./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_65_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1509507-5ab7-4863-8c4e-bb9ac221a40e/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1509507-5ab7-4863-8c4e-bb9ac221a40e/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1509507-5ab7-4863-8c4e-bb9ac221a40e/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1509507-5ab7-4863-8c4e-bb9ac221a40e/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1509507-5ab7-4863-8c4e-bb9ac221a40e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1509507-5ab7-4863-8c4e-bb9ac221a40e/bin/ukojak-verify-Qdu7aM0XO9 --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 50fda4c06ece1fc582bb7604c13e06a76a5e35934a3857bc997b0fb367105afe --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:10:48,714 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:10:48,788 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1509507-5ab7-4863-8c4e-bb9ac221a40e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 22:10:48,792 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:10:48,793 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:10:48,814 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:10:48,815 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:10:48,815 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:10:48,816 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:10:48,817 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:10:48,817 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:10:48,818 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:10:48,818 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:10:48,819 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:10:48,819 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:10:48,820 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:10:48,820 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:10:48,821 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:10:48,821 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:10:48,821 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:10:48,822 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:10:48,828 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:10:48,828 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:10:48,828 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:10:48,829 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:10:48,829 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:10:48,829 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:10:48,830 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:10:48,830 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:10:48,831 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:10:48,831 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:10:48,831 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:10:48,831 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_f1509507-5ab7-4863-8c4e-bb9ac221a40e/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1509507-5ab7-4863-8c4e-bb9ac221a40e/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50fda4c06ece1fc582bb7604c13e06a76a5e35934a3857bc997b0fb367105afe [2023-12-02 22:10:49,073 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:10:49,094 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:10:49,097 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:10:49,098 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:10:49,098 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:10:49,100 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1509507-5ab7-4863-8c4e-bb9ac221a40e/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_65_bad.i [2023-12-02 22:10:51,791 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:10:52,125 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:10:52,125 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1509507-5ab7-4863-8c4e-bb9ac221a40e/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_65_bad.i [2023-12-02 22:10:52,149 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1509507-5ab7-4863-8c4e-bb9ac221a40e/bin/ukojak-verify-Qdu7aM0XO9/data/42969763e/5f3ba4eecf9344b39d945ab187509bc6/FLAGc9421fb0d [2023-12-02 22:10:52,163 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1509507-5ab7-4863-8c4e-bb9ac221a40e/bin/ukojak-verify-Qdu7aM0XO9/data/42969763e/5f3ba4eecf9344b39d945ab187509bc6 [2023-12-02 22:10:52,165 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:10:52,167 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:10:52,168 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:10:52,168 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:10:52,172 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:10:52,173 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:10:52" (1/1) ... [2023-12-02 22:10:52,174 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c9e8f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:10:52, skipping insertion in model container [2023-12-02 22:10:52,174 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:10:52" (1/1) ... [2023-12-02 22:10:52,228 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:10:52,968 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:10:52,979 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:10:53,055 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:10:53,225 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:10:53,225 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:10:53,225 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:10:53,225 WARN L675 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:10:53,225 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:10:53,226 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:10:53,231 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:10:53,232 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:10:53 WrapperNode [2023-12-02 22:10:53,232 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:10:53,233 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:10:53,233 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:10:53,233 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:10:53,239 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:10:53" (1/1) ... [2023-12-02 22:10:53,267 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:10:53" (1/1) ... [2023-12-02 22:10:53,290 INFO L138 Inliner]: procedures = 501, calls = 65, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 64 [2023-12-02 22:10:53,291 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:10:53,291 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:10:53,291 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:10:53,291 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:10:53,298 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:10:53" (1/1) ... [2023-12-02 22:10:53,298 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:10:53" (1/1) ... [2023-12-02 22:10:53,301 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:10:53" (1/1) ... [2023-12-02 22:10:53,302 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:10:53" (1/1) ... [2023-12-02 22:10:53,308 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:10:53" (1/1) ... [2023-12-02 22:10:53,310 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:10:53" (1/1) ... [2023-12-02 22:10:53,312 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:10:53" (1/1) ... [2023-12-02 22:10:53,314 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:10:53" (1/1) ... [2023-12-02 22:10:53,317 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:10:53,318 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:10:53,318 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:10:53,318 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:10:53,319 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:10:53" (1/1) ... [2023-12-02 22:10:53,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:10:53,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1509507-5ab7-4863-8c4e-bb9ac221a40e/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:10:53,353 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1509507-5ab7-4863-8c4e-bb9ac221a40e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:10:53,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1509507-5ab7-4863-8c4e-bb9ac221a40e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:10:53,384 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-02 22:10:53,384 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 22:10:53,384 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 22:10:53,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:10:53,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-02 22:10:53,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:10:53,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:10:53,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:10:53,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:10:53,385 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 22:10:53,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:10:53,522 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:10:53,523 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:10:53,634 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:10:53,671 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:10:53,671 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 22:10:53,673 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:10:53 BoogieIcfgContainer [2023-12-02 22:10:53,673 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:10:53,674 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:10:53,674 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:10:53,683 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:10:53,683 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:10:53" (1/1) ... [2023-12-02 22:10:53,690 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:10:53,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:10:53,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2023-12-02 22:10:53,736 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2023-12-02 22:10:53,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 22:10:53,740 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:10:53,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:10:53,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:53,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:10:54,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:10:54,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-12-02 22:10:54,024 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-12-02 22:10:54,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 22:10:54,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:10:54,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:10:54,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:10:54,064 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:10:54,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:10:54,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:10:54,150 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:10:54,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:10:54,186 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-02 22:10:54,210 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet103 [2023-12-02 22:10:54,216 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:10:54 ImpRootNode [2023-12-02 22:10:54,216 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:10:54,217 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:10:54,217 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:10:54,217 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:10:54,217 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:10:53" (3/4) ... [2023-12-02 22:10:54,219 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 22:10:54,220 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:10:54,221 INFO L158 Benchmark]: Toolchain (without parser) took 2054.34ms. Allocated memory is still 176.2MB. Free memory was 147.0MB in the beginning and 92.0MB in the end (delta: 55.1MB). Peak memory consumption was 56.0MB. Max. memory is 16.1GB. [2023-12-02 22:10:54,222 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 115.3MB. Free memory is still 84.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:10:54,222 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1064.56ms. Allocated memory is still 176.2MB. Free memory was 146.6MB in the beginning and 140.9MB in the end (delta: 5.7MB). Peak memory consumption was 68.6MB. Max. memory is 16.1GB. [2023-12-02 22:10:54,223 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.87ms. Allocated memory is still 176.2MB. Free memory was 140.9MB in the beginning and 138.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:10:54,223 INFO L158 Benchmark]: Boogie Preprocessor took 25.98ms. Allocated memory is still 176.2MB. Free memory was 138.1MB in the beginning and 136.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:10:54,224 INFO L158 Benchmark]: RCFGBuilder took 355.32ms. Allocated memory is still 176.2MB. Free memory was 136.8MB in the beginning and 121.3MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 22:10:54,225 INFO L158 Benchmark]: CodeCheck took 541.78ms. Allocated memory is still 176.2MB. Free memory was 121.3MB in the beginning and 92.8MB in the end (delta: 28.6MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-12-02 22:10:54,225 INFO L158 Benchmark]: Witness Printer took 3.77ms. Allocated memory is still 176.2MB. Free memory was 92.8MB in the beginning and 92.0MB in the end (delta: 800.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:10:54,229 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, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 13 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 58 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, 0.1s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, 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: 1579]: 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, overapproximation of large string literal at line 1570. 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); [L1570] 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) [L1570] 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] [L1571] CALL CWE190_Integer_Overflow__int_fgets_multiply_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE190_Integer_Overflow__int_fgets_multiply_65b_badSink; [L1553] data = 0 [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."); } } [L1565] CALL funcPtr(data) [L1577] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=1073741824, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1579] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=1073741824, 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 0.19ms. Allocated memory is still 115.3MB. Free memory is still 84.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1064.56ms. Allocated memory is still 176.2MB. Free memory was 146.6MB in the beginning and 140.9MB in the end (delta: 5.7MB). Peak memory consumption was 68.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.87ms. Allocated memory is still 176.2MB. Free memory was 140.9MB in the beginning and 138.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.98ms. Allocated memory is still 176.2MB. Free memory was 138.1MB in the beginning and 136.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 355.32ms. Allocated memory is still 176.2MB. Free memory was 136.8MB in the beginning and 121.3MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 541.78ms. Allocated memory is still 176.2MB. Free memory was 121.3MB in the beginning and 92.8MB in the end (delta: 28.6MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Witness Printer took 3.77ms. Allocated memory is still 176.2MB. Free memory was 92.8MB in the beginning and 92.0MB in the end (delta: 800.4kB). 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~nondet103 - 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 [2023-12-02 22:10:54,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1509507-5ab7-4863-8c4e-bb9ac221a40e/bin/ukojak-verify-Qdu7aM0XO9/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1509507-5ab7-4863-8c4e-bb9ac221a40e/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1509507-5ab7-4863-8c4e-bb9ac221a40e/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1509507-5ab7-4863-8c4e-bb9ac221a40e/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1509507-5ab7-4863-8c4e-bb9ac221a40e/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1509507-5ab7-4863-8c4e-bb9ac221a40e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1509507-5ab7-4863-8c4e-bb9ac221a40e/bin/ukojak-verify-Qdu7aM0XO9 --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 50fda4c06ece1fc582bb7604c13e06a76a5e35934a3857bc997b0fb367105afe --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:10:56,176 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:10:56,250 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1509507-5ab7-4863-8c4e-bb9ac221a40e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-02 22:10:56,281 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:10:56,282 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:10:56,283 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:10:56,284 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:10:56,284 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:10:56,285 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:10:56,285 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:10:56,286 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:10:56,286 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:10:56,287 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:10:56,287 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:10:56,288 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:10:56,288 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:10:56,289 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:10:56,289 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:10:56,290 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:10:56,290 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:10:56,291 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:10:56,291 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:10:56,292 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:10:56,292 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:10:56,293 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:10:56,293 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:10:56,294 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:10:56,294 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:10:56,294 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:10:56,295 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:10:56,295 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:10:56,296 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:10:56,296 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:10:56,296 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:10:56,296 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:10:56,297 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:10:56,297 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_f1509507-5ab7-4863-8c4e-bb9ac221a40e/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1509507-5ab7-4863-8c4e-bb9ac221a40e/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50fda4c06ece1fc582bb7604c13e06a76a5e35934a3857bc997b0fb367105afe [2023-12-02 22:10:56,577 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:10:56,595 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:10:56,597 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:10:56,598 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:10:56,598 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:10:56,599 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1509507-5ab7-4863-8c4e-bb9ac221a40e/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_65_bad.i [2023-12-02 22:10:59,416 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:10:59,755 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:10:59,756 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1509507-5ab7-4863-8c4e-bb9ac221a40e/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_65_bad.i [2023-12-02 22:10:59,779 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1509507-5ab7-4863-8c4e-bb9ac221a40e/bin/ukojak-verify-Qdu7aM0XO9/data/68ece7953/c20d7320f23d409587fa1e35738f97aa/FLAG71639152b [2023-12-02 22:10:59,794 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1509507-5ab7-4863-8c4e-bb9ac221a40e/bin/ukojak-verify-Qdu7aM0XO9/data/68ece7953/c20d7320f23d409587fa1e35738f97aa [2023-12-02 22:10:59,796 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:10:59,798 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:10:59,799 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:10:59,799 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:10:59,804 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:10:59,805 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:10:59" (1/1) ... [2023-12-02 22:10:59,806 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f182b06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:10:59, skipping insertion in model container [2023-12-02 22:10:59,806 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:10:59" (1/1) ... [2023-12-02 22:10:59,863 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:11:00,612 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:11:00,627 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:11:00,708 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:11:00,844 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:11:00,844 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:11:00,844 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:11:00,844 WARN L675 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:11:00,845 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:11:00,845 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:11:00,853 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:11:00,853 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:00 WrapperNode [2023-12-02 22:11:00,853 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:11:00,854 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:11:00,854 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:11:00,854 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:11:00,862 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:00" (1/1) ... [2023-12-02 22:11:00,889 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:00" (1/1) ... [2023-12-02 22:11:00,914 INFO L138 Inliner]: procedures = 506, calls = 65, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 63 [2023-12-02 22:11:00,915 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:11:00,915 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:11:00,915 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:11:00,916 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:11:00,925 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:00" (1/1) ... [2023-12-02 22:11:00,925 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:00" (1/1) ... [2023-12-02 22:11:00,930 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:00" (1/1) ... [2023-12-02 22:11:00,930 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:00" (1/1) ... [2023-12-02 22:11:00,940 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:00" (1/1) ... [2023-12-02 22:11:00,942 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:00" (1/1) ... [2023-12-02 22:11:00,945 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:00" (1/1) ... [2023-12-02 22:11:00,947 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:00" (1/1) ... [2023-12-02 22:11:00,953 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:11:00,954 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:11:00,954 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:11:00,954 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:11:00,955 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:00" (1/1) ... [2023-12-02 22:11:00,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:11:00,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1509507-5ab7-4863-8c4e-bb9ac221a40e/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:11:00,990 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1509507-5ab7-4863-8c4e-bb9ac221a40e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:11:00,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1509507-5ab7-4863-8c4e-bb9ac221a40e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:11:01,024 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-02 22:11:01,024 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 22:11:01,024 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 22:11:01,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:11:01,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:11:01,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:11:01,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:11:01,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:11:01,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:11:01,025 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 22:11:01,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-12-02 22:11:01,185 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:11:01,186 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:11:01,320 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:11:01,359 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:11:01,359 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 22:11:01,360 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:11:01 BoogieIcfgContainer [2023-12-02 22:11:01,360 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:11:01,361 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:11:01,361 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:11:01,371 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:11:01,371 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:11:01" (1/1) ... [2023-12-02 22:11:01,380 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:11:01,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:11:01,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2023-12-02 22:11:01,434 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2023-12-02 22:11:01,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 22:11:01,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:11:01,439 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:11:01,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1509507-5ab7-4863-8c4e-bb9ac221a40e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:11:01,456 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1509507-5ab7-4863-8c4e-bb9ac221a40e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:11:01,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1509507-5ab7-4863-8c4e-bb9ac221a40e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 22:11:01,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:01,632 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:11:01,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:01,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 22:11:01,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:11:01,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:11:01,719 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1509507-5ab7-4863-8c4e-bb9ac221a40e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 22:11:01,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:11:01,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-12-02 22:11:01,757 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-12-02 22:11:01,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 22:11:01,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:11:01,758 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:11:01,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1509507-5ab7-4863-8c4e-bb9ac221a40e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:11:01,759 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1509507-5ab7-4863-8c4e-bb9ac221a40e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:11:01,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1509507-5ab7-4863-8c4e-bb9ac221a40e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 22:11:01,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:11:01,954 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:11:02,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:11:02,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:11:02,162 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:11:02,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:11:02,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1509507-5ab7-4863-8c4e-bb9ac221a40e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 22:11:02,220 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1509507-5ab7-4863-8c4e-bb9ac221a40e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 22:11:02,221 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-02 22:11:02,247 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet101 [2023-12-02 22:11:02,252 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:11:02 ImpRootNode [2023-12-02 22:11:02,252 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:11:02,253 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:11:02,253 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:11:02,253 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:11:02,254 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:11:01" (3/4) ... [2023-12-02 22:11:02,256 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 22:11:02,257 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:11:02,258 INFO L158 Benchmark]: Toolchain (without parser) took 2459.82ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 67.1MB in the beginning and 77.1MB in the end (delta: -9.9MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2023-12-02 22:11:02,258 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 67.1MB. Free memory was 43.1MB in the beginning and 43.0MB in the end (delta: 77.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:11:02,259 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1054.20ms. Allocated memory is still 94.4MB. Free memory was 66.9MB in the beginning and 52.3MB in the end (delta: 14.6MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. [2023-12-02 22:11:02,260 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.56ms. Allocated memory is still 94.4MB. Free memory was 52.3MB in the beginning and 49.1MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 22:11:02,260 INFO L158 Benchmark]: Boogie Preprocessor took 37.63ms. Allocated memory is still 94.4MB. Free memory was 49.1MB in the beginning and 47.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:11:02,261 INFO L158 Benchmark]: RCFGBuilder took 406.98ms. Allocated memory is still 94.4MB. Free memory was 47.0MB in the beginning and 59.4MB in the end (delta: -12.3MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2023-12-02 22:11:02,262 INFO L158 Benchmark]: CodeCheck took 891.25ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 59.4MB in the beginning and 77.7MB in the end (delta: -18.4MB). Peak memory consumption was 1.4MB. Max. memory is 16.1GB. [2023-12-02 22:11:02,262 INFO L158 Benchmark]: Witness Printer took 3.94ms. Allocated memory is still 113.2MB. Free memory was 77.7MB in the beginning and 77.1MB in the end (delta: 652.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:11:02,266 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, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, 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, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 13 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 64 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, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 72 ConjunctsInSsa, 2 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: 1579]: 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, overapproximation of large string literal at line 1570. 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); [L1570] 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) [L1570] 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] [L1571] CALL CWE190_Integer_Overflow__int_fgets_multiply_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE190_Integer_Overflow__int_fgets_multiply_65b_badSink; [L1553] data = 0 [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."); } } [L1565] CALL funcPtr(data) [L1577] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=1073741824, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1579] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=1073741824, 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 0.18ms. Allocated memory is still 67.1MB. Free memory was 43.1MB in the beginning and 43.0MB in the end (delta: 77.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1054.20ms. Allocated memory is still 94.4MB. Free memory was 66.9MB in the beginning and 52.3MB in the end (delta: 14.6MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.56ms. Allocated memory is still 94.4MB. Free memory was 52.3MB in the beginning and 49.1MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.63ms. Allocated memory is still 94.4MB. Free memory was 49.1MB in the beginning and 47.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 406.98ms. Allocated memory is still 94.4MB. Free memory was 47.0MB in the beginning and 59.4MB in the end (delta: -12.3MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * CodeCheck took 891.25ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 59.4MB in the beginning and 77.7MB in the end (delta: -18.4MB). Peak memory consumption was 1.4MB. Max. memory is 16.1GB. * Witness Printer took 3.94ms. Allocated memory is still 113.2MB. Free memory was 77.7MB in the beginning and 77.1MB in the end (delta: 652.9kB). 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~nondet101 - 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 [2023-12-02 22:11:02,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1509507-5ab7-4863-8c4e-bb9ac221a40e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample