./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_42_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_0719f962-e59d-4169-bb35-d9b7b58be29d/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0719f962-e59d-4169-bb35-d9b7b58be29d/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0719f962-e59d-4169-bb35-d9b7b58be29d/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0719f962-e59d-4169-bb35-d9b7b58be29d/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0719f962-e59d-4169-bb35-d9b7b58be29d/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0719f962-e59d-4169-bb35-d9b7b58be29d/bin/ukojak-verify-afCqCEvfdi --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 e0dfbbc5e3909169e58dc95e1619f4181c5e54e95f59c0b8970a1b517b1cf071 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:56:14,428 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:56:14,574 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0719f962-e59d-4169-bb35-d9b7b58be29d/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 22:56:14,586 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:56:14,587 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:56:14,637 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:56:14,638 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:56:14,639 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:56:14,640 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:56:14,647 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:56:14,647 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:56:14,648 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:56:14,649 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:56:14,651 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:56:14,652 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:56:14,652 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:56:14,653 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:56:14,653 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:56:14,654 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:56:14,655 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:56:14,655 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:56:14,657 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:56:14,657 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:56:14,658 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:56:14,659 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:56:14,659 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:56:14,660 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:56:14,661 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:56:14,661 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:56:14,662 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:56:14,663 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:56:14,664 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:56:14,664 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_0719f962-e59d-4169-bb35-d9b7b58be29d/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0719f962-e59d-4169-bb35-d9b7b58be29d/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0dfbbc5e3909169e58dc95e1619f4181c5e54e95f59c0b8970a1b517b1cf071 [2023-11-24 22:56:15,074 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:56:15,114 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:56:15,117 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:56:15,119 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:56:15,120 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:56:15,122 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0719f962-e59d-4169-bb35-d9b7b58be29d/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_42_bad.i [2023-11-24 22:56:18,642 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:56:19,116 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:56:19,117 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0719f962-e59d-4169-bb35-d9b7b58be29d/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_42_bad.i [2023-11-24 22:56:19,151 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0719f962-e59d-4169-bb35-d9b7b58be29d/bin/ukojak-verify-afCqCEvfdi/data/0563bea0e/b49a982d2f164d32a8b20a55dc0759e8/FLAG3fb71e7f7 [2023-11-24 22:56:19,170 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0719f962-e59d-4169-bb35-d9b7b58be29d/bin/ukojak-verify-afCqCEvfdi/data/0563bea0e/b49a982d2f164d32a8b20a55dc0759e8 [2023-11-24 22:56:19,173 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:56:19,176 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:56:19,177 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:56:19,178 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:56:19,184 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:56:19,185 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:19" (1/1) ... [2023-11-24 22:56:19,187 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cc87892 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:19, skipping insertion in model container [2023-11-24 22:56:19,187 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:19" (1/1) ... [2023-11-24 22:56:19,254 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:56:20,574 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:56:20,590 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:56:20,749 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:56:20,947 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:56:20,948 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:56:20,948 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:56:20,948 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:56:20,949 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:56:20,959 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:56:20,960 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:20 WrapperNode [2023-11-24 22:56:20,960 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:56:20,962 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:56:20,962 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:56:20,962 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:56:20,972 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:20" (1/1) ... [2023-11-24 22:56:21,042 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:20" (1/1) ... [2023-11-24 22:56:21,094 INFO L138 Inliner]: procedures = 500, calls = 64, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 67 [2023-11-24 22:56:21,095 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:56:21,096 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:56:21,098 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:56:21,099 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:56:21,117 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:20" (1/1) ... [2023-11-24 22:56:21,117 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:20" (1/1) ... [2023-11-24 22:56:21,121 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:20" (1/1) ... [2023-11-24 22:56:21,122 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:20" (1/1) ... [2023-11-24 22:56:21,130 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:20" (1/1) ... [2023-11-24 22:56:21,146 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:20" (1/1) ... [2023-11-24 22:56:21,148 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:20" (1/1) ... [2023-11-24 22:56:21,150 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:20" (1/1) ... [2023-11-24 22:56:21,154 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:56:21,155 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:56:21,156 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:56:21,156 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:56:21,168 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:20" (1/1) ... [2023-11-24 22:56:21,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:56:21,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0719f962-e59d-4169-bb35-d9b7b58be29d/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:56:21,269 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0719f962-e59d-4169-bb35-d9b7b58be29d/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:56:21,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0719f962-e59d-4169-bb35-d9b7b58be29d/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:56:21,324 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-24 22:56:21,324 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:56:21,325 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:56:21,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:56:21,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 22:56:21,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:56:21,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:56:21,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:56:21,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:56:21,326 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:56:21,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:56:21,528 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:56:21,531 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:56:21,686 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:56:21,737 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:56:21,737 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:56:21,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:21 BoogieIcfgContainer [2023-11-24 22:56:21,740 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:56:21,741 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:56:21,741 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:56:21,754 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:56:21,755 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:21" (1/1) ... [2023-11-24 22:56:21,766 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:56:21,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:21,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2023-11-24 22:56:21,843 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2023-11-24 22:56:21,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:56:21,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:21,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:22,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:22,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:22,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:22,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-24 22:56:22,387 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-24 22:56:22,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:56:22,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:22,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:22,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:56:22,432 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:56:22,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:56:22,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:56:22,615 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:56:22,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:56:22,677 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-24 22:56:22,724 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet104 [2023-11-24 22:56:22,728 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post102 could not be translated [2023-11-24 22:56:22,735 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:56:22 ImpRootNode [2023-11-24 22:56:22,735 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:56:22,737 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:56:22,737 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:56:22,737 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:56:22,738 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:21" (3/4) ... [2023-11-24 22:56:22,741 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:56:22,744 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:56:22,746 INFO L158 Benchmark]: Toolchain (without parser) took 3570.14ms. Allocated memory is still 182.5MB. Free memory was 150.7MB in the beginning and 102.2MB in the end (delta: 48.5MB). Peak memory consumption was 45.2MB. Max. memory is 16.1GB. [2023-11-24 22:56:22,747 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 130.0MB. Free memory is still 101.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:56:22,748 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1783.24ms. Allocated memory is still 182.5MB. Free memory was 150.7MB in the beginning and 86.6MB in the end (delta: 64.1MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-11-24 22:56:22,749 INFO L158 Benchmark]: Boogie Procedure Inliner took 133.50ms. Allocated memory is still 182.5MB. Free memory was 86.6MB in the beginning and 149.4MB in the end (delta: -62.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:56:22,751 INFO L158 Benchmark]: Boogie Preprocessor took 58.69ms. Allocated memory is still 182.5MB. Free memory was 149.4MB in the beginning and 148.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:56:22,752 INFO L158 Benchmark]: RCFGBuilder took 584.60ms. Allocated memory is still 182.5MB. Free memory was 148.3MB in the beginning and 132.6MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 22:56:22,753 INFO L158 Benchmark]: CodeCheck took 994.65ms. Allocated memory is still 182.5MB. Free memory was 132.6MB in the beginning and 102.2MB in the end (delta: 30.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-24 22:56:22,760 INFO L158 Benchmark]: Witness Printer took 7.94ms. Allocated memory is still 182.5MB. Free memory is still 102.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:56:22,771 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, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 19 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 10 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 53 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 2 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, 0.3s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: 1569]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1554, overapproximation of large string literal at line 1577. 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); [L1577] 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) [L1577] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=13, argc=13, argv={12:28}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1578] CALL CWE190_Integer_Overflow__int_fgets_postinc_42_bad() [L1565] int data; [L1566] data = 0 [L1567] CALL, EXPR badSource(data) [L1551] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1552] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1554] EXPR data = atoi(inputBuffer) [L1551] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1550-L1560] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1561] return data; [L1567] RET, EXPR badSource(data) [L1567] data = badSource(data) [L1569] data++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, 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 0.40ms. Allocated memory is still 130.0MB. Free memory is still 101.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1783.24ms. Allocated memory is still 182.5MB. Free memory was 150.7MB in the beginning and 86.6MB in the end (delta: 64.1MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 133.50ms. Allocated memory is still 182.5MB. Free memory was 86.6MB in the beginning and 149.4MB in the end (delta: -62.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.69ms. Allocated memory is still 182.5MB. Free memory was 149.4MB in the beginning and 148.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 584.60ms. Allocated memory is still 182.5MB. Free memory was 148.3MB in the beginning and 132.6MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 994.65ms. Allocated memory is still 182.5MB. Free memory was 132.6MB in the beginning and 102.2MB in the end (delta: 30.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Witness Printer took 7.94ms. Allocated memory is still 182.5MB. Free memory is still 102.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet104 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post102 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 22:56:22,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0719f962-e59d-4169-bb35-d9b7b58be29d/bin/ukojak-verify-afCqCEvfdi/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_0719f962-e59d-4169-bb35-d9b7b58be29d/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0719f962-e59d-4169-bb35-d9b7b58be29d/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0719f962-e59d-4169-bb35-d9b7b58be29d/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0719f962-e59d-4169-bb35-d9b7b58be29d/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0719f962-e59d-4169-bb35-d9b7b58be29d/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0719f962-e59d-4169-bb35-d9b7b58be29d/bin/ukojak-verify-afCqCEvfdi --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 e0dfbbc5e3909169e58dc95e1619f4181c5e54e95f59c0b8970a1b517b1cf071 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:56:26,238 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:56:26,423 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0719f962-e59d-4169-bb35-d9b7b58be29d/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 22:56:26,495 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:56:26,496 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:56:26,498 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:56:26,499 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:56:26,500 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:56:26,501 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:56:26,508 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:56:26,509 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:56:26,509 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:56:26,510 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:56:26,512 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:56:26,513 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:56:26,513 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:56:26,514 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:56:26,514 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:56:26,515 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:56:26,517 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:56:26,517 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:56:26,519 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:56:26,519 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:56:26,520 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:56:26,520 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:56:26,521 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:56:26,522 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:56:26,522 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:56:26,523 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:56:26,524 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:56:26,526 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:56:26,526 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:56:26,526 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:56:26,527 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:56:26,527 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:56:26,528 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:56:26,528 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_0719f962-e59d-4169-bb35-d9b7b58be29d/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0719f962-e59d-4169-bb35-d9b7b58be29d/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0dfbbc5e3909169e58dc95e1619f4181c5e54e95f59c0b8970a1b517b1cf071 [2023-11-24 22:56:27,083 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:56:27,119 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:56:27,123 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:56:27,125 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:56:27,129 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:56:27,131 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0719f962-e59d-4169-bb35-d9b7b58be29d/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_42_bad.i [2023-11-24 22:56:30,890 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:56:31,457 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:56:31,460 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0719f962-e59d-4169-bb35-d9b7b58be29d/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_42_bad.i [2023-11-24 22:56:31,506 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0719f962-e59d-4169-bb35-d9b7b58be29d/bin/ukojak-verify-afCqCEvfdi/data/5290649ec/12a8494ff01f41899b0d02452052ca5f/FLAGe66b5fbee [2023-11-24 22:56:31,530 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0719f962-e59d-4169-bb35-d9b7b58be29d/bin/ukojak-verify-afCqCEvfdi/data/5290649ec/12a8494ff01f41899b0d02452052ca5f [2023-11-24 22:56:31,537 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:56:31,539 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:56:31,543 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:56:31,545 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:56:31,551 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:56:31,552 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:31" (1/1) ... [2023-11-24 22:56:31,553 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bd59846 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:31, skipping insertion in model container [2023-11-24 22:56:31,554 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:31" (1/1) ... [2023-11-24 22:56:31,655 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:56:32,708 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:56:32,734 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:56:32,912 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:56:33,067 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:56:33,068 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:56:33,068 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:56:33,068 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:56:33,068 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:56:33,078 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:56:33,079 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:33 WrapperNode [2023-11-24 22:56:33,079 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:56:33,081 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:56:33,081 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:56:33,081 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:56:33,090 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:33" (1/1) ... [2023-11-24 22:56:33,137 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:33" (1/1) ... [2023-11-24 22:56:33,180 INFO L138 Inliner]: procedures = 505, calls = 64, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 65 [2023-11-24 22:56:33,181 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:56:33,182 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:56:33,182 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:56:33,182 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:56:33,196 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:33" (1/1) ... [2023-11-24 22:56:33,197 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:33" (1/1) ... [2023-11-24 22:56:33,223 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:33" (1/1) ... [2023-11-24 22:56:33,223 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:33" (1/1) ... [2023-11-24 22:56:33,236 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:33" (1/1) ... [2023-11-24 22:56:33,254 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:33" (1/1) ... [2023-11-24 22:56:33,258 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:33" (1/1) ... [2023-11-24 22:56:33,269 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:33" (1/1) ... [2023-11-24 22:56:33,275 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:56:33,289 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:56:33,289 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:56:33,289 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:56:33,290 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:33" (1/1) ... [2023-11-24 22:56:33,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:56:33,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0719f962-e59d-4169-bb35-d9b7b58be29d/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:56:33,346 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0719f962-e59d-4169-bb35-d9b7b58be29d/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:56:33,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0719f962-e59d-4169-bb35-d9b7b58be29d/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:56:33,406 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-24 22:56:33,407 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:56:33,407 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:56:33,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:56:33,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:56:33,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:56:33,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:56:33,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:56:33,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:56:33,408 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:56:33,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-24 22:56:33,633 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:56:33,636 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:56:33,916 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:56:33,974 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:56:33,974 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:56:33,976 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:33 BoogieIcfgContainer [2023-11-24 22:56:33,977 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:56:33,978 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:56:33,978 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:56:33,991 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:56:33,991 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:33" (1/1) ... [2023-11-24 22:56:34,003 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:56:34,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:34,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2023-11-24 22:56:34,074 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2023-11-24 22:56:34,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:56:34,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:34,081 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:56:34,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0719f962-e59d-4169-bb35-d9b7b58be29d/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:56:34,084 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0719f962-e59d-4169-bb35-d9b7b58be29d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:56:34,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0719f962-e59d-4169-bb35-d9b7b58be29d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 22:56:34,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:34,294 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:56:34,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:34,368 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:56:34,373 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:34,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:34,403 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0719f962-e59d-4169-bb35-d9b7b58be29d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:56:34,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0719f962-e59d-4169-bb35-d9b7b58be29d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 22:56:34,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:34,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-24 22:56:34,445 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-24 22:56:34,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:56:34,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:34,447 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:56:34,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0719f962-e59d-4169-bb35-d9b7b58be29d/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:56:34,449 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0719f962-e59d-4169-bb35-d9b7b58be29d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:56:34,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0719f962-e59d-4169-bb35-d9b7b58be29d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-24 22:56:34,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:56:34,690 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:56:34,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:56:34,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:56:34,982 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:56:35,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:56:35,057 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0719f962-e59d-4169-bb35-d9b7b58be29d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:56:35,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0719f962-e59d-4169-bb35-d9b7b58be29d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-24 22:56:35,065 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-24 22:56:35,111 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet102 [2023-11-24 22:56:35,116 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post100 could not be translated [2023-11-24 22:56:35,123 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:56:35 ImpRootNode [2023-11-24 22:56:35,123 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:56:35,124 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:56:35,125 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:56:35,125 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:56:35,125 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:33" (3/4) ... [2023-11-24 22:56:35,129 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:56:35,130 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:56:35,131 INFO L158 Benchmark]: Toolchain (without parser) took 3592.08ms. Allocated memory is still 104.9MB. Free memory was 77.8MB in the beginning and 58.8MB in the end (delta: 19.1MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2023-11-24 22:56:35,132 INFO L158 Benchmark]: CDTParser took 0.88ms. Allocated memory is still 75.5MB. Free memory is still 52.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:56:35,133 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1536.47ms. Allocated memory is still 104.9MB. Free memory was 77.8MB in the beginning and 77.4MB in the end (delta: 381.3kB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. [2023-11-24 22:56:35,134 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.52ms. Allocated memory is still 104.9MB. Free memory was 77.4MB in the beginning and 74.2MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:56:35,135 INFO L158 Benchmark]: Boogie Preprocessor took 105.87ms. Allocated memory is still 104.9MB. Free memory was 74.2MB in the beginning and 72.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:56:35,142 INFO L158 Benchmark]: RCFGBuilder took 687.98ms. Allocated memory is still 104.9MB. Free memory was 72.1MB in the beginning and 54.8MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 22:56:35,143 INFO L158 Benchmark]: CodeCheck took 1145.61ms. Allocated memory is still 104.9MB. Free memory was 54.8MB in the beginning and 59.4MB in the end (delta: -4.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:56:35,144 INFO L158 Benchmark]: Witness Printer took 5.95ms. Allocated memory is still 104.9MB. Free memory was 59.4MB in the beginning and 58.8MB in the end (delta: 593.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:56:35,154 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, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 11 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 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, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 68 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: 1569]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1554, overapproximation of large string literal at line 1577. 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); [L1577] 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) [L1577] 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] [L1578] CALL CWE190_Integer_Overflow__int_fgets_postinc_42_bad() [L1565] int data; [L1566] data = 0 [L1567] CALL, EXPR badSource(data) [L1551] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1552] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1554] EXPR data = atoi(inputBuffer) [L1551] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1550-L1560] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1561] return data; [L1567] RET, EXPR badSource(data) [L1567] data = badSource(data) [L1569] data++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, 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 0.88ms. Allocated memory is still 75.5MB. Free memory is still 52.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1536.47ms. Allocated memory is still 104.9MB. Free memory was 77.8MB in the beginning and 77.4MB in the end (delta: 381.3kB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 100.52ms. Allocated memory is still 104.9MB. Free memory was 77.4MB in the beginning and 74.2MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 105.87ms. Allocated memory is still 104.9MB. Free memory was 74.2MB in the beginning and 72.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 687.98ms. Allocated memory is still 104.9MB. Free memory was 72.1MB in the beginning and 54.8MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1145.61ms. Allocated memory is still 104.9MB. Free memory was 54.8MB in the beginning and 59.4MB in the end (delta: -4.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.95ms. Allocated memory is still 104.9MB. Free memory was 59.4MB in the beginning and 58.8MB in the end (delta: 593.8kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet102 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post100 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 22:56:35,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0719f962-e59d-4169-bb35-d9b7b58be29d/bin/ukojak-verify-afCqCEvfdi/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