./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_09_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_39342b1f-e6b3-4de8-8d96-a0a3d6cfdc5c/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39342b1f-e6b3-4de8-8d96-a0a3d6cfdc5c/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_39342b1f-e6b3-4de8-8d96-a0a3d6cfdc5c/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39342b1f-e6b3-4de8-8d96-a0a3d6cfdc5c/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_09_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39342b1f-e6b3-4de8-8d96-a0a3d6cfdc5c/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_39342b1f-e6b3-4de8-8d96-a0a3d6cfdc5c/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 aa05a18aecd26648795d669443e856f1c6673d34cbf544333932fd03ac8d6997 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:03:06,504 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:03:06,568 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39342b1f-e6b3-4de8-8d96-a0a3d6cfdc5c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 02:03:06,572 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:03:06,573 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:03:06,595 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:03:06,596 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:03:06,596 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:03:06,597 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:03:06,597 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:03:06,598 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:03:06,598 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:03:06,599 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:03:06,599 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:03:06,600 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:03:06,601 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:03:06,601 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:03:06,602 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 02:03:06,602 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 02:03:06,603 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:03:06,603 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:03:06,604 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:03:06,604 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:03:06,605 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:03:06,605 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:03:06,606 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:03:06,606 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:03:06,607 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:03:06,607 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:03:06,608 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:03:06,608 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:03:06,609 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:03:06,609 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_39342b1f-e6b3-4de8-8d96-a0a3d6cfdc5c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39342b1f-e6b3-4de8-8d96-a0a3d6cfdc5c/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa05a18aecd26648795d669443e856f1c6673d34cbf544333932fd03ac8d6997 [2023-12-03 02:03:06,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:03:06,820 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:03:06,823 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:03:06,824 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:03:06,824 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:03:06,825 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39342b1f-e6b3-4de8-8d96-a0a3d6cfdc5c/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_09_bad.i [2023-12-03 02:03:09,546 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:03:09,847 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:03:09,848 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39342b1f-e6b3-4de8-8d96-a0a3d6cfdc5c/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_09_bad.i [2023-12-03 02:03:09,871 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39342b1f-e6b3-4de8-8d96-a0a3d6cfdc5c/bin/ukojak-verify-Qdu7aM0XO9/data/86a6c5b03/58bbeca9f3164bafaca66de817e9407c/FLAG4854ebc9b [2023-12-03 02:03:09,883 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39342b1f-e6b3-4de8-8d96-a0a3d6cfdc5c/bin/ukojak-verify-Qdu7aM0XO9/data/86a6c5b03/58bbeca9f3164bafaca66de817e9407c [2023-12-03 02:03:09,885 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:03:09,886 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:03:09,887 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:03:09,887 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:03:09,891 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:03:09,891 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:03:09" (1/1) ... [2023-12-03 02:03:09,892 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ce00bad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:03:09, skipping insertion in model container [2023-12-03 02:03:09,893 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:03:09" (1/1) ... [2023-12-03 02:03:09,960 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:03:10,677 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:03:10,689 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:03:10,769 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:03:10,885 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:03:10,885 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:03:10,885 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:03:10,886 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:03:10,886 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:03:10,893 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:03:10,893 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:03:10 WrapperNode [2023-12-03 02:03:10,894 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:03:10,895 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:03:10,895 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:03:10,895 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:03:10,902 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:03:10" (1/1) ... [2023-12-03 02:03:10,926 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:03:10" (1/1) ... [2023-12-03 02:03:10,950 INFO L138 Inliner]: procedures = 499, calls = 63, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 60 [2023-12-03 02:03:10,951 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:03:10,951 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:03:10,951 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:03:10,952 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:03:10,960 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:03:10" (1/1) ... [2023-12-03 02:03:10,961 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:03:10" (1/1) ... [2023-12-03 02:03:10,964 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:03:10" (1/1) ... [2023-12-03 02:03:10,964 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:03:10" (1/1) ... [2023-12-03 02:03:10,970 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:03:10" (1/1) ... [2023-12-03 02:03:10,972 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:03:10" (1/1) ... [2023-12-03 02:03:10,974 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:03:10" (1/1) ... [2023-12-03 02:03:10,975 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:03:10" (1/1) ... [2023-12-03 02:03:10,978 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:03:10,979 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:03:10,979 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:03:10,979 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:03:10,980 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:03:10" (1/1) ... [2023-12-03 02:03:10,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:03:10,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39342b1f-e6b3-4de8-8d96-a0a3d6cfdc5c/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:03:11,009 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39342b1f-e6b3-4de8-8d96-a0a3d6cfdc5c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:03:11,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39342b1f-e6b3-4de8-8d96-a0a3d6cfdc5c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:03:11,035 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-03 02:03:11,036 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 02:03:11,036 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 02:03:11,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:03:11,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-03 02:03:11,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:03:11,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:03:11,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:03:11,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:03:11,037 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 02:03:11,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:03:11,165 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:03:11,167 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:03:11,277 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:03:11,311 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:03:11,311 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 02:03:11,313 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:03:11 BoogieIcfgContainer [2023-12-03 02:03:11,313 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:03:11,314 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:03:11,314 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:03:11,323 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:03:11,323 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:03:11" (1/1) ... [2023-12-03 02:03:11,331 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:03:11,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:11,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2023-12-03 02:03:11,375 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2023-12-03 02:03:11,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 02:03:11,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:11,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:11,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:11,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:03:11,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:11,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 24 transitions. [2023-12-03 02:03:11,647 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2023-12-03 02:03:11,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 02:03:11,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:11,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:11,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:11,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:03:11,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:11,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 23 transitions. [2023-12-03 02:03:11,763 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2023-12-03 02:03:11,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 02:03:11,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:11,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:11,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:03:11,794 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:03:11,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:03:11,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:03:11,874 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:03:11,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:03:11,910 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2023-12-03 02:03:11,935 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet102 [2023-12-03 02:03:11,941 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 02:03:11 ImpRootNode [2023-12-03 02:03:11,942 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 02:03:11,942 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 02:03:11,942 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 02:03:11,943 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 02:03:11,943 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:03:11" (3/4) ... [2023-12-03 02:03:11,945 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 02:03:11,946 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 02:03:11,947 INFO L158 Benchmark]: Toolchain (without parser) took 2060.58ms. Allocated memory is still 165.7MB. Free memory was 120.2MB in the beginning and 62.8MB in the end (delta: 57.4MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. [2023-12-03 02:03:11,947 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:03:11,948 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1006.82ms. Allocated memory is still 165.7MB. Free memory was 119.9MB in the beginning and 118.0MB in the end (delta: 1.9MB). Peak memory consumption was 55.7MB. Max. memory is 16.1GB. [2023-12-03 02:03:11,948 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.08ms. Allocated memory is still 165.7MB. Free memory was 118.0MB in the beginning and 114.5MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 02:03:11,949 INFO L158 Benchmark]: Boogie Preprocessor took 27.17ms. Allocated memory is still 165.7MB. Free memory was 114.5MB in the beginning and 113.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:03:11,949 INFO L158 Benchmark]: RCFGBuilder took 334.04ms. Allocated memory is still 165.7MB. Free memory was 113.1MB in the beginning and 98.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 02:03:11,950 INFO L158 Benchmark]: CodeCheck took 627.76ms. Allocated memory is still 165.7MB. Free memory was 98.4MB in the beginning and 63.4MB in the end (delta: 35.0MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-12-03 02:03:11,951 INFO L158 Benchmark]: Witness Printer took 3.75ms. Allocated memory is still 165.7MB. Free memory was 63.4MB in the beginning and 62.8MB in the end (delta: 653.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:03:11,954 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, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 57 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 41 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 37 mSDtfsCounter, 18 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 151 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 26 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of large string literal at line 1578. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1578] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1578] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=29, argc=29, argv={13:28}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1579] CALL CWE190_Integer_Overflow__int_fgets_multiply_09_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE \read(GLOBAL_CONST_TRUE) [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] EXPR data = atoi(inputBuffer) [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1554-L1564] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] COND TRUE \read(GLOBAL_CONST_TRUE) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1006.82ms. Allocated memory is still 165.7MB. Free memory was 119.9MB in the beginning and 118.0MB in the end (delta: 1.9MB). Peak memory consumption was 55.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.08ms. Allocated memory is still 165.7MB. Free memory was 118.0MB in the beginning and 114.5MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.17ms. Allocated memory is still 165.7MB. Free memory was 114.5MB in the beginning and 113.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 334.04ms. Allocated memory is still 165.7MB. Free memory was 113.1MB in the beginning and 98.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 627.76ms. Allocated memory is still 165.7MB. Free memory was 98.4MB in the beginning and 63.4MB in the end (delta: 35.0MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 3.75ms. Allocated memory is still 165.7MB. Free memory was 63.4MB in the beginning and 62.8MB in the end (delta: 653.4kB). 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~nondet102 - 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 [2023-12-03 02:03:11,976 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39342b1f-e6b3-4de8-8d96-a0a3d6cfdc5c/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_39342b1f-e6b3-4de8-8d96-a0a3d6cfdc5c/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39342b1f-e6b3-4de8-8d96-a0a3d6cfdc5c/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_39342b1f-e6b3-4de8-8d96-a0a3d6cfdc5c/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39342b1f-e6b3-4de8-8d96-a0a3d6cfdc5c/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_09_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39342b1f-e6b3-4de8-8d96-a0a3d6cfdc5c/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_39342b1f-e6b3-4de8-8d96-a0a3d6cfdc5c/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 aa05a18aecd26648795d669443e856f1c6673d34cbf544333932fd03ac8d6997 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:03:13,884 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:03:13,961 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39342b1f-e6b3-4de8-8d96-a0a3d6cfdc5c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 02:03:13,992 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:03:13,993 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:03:13,994 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:03:13,994 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:03:13,995 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:03:13,996 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:03:13,996 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:03:13,997 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:03:13,997 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:03:13,998 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:03:13,998 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:03:13,999 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 02:03:13,999 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 02:03:14,000 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 02:03:14,000 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 02:03:14,001 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 02:03:14,001 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:03:14,002 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:03:14,002 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:03:14,003 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:03:14,003 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:03:14,004 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:03:14,004 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 02:03:14,005 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:03:14,005 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:03:14,006 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:03:14,006 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:03:14,007 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:03:14,007 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 02:03:14,007 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:03:14,008 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:03:14,008 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 02:03:14,008 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 02:03:14,008 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_39342b1f-e6b3-4de8-8d96-a0a3d6cfdc5c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39342b1f-e6b3-4de8-8d96-a0a3d6cfdc5c/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa05a18aecd26648795d669443e856f1c6673d34cbf544333932fd03ac8d6997 [2023-12-03 02:03:14,292 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:03:14,312 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:03:14,315 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:03:14,316 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:03:14,317 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:03:14,318 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39342b1f-e6b3-4de8-8d96-a0a3d6cfdc5c/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_09_bad.i [2023-12-03 02:03:17,165 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:03:17,507 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:03:17,507 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39342b1f-e6b3-4de8-8d96-a0a3d6cfdc5c/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_09_bad.i [2023-12-03 02:03:17,531 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39342b1f-e6b3-4de8-8d96-a0a3d6cfdc5c/bin/ukojak-verify-Qdu7aM0XO9/data/f5b259733/1000196c256b46928a4876baa7e3c98c/FLAGc9aebe9a3 [2023-12-03 02:03:17,546 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39342b1f-e6b3-4de8-8d96-a0a3d6cfdc5c/bin/ukojak-verify-Qdu7aM0XO9/data/f5b259733/1000196c256b46928a4876baa7e3c98c [2023-12-03 02:03:17,549 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:03:17,551 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:03:17,552 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:03:17,552 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:03:17,557 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:03:17,558 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:03:17" (1/1) ... [2023-12-03 02:03:17,559 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31cf0db3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:03:17, skipping insertion in model container [2023-12-03 02:03:17,559 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:03:17" (1/1) ... [2023-12-03 02:03:17,615 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:03:18,359 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:03:18,375 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:03:18,492 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:03:18,638 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:03:18,639 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:03:18,639 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:03:18,639 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:03:18,639 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:03:18,647 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:03:18,647 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:03:18 WrapperNode [2023-12-03 02:03:18,648 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:03:18,649 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:03:18,649 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:03:18,649 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:03:18,656 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:03:18" (1/1) ... [2023-12-03 02:03:18,685 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:03:18" (1/1) ... [2023-12-03 02:03:18,710 INFO L138 Inliner]: procedures = 504, calls = 63, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2023-12-03 02:03:18,711 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:03:18,711 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:03:18,712 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:03:18,712 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:03:18,721 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:03:18" (1/1) ... [2023-12-03 02:03:18,721 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:03:18" (1/1) ... [2023-12-03 02:03:18,726 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:03:18" (1/1) ... [2023-12-03 02:03:18,726 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:03:18" (1/1) ... [2023-12-03 02:03:18,736 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:03:18" (1/1) ... [2023-12-03 02:03:18,738 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:03:18" (1/1) ... [2023-12-03 02:03:18,742 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:03:18" (1/1) ... [2023-12-03 02:03:18,744 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:03:18" (1/1) ... [2023-12-03 02:03:18,749 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:03:18,750 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:03:18,750 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:03:18,750 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:03:18,751 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:03:18" (1/1) ... [2023-12-03 02:03:18,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:03:18,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39342b1f-e6b3-4de8-8d96-a0a3d6cfdc5c/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:03:18,782 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39342b1f-e6b3-4de8-8d96-a0a3d6cfdc5c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:03:18,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39342b1f-e6b3-4de8-8d96-a0a3d6cfdc5c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:03:18,821 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-03 02:03:18,822 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 02:03:18,822 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 02:03:18,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:03:18,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 02:03:18,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:03:18,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:03:18,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:03:18,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:03:18,823 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 02:03:18,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-12-03 02:03:18,993 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:03:18,995 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:03:19,125 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:03:19,165 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:03:19,165 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 02:03:19,167 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:03:19 BoogieIcfgContainer [2023-12-03 02:03:19,167 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:03:19,168 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:03:19,168 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:03:19,175 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:03:19,176 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:03:19" (1/1) ... [2023-12-03 02:03:19,184 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:03:19,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:19,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2023-12-03 02:03:19,230 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2023-12-03 02:03:19,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 02:03:19,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:19,235 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:03:19,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39342b1f-e6b3-4de8-8d96-a0a3d6cfdc5c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:03:19,237 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39342b1f-e6b3-4de8-8d96-a0a3d6cfdc5c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:03:19,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39342b1f-e6b3-4de8-8d96-a0a3d6cfdc5c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 02:03:19,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:19,358 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:03:19,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:19,387 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 02:03:19,391 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:03:19,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:03:19,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39342b1f-e6b3-4de8-8d96-a0a3d6cfdc5c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 02:03:19,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:19,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2023-12-03 02:03:19,467 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2023-12-03 02:03:19,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 02:03:19,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:19,468 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:03:19,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39342b1f-e6b3-4de8-8d96-a0a3d6cfdc5c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:03:19,469 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39342b1f-e6b3-4de8-8d96-a0a3d6cfdc5c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:03:19,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39342b1f-e6b3-4de8-8d96-a0a3d6cfdc5c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 02:03:19,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:19,605 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:03:19,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:19,640 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 02:03:19,641 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:03:19,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:03:19,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39342b1f-e6b3-4de8-8d96-a0a3d6cfdc5c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-12-03 02:03:19,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:19,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2023-12-03 02:03:19,679 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2023-12-03 02:03:19,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 02:03:19,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:19,680 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:03:19,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39342b1f-e6b3-4de8-8d96-a0a3d6cfdc5c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:03:19,681 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39342b1f-e6b3-4de8-8d96-a0a3d6cfdc5c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:03:19,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39342b1f-e6b3-4de8-8d96-a0a3d6cfdc5c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 02:03:19,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:03:19,832 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:03:19,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:03:20,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:03:20,001 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:03:20,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:03:20,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39342b1f-e6b3-4de8-8d96-a0a3d6cfdc5c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-12-03 02:03:20,049 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39342b1f-e6b3-4de8-8d96-a0a3d6cfdc5c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 02:03:20,049 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2023-12-03 02:03:20,074 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet100 [2023-12-03 02:03:20,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 02:03:20 ImpRootNode [2023-12-03 02:03:20,080 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 02:03:20,081 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 02:03:20,081 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 02:03:20,081 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 02:03:20,081 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:03:19" (3/4) ... [2023-12-03 02:03:20,083 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 02:03:20,084 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 02:03:20,084 INFO L158 Benchmark]: Toolchain (without parser) took 2533.82ms. Allocated memory is still 113.2MB. Free memory was 86.6MB in the beginning and 79.7MB in the end (delta: 6.8MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2023-12-03 02:03:20,085 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 62.9MB. Free memory is still 39.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:03:20,085 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1096.02ms. Allocated memory is still 113.2MB. Free memory was 86.2MB in the beginning and 52.3MB in the end (delta: 33.9MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. [2023-12-03 02:03:20,086 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.34ms. Allocated memory is still 113.2MB. Free memory was 52.3MB in the beginning and 49.0MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:03:20,087 INFO L158 Benchmark]: Boogie Preprocessor took 37.69ms. Allocated memory is still 113.2MB. Free memory was 49.0MB in the beginning and 46.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:03:20,087 INFO L158 Benchmark]: RCFGBuilder took 417.15ms. Allocated memory is still 113.2MB. Free memory was 46.9MB in the beginning and 73.0MB in the end (delta: -26.1MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2023-12-03 02:03:20,088 INFO L158 Benchmark]: CodeCheck took 912.61ms. Allocated memory is still 113.2MB. Free memory was 73.0MB in the beginning and 79.7MB in the end (delta: -6.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:03:20,088 INFO L158 Benchmark]: Witness Printer took 2.92ms. Allocated memory is still 113.2MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:03:20,092 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, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 52 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 33 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14 IncrementalHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 29 mSDtfsCounter, 14 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 150 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 22 SizeOfPredicates, 0 NumberOfNonLiveVariables, 111 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of large string literal at line 1578. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1578] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1578] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=0, argc=0, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1579] CALL CWE190_Integer_Overflow__int_fgets_multiply_09_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE \read(GLOBAL_CONST_TRUE) [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] EXPR data = atoi(inputBuffer) [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1554-L1564] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] COND TRUE \read(GLOBAL_CONST_TRUE) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 62.9MB. Free memory is still 39.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1096.02ms. Allocated memory is still 113.2MB. Free memory was 86.2MB in the beginning and 52.3MB in the end (delta: 33.9MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.34ms. Allocated memory is still 113.2MB. Free memory was 52.3MB in the beginning and 49.0MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.69ms. Allocated memory is still 113.2MB. Free memory was 49.0MB in the beginning and 46.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 417.15ms. Allocated memory is still 113.2MB. Free memory was 46.9MB in the beginning and 73.0MB in the end (delta: -26.1MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. * CodeCheck took 912.61ms. Allocated memory is still 113.2MB. Free memory was 73.0MB in the beginning and 79.7MB in the end (delta: -6.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.92ms. Allocated memory is still 113.2MB. Free memory is still 79.7MB. 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~nondet100 - 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 [2023-12-03 02:03:20,110 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39342b1f-e6b3-4de8-8d96-a0a3d6cfdc5c/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample