms. Allocated memory is still 148.9MB. Free memory was 99.0MB in the beginning and 96.2MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 06:29:10,997 INFO L158 Benchmark]: Boogie Preprocessor took 29.38ms. Allocated memory is still 148.9MB. Free memory was 96.2MB in the beginning and 94.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:29:10,998 INFO L158 Benchmark]: RCFGBuilder took 438.43ms. Allocated memory is still 148.9MB. Free memory was 94.8MB in the beginning and 80.2MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 06:29:10,999 INFO L158 Benchmark]: TraceAbstraction took 481.60ms. Allocated memory is still 148.9MB. Free memory was 79.4MB in the beginning and 62.0MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 06:29:11,000 INFO L158 Benchmark]: Witness Printer took 6.14ms. Allocated memory is still 148.9MB. Free memory is still 62.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:29:11,007 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 104.9MB. Free memory is still 57.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1604.36ms. Allocated memory is still 148.9MB. Free memory was 113.4MB in the beginning and 99.0MB in the end (delta: 14.5MB). Peak memory consumption was 57.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.97ms. Allocated memory is still 148.9MB. Free memory was 99.0MB in the beginning and 96.2MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.38ms. Allocated memory is still 148.9MB. Free memory was 96.2MB in the beginning and 94.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 438.43ms. Allocated memory is still 148.9MB. Free memory was 94.8MB in the beginning and 80.2MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 481.60ms. Allocated memory is still 148.9MB. Free memory was 79.4MB in the beginning and 62.0MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 6.14ms. Allocated memory is still 148.9MB. Free memory is still 62.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1568]: 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 1559. 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); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_min_predec_63_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_predec_63b_badSink(&data) [L1566] EXPR \read(*dataPtr) [L1566] int data = *dataPtr; [L1568] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1568]: 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, 12 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=12occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 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 [2024-11-09 06:29:11,057 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9a8cc40-4abe-449a-ba19-e098a2d76483/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9a8cc40-4abe-449a-ba19-e098a2d76483/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9a8cc40-4abe-449a-ba19-e098a2d76483/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9a8cc40-4abe-449a-ba19-e098a2d76483/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9a8cc40-4abe-449a-ba19-e098a2d76483/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9a8cc40-4abe-449a-ba19-e098a2d76483/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9a8cc40-4abe-449a-ba19-e098a2d76483/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1ffa89a28d5c9608a9ff12df3c68c40e5ae792dd3018def94946705301d13695 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:29:13,584 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:29:13,710 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9a8cc40-4abe-449a-ba19-e098a2d76483/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2024-11-09 06:29:13,718 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:29:13,718 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:29:13,761 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:29:13,762 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:29:13,762 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:29:13,764 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:29:13,766 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:29:13,766 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:29:13,766 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:29:13,767 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:29:13,767 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:29:13,769 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:29:13,770 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:29:13,771 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:29:13,772 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:29:13,772 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:29:13,772 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:29:13,773 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:29:13,777 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:29:13,777 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 06:29:13,777 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 06:29:13,778 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:29:13,778 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 06:29:13,778 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 06:29:13,779 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 06:29:13,779 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:29:13,779 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:29:13,780 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:29:13,780 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 06:29:13,781 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:29:13,781 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:29:13,781 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:29:13,782 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:29:13,782 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:29:13,782 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:29:13,783 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 06:29:13,783 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 06:29:13,783 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:29:13,785 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:29:13,785 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9a8cc40-4abe-449a-ba19-e098a2d76483/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9a8cc40-4abe-449a-ba19-e098a2d76483/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ffa89a28d5c9608a9ff12df3c68c40e5ae792dd3018def94946705301d13695 [2024-11-09 06:29:14,186 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:29:14,225 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:29:14,228 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:29:14,229 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:29:14,232 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:29:14,233 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9a8cc40-4abe-449a-ba19-e098a2d76483/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_63_bad.i Unable to find full path for "g++" [2024-11-09 06:29:16,660 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:29:17,131 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:29:17,132 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9a8cc40-4abe-449a-ba19-e098a2d76483/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_63_bad.i [2024-11-09 06:29:17,168 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9a8cc40-4abe-449a-ba19-e098a2d76483/bin/utaipan-verify-YMUCfTKeje/data/7fade0688/c40ba26ec64048fbbeb9e8c369595207/FLAGee02c1e52 [2024-11-09 06:29:17,194 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9a8cc40-4abe-449a-ba19-e098a2d76483/bin/utaipan-verify-YMUCfTKeje/data/7fade0688/c40ba26ec64048fbbeb9e8c369595207 [2024-11-09 06:29:17,200 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:29:17,203 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:29:17,205 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:29:17,205 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:29:17,212 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:29:17,213 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:29:17" (1/1) ... [2024-11-09 06:29:17,216 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f3c3310 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:29:17, skipping insertion in model container [2024-11-09 06:29:17,217 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:29:17" (1/1) ... [2024-11-09 06:29:17,298 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:29:18,606 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:29:18,621 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:29:18,809 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:29:18,927 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:29:18,927 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:29:18 WrapperNode [2024-11-09 06:29:18,928 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:29:18,929 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:29:18,929 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:29:18,929 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:29:18,943 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:29:18" (1/1) ... [2024-11-09 06:29:18,984 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:29:18" (1/1) ... [2024-11-09 06:29:19,015 INFO L138 Inliner]: procedures = 503, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 48 [2024-11-09 06:29:19,016 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:29:19,019 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:29:19,020 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:29:19,020 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:29:19,035 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:29:18" (1/1) ... [2024-11-09 06:29:19,035 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:29:18" (1/1) ... [2024-11-09 06:29:19,044 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:29:18" (1/1) ... [2024-11-09 06:29:19,044 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:29:18" (1/1) ... [2024-11-09 06:29:19,065 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:29:18" (1/1) ... [2024-11-09 06:29:19,067 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:29:18" (1/1) ... [2024-11-09 06:29:19,072 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:29:18" (1/1) ... [2024-11-09 06:29:19,075 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:29:18" (1/1) ... [2024-11-09 06:29:19,079 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:29:19,080 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:29:19,080 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:29:19,080 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:29:19,081 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:29:18" (1/1) ... [2024-11-09 06:29:19,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:29:19,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9a8cc40-4abe-449a-ba19-e098a2d76483/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:29:19,113 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9a8cc40-4abe-449a-ba19-e098a2d76483/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:29:19,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9a8cc40-4abe-449a-ba19-e098a2d76483/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:29:19,154 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 06:29:19,154 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 06:29:19,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 06:29:19,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:29:19,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:29:19,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:29:19,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-09 06:29:19,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 06:29:19,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-09 06:29:19,369 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:29:19,371 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:29:19,578 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-09 06:29:19,578 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:29:19,594 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:29:19,594 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 06:29:19,595 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:29:19 BoogieIcfgContainer [2024-11-09 06:29:19,595 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:29:19,598 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:29:19,598 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:29:19,602 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:29:19,602 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:29:17" (1/3) ... [2024-11-09 06:29:19,603 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@482e5a92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:29:19, skipping insertion in model container [2024-11-09 06:29:19,604 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:29:18" (2/3) ... [2024-11-09 06:29:19,604 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@482e5a92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:29:19, skipping insertion in model container [2024-11-09 06:29:19,606 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:29:19" (3/3) ... [2024-11-09 06:29:19,607 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_predec_63_bad.i [2024-11-09 06:29:19,629 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:29:19,629 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 06:29:19,719 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:29:19,726 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1814728a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:29:19,728 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-09 06:29:19,732 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) [2024-11-09 06:29:19,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 06:29:19,741 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:29:19,741 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:29:19,742 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 06:29:19,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:29:19,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1855260787, now seen corresponding path program 1 times [2024-11-09 06:29:19,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:29:19,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2088967386] [2024-11-09 06:29:19,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:29:19,764 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:29:19,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9a8cc40-4abe-449a-ba19-e098a2d76483/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:29:19,766 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9a8cc40-4abe-449a-ba19-e098a2d76483/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:29:19,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9a8cc40-4abe-449a-ba19-e098a2d76483/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-09 06:29:19,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:29:19,968 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 06:29:20,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:29:20,063 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2024-11-09 06:29:20,065 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 06:29:20,067 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-09 06:29:20,069 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-09 06:29:20,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9a8cc40-4abe-449a-ba19-e098a2d76483/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-09 06:29:20,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9a8cc40-4abe-449a-ba19-e098a2d76483/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:29:20,278 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 06:29:20,299 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 06:29:20,304 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:29:20 BoogieIcfgContainer [2024-11-09 06:29:20,305 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 06:29:20,305 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 06:29:20,306 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 06:29:20,306 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 06:29:20,306 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:29:19" (3/4) ... [2024-11-09 06:29:20,309 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 06:29:20,310 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 06:29:20,311 INFO L158 Benchmark]: Toolchain (without parser) took 3108.38ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 66.7MB in the end (delta: 22.6MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2024-11-09 06:29:20,311 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 65.0MB. Free memory was 40.6MB in the beginning and 40.5MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:29:20,312 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1723.03ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 53.7MB in the end (delta: 35.2MB). Peak memory consumption was 37.3MB. Max. memory is 16.1GB. [2024-11-09 06:29:20,313 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.10ms. Allocated memory is still 117.4MB. Free memory was 53.7MB in the beginning and 51.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:29:20,313 INFO L158 Benchmark]: Boogie Preprocessor took 59.68ms. Allocated memory is still 117.4MB. Free memory was 51.0MB in the beginning and 48.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:29:20,314 INFO L158 Benchmark]: RCFGBuilder took 515.13ms. Allocated memory is still 117.4MB. Free memory was 48.9MB in the beginning and 85.6MB in the end (delta: -36.7MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2024-11-09 06:29:20,315 INFO L158 Benchmark]: TraceAbstraction took 707.00ms. Allocated memory is still 117.4MB. Free memory was 84.8MB in the beginning and 67.5MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 06:29:20,315 INFO L158 Benchmark]: Witness Printer took 4.32ms. Allocated memory is still 117.4MB. Free memory was 67.5MB in the beginning and 66.7MB in the end (delta: 760.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:29:20,319 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 65.0MB. Free memory was 40.6MB in the beginning and 40.5MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1723.03ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 53.7MB in the end (delta: 35.2MB). Peak memory consumption was 37.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.10ms. Allocated memory is still 117.4MB. Free memory was 53.7MB in the beginning and 51.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.68ms. Allocated memory is still 117.4MB. Free memory was 51.0MB in the beginning and 48.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 515.13ms. Allocated memory is still 117.4MB. Free memory was 48.9MB in the beginning and 85.6MB in the end (delta: -36.7MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. * TraceAbstraction took 707.00ms. Allocated memory is still 117.4MB. Free memory was 84.8MB in the beginning and 67.5MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.32ms. Allocated memory is still 117.4MB. Free memory was 67.5MB in the beginning and 66.7MB in the end (delta: 760.0kB). 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: 1568]: 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 1559. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_min_predec_63_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_predec_63b_badSink(&data) [L1566] EXPR \read(*dataPtr) [L1566] int data = *dataPtr; [L1568] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1568]: 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: 0.6s, 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, 0.1s 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 [2024-11-09 06:29:20,360 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9a8cc40-4abe-449a-ba19-e098a2d76483/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample