./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_64_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_3909a4e9-92af-4a19-b07f-10c1850373ea/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3909a4e9-92af-4a19-b07f-10c1850373ea/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_3909a4e9-92af-4a19-b07f-10c1850373ea/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3909a4e9-92af-4a19-b07f-10c1850373ea/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_64_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3909a4e9-92af-4a19-b07f-10c1850373ea/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_3909a4e9-92af-4a19-b07f-10c1850373ea/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 648c3469cfe2e6a0d5bec3ee07ed5a66fb8ad7901c37cba1be099c8992bd77c7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:10:33,594 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:10:33,702 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3909a4e9-92af-4a19-b07f-10c1850373ea/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-08 16:10:33,712 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:10:33,712 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:10:33,754 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:10:33,755 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:10:33,756 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:10:33,756 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:10:33,757 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:10:33,757 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:10:33,758 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:10:33,758 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:10:33,759 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:10:33,759 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:10:33,760 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:10:33,760 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:10:33,761 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 16:10:33,761 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:10:33,762 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:10:33,762 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:10:33,766 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:10:33,766 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:10:33,767 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 16:10:33,767 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 16:10:33,767 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:10:33,768 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:10:33,768 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:10:33,768 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:10:33,769 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:10:33,769 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:10:33,769 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:10:33,774 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:10:33,775 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:10:33,775 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:10:33,776 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 16:10:33,777 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 16:10:33,777 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:10:33,778 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:10:33,778 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:10:33,778 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:10:33,779 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_3909a4e9-92af-4a19-b07f-10c1850373ea/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3909a4e9-92af-4a19-b07f-10c1850373ea/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 648c3469cfe2e6a0d5bec3ee07ed5a66fb8ad7901c37cba1be099c8992bd77c7 [2024-11-08 16:10:34,145 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:10:34,216 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:10:34,222 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:10:34,228 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:10:34,229 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:10:34,230 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3909a4e9-92af-4a19-b07f-10c1850373ea/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_64_bad.i Unable to find full path for "g++" [2024-11-08 16:10:36,221 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:10:36,610 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:10:36,610 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3909a4e9-92af-4a19-b07f-10c1850373ea/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_64_bad.i [2024-11-08 16:10:36,646 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3909a4e9-92af-4a19-b07f-10c1850373ea/bin/uautomizer-verify-jihMAELWvX/data/8c62ae4a6/d736a929263b4fc4b8c4527b777550c9/FLAGd64428bc9 [2024-11-08 16:10:36,666 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3909a4e9-92af-4a19-b07f-10c1850373ea/bin/uautomizer-verify-jihMAELWvX/data/8c62ae4a6/d736a929263b4fc4b8c4527b777550c9 [2024-11-08 16:10:36,671 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:10:36,673 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:10:36,677 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:10:36,678 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:10:36,684 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:10:36,684 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:10:36" (1/1) ... [2024-11-08 16:10:36,686 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d0a6d5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:10:36, skipping insertion in model container [2024-11-08 16:10:36,688 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:10:36" (1/1) ... [2024-11-08 16:10:36,812 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:10:38,896 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:10:38,910 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:10:39,047 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:10:39,338 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:10:39,338 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:10:39 WrapperNode [2024-11-08 16:10:39,339 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:10:39,340 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:10:39,340 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:10:39,340 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:10:39,348 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:10:39" (1/1) ... [2024-11-08 16:10:39,381 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:10:39" (1/1) ... [2024-11-08 16:10:39,417 INFO L138 Inliner]: procedures = 937, calls = 33, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 74 [2024-11-08 16:10:39,417 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:10:39,418 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:10:39,418 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:10:39,418 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:10:39,444 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:10:39" (1/1) ... [2024-11-08 16:10:39,444 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:10:39" (1/1) ... [2024-11-08 16:10:39,452 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:10:39" (1/1) ... [2024-11-08 16:10:39,476 INFO L175 MemorySlicer]: Split 4 memory accesses to 2 slices as follows [1, 3]. 75 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1, 0]. The 2 writes are split as follows [0, 2]. [2024-11-08 16:10:39,476 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:10:39" (1/1) ... [2024-11-08 16:10:39,477 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:10:39" (1/1) ... [2024-11-08 16:10:39,486 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:10:39" (1/1) ... [2024-11-08 16:10:39,488 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:10:39" (1/1) ... [2024-11-08 16:10:39,491 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:10:39" (1/1) ... [2024-11-08 16:10:39,492 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:10:39" (1/1) ... [2024-11-08 16:10:39,495 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:10:39,496 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:10:39,496 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:10:39,497 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:10:39,498 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:10:39" (1/1) ... [2024-11-08 16:10:39,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:10:39,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3909a4e9-92af-4a19-b07f-10c1850373ea/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:10:39,541 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3909a4e9-92af-4a19-b07f-10c1850373ea/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:10:39,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3909a4e9-92af-4a19-b07f-10c1850373ea/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:10:39,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-08 16:10:39,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-08 16:10:39,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:10:39,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:10:39,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:10:39,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 16:10:39,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-08 16:10:39,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-08 16:10:39,576 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 16:10:39,577 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 16:10:39,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 16:10:39,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 16:10:39,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 16:10:39,803 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:10:39,806 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:10:39,973 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-08 16:10:39,973 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:10:39,987 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:10:39,987 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 16:10:39,988 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:10:39 BoogieIcfgContainer [2024-11-08 16:10:39,988 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:10:39,992 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:10:39,993 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:10:39,996 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:10:39,997 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:10:36" (1/3) ... [2024-11-08 16:10:39,998 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a5d8abf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:10:39, skipping insertion in model container [2024-11-08 16:10:39,998 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:10:39" (2/3) ... [2024-11-08 16:10:40,000 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a5d8abf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:10:39, skipping insertion in model container [2024-11-08 16:10:40,000 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:10:39" (3/3) ... [2024-11-08 16:10:40,002 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_square_64_bad.i [2024-11-08 16:10:40,023 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:10:40,024 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 16:10:40,107 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:10:40,113 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;@2436228, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:10:40,114 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 16:10:40,118 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 19 states have internal predecessors, (21), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-08 16:10:40,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 16:10:40,127 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:10:40,128 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:10:40,128 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 16:10:40,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:10:40,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1415281768, now seen corresponding path program 1 times [2024-11-08 16:10:40,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:10:40,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675348738] [2024-11-08 16:10:40,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:10:40,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:10:40,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:10:40,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 16:10:40,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:10:40,458 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 16:10:40,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:10:40,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675348738] [2024-11-08 16:10:40,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675348738] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:10:40,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:10:40,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-08 16:10:40,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501452350] [2024-11-08 16:10:40,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:10:40,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 16:10:40,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:10:40,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 16:10:40,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 16:10:40,497 INFO L87 Difference]: Start difference. First operand has 24 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 19 states have internal predecessors, (21), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 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 16:10:40,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:10:40,513 INFO L93 Difference]: Finished difference Result 24 states and 27 transitions. [2024-11-08 16:10:40,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 16:10:40,515 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 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) Word has length 11 [2024-11-08 16:10:40,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:10:40,520 INFO L225 Difference]: With dead ends: 24 [2024-11-08 16:10:40,521 INFO L226 Difference]: Without dead ends: 15 [2024-11-08 16:10:40,524 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 3 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 16:10:40,527 INFO L432 NwaCegarLoop]: 26 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, 26 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 16:10:40,528 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:10:40,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2024-11-08 16:10:40,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-11-08 16:10:40,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 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 16:10:40,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2024-11-08 16:10:40,561 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 11 [2024-11-08 16:10:40,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:10:40,563 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2024-11-08 16:10:40,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 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 16:10:40,563 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-08 16:10:40,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 16:10:40,565 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:10:40,565 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:10:40,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 16:10:40,566 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 16:10:40,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:10:40,567 INFO L85 PathProgramCache]: Analyzing trace with hash 924061903, now seen corresponding path program 1 times [2024-11-08 16:10:40,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:10:40,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848080782] [2024-11-08 16:10:40,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:10:40,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:10:40,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 16:10:40,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1981316258] [2024-11-08 16:10:40,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:10:40,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:10:40,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3909a4e9-92af-4a19-b07f-10c1850373ea/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:10:40,673 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3909a4e9-92af-4a19-b07f-10c1850373ea/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:10:40,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3909a4e9-92af-4a19-b07f-10c1850373ea/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 16:10:40,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:10:40,866 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:10:40,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:10:40,932 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:10:40,933 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 16:10:40,934 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-08 16:10:40,936 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-08 16:10:40,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3909a4e9-92af-4a19-b07f-10c1850373ea/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 16:10:41,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3909a4e9-92af-4a19-b07f-10c1850373ea/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:10:41,142 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-08 16:10:41,173 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 16:10:41,178 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 04:10:41 BoogieIcfgContainer [2024-11-08 16:10:41,178 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 16:10:41,180 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 16:10:41,180 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 16:10:41,180 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 16:10:41,181 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:10:39" (3/4) ... [2024-11-08 16:10:41,184 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 16:10:41,185 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 16:10:41,186 INFO L158 Benchmark]: Toolchain (without parser) took 4513.34ms. Allocated memory was 134.2MB in the beginning and 207.6MB in the end (delta: 73.4MB). Free memory was 67.3MB in the beginning and 113.2MB in the end (delta: -45.9MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2024-11-08 16:10:41,187 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 134.2MB. Free memory was 108.1MB in the beginning and 107.9MB in the end (delta: 153.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:10:41,191 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2661.84ms. Allocated memory was 134.2MB in the beginning and 172.0MB in the end (delta: 37.7MB). Free memory was 67.1MB in the beginning and 70.4MB in the end (delta: -3.3MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. [2024-11-08 16:10:41,192 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.56ms. Allocated memory is still 172.0MB. Free memory was 70.4MB in the beginning and 67.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:10:41,192 INFO L158 Benchmark]: Boogie Preprocessor took 77.56ms. Allocated memory is still 172.0MB. Free memory was 67.3MB in the beginning and 136.2MB in the end (delta: -68.9MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2024-11-08 16:10:41,193 INFO L158 Benchmark]: RCFGBuilder took 492.13ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 136.1MB in the beginning and 164.6MB in the end (delta: -28.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 16:10:41,193 INFO L158 Benchmark]: TraceAbstraction took 1185.98ms. Allocated memory is still 207.6MB. Free memory was 163.5MB in the beginning and 113.2MB in the end (delta: 50.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-08 16:10:41,194 INFO L158 Benchmark]: Witness Printer took 5.65ms. Allocated memory is still 207.6MB. Free memory is still 113.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:10:41,196 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 134.2MB. Free memory was 108.1MB in the beginning and 107.9MB in the end (delta: 153.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2661.84ms. Allocated memory was 134.2MB in the beginning and 172.0MB in the end (delta: 37.7MB). Free memory was 67.1MB in the beginning and 70.4MB in the end (delta: -3.3MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.56ms. Allocated memory is still 172.0MB. Free memory was 70.4MB in the beginning and 67.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.56ms. Allocated memory is still 172.0MB. Free memory was 67.3MB in the beginning and 136.2MB in the end (delta: -68.9MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * RCFGBuilder took 492.13ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 136.1MB in the beginning and 164.6MB in the end (delta: -28.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1185.98ms. Allocated memory is still 207.6MB. Free memory was 163.5MB in the beginning and 113.2MB in the end (delta: 50.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Witness Printer took 5.65ms. Allocated memory is still 207.6MB. Free memory is still 113.2MB. 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: 1863]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1841, overapproximation of large string literal at line 1853, overapproximation of fgets at line 1839. 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] [L1853] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1853] 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] [L1854] CALL CWE190_Integer_Overflow__int_fgets_square_64_bad() [L1835] int data; [L1836] data = 0 [L1838] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1839] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1841] data = atoi(inputBuffer) [L1841] data = atoi(inputBuffer) [L1848] CALL CWE190_Integer_Overflow__int_fgets_square_64b_badSink(&data) [L1860] int * dataPtr = (int *)dataVoidPtr; [L1861] EXPR \read(*dataPtr) [L1861] int data = (*dataPtr); [L1863] data * data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1863]: 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, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, 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, 26 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, 26 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 10 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 16:10:41,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3909a4e9-92af-4a19-b07f-10c1850373ea/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3909a4e9-92af-4a19-b07f-10c1850373ea/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3909a4e9-92af-4a19-b07f-10c1850373ea/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_3909a4e9-92af-4a19-b07f-10c1850373ea/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3909a4e9-92af-4a19-b07f-10c1850373ea/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_64_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3909a4e9-92af-4a19-b07f-10c1850373ea/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_3909a4e9-92af-4a19-b07f-10c1850373ea/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 648c3469cfe2e6a0d5bec3ee07ed5a66fb8ad7901c37cba1be099c8992bd77c7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:10:43,830 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:10:43,906 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3909a4e9-92af-4a19-b07f-10c1850373ea/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-08 16:10:43,911 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:10:43,912 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:10:43,912 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-08 16:10:43,951 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:10:43,951 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:10:43,952 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:10:43,952 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:10:43,953 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:10:43,953 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:10:43,954 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:10:43,954 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:10:43,955 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:10:43,955 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:10:43,956 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:10:43,956 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:10:43,957 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:10:43,957 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:10:43,957 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:10:43,958 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:10:43,958 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 16:10:43,959 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 16:10:43,959 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:10:43,959 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 16:10:43,960 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 16:10:43,960 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 16:10:43,961 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:10:43,961 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:10:43,962 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:10:43,962 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:10:43,962 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:10:43,963 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:10:43,963 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:10:43,964 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:10:43,964 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:10:43,964 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:10:43,965 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 16:10:43,965 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 16:10:43,965 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:10:43,966 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:10:43,966 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:10:43,966 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:10:43,967 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_3909a4e9-92af-4a19-b07f-10c1850373ea/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3909a4e9-92af-4a19-b07f-10c1850373ea/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 648c3469cfe2e6a0d5bec3ee07ed5a66fb8ad7901c37cba1be099c8992bd77c7 [2024-11-08 16:10:44,343 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:10:44,372 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:10:44,376 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:10:44,378 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:10:44,379 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:10:44,380 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3909a4e9-92af-4a19-b07f-10c1850373ea/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_64_bad.i Unable to find full path for "g++" [2024-11-08 16:10:46,686 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:10:47,090 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:10:47,091 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3909a4e9-92af-4a19-b07f-10c1850373ea/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_64_bad.i [2024-11-08 16:10:47,114 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3909a4e9-92af-4a19-b07f-10c1850373ea/bin/uautomizer-verify-jihMAELWvX/data/912f8798d/81029ba533ef48bcb771cf1d8394f87f/FLAG4934a7ed5 [2024-11-08 16:10:47,138 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3909a4e9-92af-4a19-b07f-10c1850373ea/bin/uautomizer-verify-jihMAELWvX/data/912f8798d/81029ba533ef48bcb771cf1d8394f87f [2024-11-08 16:10:47,143 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:10:47,148 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:10:47,149 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:10:47,150 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:10:47,157 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:10:47,158 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:10:47" (1/1) ... [2024-11-08 16:10:47,161 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23224cbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:10:47, skipping insertion in model container [2024-11-08 16:10:47,161 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:10:47" (1/1) ... [2024-11-08 16:10:47,278 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:10:49,282 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 16:10:49,286 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:10:49,309 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:10:49,488 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:10:49,731 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:10:49,731 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:10:49 WrapperNode [2024-11-08 16:10:49,732 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:10:49,733 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:10:49,733 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:10:49,733 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:10:49,742 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:10:49" (1/1) ... [2024-11-08 16:10:49,784 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:10:49" (1/1) ... [2024-11-08 16:10:49,813 INFO L138 Inliner]: procedures = 942, calls = 33, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 73 [2024-11-08 16:10:49,814 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:10:49,815 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:10:49,815 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:10:49,815 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:10:49,832 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:10:49" (1/1) ... [2024-11-08 16:10:49,832 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:10:49" (1/1) ... [2024-11-08 16:10:49,841 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:10:49" (1/1) ... [2024-11-08 16:10:49,867 INFO L175 MemorySlicer]: Split 4 memory accesses to 2 slices as follows [1, 3]. 75 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1, 0]. The 2 writes are split as follows [0, 2]. [2024-11-08 16:10:49,871 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:10:49" (1/1) ... [2024-11-08 16:10:49,871 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:10:49" (1/1) ... [2024-11-08 16:10:49,886 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:10:49" (1/1) ... [2024-11-08 16:10:49,892 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:10:49" (1/1) ... [2024-11-08 16:10:49,898 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:10:49" (1/1) ... [2024-11-08 16:10:49,899 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:10:49" (1/1) ... [2024-11-08 16:10:49,906 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:10:49,910 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:10:49,911 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:10:49,911 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:10:49,912 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:10:49" (1/1) ... [2024-11-08 16:10:49,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:10:49,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3909a4e9-92af-4a19-b07f-10c1850373ea/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:10:49,954 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3909a4e9-92af-4a19-b07f-10c1850373ea/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:10:49,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3909a4e9-92af-4a19-b07f-10c1850373ea/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:10:49,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:10:49,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:10:49,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:10:49,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 16:10:49,985 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 16:10:49,985 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 16:10:49,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 16:10:49,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 16:10:49,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-08 16:10:49,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-08 16:10:49,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-08 16:10:49,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-08 16:10:49,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-08 16:10:50,222 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:10:50,225 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:10:51,648 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-08 16:10:51,648 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:10:51,662 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:10:51,662 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 16:10:51,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:10:51 BoogieIcfgContainer [2024-11-08 16:10:51,664 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:10:51,668 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:10:51,668 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:10:51,672 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:10:51,673 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:10:47" (1/3) ... [2024-11-08 16:10:51,674 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@745562bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:10:51, skipping insertion in model container [2024-11-08 16:10:51,674 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:10:49" (2/3) ... [2024-11-08 16:10:51,676 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@745562bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:10:51, skipping insertion in model container [2024-11-08 16:10:51,676 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:10:51" (3/3) ... [2024-11-08 16:10:51,677 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_square_64_bad.i [2024-11-08 16:10:51,697 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:10:51,697 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 16:10:51,764 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:10:51,773 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;@7d9a0e19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:10:51,773 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 16:10:51,778 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 19 states have internal predecessors, (21), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-08 16:10:51,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 16:10:51,787 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:10:51,787 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:10:51,788 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 16:10:51,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:10:51,797 INFO L85 PathProgramCache]: Analyzing trace with hash 1415281768, now seen corresponding path program 1 times [2024-11-08 16:10:51,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:10:51,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [476201024] [2024-11-08 16:10:51,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:10:51,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:10:51,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3909a4e9-92af-4a19-b07f-10c1850373ea/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:10:51,816 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3909a4e9-92af-4a19-b07f-10c1850373ea/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:10:51,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3909a4e9-92af-4a19-b07f-10c1850373ea/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 16:10:53,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:10:53,439 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:10:55,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:10:55,415 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-08 16:10:55,417 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 16:10:55,419 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-08 16:10:55,421 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-08 16:10:55,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3909a4e9-92af-4a19-b07f-10c1850373ea/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 16:10:55,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3909a4e9-92af-4a19-b07f-10c1850373ea/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:10:55,626 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-08 16:10:55,654 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 16:10:55,657 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 04:10:55 BoogieIcfgContainer [2024-11-08 16:10:55,657 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 16:10:55,658 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 16:10:55,658 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 16:10:55,658 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 16:10:55,660 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:10:51" (3/4) ... [2024-11-08 16:10:55,663 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 16:10:55,664 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 16:10:55,665 INFO L158 Benchmark]: Toolchain (without parser) took 8517.20ms. Allocated memory was 71.3MB in the beginning and 138.4MB in the end (delta: 67.1MB). Free memory was 37.5MB in the beginning and 90.9MB in the end (delta: -53.5MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2024-11-08 16:10:55,666 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 71.3MB. Free memory is still 47.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:10:55,666 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2582.96ms. Allocated memory was 71.3MB in the beginning and 138.4MB in the end (delta: 67.1MB). Free memory was 37.3MB in the beginning and 97.3MB in the end (delta: -60.0MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. [2024-11-08 16:10:55,669 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.31ms. Allocated memory is still 138.4MB. Free memory was 97.3MB in the beginning and 93.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 16:10:55,670 INFO L158 Benchmark]: Boogie Preprocessor took 94.81ms. Allocated memory is still 138.4MB. Free memory was 93.1MB in the beginning and 90.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:10:55,671 INFO L158 Benchmark]: RCFGBuilder took 1753.33ms. Allocated memory is still 138.4MB. Free memory was 90.5MB in the beginning and 74.2MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 16:10:55,673 INFO L158 Benchmark]: TraceAbstraction took 3989.35ms. Allocated memory is still 138.4MB. Free memory was 72.9MB in the beginning and 90.9MB in the end (delta: -18.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:10:55,674 INFO L158 Benchmark]: Witness Printer took 6.08ms. Allocated memory is still 138.4MB. Free memory is still 90.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:10:55,678 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 71.3MB. Free memory is still 47.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2582.96ms. Allocated memory was 71.3MB in the beginning and 138.4MB in the end (delta: 67.1MB). Free memory was 37.3MB in the beginning and 97.3MB in the end (delta: -60.0MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.31ms. Allocated memory is still 138.4MB. Free memory was 97.3MB in the beginning and 93.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 94.81ms. Allocated memory is still 138.4MB. Free memory was 93.1MB in the beginning and 90.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1753.33ms. Allocated memory is still 138.4MB. Free memory was 90.5MB in the beginning and 74.2MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3989.35ms. Allocated memory is still 138.4MB. Free memory was 72.9MB in the beginning and 90.9MB in the end (delta: -18.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.08ms. Allocated memory is still 138.4MB. Free memory is still 90.9MB. 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: 1863]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1841, overapproximation of large string literal at line 1853, overapproximation of fgets at line 1839. 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] [L1853] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1853] 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] [L1854] CALL CWE190_Integer_Overflow__int_fgets_square_64_bad() [L1835] int data; [L1836] data = 0 [L1838] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={17179869186:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1839] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1841] data = atoi(inputBuffer) [L1841] data = atoi(inputBuffer) [L1848] CALL CWE190_Integer_Overflow__int_fgets_square_64b_badSink(&data) [L1860] int * dataPtr = (int *)dataVoidPtr; [L1861] EXPR \read(*dataPtr) [L1861] int data = (*dataPtr); [L1863] data * data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1863]: 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, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 3.9s, 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=24occurred 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, 1.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 16:10:55,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3909a4e9-92af-4a19-b07f-10c1850373ea/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