./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_64_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c799c1-7395-4388-bcb8-a5ec08f973ba/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c799c1-7395-4388-bcb8-a5ec08f973ba/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c799c1-7395-4388-bcb8-a5ec08f973ba/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c799c1-7395-4388-bcb8-a5ec08f973ba/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_64_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c799c1-7395-4388-bcb8-a5ec08f973ba/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c799c1-7395-4388-bcb8-a5ec08f973ba/bin/uautomizer-verify-4GaUIPS5ZU --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2de6f41c15ad3c18f0d46a4b36709af421ecbb35b8df35bb2f78ce85ba67fca1 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 21:56:04,366 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 21:56:04,437 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c799c1-7395-4388-bcb8-a5ec08f973ba/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-31 21:56:04,442 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 21:56:04,443 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 21:56:04,474 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 21:56:04,474 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 21:56:04,477 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 21:56:04,478 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 21:56:04,480 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 21:56:04,480 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 21:56:04,480 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 21:56:04,481 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 21:56:04,482 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 21:56:04,482 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 21:56:04,482 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 21:56:04,483 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 21:56:04,483 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 21:56:04,483 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 21:56:04,484 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 21:56:04,484 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 21:56:04,490 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 21:56:04,490 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 21:56:04,491 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-31 21:56:04,491 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 21:56:04,491 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 21:56:04,492 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 21:56:04,493 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 21:56:04,494 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 21:56:04,494 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 21:56:04,495 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 21:56:04,495 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:56:04,496 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 21:56:04,496 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 21:56:04,496 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 21:56:04,496 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 21:56:04,496 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 21:56:04,497 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 21:56:04,497 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 21:56:04,497 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 21:56:04,497 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 21:56:04,498 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_c1c799c1-7395-4388-bcb8-a5ec08f973ba/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c799c1-7395-4388-bcb8-a5ec08f973ba/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2de6f41c15ad3c18f0d46a4b36709af421ecbb35b8df35bb2f78ce85ba67fca1 [2024-10-31 21:56:04,786 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 21:56:04,821 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 21:56:04,824 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 21:56:04,826 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 21:56:04,827 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 21:56:04,828 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c799c1-7395-4388-bcb8-a5ec08f973ba/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_64_bad.i Unable to find full path for "g++" [2024-10-31 21:56:07,025 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 21:56:07,410 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 21:56:07,410 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c799c1-7395-4388-bcb8-a5ec08f973ba/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_64_bad.i [2024-10-31 21:56:07,451 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c799c1-7395-4388-bcb8-a5ec08f973ba/bin/uautomizer-verify-4GaUIPS5ZU/data/fa9e34c41/82a817308d00402eb689b3b872ef0893/FLAG26a437624 [2024-10-31 21:56:07,471 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c799c1-7395-4388-bcb8-a5ec08f973ba/bin/uautomizer-verify-4GaUIPS5ZU/data/fa9e34c41/82a817308d00402eb689b3b872ef0893 [2024-10-31 21:56:07,474 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 21:56:07,478 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 21:56:07,481 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 21:56:07,482 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 21:56:07,488 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 21:56:07,490 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:56:07" (1/1) ... [2024-10-31 21:56:07,491 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d4604f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:07, skipping insertion in model container [2024-10-31 21:56:07,493 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:56:07" (1/1) ... [2024-10-31 21:56:07,572 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 21:56:08,573 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:56:08,591 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 21:56:08,703 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:56:08,892 INFO L204 MainTranslator]: Completed translation [2024-10-31 21:56:08,893 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:08 WrapperNode [2024-10-31 21:56:08,893 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 21:56:08,894 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 21:56:08,894 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 21:56:08,894 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 21:56:08,903 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:08" (1/1) ... [2024-10-31 21:56:08,944 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:08" (1/1) ... [2024-10-31 21:56:08,982 INFO L138 Inliner]: procedures = 498, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 50 [2024-10-31 21:56:08,983 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 21:56:08,985 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 21:56:08,985 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 21:56:08,985 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 21:56:08,999 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:08" (1/1) ... [2024-10-31 21:56:09,000 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:08" (1/1) ... [2024-10-31 21:56:09,005 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:08" (1/1) ... [2024-10-31 21:56:09,037 INFO L175 MemorySlicer]: Split 3 memory accesses to 1 slices as follows [3]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 2 writes are split as follows [2]. [2024-10-31 21:56:09,037 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:08" (1/1) ... [2024-10-31 21:56:09,037 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:08" (1/1) ... [2024-10-31 21:56:09,046 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:08" (1/1) ... [2024-10-31 21:56:09,051 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:08" (1/1) ... [2024-10-31 21:56:09,053 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:08" (1/1) ... [2024-10-31 21:56:09,058 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:08" (1/1) ... [2024-10-31 21:56:09,060 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 21:56:09,064 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 21:56:09,064 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 21:56:09,065 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 21:56:09,066 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:08" (1/1) ... [2024-10-31 21:56:09,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:56:09,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c799c1-7395-4388-bcb8-a5ec08f973ba/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:09,105 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c799c1-7395-4388-bcb8-a5ec08f973ba/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:09,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c799c1-7395-4388-bcb8-a5ec08f973ba/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 21:56:09,146 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-31 21:56:09,147 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-31 21:56:09,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 21:56:09,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 21:56:09,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 21:56:09,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 21:56:09,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 21:56:09,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 21:56:09,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 21:56:09,312 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 21:56:09,315 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 21:56:09,456 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-10-31 21:56:09,456 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 21:56:09,468 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 21:56:09,469 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 21:56:09,472 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:56:09 BoogieIcfgContainer [2024-10-31 21:56:09,472 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 21:56:09,475 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 21:56:09,477 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 21:56:09,481 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 21:56:09,481 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 09:56:07" (1/3) ... [2024-10-31 21:56:09,482 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@509bf850 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:56:09, skipping insertion in model container [2024-10-31 21:56:09,484 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:08" (2/3) ... [2024-10-31 21:56:09,485 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@509bf850 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:56:09, skipping insertion in model container [2024-10-31 21:56:09,485 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:56:09" (3/3) ... [2024-10-31 21:56:09,486 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_sub_64_bad.i [2024-10-31 21:56:09,508 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 21:56:09,509 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-31 21:56:09,577 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 21:56:09,584 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;@4ea2e909, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 21:56:09,584 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-31 21:56:09,589 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 16 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-31 21:56:09,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-31 21:56:09,597 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:56:09,598 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:09,599 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-31 21:56:09,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:09,605 INFO L85 PathProgramCache]: Analyzing trace with hash 1855260787, now seen corresponding path program 1 times [2024-10-31 21:56:09,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:09,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117770875] [2024-10-31 21:56:09,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:09,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:09,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:09,807 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:09,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:09,870 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:09,872 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 21:56:09,873 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-31 21:56:09,876 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-31 21:56:09,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 21:56:09,881 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-31 21:56:09,909 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 21:56:09,914 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 09:56:09 BoogieIcfgContainer [2024-10-31 21:56:09,914 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 21:56:09,915 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 21:56:09,915 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 21:56:09,915 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 21:56:09,916 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:56:09" (3/4) ... [2024-10-31 21:56:09,921 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 21:56:09,922 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 21:56:09,923 INFO L158 Benchmark]: Toolchain (without parser) took 2445.61ms. Allocated memory is still 186.6MB. Free memory was 144.4MB in the beginning and 113.9MB in the end (delta: 30.5MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. [2024-10-31 21:56:09,924 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 130.0MB. Free memory was 76.3MB in the beginning and 76.1MB in the end (delta: 179.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 21:56:09,925 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1412.86ms. Allocated memory is still 186.6MB. Free memory was 144.4MB in the beginning and 151.3MB in the end (delta: -6.9MB). Peak memory consumption was 74.8MB. Max. memory is 16.1GB. [2024-10-31 21:56:09,926 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.26ms. Allocated memory is still 186.6MB. Free memory was 150.4MB in the beginning and 148.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 21:56:09,927 INFO L158 Benchmark]: Boogie Preprocessor took 78.54ms. Allocated memory is still 186.6MB. Free memory was 148.3MB in the beginning and 146.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 21:56:09,928 INFO L158 Benchmark]: RCFGBuilder took 408.03ms. Allocated memory is still 186.6MB. Free memory was 145.3MB in the beginning and 132.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-31 21:56:09,930 INFO L158 Benchmark]: TraceAbstraction took 439.59ms. Allocated memory is still 186.6MB. Free memory was 131.9MB in the beginning and 113.9MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-31 21:56:09,930 INFO L158 Benchmark]: Witness Printer took 7.38ms. Allocated memory is still 186.6MB. Free memory was 113.9MB in the beginning and 113.9MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 21:56:09,935 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 130.0MB. Free memory was 76.3MB in the beginning and 76.1MB in the end (delta: 179.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1412.86ms. Allocated memory is still 186.6MB. Free memory was 144.4MB in the beginning and 151.3MB in the end (delta: -6.9MB). Peak memory consumption was 74.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.26ms. Allocated memory is still 186.6MB. Free memory was 150.4MB in the beginning and 148.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.54ms. Allocated memory is still 186.6MB. Free memory was 148.3MB in the beginning and 146.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 408.03ms. Allocated memory is still 186.6MB. Free memory was 145.3MB in the beginning and 132.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 439.59ms. Allocated memory is still 186.6MB. Free memory was 131.9MB in the beginning and 113.9MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 7.38ms. Allocated memory is still 186.6MB. Free memory was 113.9MB in the beginning and 113.9MB in the end (delta: 2.7kB). 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: 1569]: 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_fscanf_sub_64_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE191_Integer_Underflow__int_fscanf_sub_64b_badSink(&data) [L1566] int * dataPtr = (int *)dataVoidPtr; [L1567] EXPR \read(*dataPtr) [L1567] int data = (*dataPtr); [L1569] data - 1 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: 1569]: 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: 0.3s, 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=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 [2024-10-31 21:56:09,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c799c1-7395-4388-bcb8-a5ec08f973ba/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c799c1-7395-4388-bcb8-a5ec08f973ba/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c799c1-7395-4388-bcb8-a5ec08f973ba/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c799c1-7395-4388-bcb8-a5ec08f973ba/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c799c1-7395-4388-bcb8-a5ec08f973ba/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_64_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c799c1-7395-4388-bcb8-a5ec08f973ba/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c799c1-7395-4388-bcb8-a5ec08f973ba/bin/uautomizer-verify-4GaUIPS5ZU --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2de6f41c15ad3c18f0d46a4b36709af421ecbb35b8df35bb2f78ce85ba67fca1 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 21:56:12,403 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 21:56:12,506 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c799c1-7395-4388-bcb8-a5ec08f973ba/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-10-31 21:56:12,515 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 21:56:12,515 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 21:56:12,516 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-10-31 21:56:12,549 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 21:56:12,549 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 21:56:12,550 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 21:56:12,552 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 21:56:12,552 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 21:56:12,555 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 21:56:12,555 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 21:56:12,556 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 21:56:12,556 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 21:56:12,557 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 21:56:12,557 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 21:56:12,557 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 21:56:12,558 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 21:56:12,558 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 21:56:12,558 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 21:56:12,564 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 21:56:12,564 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-31 21:56:12,564 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-31 21:56:12,565 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 21:56:12,565 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-31 21:56:12,565 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-31 21:56:12,565 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 21:56:12,566 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 21:56:12,566 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 21:56:12,566 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 21:56:12,568 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 21:56:12,568 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 21:56:12,569 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 21:56:12,569 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:56:12,570 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 21:56:12,570 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 21:56:12,570 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 21:56:12,571 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-31 21:56:12,572 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-31 21:56:12,572 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 21:56:12,572 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 21:56:12,572 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 21:56:12,573 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 21:56:12,573 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-31 21:56:12,573 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_c1c799c1-7395-4388-bcb8-a5ec08f973ba/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c799c1-7395-4388-bcb8-a5ec08f973ba/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2de6f41c15ad3c18f0d46a4b36709af421ecbb35b8df35bb2f78ce85ba67fca1 [2024-10-31 21:56:12,955 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 21:56:12,980 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 21:56:12,983 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 21:56:12,984 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 21:56:12,985 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 21:56:12,986 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c799c1-7395-4388-bcb8-a5ec08f973ba/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_64_bad.i Unable to find full path for "g++" [2024-10-31 21:56:15,170 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 21:56:15,646 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 21:56:15,649 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c799c1-7395-4388-bcb8-a5ec08f973ba/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_64_bad.i [2024-10-31 21:56:15,684 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c799c1-7395-4388-bcb8-a5ec08f973ba/bin/uautomizer-verify-4GaUIPS5ZU/data/ca046af33/50c5d7617b1a4f4c84c2f03504eff077/FLAG53e4dd904 [2024-10-31 21:56:15,706 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c799c1-7395-4388-bcb8-a5ec08f973ba/bin/uautomizer-verify-4GaUIPS5ZU/data/ca046af33/50c5d7617b1a4f4c84c2f03504eff077 [2024-10-31 21:56:15,708 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 21:56:15,712 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 21:56:15,714 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 21:56:15,714 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 21:56:15,720 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 21:56:15,721 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:56:15" (1/1) ... [2024-10-31 21:56:15,723 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f7be232 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:15, skipping insertion in model container [2024-10-31 21:56:15,724 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:56:15" (1/1) ... [2024-10-31 21:56:15,804 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 21:56:16,867 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:16,873 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:56:16,890 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 21:56:17,019 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:56:17,233 INFO L204 MainTranslator]: Completed translation [2024-10-31 21:56:17,234 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:17 WrapperNode [2024-10-31 21:56:17,234 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 21:56:17,235 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 21:56:17,235 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 21:56:17,236 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 21:56:17,244 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:17" (1/1) ... [2024-10-31 21:56:17,273 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:17" (1/1) ... [2024-10-31 21:56:17,297 INFO L138 Inliner]: procedures = 503, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 49 [2024-10-31 21:56:17,298 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 21:56:17,300 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 21:56:17,301 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 21:56:17,301 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 21:56:17,313 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:17" (1/1) ... [2024-10-31 21:56:17,313 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:17" (1/1) ... [2024-10-31 21:56:17,316 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:17" (1/1) ... [2024-10-31 21:56:17,331 INFO L175 MemorySlicer]: Split 3 memory accesses to 1 slices as follows [3]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 2 writes are split as follows [2]. [2024-10-31 21:56:17,332 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:17" (1/1) ... [2024-10-31 21:56:17,332 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:17" (1/1) ... [2024-10-31 21:56:17,340 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:17" (1/1) ... [2024-10-31 21:56:17,342 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:17" (1/1) ... [2024-10-31 21:56:17,344 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:17" (1/1) ... [2024-10-31 21:56:17,346 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:17" (1/1) ... [2024-10-31 21:56:17,349 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 21:56:17,350 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 21:56:17,351 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 21:56:17,351 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 21:56:17,352 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:17" (1/1) ... [2024-10-31 21:56:17,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:56:17,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c799c1-7395-4388-bcb8-a5ec08f973ba/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:17,391 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c799c1-7395-4388-bcb8-a5ec08f973ba/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:17,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c799c1-7395-4388-bcb8-a5ec08f973ba/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 21:56:17,417 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-31 21:56:17,417 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-31 21:56:17,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 21:56:17,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 21:56:17,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 21:56:17,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 21:56:17,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-10-31 21:56:17,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 21:56:17,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-10-31 21:56:17,645 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 21:56:17,648 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 21:56:17,850 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-10-31 21:56:17,851 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 21:56:17,862 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 21:56:17,862 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 21:56:17,865 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:56:17 BoogieIcfgContainer [2024-10-31 21:56:17,865 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 21:56:17,868 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 21:56:17,868 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 21:56:17,871 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 21:56:17,872 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 09:56:15" (1/3) ... [2024-10-31 21:56:17,872 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48b512a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:56:17, skipping insertion in model container [2024-10-31 21:56:17,872 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:17" (2/3) ... [2024-10-31 21:56:17,873 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48b512a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:56:17, skipping insertion in model container [2024-10-31 21:56:17,873 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:56:17" (3/3) ... [2024-10-31 21:56:17,874 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_sub_64_bad.i [2024-10-31 21:56:17,893 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 21:56:17,894 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-31 21:56:17,978 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 21:56:17,984 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;@5cbece91, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 21:56:17,984 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-31 21:56:17,988 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 16 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-31 21:56:17,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-31 21:56:17,996 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:56:17,997 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:17,997 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-31 21:56:18,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:18,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1855260787, now seen corresponding path program 1 times [2024-10-31 21:56:18,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 21:56:18,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [601570058] [2024-10-31 21:56:18,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:18,020 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-31 21:56:18,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c799c1-7395-4388-bcb8-a5ec08f973ba/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 21:56:18,024 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c799c1-7395-4388-bcb8-a5ec08f973ba/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-31 21:56:18,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c799c1-7395-4388-bcb8-a5ec08f973ba/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-31 21:56:18,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:18,189 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:18,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:18,280 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-10-31 21:56:18,282 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 21:56:18,283 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-31 21:56:18,288 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-31 21:56:18,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c799c1-7395-4388-bcb8-a5ec08f973ba/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:18,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c799c1-7395-4388-bcb8-a5ec08f973ba/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-31 21:56:18,493 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-31 21:56:18,523 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 21:56:18,526 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 09:56:18 BoogieIcfgContainer [2024-10-31 21:56:18,526 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 21:56:18,526 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 21:56:18,526 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 21:56:18,527 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 21:56:18,527 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:56:17" (3/4) ... [2024-10-31 21:56:18,530 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 21:56:18,531 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 21:56:18,533 INFO L158 Benchmark]: Toolchain (without parser) took 2820.61ms. Allocated memory was 71.3MB in the beginning and 98.6MB in the end (delta: 27.3MB). Free memory was 44.1MB in the beginning and 53.5MB in the end (delta: -9.4MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2024-10-31 21:56:18,533 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 71.3MB. Free memory is still 47.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 21:56:18,534 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1520.62ms. Allocated memory was 71.3MB in the beginning and 98.6MB in the end (delta: 27.3MB). Free memory was 43.9MB in the beginning and 66.8MB in the end (delta: -22.9MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-10-31 21:56:18,535 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.67ms. Allocated memory is still 98.6MB. Free memory was 66.8MB in the beginning and 63.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 21:56:18,535 INFO L158 Benchmark]: Boogie Preprocessor took 49.39ms. Allocated memory is still 98.6MB. Free memory was 63.8MB in the beginning and 61.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 21:56:18,536 INFO L158 Benchmark]: RCFGBuilder took 515.38ms. Allocated memory is still 98.6MB. Free memory was 61.0MB in the beginning and 46.5MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-31 21:56:18,537 INFO L158 Benchmark]: TraceAbstraction took 658.12ms. Allocated memory is still 98.6MB. Free memory was 45.8MB in the beginning and 53.5MB in the end (delta: -7.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 21:56:18,540 INFO L158 Benchmark]: Witness Printer took 5.00ms. Allocated memory is still 98.6MB. Free memory is still 53.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 21:56:18,545 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 71.3MB. Free memory is still 47.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1520.62ms. Allocated memory was 71.3MB in the beginning and 98.6MB in the end (delta: 27.3MB). Free memory was 43.9MB in the beginning and 66.8MB in the end (delta: -22.9MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.67ms. Allocated memory is still 98.6MB. Free memory was 66.8MB in the beginning and 63.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.39ms. Allocated memory is still 98.6MB. Free memory was 63.8MB in the beginning and 61.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 515.38ms. Allocated memory is still 98.6MB. Free memory was 61.0MB in the beginning and 46.5MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 658.12ms. Allocated memory is still 98.6MB. Free memory was 45.8MB in the beginning and 53.5MB in the end (delta: -7.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.00ms. Allocated memory is still 98.6MB. Free memory is still 53.5MB. 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: 1569]: 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_fscanf_sub_64_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE191_Integer_Underflow__int_fscanf_sub_64b_badSink(&data) [L1566] int * dataPtr = (int *)dataVoidPtr; [L1567] EXPR \read(*dataPtr) [L1567] int data = (*dataPtr); [L1569] data - 1 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: 1569]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s 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 [2024-10-31 21:56:18,584 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c799c1-7395-4388-bcb8-a5ec08f973ba/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample