./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_14_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_0f2c6b99-34cf-4bee-9206-dc2df878553d/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2c6b99-34cf-4bee-9206-dc2df878553d/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2c6b99-34cf-4bee-9206-dc2df878553d/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2c6b99-34cf-4bee-9206-dc2df878553d/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_14_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2c6b99-34cf-4bee-9206-dc2df878553d/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2c6b99-34cf-4bee-9206-dc2df878553d/bin/ukojak-verify-1t5iHCbJaC --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 32bde7eeae2a067ecd6e62ce86b7b466cec584089d07daf0a235a3d38a08ce05 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:30:08,861 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:30:09,017 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2c6b99-34cf-4bee-9206-dc2df878553d/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:30:09,025 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:30:09,026 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:30:09,073 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:30:09,074 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:30:09,075 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:30:09,077 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:30:09,082 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:30:09,083 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:30:09,083 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:30:09,084 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:30:09,086 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:30:09,086 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:30:09,087 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:30:09,087 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:30:09,088 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:30:09,088 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:30:09,089 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:30:09,090 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:30:09,091 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:30:09,091 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:30:09,092 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:30:09,092 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:30:09,093 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:30:09,093 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:30:09,094 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:30:09,094 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:30:09,095 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:30:09,096 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:30:09,097 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:30:09,097 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2c6b99-34cf-4bee-9206-dc2df878553d/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2c6b99-34cf-4bee-9206-dc2df878553d/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32bde7eeae2a067ecd6e62ce86b7b466cec584089d07daf0a235a3d38a08ce05 [2023-11-23 20:30:09,484 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:30:09,520 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:30:09,524 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:30:09,526 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:30:09,526 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:30:09,528 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2c6b99-34cf-4bee-9206-dc2df878553d/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_14_bad.i [2023-11-23 20:30:12,754 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:30:13,232 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:30:13,233 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2c6b99-34cf-4bee-9206-dc2df878553d/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_14_bad.i [2023-11-23 20:30:13,262 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2c6b99-34cf-4bee-9206-dc2df878553d/bin/ukojak-verify-1t5iHCbJaC/data/d6c7542f2/fcf3cf2cfdc34aea880797bad2660a93/FLAG15f3f18b7 [2023-11-23 20:30:13,281 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2c6b99-34cf-4bee-9206-dc2df878553d/bin/ukojak-verify-1t5iHCbJaC/data/d6c7542f2/fcf3cf2cfdc34aea880797bad2660a93 [2023-11-23 20:30:13,283 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:30:13,285 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:30:13,291 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:30:13,291 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:30:13,296 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:30:13,297 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:30:13" (1/1) ... [2023-11-23 20:30:13,298 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6155a495 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:13, skipping insertion in model container [2023-11-23 20:30:13,298 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:30:13" (1/1) ... [2023-11-23 20:30:13,379 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:30:13,959 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:30:14,723 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:30:14,745 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:30:14,779 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:30:14,880 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:30:15,035 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:30:15,035 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:30:15,035 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:30:15,035 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:30:15,035 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:30:15,036 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:30:15,043 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:30:15,044 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:15 WrapperNode [2023-11-23 20:30:15,044 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:30:15,045 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:30:15,045 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:30:15,045 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:30:15,053 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:15" (1/1) ... [2023-11-23 20:30:15,096 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:15" (1/1) ... [2023-11-23 20:30:15,131 INFO L138 Inliner]: procedures = 500, calls = 64, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54 [2023-11-23 20:30:15,132 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:30:15,132 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:30:15,133 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:30:15,133 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:30:15,142 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:15" (1/1) ... [2023-11-23 20:30:15,143 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:15" (1/1) ... [2023-11-23 20:30:15,146 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:15" (1/1) ... [2023-11-23 20:30:15,147 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:15" (1/1) ... [2023-11-23 20:30:15,154 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:15" (1/1) ... [2023-11-23 20:30:15,156 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:15" (1/1) ... [2023-11-23 20:30:15,158 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:15" (1/1) ... [2023-11-23 20:30:15,159 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:15" (1/1) ... [2023-11-23 20:30:15,163 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:30:15,164 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:30:15,164 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:30:15,164 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:30:15,165 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:15" (1/1) ... [2023-11-23 20:30:15,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:30:15,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2c6b99-34cf-4bee-9206-dc2df878553d/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:30:15,222 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2c6b99-34cf-4bee-9206-dc2df878553d/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:30:15,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2c6b99-34cf-4bee-9206-dc2df878553d/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:30:15,267 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-23 20:30:15,267 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:30:15,267 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:30:15,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:30:15,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 20:30:15,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:30:15,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:30:15,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:30:15,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:30:15,268 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:30:15,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:30:15,437 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:30:15,438 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:30:15,559 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:30:15,599 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:30:15,599 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:30:15,601 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:30:15 BoogieIcfgContainer [2023-11-23 20:30:15,601 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:30:15,602 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:30:15,602 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:30:15,613 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:30:15,613 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:30:15" (1/1) ... [2023-11-23 20:30:15,621 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:30:15,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:15,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2023-11-23 20:30:15,674 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2023-11-23 20:30:15,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:30:15,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:15,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:15,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:15,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:16,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:16,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 23 transitions. [2023-11-23 20:30:16,002 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2023-11-23 20:30:16,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:30:16,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:16,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:16,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:16,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:16,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:16,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 22 transitions. [2023-11-23 20:30:16,170 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-11-23 20:30:16,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:30:16,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:16,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:16,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:30:16,224 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:30:16,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:30:16,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:30:16,310 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:30:16,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:30:16,342 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2023-11-23 20:30:16,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:30:16 ImpRootNode [2023-11-23 20:30:16,374 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:30:16,375 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:30:16,375 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:30:16,375 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:30:16,376 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:30:15" (3/4) ... [2023-11-23 20:30:16,378 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:30:16,379 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:30:16,380 INFO L158 Benchmark]: Toolchain (without parser) took 3095.12ms. Allocated memory is still 159.4MB. Free memory was 123.7MB in the beginning and 86.4MB in the end (delta: 37.3MB). Peak memory consumption was 39.9MB. Max. memory is 16.1GB. [2023-11-23 20:30:16,381 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 159.4MB. Free memory is still 127.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:30:16,381 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1753.60ms. Allocated memory is still 159.4MB. Free memory was 123.7MB in the beginning and 60.4MB in the end (delta: 63.3MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-11-23 20:30:16,382 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.97ms. Allocated memory is still 159.4MB. Free memory was 60.4MB in the beginning and 57.4MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:30:16,383 INFO L158 Benchmark]: Boogie Preprocessor took 30.30ms. Allocated memory is still 159.4MB. Free memory was 57.4MB in the beginning and 56.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:30:16,383 INFO L158 Benchmark]: RCFGBuilder took 437.76ms. Allocated memory is still 159.4MB. Free memory was 56.2MB in the beginning and 120.0MB in the end (delta: -63.7MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2023-11-23 20:30:16,384 INFO L158 Benchmark]: CodeCheck took 772.18ms. Allocated memory is still 159.4MB. Free memory was 120.0MB in the beginning and 87.5MB in the end (delta: 32.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-23 20:30:16,385 INFO L158 Benchmark]: Witness Printer took 4.40ms. Allocated memory is still 159.4MB. Free memory was 87.5MB in the beginning and 86.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:30:16,388 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 55 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 40 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 36 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 149 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 26 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, 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: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558. 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); [L1578] CALL 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, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1578] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=13, argc=13, argv={12:31}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1579] CALL CWE190_Integer_Overflow__int_fgets_multiply_14_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE globalFive==5 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] EXPR data = atoi(inputBuffer) [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1554-L1564] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] COND TRUE globalFive==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 159.4MB. Free memory is still 127.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1753.60ms. Allocated memory is still 159.4MB. Free memory was 123.7MB in the beginning and 60.4MB in the end (delta: 63.3MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.97ms. Allocated memory is still 159.4MB. Free memory was 60.4MB in the beginning and 57.4MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.30ms. Allocated memory is still 159.4MB. Free memory was 57.4MB in the beginning and 56.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 437.76ms. Allocated memory is still 159.4MB. Free memory was 56.2MB in the beginning and 120.0MB in the end (delta: -63.7MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. * CodeCheck took 772.18ms. Allocated memory is still 159.4MB. Free memory was 120.0MB in the beginning and 87.5MB in the end (delta: 32.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Witness Printer took 4.40ms. Allocated memory is still 159.4MB. Free memory was 87.5MB in the beginning and 86.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 20:30:16,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2c6b99-34cf-4bee-9206-dc2df878553d/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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_0f2c6b99-34cf-4bee-9206-dc2df878553d/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2c6b99-34cf-4bee-9206-dc2df878553d/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2c6b99-34cf-4bee-9206-dc2df878553d/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2c6b99-34cf-4bee-9206-dc2df878553d/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_14_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2c6b99-34cf-4bee-9206-dc2df878553d/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2c6b99-34cf-4bee-9206-dc2df878553d/bin/ukojak-verify-1t5iHCbJaC --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 32bde7eeae2a067ecd6e62ce86b7b466cec584089d07daf0a235a3d38a08ce05 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:30:19,325 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:30:19,491 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2c6b99-34cf-4bee-9206-dc2df878553d/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-23 20:30:19,550 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:30:19,551 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:30:19,552 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:30:19,553 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:30:19,553 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:30:19,554 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:30:19,559 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:30:19,560 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:30:19,560 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:30:19,561 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:30:19,562 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:30:19,563 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:30:19,563 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:30:19,564 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:30:19,564 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:30:19,564 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:30:19,565 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:30:19,565 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:30:19,566 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:30:19,567 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:30:19,567 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:30:19,568 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:30:19,568 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:30:19,568 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:30:19,569 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:30:19,569 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:30:19,570 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:30:19,571 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:30:19,571 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:30:19,571 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:30:19,572 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:30:19,572 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:30:19,572 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:30:19,573 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_0f2c6b99-34cf-4bee-9206-dc2df878553d/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2c6b99-34cf-4bee-9206-dc2df878553d/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32bde7eeae2a067ecd6e62ce86b7b466cec584089d07daf0a235a3d38a08ce05 [2023-11-23 20:30:20,016 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:30:20,044 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:30:20,047 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:30:20,049 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:30:20,050 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:30:20,051 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2c6b99-34cf-4bee-9206-dc2df878553d/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_14_bad.i [2023-11-23 20:30:23,282 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:30:23,822 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:30:23,823 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2c6b99-34cf-4bee-9206-dc2df878553d/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_14_bad.i [2023-11-23 20:30:23,857 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2c6b99-34cf-4bee-9206-dc2df878553d/bin/ukojak-verify-1t5iHCbJaC/data/5fb6bcfa6/d20cb791fddb4acbafe4bcfcfd0c5fa1/FLAG185e06cd4 [2023-11-23 20:30:23,878 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2c6b99-34cf-4bee-9206-dc2df878553d/bin/ukojak-verify-1t5iHCbJaC/data/5fb6bcfa6/d20cb791fddb4acbafe4bcfcfd0c5fa1 [2023-11-23 20:30:23,885 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:30:23,887 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:30:23,891 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:30:23,892 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:30:23,898 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:30:23,899 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:30:23" (1/1) ... [2023-11-23 20:30:23,901 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e89f7b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:23, skipping insertion in model container [2023-11-23 20:30:23,901 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:30:23" (1/1) ... [2023-11-23 20:30:24,010 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:30:24,528 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:30:25,290 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:30:25,307 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:30:25,347 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:30:25,472 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:30:25,650 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:30:25,650 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:30:25,651 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:30:25,651 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:30:25,651 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:30:25,651 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:30:25,660 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:30:25,661 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:25 WrapperNode [2023-11-23 20:30:25,661 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:30:25,662 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:30:25,662 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:30:25,663 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:30:25,670 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:25" (1/1) ... [2023-11-23 20:30:25,718 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:25" (1/1) ... [2023-11-23 20:30:25,745 INFO L138 Inliner]: procedures = 505, calls = 64, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 53 [2023-11-23 20:30:25,745 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:30:25,746 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:30:25,746 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:30:25,747 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:30:25,756 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:25" (1/1) ... [2023-11-23 20:30:25,757 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:25" (1/1) ... [2023-11-23 20:30:25,761 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:25" (1/1) ... [2023-11-23 20:30:25,762 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:25" (1/1) ... [2023-11-23 20:30:25,771 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:25" (1/1) ... [2023-11-23 20:30:25,774 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:25" (1/1) ... [2023-11-23 20:30:25,778 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:25" (1/1) ... [2023-11-23 20:30:25,780 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:25" (1/1) ... [2023-11-23 20:30:25,785 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:30:25,787 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:30:25,787 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:30:25,787 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:30:25,788 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:25" (1/1) ... [2023-11-23 20:30:25,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:30:25,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2c6b99-34cf-4bee-9206-dc2df878553d/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:30:25,836 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2c6b99-34cf-4bee-9206-dc2df878553d/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:30:25,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2c6b99-34cf-4bee-9206-dc2df878553d/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:30:25,880 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-23 20:30:25,881 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:30:25,881 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:30:25,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:30:25,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:30:25,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:30:25,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:30:25,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:30:25,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:30:25,882 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:30:25,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-23 20:30:26,076 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:30:26,078 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:30:26,341 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:30:26,411 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:30:26,419 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:30:26,420 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:30:26 BoogieIcfgContainer [2023-11-23 20:30:26,421 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:30:26,422 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:30:26,422 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:30:26,432 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:30:26,433 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:30:26" (1/1) ... [2023-11-23 20:30:26,444 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:30:26,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:26,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2023-11-23 20:30:26,523 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2023-11-23 20:30:26,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:30:26,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:26,532 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:30:26,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2c6b99-34cf-4bee-9206-dc2df878553d/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:30:26,540 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2c6b99-34cf-4bee-9206-dc2df878553d/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:30:26,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2c6b99-34cf-4bee-9206-dc2df878553d/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-23 20:30:26,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:26,732 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:30:26,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:26,780 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:30:26,784 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:26,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:26,847 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2c6b99-34cf-4bee-9206-dc2df878553d/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 20:30:26,854 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2c6b99-34cf-4bee-9206-dc2df878553d/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-23 20:30:26,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:26,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 28 transitions. [2023-11-23 20:30:26,935 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2023-11-23 20:30:26,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:30:26,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:26,937 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:30:26,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2c6b99-34cf-4bee-9206-dc2df878553d/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:30:26,938 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2c6b99-34cf-4bee-9206-dc2df878553d/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:30:26,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2c6b99-34cf-4bee-9206-dc2df878553d/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-23 20:30:27,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:27,116 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:30:27,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:27,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:30:27,151 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:27,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:27,167 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2c6b99-34cf-4bee-9206-dc2df878553d/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 20:30:27,172 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2c6b99-34cf-4bee-9206-dc2df878553d/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-23 20:30:27,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:27,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 27 transitions. [2023-11-23 20:30:27,208 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2023-11-23 20:30:27,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:30:27,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:27,210 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:30:27,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2c6b99-34cf-4bee-9206-dc2df878553d/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:30:27,211 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2c6b99-34cf-4bee-9206-dc2df878553d/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:30:27,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2c6b99-34cf-4bee-9206-dc2df878553d/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-23 20:30:27,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:30:27,417 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:30:27,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:30:27,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:30:27,620 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:30:27,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:30:27,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2c6b99-34cf-4bee-9206-dc2df878553d/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-23 20:30:27,693 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2023-11-23 20:30:27,726 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:30:27 ImpRootNode [2023-11-23 20:30:27,727 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:30:27,727 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:30:27,727 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:30:27,728 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:30:27,728 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:30:26" (3/4) ... [2023-11-23 20:30:27,730 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:30:27,731 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:30:27,732 INFO L158 Benchmark]: Toolchain (without parser) took 3845.55ms. Allocated memory is still 121.6MB. Free memory was 94.7MB in the beginning and 50.6MB in the end (delta: 44.1MB). Peak memory consumption was 45.0MB. Max. memory is 16.1GB. [2023-11-23 20:30:27,733 INFO L158 Benchmark]: CDTParser took 0.79ms. Allocated memory is still 62.9MB. Free memory was 39.2MB in the beginning and 39.1MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:30:27,734 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1770.83ms. Allocated memory is still 121.6MB. Free memory was 94.3MB in the beginning and 61.4MB in the end (delta: 32.9MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. [2023-11-23 20:30:27,734 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.54ms. Allocated memory is still 121.6MB. Free memory was 61.4MB in the beginning and 57.9MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:30:27,735 INFO L158 Benchmark]: Boogie Preprocessor took 39.51ms. Allocated memory is still 121.6MB. Free memory was 57.9MB in the beginning and 56.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:30:27,736 INFO L158 Benchmark]: RCFGBuilder took 634.60ms. Allocated memory is still 121.6MB. Free memory was 55.8MB in the beginning and 88.3MB in the end (delta: -32.5MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. [2023-11-23 20:30:27,737 INFO L158 Benchmark]: CodeCheck took 1304.82ms. Allocated memory is still 121.6MB. Free memory was 88.3MB in the beginning and 50.6MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-23 20:30:27,737 INFO L158 Benchmark]: Witness Printer took 4.44ms. Allocated memory is still 121.6MB. Free memory is still 50.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:30:27,740 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 47 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 52 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 26 IncrementalHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 40 mSDtfsCounter, 26 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 162 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 30 SizeOfPredicates, 0 NumberOfNonLiveVariables, 107 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, 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: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558. 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); [L1578] CALL 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, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1578] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=0, argc=0, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1579] CALL CWE190_Integer_Overflow__int_fgets_multiply_14_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE globalFive==5 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] EXPR data = atoi(inputBuffer) [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1554-L1564] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] COND TRUE globalFive==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.79ms. Allocated memory is still 62.9MB. Free memory was 39.2MB in the beginning and 39.1MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1770.83ms. Allocated memory is still 121.6MB. Free memory was 94.3MB in the beginning and 61.4MB in the end (delta: 32.9MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.54ms. Allocated memory is still 121.6MB. Free memory was 61.4MB in the beginning and 57.9MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.51ms. Allocated memory is still 121.6MB. Free memory was 57.9MB in the beginning and 56.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 634.60ms. Allocated memory is still 121.6MB. Free memory was 55.8MB in the beginning and 88.3MB in the end (delta: -32.5MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. * CodeCheck took 1304.82ms. Allocated memory is still 121.6MB. Free memory was 88.3MB in the beginning and 50.6MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Witness Printer took 4.44ms. Allocated memory is still 121.6MB. Free memory is still 50.6MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 20:30:27,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2c6b99-34cf-4bee-9206-dc2df878553d/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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