./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_45_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_7dbd81b7-c898-483a-b04f-22747baafe3d/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dbd81b7-c898-483a-b04f-22747baafe3d/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dbd81b7-c898-483a-b04f-22747baafe3d/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dbd81b7-c898-483a-b04f-22747baafe3d/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_45_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dbd81b7-c898-483a-b04f-22747baafe3d/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dbd81b7-c898-483a-b04f-22747baafe3d/bin/ukojak-verify-i0I2FZA1j2 --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 0243a1460844e7e57e204f9a553ad83a01f09360cbe30323dc27828e3250969e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:37:55,146 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:37:55,249 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dbd81b7-c898-483a-b04f-22747baafe3d/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:37:55,253 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:37:55,254 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:37:55,282 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:37:55,283 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:37:55,286 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:37:55,287 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:37:55,292 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:37:55,293 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:37:55,293 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:37:55,294 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:37:55,295 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:37:55,296 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:37:55,296 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:37:55,297 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:37:55,297 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:37:55,297 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:37:55,298 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:37:55,298 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:37:55,299 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:37:55,300 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:37:55,300 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:37:55,300 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:37:55,301 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:37:55,301 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:37:55,302 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:37:55,302 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:37:55,302 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:37:55,304 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:37:55,304 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:37:55,304 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_7dbd81b7-c898-483a-b04f-22747baafe3d/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dbd81b7-c898-483a-b04f-22747baafe3d/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0243a1460844e7e57e204f9a553ad83a01f09360cbe30323dc27828e3250969e [2023-11-21 18:37:55,543 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:37:55,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:37:55,600 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:37:55,602 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:37:55,602 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:37:55,604 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dbd81b7-c898-483a-b04f-22747baafe3d/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_45_bad.i [2023-11-21 18:37:58,647 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:37:59,116 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:37:59,117 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dbd81b7-c898-483a-b04f-22747baafe3d/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_45_bad.i [2023-11-21 18:37:59,150 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dbd81b7-c898-483a-b04f-22747baafe3d/bin/ukojak-verify-i0I2FZA1j2/data/fb62687f9/2db190b6314740589ea804d8b05b143f/FLAGeade5cc67 [2023-11-21 18:37:59,169 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dbd81b7-c898-483a-b04f-22747baafe3d/bin/ukojak-verify-i0I2FZA1j2/data/fb62687f9/2db190b6314740589ea804d8b05b143f [2023-11-21 18:37:59,171 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:37:59,175 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:37:59,180 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:37:59,181 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:37:59,186 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:37:59,186 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:37:59" (1/1) ... [2023-11-21 18:37:59,188 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27245f94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:59, skipping insertion in model container [2023-11-21 18:37:59,189 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:37:59" (1/1) ... [2023-11-21 18:37:59,285 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:37:59,637 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:38:00,191 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:38:00,208 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:38:00,230 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:38:00,287 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:38:00,474 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:38:00,475 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:38:00,475 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:38:00,475 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:38:00,475 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:38:00,475 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:38:00,483 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:38:00,483 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:00 WrapperNode [2023-11-21 18:38:00,483 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:38:00,485 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:38:00,485 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:38:00,486 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:38:00,493 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:00" (1/1) ... [2023-11-21 18:38:00,546 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:00" (1/1) ... [2023-11-21 18:38:00,591 INFO L138 Inliner]: procedures = 501, calls = 65, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 58 [2023-11-21 18:38:00,592 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:38:00,593 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:38:00,593 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:38:00,593 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:38:00,609 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:00" (1/1) ... [2023-11-21 18:38:00,610 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:00" (1/1) ... [2023-11-21 18:38:00,620 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:00" (1/1) ... [2023-11-21 18:38:00,621 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:00" (1/1) ... [2023-11-21 18:38:00,636 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:00" (1/1) ... [2023-11-21 18:38:00,638 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:00" (1/1) ... [2023-11-21 18:38:00,640 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:00" (1/1) ... [2023-11-21 18:38:00,641 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:00" (1/1) ... [2023-11-21 18:38:00,645 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:38:00,646 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:38:00,646 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:38:00,646 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:38:00,647 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:00" (1/1) ... [2023-11-21 18:38:00,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:38:00,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dbd81b7-c898-483a-b04f-22747baafe3d/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:38:00,679 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dbd81b7-c898-483a-b04f-22747baafe3d/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:38:00,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dbd81b7-c898-483a-b04f-22747baafe3d/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:38:00,741 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-21 18:38:00,742 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 18:38:00,742 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 18:38:00,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:38:00,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 18:38:00,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:38:00,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:38:00,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:38:00,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:38:00,743 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 18:38:00,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:38:00,946 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:38:00,948 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:38:01,101 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:38:01,159 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:38:01,161 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:38:01,163 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:38:01 BoogieIcfgContainer [2023-11-21 18:38:01,163 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:38:01,164 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:38:01,164 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:38:01,174 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:38:01,174 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:38:01" (1/1) ... [2023-11-21 18:38:01,190 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:38:01,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:01,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-11-21 18:38:01,250 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-11-21 18:38:01,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:38:01,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:01,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:01,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:01,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:38:01,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:01,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2023-11-21 18:38:01,686 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2023-11-21 18:38:01,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:38:01,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:01,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:01,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:38:01,741 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:38:01,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:38:01,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:38:01,877 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:38:01,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:38:01,929 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-21 18:38:01,964 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:38:01 ImpRootNode [2023-11-21 18:38:01,964 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:38:01,965 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:38:01,965 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:38:01,965 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:38:01,966 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:38:01" (3/4) ... [2023-11-21 18:38:01,968 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 18:38:01,969 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:38:01,970 INFO L158 Benchmark]: Toolchain (without parser) took 2797.15ms. Allocated memory is still 148.9MB. Free memory was 104.9MB in the beginning and 95.4MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 18:38:01,975 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 111.1MB. Free memory was 81.1MB in the beginning and 81.1MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:38:01,976 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1303.89ms. Allocated memory is still 148.9MB. Free memory was 104.4MB in the beginning and 88.5MB in the end (delta: 15.9MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB. [2023-11-21 18:38:01,977 INFO L158 Benchmark]: Boogie Procedure Inliner took 107.02ms. Allocated memory is still 148.9MB. Free memory was 88.5MB in the beginning and 85.4MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:38:01,978 INFO L158 Benchmark]: Boogie Preprocessor took 52.45ms. Allocated memory is still 148.9MB. Free memory was 85.4MB in the beginning and 84.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:38:01,978 INFO L158 Benchmark]: RCFGBuilder took 517.35ms. Allocated memory is still 148.9MB. Free memory was 83.4MB in the beginning and 68.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 18:38:01,982 INFO L158 Benchmark]: CodeCheck took 800.26ms. Allocated memory is still 148.9MB. Free memory was 68.7MB in the beginning and 96.3MB in the end (delta: -27.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:38:01,982 INFO L158 Benchmark]: Witness Printer took 4.69ms. Allocated memory is still 148.9MB. Free memory was 96.3MB in the beginning and 95.4MB in the end (delta: 934.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:38:01,986 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, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, 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, 12 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, 12 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, 0.2s 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: 1556]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1568. 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); [L1548] static int CWE190_Integer_Overflow__int_fgets_multiply_45_badData; [L1549] static int CWE190_Integer_Overflow__int_fgets_multiply_45_goodG2BData; [L1550] static int CWE190_Integer_Overflow__int_fgets_multiply_45_goodB2GData; [L1581] CALL printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_fgets_multiply_45_badData=0, CWE190_Integer_Overflow__int_fgets_multiply_45_goodB2GData=0, CWE190_Integer_Overflow__int_fgets_multiply_45_goodG2BData=0, 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) [L1581] RET printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_fgets_multiply_45_badData=0, CWE190_Integer_Overflow__int_fgets_multiply_45_goodB2GData=0, CWE190_Integer_Overflow__int_fgets_multiply_45_goodG2BData=0, 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] [L1582] CALL CWE190_Integer_Overflow__int_fgets_multiply_45_bad() [L1562] int data; [L1563] data = 0 [L1565] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1566] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1568] EXPR data = atoi(inputBuffer) [L1565] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1564-L1574] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1575] CWE190_Integer_Overflow__int_fgets_multiply_45_badData = data [L1576] CALL badSink() [L1553] int data = CWE190_Integer_Overflow__int_fgets_multiply_45_badData; VAL [CWE190_Integer_Overflow__int_fgets_multiply_45_badData=1073741824, CWE190_Integer_Overflow__int_fgets_multiply_45_goodB2GData=0, CWE190_Integer_Overflow__int_fgets_multiply_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] COND TRUE data > 0 VAL [CWE190_Integer_Overflow__int_fgets_multiply_45_badData=1073741824, CWE190_Integer_Overflow__int_fgets_multiply_45_goodB2GData=0, CWE190_Integer_Overflow__int_fgets_multiply_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] data * 2 VAL [CWE190_Integer_Overflow__int_fgets_multiply_45_badData=1073741824, CWE190_Integer_Overflow__int_fgets_multiply_45_goodB2GData=0, CWE190_Integer_Overflow__int_fgets_multiply_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 111.1MB. Free memory was 81.1MB in the beginning and 81.1MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1303.89ms. Allocated memory is still 148.9MB. Free memory was 104.4MB in the beginning and 88.5MB in the end (delta: 15.9MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 107.02ms. Allocated memory is still 148.9MB. Free memory was 88.5MB in the beginning and 85.4MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.45ms. Allocated memory is still 148.9MB. Free memory was 85.4MB in the beginning and 84.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 517.35ms. Allocated memory is still 148.9MB. Free memory was 83.4MB in the beginning and 68.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 800.26ms. Allocated memory is still 148.9MB. Free memory was 68.7MB in the beginning and 96.3MB in the end (delta: -27.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.69ms. Allocated memory is still 148.9MB. Free memory was 96.3MB in the beginning and 95.4MB in the end (delta: 934.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-21 18:38:02,023 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dbd81b7-c898-483a-b04f-22747baafe3d/bin/ukojak-verify-i0I2FZA1j2/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_7dbd81b7-c898-483a-b04f-22747baafe3d/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dbd81b7-c898-483a-b04f-22747baafe3d/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dbd81b7-c898-483a-b04f-22747baafe3d/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dbd81b7-c898-483a-b04f-22747baafe3d/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_45_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dbd81b7-c898-483a-b04f-22747baafe3d/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dbd81b7-c898-483a-b04f-22747baafe3d/bin/ukojak-verify-i0I2FZA1j2 --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 0243a1460844e7e57e204f9a553ad83a01f09360cbe30323dc27828e3250969e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:38:04,710 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:38:04,838 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dbd81b7-c898-483a-b04f-22747baafe3d/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-21 18:38:04,888 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:38:04,889 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:38:04,890 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:38:04,892 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:38:04,892 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:38:04,893 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:38:04,899 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:38:04,900 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:38:04,901 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:38:04,901 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:38:04,903 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:38:04,904 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:38:04,904 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:38:04,905 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:38:04,905 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:38:04,906 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:38:04,906 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:38:04,907 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:38:04,908 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:38:04,908 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:38:04,909 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:38:04,909 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:38:04,910 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:38:04,910 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:38:04,911 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:38:04,912 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:38:04,912 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:38:04,913 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:38:04,914 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:38:04,914 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:38:04,915 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:38:04,915 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:38:04,915 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:38:04,916 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_7dbd81b7-c898-483a-b04f-22747baafe3d/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dbd81b7-c898-483a-b04f-22747baafe3d/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0243a1460844e7e57e204f9a553ad83a01f09360cbe30323dc27828e3250969e [2023-11-21 18:38:05,399 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:38:05,431 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:38:05,433 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:38:05,435 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:38:05,436 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:38:05,438 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dbd81b7-c898-483a-b04f-22747baafe3d/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_45_bad.i [2023-11-21 18:38:08,573 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:38:09,084 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:38:09,084 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dbd81b7-c898-483a-b04f-22747baafe3d/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_45_bad.i [2023-11-21 18:38:09,116 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dbd81b7-c898-483a-b04f-22747baafe3d/bin/ukojak-verify-i0I2FZA1j2/data/1f9556f22/e9fcad1706f1460aa6b64998ed7b75fc/FLAG6e4f43dc5 [2023-11-21 18:38:09,135 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dbd81b7-c898-483a-b04f-22747baafe3d/bin/ukojak-verify-i0I2FZA1j2/data/1f9556f22/e9fcad1706f1460aa6b64998ed7b75fc [2023-11-21 18:38:09,140 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:38:09,142 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:38:09,145 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:38:09,146 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:38:09,152 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:38:09,152 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:38:09" (1/1) ... [2023-11-21 18:38:09,154 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7424c1bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:09, skipping insertion in model container [2023-11-21 18:38:09,154 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:38:09" (1/1) ... [2023-11-21 18:38:09,252 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:38:09,680 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:38:10,318 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:38:10,335 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:38:10,369 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:38:10,493 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:38:10,698 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:38:10,698 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:38:10,699 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:38:10,699 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:38:10,699 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:38:10,699 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:38:10,707 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:38:10,708 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:10 WrapperNode [2023-11-21 18:38:10,708 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:38:10,709 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:38:10,710 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:38:10,710 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:38:10,718 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:10" (1/1) ... [2023-11-21 18:38:10,745 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:10" (1/1) ... [2023-11-21 18:38:10,772 INFO L138 Inliner]: procedures = 506, calls = 65, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 57 [2023-11-21 18:38:10,773 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:38:10,774 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:38:10,774 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:38:10,774 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:38:10,784 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:10" (1/1) ... [2023-11-21 18:38:10,784 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:10" (1/1) ... [2023-11-21 18:38:10,788 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:10" (1/1) ... [2023-11-21 18:38:10,789 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:10" (1/1) ... [2023-11-21 18:38:10,798 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:10" (1/1) ... [2023-11-21 18:38:10,810 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:10" (1/1) ... [2023-11-21 18:38:10,813 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:10" (1/1) ... [2023-11-21 18:38:10,815 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:10" (1/1) ... [2023-11-21 18:38:10,820 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:38:10,822 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:38:10,824 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:38:10,825 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:38:10,826 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:10" (1/1) ... [2023-11-21 18:38:10,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:38:10,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dbd81b7-c898-483a-b04f-22747baafe3d/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:38:10,870 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dbd81b7-c898-483a-b04f-22747baafe3d/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:38:10,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dbd81b7-c898-483a-b04f-22747baafe3d/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:38:10,924 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-21 18:38:10,925 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 18:38:10,925 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 18:38:10,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:38:10,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:38:10,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:38:10,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:38:10,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:38:10,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:38:10,926 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 18:38:10,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-21 18:38:11,099 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:38:11,102 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:38:11,264 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:38:11,316 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:38:11,316 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:38:11,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:38:11 BoogieIcfgContainer [2023-11-21 18:38:11,319 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:38:11,320 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:38:11,320 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:38:11,333 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:38:11,334 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:38:11" (1/1) ... [2023-11-21 18:38:11,345 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:38:11,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:11,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-11-21 18:38:11,413 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-11-21 18:38:11,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:38:11,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:11,420 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:38:11,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dbd81b7-c898-483a-b04f-22747baafe3d/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:38:11,427 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dbd81b7-c898-483a-b04f-22747baafe3d/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:38:11,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dbd81b7-c898-483a-b04f-22747baafe3d/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-21 18:38:11,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:11,731 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:38:11,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:11,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:38:11,785 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:11,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:38:11,848 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dbd81b7-c898-483a-b04f-22747baafe3d/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:38:11,853 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dbd81b7-c898-483a-b04f-22747baafe3d/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-21 18:38:11,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:11,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2023-11-21 18:38:11,913 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2023-11-21 18:38:11,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:38:11,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:11,914 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:38:11,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dbd81b7-c898-483a-b04f-22747baafe3d/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:38:11,916 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dbd81b7-c898-483a-b04f-22747baafe3d/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:38:11,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dbd81b7-c898-483a-b04f-22747baafe3d/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-21 18:38:12,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:38:12,149 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:38:12,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:38:12,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:38:12,405 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:38:12,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:38:12,482 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dbd81b7-c898-483a-b04f-22747baafe3d/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:38:12,488 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dbd81b7-c898-483a-b04f-22747baafe3d/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-21 18:38:12,489 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-21 18:38:12,546 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:38:12 ImpRootNode [2023-11-21 18:38:12,546 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:38:12,547 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:38:12,547 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:38:12,548 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:38:12,548 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:38:11" (3/4) ... [2023-11-21 18:38:12,551 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 18:38:12,553 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:38:12,554 INFO L158 Benchmark]: Toolchain (without parser) took 3411.90ms. Allocated memory was 88.1MB in the beginning and 111.1MB in the end (delta: 23.1MB). Free memory was 60.1MB in the beginning and 65.8MB in the end (delta: -5.8MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2023-11-21 18:38:12,554 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 69.2MB. Free memory is still 45.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:38:12,555 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1563.51ms. Allocated memory is still 88.1MB. Free memory was 59.8MB in the beginning and 41.7MB in the end (delta: 18.1MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. [2023-11-21 18:38:12,557 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.75ms. Allocated memory is still 88.1MB. Free memory was 41.7MB in the beginning and 38.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:38:12,557 INFO L158 Benchmark]: Boogie Preprocessor took 46.97ms. Allocated memory is still 88.1MB. Free memory was 38.8MB in the beginning and 36.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:38:12,563 INFO L158 Benchmark]: RCFGBuilder took 496.36ms. Allocated memory is still 88.1MB. Free memory was 36.7MB in the beginning and 45.3MB in the end (delta: -8.6MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2023-11-21 18:38:12,563 INFO L158 Benchmark]: CodeCheck took 1226.97ms. Allocated memory was 88.1MB in the beginning and 111.1MB in the end (delta: 23.1MB). Free memory was 45.3MB in the beginning and 66.4MB in the end (delta: -21.2MB). Peak memory consumption was 1.2MB. Max. memory is 16.1GB. [2023-11-21 18:38:12,565 INFO L158 Benchmark]: Witness Printer took 5.55ms. Allocated memory is still 111.1MB. Free memory is still 65.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:38:12,575 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, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, 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, 12 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, 12 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, 0.1s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 67 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: 1556]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1568. 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); [L1548] static int CWE190_Integer_Overflow__int_fgets_multiply_45_badData; [L1549] static int CWE190_Integer_Overflow__int_fgets_multiply_45_goodG2BData; [L1550] static int CWE190_Integer_Overflow__int_fgets_multiply_45_goodB2GData; [L1581] CALL printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_fgets_multiply_45_badData=0, CWE190_Integer_Overflow__int_fgets_multiply_45_goodB2GData=0, CWE190_Integer_Overflow__int_fgets_multiply_45_goodG2BData=0, 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) [L1581] RET printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_fgets_multiply_45_badData=0, CWE190_Integer_Overflow__int_fgets_multiply_45_goodB2GData=0, CWE190_Integer_Overflow__int_fgets_multiply_45_goodG2BData=0, 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] [L1582] CALL CWE190_Integer_Overflow__int_fgets_multiply_45_bad() [L1562] int data; [L1563] data = 0 [L1565] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1566] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1568] EXPR data = atoi(inputBuffer) [L1565] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1564-L1574] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1575] CWE190_Integer_Overflow__int_fgets_multiply_45_badData = data [L1576] CALL badSink() [L1553] int data = CWE190_Integer_Overflow__int_fgets_multiply_45_badData; VAL [CWE190_Integer_Overflow__int_fgets_multiply_45_badData=1073741825, CWE190_Integer_Overflow__int_fgets_multiply_45_goodB2GData=0, CWE190_Integer_Overflow__int_fgets_multiply_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] COND TRUE data > 0 VAL [CWE190_Integer_Overflow__int_fgets_multiply_45_badData=1073741825, CWE190_Integer_Overflow__int_fgets_multiply_45_goodB2GData=0, CWE190_Integer_Overflow__int_fgets_multiply_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] data * 2 VAL [CWE190_Integer_Overflow__int_fgets_multiply_45_badData=1073741825, CWE190_Integer_Overflow__int_fgets_multiply_45_goodB2GData=0, CWE190_Integer_Overflow__int_fgets_multiply_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 69.2MB. Free memory is still 45.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1563.51ms. Allocated memory is still 88.1MB. Free memory was 59.8MB in the beginning and 41.7MB in the end (delta: 18.1MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.75ms. Allocated memory is still 88.1MB. Free memory was 41.7MB in the beginning and 38.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.97ms. Allocated memory is still 88.1MB. Free memory was 38.8MB in the beginning and 36.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 496.36ms. Allocated memory is still 88.1MB. Free memory was 36.7MB in the beginning and 45.3MB in the end (delta: -8.6MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. * CodeCheck took 1226.97ms. Allocated memory was 88.1MB in the beginning and 111.1MB in the end (delta: 23.1MB). Free memory was 45.3MB in the beginning and 66.4MB in the end (delta: -21.2MB). Peak memory consumption was 1.2MB. Max. memory is 16.1GB. * Witness Printer took 5.55ms. Allocated memory is still 111.1MB. Free memory is still 65.8MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-21 18:38:12,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dbd81b7-c898-483a-b04f-22747baafe3d/bin/ukojak-verify-i0I2FZA1j2/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