./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_34_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c36bca5-5cbd-4d3d-ad71-8e9d0bae82d2/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c36bca5-5cbd-4d3d-ad71-8e9d0bae82d2/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c36bca5-5cbd-4d3d-ad71-8e9d0bae82d2/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c36bca5-5cbd-4d3d-ad71-8e9d0bae82d2/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_34_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c36bca5-5cbd-4d3d-ad71-8e9d0bae82d2/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c36bca5-5cbd-4d3d-ad71-8e9d0bae82d2/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 42aa70884e1efef4b9c3adf816efc1756d420250f458191ff5ceb58b5733832b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:20:06,139 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:20:06,256 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c36bca5-5cbd-4d3d-ad71-8e9d0bae82d2/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-08 16:20:06,266 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:20:06,267 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:20:06,317 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:20:06,318 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:20:06,319 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:20:06,320 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:20:06,322 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:20:06,323 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:20:06,324 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:20:06,325 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:20:06,326 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:20:06,328 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:20:06,329 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:20:06,330 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:20:06,330 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 16:20:06,331 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:20:06,331 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:20:06,332 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:20:06,337 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:20:06,337 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:20:06,338 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 16:20:06,338 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 16:20:06,338 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:20:06,339 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:20:06,339 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:20:06,340 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:20:06,342 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:20:06,343 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:20:06,344 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:20:06,345 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:20:06,345 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:20:06,346 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:20:06,346 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 16:20:06,346 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 16:20:06,347 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:20:06,347 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:20:06,348 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:20:06,348 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:20:06,349 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_1c36bca5-5cbd-4d3d-ad71-8e9d0bae82d2/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c36bca5-5cbd-4d3d-ad71-8e9d0bae82d2/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 42aa70884e1efef4b9c3adf816efc1756d420250f458191ff5ceb58b5733832b [2024-11-08 16:20:06,683 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:20:06,713 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:20:06,716 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:20:06,718 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:20:06,719 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:20:06,721 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c36bca5-5cbd-4d3d-ad71-8e9d0bae82d2/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_34_bad.i Unable to find full path for "g++" [2024-11-08 16:20:08,943 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:20:09,287 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:20:09,288 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c36bca5-5cbd-4d3d-ad71-8e9d0bae82d2/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_34_bad.i [2024-11-08 16:20:09,324 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c36bca5-5cbd-4d3d-ad71-8e9d0bae82d2/bin/uautomizer-verify-jihMAELWvX/data/094593507/b6600f34fb804c5faf80076e183427fd/FLAG51575fc9f [2024-11-08 16:20:09,537 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c36bca5-5cbd-4d3d-ad71-8e9d0bae82d2/bin/uautomizer-verify-jihMAELWvX/data/094593507/b6600f34fb804c5faf80076e183427fd [2024-11-08 16:20:09,540 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:20:09,542 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:20:09,543 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:20:09,543 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:20:09,553 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:20:09,554 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:20:09" (1/1) ... [2024-11-08 16:20:09,556 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c220c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:09, skipping insertion in model container [2024-11-08 16:20:09,556 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:20:09" (1/1) ... [2024-11-08 16:20:09,632 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:20:10,902 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:20:10,917 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:20:11,149 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:20:11,307 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:20:11,308 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:11 WrapperNode [2024-11-08 16:20:11,308 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:20:11,310 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:20:11,310 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:20:11,310 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:20:11,320 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:11" (1/1) ... [2024-11-08 16:20:11,356 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:11" (1/1) ... [2024-11-08 16:20:11,393 INFO L138 Inliner]: procedures = 497, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 46 [2024-11-08 16:20:11,393 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:20:11,394 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:20:11,395 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:20:11,395 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:20:11,406 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:11" (1/1) ... [2024-11-08 16:20:11,407 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:11" (1/1) ... [2024-11-08 16:20:11,411 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:11" (1/1) ... [2024-11-08 16:20:11,435 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 1 writes are split as follows [1]. [2024-11-08 16:20:11,435 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:11" (1/1) ... [2024-11-08 16:20:11,435 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:11" (1/1) ... [2024-11-08 16:20:11,443 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:11" (1/1) ... [2024-11-08 16:20:11,445 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:11" (1/1) ... [2024-11-08 16:20:11,447 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:11" (1/1) ... [2024-11-08 16:20:11,448 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:11" (1/1) ... [2024-11-08 16:20:11,451 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:20:11,452 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:20:11,453 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:20:11,453 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:20:11,454 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:11" (1/1) ... [2024-11-08 16:20:11,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:20:11,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c36bca5-5cbd-4d3d-ad71-8e9d0bae82d2/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:20:11,500 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c36bca5-5cbd-4d3d-ad71-8e9d0bae82d2/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:20:11,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c36bca5-5cbd-4d3d-ad71-8e9d0bae82d2/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:20:11,531 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 16:20:11,531 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 16:20:11,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 16:20:11,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-08 16:20:11,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:20:11,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:20:11,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:20:11,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 16:20:11,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-08 16:20:11,706 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:20:11,708 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:20:11,849 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-08 16:20:11,849 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:20:11,864 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:20:11,864 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 16:20:11,865 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:20:11 BoogieIcfgContainer [2024-11-08 16:20:11,865 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:20:11,867 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:20:11,868 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:20:11,872 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:20:11,872 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:20:09" (1/3) ... [2024-11-08 16:20:11,873 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68279b55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:20:11, skipping insertion in model container [2024-11-08 16:20:11,874 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:11" (2/3) ... [2024-11-08 16:20:11,874 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68279b55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:20:11, skipping insertion in model container [2024-11-08 16:20:11,874 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:20:11" (3/3) ... [2024-11-08 16:20:11,876 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_add_34_bad.i [2024-11-08 16:20:11,906 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:20:11,906 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 16:20:11,985 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:20:11,994 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;@1b9642f6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:20:11,994 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 16:20:12,000 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 15 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-08 16:20:12,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 16:20:12,010 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:20:12,011 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:20:12,012 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 16:20:12,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:20:12,019 INFO L85 PathProgramCache]: Analyzing trace with hash 80251503, now seen corresponding path program 1 times [2024-11-08 16:20:12,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:20:12,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518565094] [2024-11-08 16:20:12,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:20:12,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:20:12,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:12,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 16:20:12,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:12,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:20:12,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:20:12,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518565094] [2024-11-08 16:20:12,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518565094] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:20:12,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:20:12,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:20:12,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939540729] [2024-11-08 16:20:12,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:20:12,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:20:12,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:20:12,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:20:12,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:20:12,803 INFO L87 Difference]: Start difference. First operand has 19 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 15 states have internal predecessors, (16), 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) Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 16:20:12,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:20:12,834 INFO L93 Difference]: Finished difference Result 23 states and 24 transitions. [2024-11-08 16:20:12,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:20:12,837 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9 [2024-11-08 16:20:12,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:20:12,846 INFO L225 Difference]: With dead ends: 23 [2024-11-08 16:20:12,847 INFO L226 Difference]: Without dead ends: 11 [2024-11-08 16:20:12,850 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:20:12,854 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 1 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:20:12,856 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 17 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:20:12,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2024-11-08 16:20:12,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2024-11-08 16:20:12,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 16:20:12,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-11-08 16:20:12,895 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 9 [2024-11-08 16:20:12,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:20:12,897 INFO L471 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2024-11-08 16:20:12,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 16:20:12,899 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-11-08 16:20:12,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 16:20:12,899 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:20:12,899 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:20:12,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 16:20:12,903 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 16:20:12,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:20:12,904 INFO L85 PathProgramCache]: Analyzing trace with hash -1807170657, now seen corresponding path program 1 times [2024-11-08 16:20:12,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:20:12,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362056115] [2024-11-08 16:20:12,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:20:12,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:20:12,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:20:12,943 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:20:12,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:20:12,982 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:20:12,983 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 16:20:12,985 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-08 16:20:12,988 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-08 16:20:12,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 16:20:12,993 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-08 16:20:13,026 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 16:20:13,031 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 04:20:13 BoogieIcfgContainer [2024-11-08 16:20:13,032 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 16:20:13,035 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 16:20:13,036 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 16:20:13,037 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 16:20:13,037 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:20:11" (3/4) ... [2024-11-08 16:20:13,042 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 16:20:13,044 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 16:20:13,046 INFO L158 Benchmark]: Toolchain (without parser) took 3503.36ms. Allocated memory was 134.2MB in the beginning and 167.8MB in the end (delta: 33.6MB). Free memory was 92.1MB in the beginning and 108.2MB in the end (delta: -16.1MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2024-11-08 16:20:13,047 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 134.2MB. Free memory was 74.1MB in the beginning and 74.0MB in the end (delta: 98.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:20:13,048 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1765.86ms. Allocated memory was 134.2MB in the beginning and 167.8MB in the end (delta: 33.6MB). Free memory was 91.7MB in the beginning and 98.7MB in the end (delta: -7.0MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. [2024-11-08 16:20:13,049 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.81ms. Allocated memory is still 167.8MB. Free memory was 98.7MB in the beginning and 96.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:20:13,050 INFO L158 Benchmark]: Boogie Preprocessor took 57.12ms. Allocated memory is still 167.8MB. Free memory was 96.6MB in the beginning and 94.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:20:13,050 INFO L158 Benchmark]: RCFGBuilder took 412.83ms. Allocated memory is still 167.8MB. Free memory was 94.5MB in the beginning and 81.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 16:20:13,051 INFO L158 Benchmark]: TraceAbstraction took 1164.92ms. Allocated memory is still 167.8MB. Free memory was 80.8MB in the beginning and 108.2MB in the end (delta: -27.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:20:13,051 INFO L158 Benchmark]: Witness Printer took 9.64ms. Allocated memory is still 167.8MB. Free memory is still 108.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:20:13,055 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 134.2MB. Free memory was 74.1MB in the beginning and 74.0MB in the end (delta: 98.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1765.86ms. Allocated memory was 134.2MB in the beginning and 167.8MB in the end (delta: 33.6MB). Free memory was 91.7MB in the beginning and 98.7MB in the end (delta: -7.0MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.81ms. Allocated memory is still 167.8MB. Free memory was 98.7MB in the beginning and 96.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.12ms. Allocated memory is still 167.8MB. Free memory was 96.6MB in the beginning and 94.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 412.83ms. Allocated memory is still 167.8MB. Free memory was 94.5MB in the beginning and 81.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1164.92ms. Allocated memory is still 167.8MB. Free memory was 80.8MB in the beginning and 108.2MB in the end (delta: -27.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 9.64ms. Allocated memory is still 167.8MB. Free memory is still 108.2MB. 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: 1563]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1571. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE190_Integer_Overflow__int_max_add_34_bad() [L1555] int data; [L1556] CWE190_Integer_Overflow__int_max_add_34_unionType myUnion; [L1557] data = 0 [L1558] data = 0x7fffffff [L1559] myUnion.unionFirst = data [L1561] EXPR myUnion.unionSecond [L1561] int data = myUnion.unionSecond; [L1563] 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: 1563]: 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, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 9 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 16:20:13,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c36bca5-5cbd-4d3d-ad71-8e9d0bae82d2/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c36bca5-5cbd-4d3d-ad71-8e9d0bae82d2/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c36bca5-5cbd-4d3d-ad71-8e9d0bae82d2/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c36bca5-5cbd-4d3d-ad71-8e9d0bae82d2/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c36bca5-5cbd-4d3d-ad71-8e9d0bae82d2/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_34_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c36bca5-5cbd-4d3d-ad71-8e9d0bae82d2/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c36bca5-5cbd-4d3d-ad71-8e9d0bae82d2/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 42aa70884e1efef4b9c3adf816efc1756d420250f458191ff5ceb58b5733832b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:20:15,948 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:20:16,081 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c36bca5-5cbd-4d3d-ad71-8e9d0bae82d2/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-08 16:20:16,091 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:20:16,091 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:20:16,092 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-08 16:20:16,145 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:20:16,146 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:20:16,146 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:20:16,147 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:20:16,148 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:20:16,149 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:20:16,150 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:20:16,154 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:20:16,154 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:20:16,155 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:20:16,155 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:20:16,156 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:20:16,156 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:20:16,157 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:20:16,157 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:20:16,160 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:20:16,160 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 16:20:16,161 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 16:20:16,161 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:20:16,161 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 16:20:16,162 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 16:20:16,162 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 16:20:16,163 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:20:16,163 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:20:16,164 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:20:16,165 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:20:16,165 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:20:16,165 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:20:16,166 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:20:16,166 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:20:16,166 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:20:16,167 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:20:16,167 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 16:20:16,168 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 16:20:16,169 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:20:16,169 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:20:16,170 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:20:16,170 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:20:16,171 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_1c36bca5-5cbd-4d3d-ad71-8e9d0bae82d2/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c36bca5-5cbd-4d3d-ad71-8e9d0bae82d2/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 42aa70884e1efef4b9c3adf816efc1756d420250f458191ff5ceb58b5733832b [2024-11-08 16:20:16,645 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:20:16,681 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:20:16,685 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:20:16,687 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:20:16,688 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:20:16,689 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c36bca5-5cbd-4d3d-ad71-8e9d0bae82d2/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_34_bad.i Unable to find full path for "g++" [2024-11-08 16:20:18,996 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:20:19,455 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:20:19,456 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c36bca5-5cbd-4d3d-ad71-8e9d0bae82d2/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_34_bad.i [2024-11-08 16:20:19,483 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c36bca5-5cbd-4d3d-ad71-8e9d0bae82d2/bin/uautomizer-verify-jihMAELWvX/data/905fc123d/51ff0c5e20894eb58062db4a8089e470/FLAG047b24fd3 [2024-11-08 16:20:19,502 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c36bca5-5cbd-4d3d-ad71-8e9d0bae82d2/bin/uautomizer-verify-jihMAELWvX/data/905fc123d/51ff0c5e20894eb58062db4a8089e470 [2024-11-08 16:20:19,505 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:20:19,507 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:20:19,508 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:20:19,509 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:20:19,517 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:20:19,518 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:20:19" (1/1) ... [2024-11-08 16:20:19,520 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@266b8037 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:19, skipping insertion in model container [2024-11-08 16:20:19,520 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:20:19" (1/1) ... [2024-11-08 16:20:19,613 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:20:21,131 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:20:21,153 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:20:21,313 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:20:21,475 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:20:21,475 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:21 WrapperNode [2024-11-08 16:20:21,476 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:20:21,477 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:20:21,477 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:20:21,478 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:20:21,487 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:21" (1/1) ... [2024-11-08 16:20:21,519 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:21" (1/1) ... [2024-11-08 16:20:21,548 INFO L138 Inliner]: procedures = 502, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 46 [2024-11-08 16:20:21,549 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:20:21,550 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:20:21,550 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:20:21,550 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:20:21,565 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:21" (1/1) ... [2024-11-08 16:20:21,565 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:21" (1/1) ... [2024-11-08 16:20:21,569 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:21" (1/1) ... [2024-11-08 16:20:21,589 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 1 writes are split as follows [1]. [2024-11-08 16:20:21,589 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:21" (1/1) ... [2024-11-08 16:20:21,592 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:21" (1/1) ... [2024-11-08 16:20:21,606 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:21" (1/1) ... [2024-11-08 16:20:21,613 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:21" (1/1) ... [2024-11-08 16:20:21,616 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:21" (1/1) ... [2024-11-08 16:20:21,620 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:21" (1/1) ... [2024-11-08 16:20:21,626 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:20:21,627 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:20:21,628 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:20:21,629 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:20:21,630 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:21" (1/1) ... [2024-11-08 16:20:21,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:20:21,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c36bca5-5cbd-4d3d-ad71-8e9d0bae82d2/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:20:21,676 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c36bca5-5cbd-4d3d-ad71-8e9d0bae82d2/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:20:21,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c36bca5-5cbd-4d3d-ad71-8e9d0bae82d2/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:20:21,725 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 16:20:21,725 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 16:20:21,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 16:20:21,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:20:21,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:20:21,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:20:21,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-08 16:20:21,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 16:20:21,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-08 16:20:21,941 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:20:21,944 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:20:22,159 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-08 16:20:22,159 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:20:22,182 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:20:22,183 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 16:20:22,183 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:20:22 BoogieIcfgContainer [2024-11-08 16:20:22,184 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:20:22,186 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:20:22,187 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:20:22,194 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:20:22,194 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:20:19" (1/3) ... [2024-11-08 16:20:22,195 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c12e1bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:20:22, skipping insertion in model container [2024-11-08 16:20:22,196 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:21" (2/3) ... [2024-11-08 16:20:22,196 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c12e1bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:20:22, skipping insertion in model container [2024-11-08 16:20:22,196 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:20:22" (3/3) ... [2024-11-08 16:20:22,198 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_add_34_bad.i [2024-11-08 16:20:22,222 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:20:22,222 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 16:20:22,327 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:20:22,337 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;@6fb25a1c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:20:22,338 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 16:20:22,343 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 15 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-08 16:20:22,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 16:20:22,354 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:20:22,355 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:20:22,356 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 16:20:22,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:20:22,365 INFO L85 PathProgramCache]: Analyzing trace with hash 80251503, now seen corresponding path program 1 times [2024-11-08 16:20:22,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:20:22,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1263252380] [2024-11-08 16:20:22,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:20:22,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:20:22,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c36bca5-5cbd-4d3d-ad71-8e9d0bae82d2/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:20:22,389 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c36bca5-5cbd-4d3d-ad71-8e9d0bae82d2/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:20:22,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c36bca5-5cbd-4d3d-ad71-8e9d0bae82d2/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 16:20:22,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:22,581 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 16:20:22,604 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:20:22,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:20:22,637 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:20:22,638 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:20:22,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1263252380] [2024-11-08 16:20:22,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1263252380] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:20:22,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:20:22,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-08 16:20:22,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268065290] [2024-11-08 16:20:22,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:20:22,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 16:20:22,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:20:22,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 16:20:22,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 16:20:22,689 INFO L87 Difference]: Start difference. First operand has 19 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 15 states have internal predecessors, (16), 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) Second operand has 2 states, 1 states have (on average 7.0) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 16:20:22,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:20:22,712 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2024-11-08 16:20:22,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 16:20:22,716 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 7.0) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9 [2024-11-08 16:20:22,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:20:22,725 INFO L225 Difference]: With dead ends: 19 [2024-11-08 16:20:22,726 INFO L226 Difference]: Without dead ends: 11 [2024-11-08 16:20:22,730 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 16:20:22,735 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:20:22,739 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:20:22,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2024-11-08 16:20:22,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2024-11-08 16:20:22,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 16:20:22,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-11-08 16:20:22,789 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 9 [2024-11-08 16:20:22,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:20:22,790 INFO L471 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2024-11-08 16:20:22,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 7.0) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 16:20:22,792 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-11-08 16:20:22,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 16:20:22,793 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:20:22,794 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:20:22,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c36bca5-5cbd-4d3d-ad71-8e9d0bae82d2/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 16:20:22,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c36bca5-5cbd-4d3d-ad71-8e9d0bae82d2/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:20:22,999 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 16:20:23,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:20:23,000 INFO L85 PathProgramCache]: Analyzing trace with hash -1807170657, now seen corresponding path program 1 times [2024-11-08 16:20:23,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:20:23,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1502287588] [2024-11-08 16:20:23,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:20:23,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:20:23,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c36bca5-5cbd-4d3d-ad71-8e9d0bae82d2/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:20:23,015 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c36bca5-5cbd-4d3d-ad71-8e9d0bae82d2/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:20:23,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c36bca5-5cbd-4d3d-ad71-8e9d0bae82d2/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 16:20:23,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:20:23,176 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:20:23,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:20:23,266 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-08 16:20:23,267 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 16:20:23,269 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-08 16:20:23,272 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-08 16:20:23,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c36bca5-5cbd-4d3d-ad71-8e9d0bae82d2/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 16:20:23,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c36bca5-5cbd-4d3d-ad71-8e9d0bae82d2/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:20:23,478 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-08 16:20:23,501 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 16:20:23,505 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 04:20:23 BoogieIcfgContainer [2024-11-08 16:20:23,506 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 16:20:23,506 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 16:20:23,506 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 16:20:23,507 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 16:20:23,507 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:20:22" (3/4) ... [2024-11-08 16:20:23,510 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 16:20:23,511 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 16:20:23,512 INFO L158 Benchmark]: Toolchain (without parser) took 4005.19ms. Allocated memory was 71.3MB in the beginning and 111.1MB in the end (delta: 39.8MB). Free memory was 43.4MB in the beginning and 63.1MB in the end (delta: -19.7MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2024-11-08 16:20:23,513 INFO L158 Benchmark]: CDTParser took 1.59ms. Allocated memory is still 71.3MB. Free memory was 46.7MB in the beginning and 46.6MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:20:23,513 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1967.83ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 43.1MB in the beginning and 48.7MB in the end (delta: -5.6MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. [2024-11-08 16:20:23,514 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.00ms. Allocated memory is still 92.3MB. Free memory was 48.4MB in the beginning and 45.4MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 16:20:23,515 INFO L158 Benchmark]: Boogie Preprocessor took 76.81ms. Allocated memory is still 92.3MB. Free memory was 45.4MB in the beginning and 42.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:20:23,515 INFO L158 Benchmark]: RCFGBuilder took 556.46ms. Allocated memory is still 92.3MB. Free memory was 42.9MB in the beginning and 51.9MB in the end (delta: -9.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 16:20:23,516 INFO L158 Benchmark]: TraceAbstraction took 1319.35ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 51.2MB in the beginning and 63.9MB in the end (delta: -12.7MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2024-11-08 16:20:23,517 INFO L158 Benchmark]: Witness Printer took 4.96ms. Allocated memory is still 111.1MB. Free memory was 63.9MB in the beginning and 63.1MB in the end (delta: 804.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:20:23,521 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.59ms. Allocated memory is still 71.3MB. Free memory was 46.7MB in the beginning and 46.6MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1967.83ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 43.1MB in the beginning and 48.7MB in the end (delta: -5.6MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.00ms. Allocated memory is still 92.3MB. Free memory was 48.4MB in the beginning and 45.4MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.81ms. Allocated memory is still 92.3MB. Free memory was 45.4MB in the beginning and 42.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 556.46ms. Allocated memory is still 92.3MB. Free memory was 42.9MB in the beginning and 51.9MB in the end (delta: -9.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1319.35ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 51.2MB in the beginning and 63.9MB in the end (delta: -12.7MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. * Witness Printer took 4.96ms. Allocated memory is still 111.1MB. Free memory was 63.9MB in the beginning and 63.1MB in the end (delta: 804.3kB). 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: 1563]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1571. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE190_Integer_Overflow__int_max_add_34_bad() [L1555] int data; [L1556] CWE190_Integer_Overflow__int_max_add_34_unionType myUnion; [L1557] data = 0 [L1558] data = 0x7fffffff [L1559] myUnion.unionFirst = data [L1561] EXPR myUnion.unionSecond [L1561] int data = myUnion.unionSecond; [L1563] 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: 1563]: 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, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 19 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 53 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 16:20:23,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c36bca5-5cbd-4d3d-ad71-8e9d0bae82d2/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample