./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_52_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e7fbc69 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_16f7dd5d-acb5-44b4-bd26-c76ab30970c1/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f7dd5d-acb5-44b4-bd26-c76ab30970c1/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f7dd5d-acb5-44b4-bd26-c76ab30970c1/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f7dd5d-acb5-44b4-bd26-c76ab30970c1/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f7dd5d-acb5-44b4-bd26-c76ab30970c1/bin/uautomizer-QkZJyEgLgS/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f7dd5d-acb5-44b4-bd26-c76ab30970c1/bin/uautomizer-QkZJyEgLgS --witnessprinter.witness.filename witness.graphml --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 3135e8c6758499d8c104b4505b2fe7ef12fcc55aa500301327caff1a32dcb551 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 03:16:10,152 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 03:16:10,154 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 03:16:10,176 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 03:16:10,176 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 03:16:10,177 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 03:16:10,179 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 03:16:10,181 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 03:16:10,182 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 03:16:10,183 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 03:16:10,184 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 03:16:10,186 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 03:16:10,186 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 03:16:10,187 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 03:16:10,189 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 03:16:10,190 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 03:16:10,191 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 03:16:10,192 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 03:16:10,194 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 03:16:10,196 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 03:16:10,197 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 03:16:10,199 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 03:16:10,200 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 03:16:10,201 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 03:16:10,205 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 03:16:10,206 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 03:16:10,206 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 03:16:10,207 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 03:16:10,207 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 03:16:10,209 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 03:16:10,209 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 03:16:10,210 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 03:16:10,211 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 03:16:10,212 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 03:16:10,213 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 03:16:10,213 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 03:16:10,214 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 03:16:10,214 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 03:16:10,215 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 03:16:10,216 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 03:16:10,217 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 03:16:10,218 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f7dd5d-acb5-44b4-bd26-c76ab30970c1/bin/uautomizer-QkZJyEgLgS/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-23 03:16:10,272 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 03:16:10,273 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 03:16:10,273 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 03:16:10,273 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 03:16:10,274 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 03:16:10,274 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 03:16:10,275 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 03:16:10,275 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 03:16:10,276 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 03:16:10,276 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 03:16:10,276 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 03:16:10,276 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 03:16:10,277 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 03:16:10,277 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 03:16:10,277 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 03:16:10,277 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 03:16:10,277 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 03:16:10,278 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 03:16:10,278 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 03:16:10,278 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 03:16:10,278 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 03:16:10,278 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 03:16:10,279 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 03:16:10,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 03:16:10,279 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 03:16:10,279 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 03:16:10,280 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 03:16:10,280 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 03:16:10,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 03:16:10,280 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 03:16:10,280 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 03:16:10,281 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 03:16:10,281 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 03:16:10,281 INFO L138 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_16f7dd5d-acb5-44b4-bd26-c76ab30970c1/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f7dd5d-acb5-44b4-bd26-c76ab30970c1/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3135e8c6758499d8c104b4505b2fe7ef12fcc55aa500301327caff1a32dcb551 [2022-11-23 03:16:10,567 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 03:16:10,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 03:16:10,600 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 03:16:10,602 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 03:16:10,602 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 03:16:10,604 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f7dd5d-acb5-44b4-bd26-c76ab30970c1/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_52_bad.i [2022-11-23 03:16:13,519 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 03:16:13,993 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 03:16:13,993 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f7dd5d-acb5-44b4-bd26-c76ab30970c1/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_52_bad.i [2022-11-23 03:16:14,025 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f7dd5d-acb5-44b4-bd26-c76ab30970c1/bin/uautomizer-QkZJyEgLgS/data/2bffacd95/59e78de221ff48c3aa188d584c9f3919/FLAGfc12c6d32 [2022-11-23 03:16:14,046 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f7dd5d-acb5-44b4-bd26-c76ab30970c1/bin/uautomizer-QkZJyEgLgS/data/2bffacd95/59e78de221ff48c3aa188d584c9f3919 [2022-11-23 03:16:14,050 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 03:16:14,054 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 03:16:14,057 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 03:16:14,057 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 03:16:14,061 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 03:16:14,062 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:16:14" (1/1) ... [2022-11-23 03:16:14,063 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d95fe6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:14, skipping insertion in model container [2022-11-23 03:16:14,064 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:16:14" (1/1) ... [2022-11-23 03:16:14,073 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 03:16:14,210 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 03:16:14,650 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 03:16:15,627 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 03:16:15,644 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 03:16:15,681 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 03:16:15,817 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 03:16:16,244 INFO L208 MainTranslator]: Completed translation [2022-11-23 03:16:16,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:16 WrapperNode [2022-11-23 03:16:16,245 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 03:16:16,246 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 03:16:16,246 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 03:16:16,246 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 03:16:16,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:16" (1/1) ... [2022-11-23 03:16:16,280 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:16" (1/1) ... [2022-11-23 03:16:16,307 INFO L138 Inliner]: procedures = 940, calls = 64, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 55 [2022-11-23 03:16:16,308 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 03:16:16,308 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 03:16:16,308 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 03:16:16,309 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 03:16:16,326 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:16" (1/1) ... [2022-11-23 03:16:16,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:16" (1/1) ... [2022-11-23 03:16:16,329 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:16" (1/1) ... [2022-11-23 03:16:16,330 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:16" (1/1) ... [2022-11-23 03:16:16,335 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:16" (1/1) ... [2022-11-23 03:16:16,337 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:16" (1/1) ... [2022-11-23 03:16:16,339 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:16" (1/1) ... [2022-11-23 03:16:16,351 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:16" (1/1) ... [2022-11-23 03:16:16,354 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 03:16:16,370 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 03:16:16,371 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 03:16:16,371 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 03:16:16,372 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:16" (1/1) ... [2022-11-23 03:16:16,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 03:16:16,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f7dd5d-acb5-44b4-bd26-c76ab30970c1/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:16:16,421 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f7dd5d-acb5-44b4-bd26-c76ab30970c1/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 03:16:16,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f7dd5d-acb5-44b4-bd26-c76ab30970c1/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 03:16:16,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 03:16:16,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 03:16:16,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 03:16:16,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 03:16:16,458 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-23 03:16:16,458 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-23 03:16:16,458 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-23 03:16:16,458 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-23 03:16:16,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 03:16:16,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-23 03:16:16,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 03:16:16,607 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 03:16:16,610 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 03:16:16,847 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 03:16:16,865 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 03:16:16,865 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 03:16:16,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:16:16 BoogieIcfgContainer [2022-11-23 03:16:16,867 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 03:16:16,870 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 03:16:16,870 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 03:16:16,873 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 03:16:16,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:16:14" (1/3) ... [2022-11-23 03:16:16,874 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f1276b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:16:16, skipping insertion in model container [2022-11-23 03:16:16,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:16" (2/3) ... [2022-11-23 03:16:16,877 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f1276b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:16:16, skipping insertion in model container [2022-11-23 03:16:16,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:16:16" (3/3) ... [2022-11-23 03:16:16,880 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_square_52_bad.i [2022-11-23 03:16:16,898 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 03:16:16,899 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-23 03:16:16,967 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 03:16:16,976 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@3a2a4126, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 03:16:16,976 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-23 03:16:16,983 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 20 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) [2022-11-23 03:16:16,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-23 03:16:16,991 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:16:16,992 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:16:16,993 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-23 03:16:17,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:16:17,000 INFO L85 PathProgramCache]: Analyzing trace with hash -391249206, now seen corresponding path program 1 times [2022-11-23 03:16:17,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:16:17,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709602107] [2022-11-23 03:16:17,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:16:17,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:16:17,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:16:17,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 03:16:17,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:16:17,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:16:17,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:16:17,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709602107] [2022-11-23 03:16:17,329 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709602107] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:16:17,330 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:16:17,330 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-23 03:16:17,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673271397] [2022-11-23 03:16:17,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:16:17,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 03:16:17,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:16:17,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 03:16:17,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 03:16:17,368 INFO L87 Difference]: Start difference. First operand has 24 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 20 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) [2022-11-23 03:16:17,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:16:17,387 INFO L93 Difference]: Finished difference Result 24 states and 27 transitions. [2022-11-23 03:16:17,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 03:16:17,389 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 [2022-11-23 03:16:17,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:16:17,396 INFO L225 Difference]: With dead ends: 24 [2022-11-23 03:16:17,396 INFO L226 Difference]: Without dead ends: 14 [2022-11-23 03:16:17,399 INFO L412 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 [2022-11-23 03:16:17,403 INFO L413 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 [2022-11-23 03:16:17,404 INFO L414 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] [2022-11-23 03:16:17,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-23 03:16:17,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-11-23 03:16:17,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 10 states have (on average 1.2) internal successors, (12), 11 states have internal predecessors, (12), 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) [2022-11-23 03:16:17,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2022-11-23 03:16:17,442 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 16 transitions. Word has length 11 [2022-11-23 03:16:17,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:16:17,444 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 16 transitions. [2022-11-23 03:16:17,444 INFO L496 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) [2022-11-23 03:16:17,444 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2022-11-23 03:16:17,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-23 03:16:17,446 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:16:17,446 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:16:17,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 03:16:17,447 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-23 03:16:17,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:16:17,448 INFO L85 PathProgramCache]: Analyzing trace with hash 756176556, now seen corresponding path program 1 times [2022-11-23 03:16:17,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:16:17,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850883792] [2022-11-23 03:16:17,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:16:17,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:16:17,482 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 03:16:17,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1933873882] [2022-11-23 03:16:17,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:16:17,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 03:16:17,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f7dd5d-acb5-44b4-bd26-c76ab30970c1/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:16:17,486 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f7dd5d-acb5-44b4-bd26-c76ab30970c1/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 03:16:17,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f7dd5d-acb5-44b4-bd26-c76ab30970c1/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 03:16:17,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:16:17,640 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:16:17,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:16:17,686 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:16:17,687 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 03:16:17,690 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-23 03:16:17,695 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-23 03:16:17,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f7dd5d-acb5-44b4-bd26-c76ab30970c1/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 03:16:17,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f7dd5d-acb5-44b4-bd26-c76ab30970c1/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 03:16:17,913 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-23 03:16:17,918 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 03:16:17,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:16:17 BoogieIcfgContainer [2022-11-23 03:16:17,976 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 03:16:17,977 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 03:16:17,977 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 03:16:17,977 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 03:16:17,978 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:16:16" (3/4) ... [2022-11-23 03:16:17,983 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-23 03:16:17,983 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 03:16:17,986 INFO L158 Benchmark]: Toolchain (without parser) took 3929.87ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 137.5MB in the beginning and 105.6MB in the end (delta: 31.9MB). Peak memory consumption was 67.6MB. Max. memory is 16.1GB. [2022-11-23 03:16:17,990 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 125.8MB. Free memory is still 94.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 03:16:17,990 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2188.51ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 136.6MB in the beginning and 165.3MB in the end (delta: -28.8MB). Peak memory consumption was 86.8MB. Max. memory is 16.1GB. [2022-11-23 03:16:17,991 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.85ms. Allocated memory is still 205.5MB. Free memory was 165.3MB in the beginning and 161.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 03:16:17,991 INFO L158 Benchmark]: Boogie Preprocessor took 46.21ms. Allocated memory is still 205.5MB. Free memory was 161.1MB in the beginning and 160.1MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 03:16:17,992 INFO L158 Benchmark]: RCFGBuilder took 497.22ms. Allocated memory is still 205.5MB. Free memory was 160.1MB in the beginning and 144.3MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-23 03:16:17,992 INFO L158 Benchmark]: TraceAbstraction took 1106.32ms. Allocated memory is still 205.5MB. Free memory was 144.3MB in the beginning and 106.6MB in the end (delta: 37.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2022-11-23 03:16:17,993 INFO L158 Benchmark]: Witness Printer took 7.10ms. Allocated memory is still 205.5MB. Free memory was 106.6MB in the beginning and 105.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 03:16:17,995 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 125.8MB. Free memory is still 94.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2188.51ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 136.6MB in the beginning and 165.3MB in the end (delta: -28.8MB). Peak memory consumption was 86.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.85ms. Allocated memory is still 205.5MB. Free memory was 165.3MB in the beginning and 161.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.21ms. Allocated memory is still 205.5MB. Free memory was 161.1MB in the beginning and 160.1MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 497.22ms. Allocated memory is still 205.5MB. Free memory was 160.1MB in the beginning and 144.3MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1106.32ms. Allocated memory is still 205.5MB. Free memory was 144.3MB in the beginning and 106.6MB in the end (delta: 37.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Witness Printer took 7.10ms. Allocated memory is still 205.5MB. Free memory was 106.6MB in the beginning and 105.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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: 1866]: 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. 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 [#in~line={4:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1853] RET printLine("Calling bad()...") VAL [#in~argv={30:31}, argc=29, argv={30:31}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, unknown-#in~argc-unknown=29] [L1854] CALL CWE190_Integer_Overflow__int_fgets_square_52_bad() [L1835] int data; [L1836] data = 0 [L1838] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1839] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1841] data = atoi(inputBuffer) [L1838] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1848] CALL CWE190_Integer_Overflow__int_fgets_square_52b_badSink(data) [L1861] CALL CWE190_Integer_Overflow__int_fgets_square_52c_badSink(data) [L1866] data * data VAL [data=-715827881, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, unknown-#in~data-unknown=-715827881] - UnprovableResult [Line: 1866]: 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: 1.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 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, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 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 [2022-11-23 03:16:18,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f7dd5d-acb5-44b4-bd26-c76ab30970c1/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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_16f7dd5d-acb5-44b4-bd26-c76ab30970c1/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f7dd5d-acb5-44b4-bd26-c76ab30970c1/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f7dd5d-acb5-44b4-bd26-c76ab30970c1/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f7dd5d-acb5-44b4-bd26-c76ab30970c1/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f7dd5d-acb5-44b4-bd26-c76ab30970c1/bin/uautomizer-QkZJyEgLgS/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f7dd5d-acb5-44b4-bd26-c76ab30970c1/bin/uautomizer-QkZJyEgLgS --witnessprinter.witness.filename witness.graphml --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 3135e8c6758499d8c104b4505b2fe7ef12fcc55aa500301327caff1a32dcb551 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 03:16:20,544 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 03:16:20,547 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 03:16:20,613 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 03:16:20,614 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 03:16:20,618 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 03:16:20,621 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 03:16:20,624 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 03:16:20,627 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 03:16:20,633 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 03:16:20,634 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 03:16:20,640 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 03:16:20,641 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 03:16:20,643 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 03:16:20,645 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 03:16:20,646 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 03:16:20,650 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 03:16:20,651 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 03:16:20,653 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 03:16:20,657 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 03:16:20,659 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 03:16:20,662 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 03:16:20,664 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 03:16:20,665 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 03:16:20,675 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 03:16:20,676 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 03:16:20,676 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 03:16:20,678 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 03:16:20,678 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 03:16:20,679 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 03:16:20,680 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 03:16:20,681 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 03:16:20,683 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 03:16:20,684 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 03:16:20,685 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 03:16:20,685 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 03:16:20,686 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 03:16:20,686 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 03:16:20,686 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 03:16:20,687 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 03:16:20,688 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 03:16:20,693 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f7dd5d-acb5-44b4-bd26-c76ab30970c1/bin/uautomizer-QkZJyEgLgS/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-11-23 03:16:20,734 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 03:16:20,734 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 03:16:20,735 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 03:16:20,736 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 03:16:20,738 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 03:16:20,738 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 03:16:20,739 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 03:16:20,739 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 03:16:20,739 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 03:16:20,740 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 03:16:20,741 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 03:16:20,741 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 03:16:20,741 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 03:16:20,741 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 03:16:20,742 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 03:16:20,742 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 03:16:20,742 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-23 03:16:20,742 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 03:16:20,742 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-23 03:16:20,743 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 03:16:20,743 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 03:16:20,743 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 03:16:20,743 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 03:16:20,743 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 03:16:20,744 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 03:16:20,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 03:16:20,744 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 03:16:20,744 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 03:16:20,745 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 03:16:20,745 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-23 03:16:20,745 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-23 03:16:20,745 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 03:16:20,746 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 03:16:20,746 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 03:16:20,746 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 03:16:20,746 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-11-23 03:16:20,746 INFO L138 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_16f7dd5d-acb5-44b4-bd26-c76ab30970c1/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f7dd5d-acb5-44b4-bd26-c76ab30970c1/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3135e8c6758499d8c104b4505b2fe7ef12fcc55aa500301327caff1a32dcb551 [2022-11-23 03:16:21,159 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 03:16:21,187 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 03:16:21,190 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 03:16:21,191 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 03:16:21,192 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 03:16:21,194 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f7dd5d-acb5-44b4-bd26-c76ab30970c1/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_52_bad.i [2022-11-23 03:16:24,416 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 03:16:24,858 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 03:16:24,858 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f7dd5d-acb5-44b4-bd26-c76ab30970c1/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_52_bad.i [2022-11-23 03:16:24,898 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f7dd5d-acb5-44b4-bd26-c76ab30970c1/bin/uautomizer-QkZJyEgLgS/data/cfb1d7d2a/32a1389c851744dda5db45c71cba5cd7/FLAG1572f3b41 [2022-11-23 03:16:24,913 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f7dd5d-acb5-44b4-bd26-c76ab30970c1/bin/uautomizer-QkZJyEgLgS/data/cfb1d7d2a/32a1389c851744dda5db45c71cba5cd7 [2022-11-23 03:16:24,916 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 03:16:24,918 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 03:16:24,921 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 03:16:24,921 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 03:16:24,924 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 03:16:24,925 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:16:24" (1/1) ... [2022-11-23 03:16:24,926 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59cf2bf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:24, skipping insertion in model container [2022-11-23 03:16:24,927 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:16:24" (1/1) ... [2022-11-23 03:16:24,934 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 03:16:25,011 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 03:16:25,416 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 03:16:26,605 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 03:16:26,627 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 03:16:26,673 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 03:16:26,740 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 03:16:27,154 INFO L208 MainTranslator]: Completed translation [2022-11-23 03:16:27,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:27 WrapperNode [2022-11-23 03:16:27,154 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 03:16:27,156 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 03:16:27,156 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 03:16:27,156 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 03:16:27,164 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:27" (1/1) ... [2022-11-23 03:16:27,221 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:27" (1/1) ... [2022-11-23 03:16:27,262 INFO L138 Inliner]: procedures = 945, calls = 64, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 54 [2022-11-23 03:16:27,264 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 03:16:27,265 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 03:16:27,265 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 03:16:27,265 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 03:16:27,275 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:27" (1/1) ... [2022-11-23 03:16:27,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:27" (1/1) ... [2022-11-23 03:16:27,290 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:27" (1/1) ... [2022-11-23 03:16:27,291 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:27" (1/1) ... [2022-11-23 03:16:27,305 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:27" (1/1) ... [2022-11-23 03:16:27,315 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:27" (1/1) ... [2022-11-23 03:16:27,321 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:27" (1/1) ... [2022-11-23 03:16:27,323 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:27" (1/1) ... [2022-11-23 03:16:27,326 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 03:16:27,329 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 03:16:27,329 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 03:16:27,329 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 03:16:27,351 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:27" (1/1) ... [2022-11-23 03:16:27,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 03:16:27,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f7dd5d-acb5-44b4-bd26-c76ab30970c1/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:16:27,378 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f7dd5d-acb5-44b4-bd26-c76ab30970c1/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 03:16:27,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f7dd5d-acb5-44b4-bd26-c76ab30970c1/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 03:16:27,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 03:16:27,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 03:16:27,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 03:16:27,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 03:16:27,422 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-23 03:16:27,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-23 03:16:27,422 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-23 03:16:27,422 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-23 03:16:27,422 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-23 03:16:27,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 03:16:27,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-23 03:16:27,593 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 03:16:27,595 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 03:16:28,447 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 03:16:28,453 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 03:16:28,453 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 03:16:28,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:16:28 BoogieIcfgContainer [2022-11-23 03:16:28,455 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 03:16:28,457 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 03:16:28,457 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 03:16:28,461 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 03:16:28,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:16:24" (1/3) ... [2022-11-23 03:16:28,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64f67d54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:16:28, skipping insertion in model container [2022-11-23 03:16:28,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:27" (2/3) ... [2022-11-23 03:16:28,463 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64f67d54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:16:28, skipping insertion in model container [2022-11-23 03:16:28,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:16:28" (3/3) ... [2022-11-23 03:16:28,464 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_square_52_bad.i [2022-11-23 03:16:28,483 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 03:16:28,483 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-23 03:16:28,539 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 03:16:28,545 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@348017e5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 03:16:28,548 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-23 03:16:28,553 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 20 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) [2022-11-23 03:16:28,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-23 03:16:28,561 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:16:28,562 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:16:28,563 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-23 03:16:28,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:16:28,572 INFO L85 PathProgramCache]: Analyzing trace with hash -391249206, now seen corresponding path program 1 times [2022-11-23 03:16:28,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 03:16:28,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [773823584] [2022-11-23 03:16:28,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:16:28,590 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 03:16:28,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f7dd5d-acb5-44b4-bd26-c76ab30970c1/bin/uautomizer-QkZJyEgLgS/mathsat [2022-11-23 03:16:28,591 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f7dd5d-acb5-44b4-bd26-c76ab30970c1/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 03:16:28,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f7dd5d-acb5-44b4-bd26-c76ab30970c1/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-23 03:16:28,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:16:28,795 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:16:28,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:16:28,903 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-11-23 03:16:28,906 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 03:16:28,907 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-23 03:16:28,909 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-23 03:16:28,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f7dd5d-acb5-44b4-bd26-c76ab30970c1/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-11-23 03:16:29,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f7dd5d-acb5-44b4-bd26-c76ab30970c1/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 03:16:29,114 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-23 03:16:29,118 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 03:16:29,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:16:29 BoogieIcfgContainer [2022-11-23 03:16:29,148 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 03:16:29,149 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 03:16:29,149 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 03:16:29,149 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 03:16:29,150 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:16:28" (3/4) ... [2022-11-23 03:16:29,153 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-23 03:16:29,153 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 03:16:29,154 INFO L158 Benchmark]: Toolchain (without parser) took 4236.18ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 59.4MB in the beginning and 35.8MB in the end (delta: 23.5MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. [2022-11-23 03:16:29,155 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 81.8MB. Free memory is still 60.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 03:16:29,155 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2234.31ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 59.1MB in the beginning and 36.2MB in the end (delta: 22.9MB). Peak memory consumption was 40.6MB. Max. memory is 16.1GB. [2022-11-23 03:16:29,156 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.17ms. Allocated memory is still 98.6MB. Free memory was 36.2MB in the beginning and 32.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 03:16:29,157 INFO L158 Benchmark]: Boogie Preprocessor took 61.34ms. Allocated memory is still 98.6MB. Free memory was 32.0MB in the beginning and 29.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 03:16:29,157 INFO L158 Benchmark]: RCFGBuilder took 1126.22ms. Allocated memory is still 98.6MB. Free memory was 29.9MB in the beginning and 54.5MB in the end (delta: -24.6MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. [2022-11-23 03:16:29,158 INFO L158 Benchmark]: TraceAbstraction took 691.29ms. Allocated memory is still 98.6MB. Free memory was 53.4MB in the beginning and 35.8MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-23 03:16:29,158 INFO L158 Benchmark]: Witness Printer took 4.18ms. Allocated memory is still 98.6MB. Free memory is still 35.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 03:16:29,161 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 81.8MB. Free memory is still 60.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2234.31ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 59.1MB in the beginning and 36.2MB in the end (delta: 22.9MB). Peak memory consumption was 40.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 108.17ms. Allocated memory is still 98.6MB. Free memory was 36.2MB in the beginning and 32.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.34ms. Allocated memory is still 98.6MB. Free memory was 32.0MB in the beginning and 29.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1126.22ms. Allocated memory is still 98.6MB. Free memory was 29.9MB in the beginning and 54.5MB in the end (delta: -24.6MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. * TraceAbstraction took 691.29ms. Allocated memory is still 98.6MB. Free memory was 53.4MB in the beginning and 35.8MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.18ms. Allocated memory is still 98.6MB. Free memory is still 35.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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: 1866]: 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. 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 [#in~line={4:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1853] RET printLine("Calling bad()...") VAL [#in~argv={13:12}, argc=12, argv={13:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, unknown-#in~argc-unknown=12] [L1854] CALL CWE190_Integer_Overflow__int_fgets_square_52_bad() [L1835] int data; [L1836] data = 0 [L1838] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1839] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1841] data = atoi(inputBuffer) [L1838] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1848] CALL CWE190_Integer_Overflow__int_fgets_square_52b_badSink(data) [L1861] CALL CWE190_Integer_Overflow__int_fgets_square_52c_badSink(data) [L1866] data * data VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, unknown-#in~data-unknown=-2147483648] - UnprovableResult [Line: 1866]: 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: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=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, 0.1s 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 [2022-11-23 03:16:29,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f7dd5d-acb5-44b4-bd26-c76ab30970c1/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample