./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_07_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_2ca49dcd-0431-40bb-85eb-2642a8abef2e/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca49dcd-0431-40bb-85eb-2642a8abef2e/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_2ca49dcd-0431-40bb-85eb-2642a8abef2e/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca49dcd-0431-40bb-85eb-2642a8abef2e/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_07_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca49dcd-0431-40bb-85eb-2642a8abef2e/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_2ca49dcd-0431-40bb-85eb-2642a8abef2e/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 7305f9fc18fde7502807ae00345ca799a15d7d775e84b42fb7a915b5843f7132 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:30:15,517 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:30:15,579 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca49dcd-0431-40bb-85eb-2642a8abef2e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 21:30:15,583 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:30:15,584 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:30:15,605 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:30:15,606 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:30:15,607 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:30:15,608 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:30:15,608 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:30:15,609 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:30:15,609 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:30:15,610 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:30:15,610 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:30:15,611 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:30:15,611 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:30:15,612 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:30:15,612 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 21:30:15,613 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:30:15,613 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:30:15,614 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:30:15,615 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:30:15,615 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:30:15,615 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:30:15,616 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:30:15,616 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:30:15,617 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:30:15,617 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:30:15,618 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:30:15,618 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:30:15,619 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:30:15,619 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:30:15,619 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_2ca49dcd-0431-40bb-85eb-2642a8abef2e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca49dcd-0431-40bb-85eb-2642a8abef2e/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7305f9fc18fde7502807ae00345ca799a15d7d775e84b42fb7a915b5843f7132 [2023-12-02 21:30:15,845 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:30:15,868 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:30:15,871 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:30:15,872 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:30:15,873 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:30:15,874 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca49dcd-0431-40bb-85eb-2642a8abef2e/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_07_bad.i [2023-12-02 21:30:18,553 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:30:18,889 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:30:18,890 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca49dcd-0431-40bb-85eb-2642a8abef2e/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_07_bad.i [2023-12-02 21:30:18,913 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca49dcd-0431-40bb-85eb-2642a8abef2e/bin/ukojak-verify-Qdu7aM0XO9/data/b0632167d/309f05206d51494daa63cf9105441bea/FLAGc6a17b9cf [2023-12-02 21:30:18,927 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca49dcd-0431-40bb-85eb-2642a8abef2e/bin/ukojak-verify-Qdu7aM0XO9/data/b0632167d/309f05206d51494daa63cf9105441bea [2023-12-02 21:30:18,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:30:18,931 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:30:18,932 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:30:18,932 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:30:18,937 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:30:18,938 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:30:18" (1/1) ... [2023-12-02 21:30:18,939 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33d44452 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:30:18, skipping insertion in model container [2023-12-02 21:30:18,939 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:30:18" (1/1) ... [2023-12-02 21:30:18,994 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:30:19,759 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:30:19,770 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:30:19,852 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:30:20,001 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:30:20,001 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:30:20,001 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:30:20,002 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:30:20,002 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:30:20,008 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:30:20,008 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:30:20 WrapperNode [2023-12-02 21:30:20,008 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:30:20,009 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:30:20,009 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:30:20,010 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:30:20,015 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:30:20" (1/1) ... [2023-12-02 21:30:20,043 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:30:20" (1/1) ... [2023-12-02 21:30:20,068 INFO L138 Inliner]: procedures = 499, calls = 63, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 63 [2023-12-02 21:30:20,068 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:30:20,069 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:30:20,069 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:30:20,069 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:30:20,077 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:30:20" (1/1) ... [2023-12-02 21:30:20,078 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:30:20" (1/1) ... [2023-12-02 21:30:20,081 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:30:20" (1/1) ... [2023-12-02 21:30:20,082 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:30:20" (1/1) ... [2023-12-02 21:30:20,089 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:30:20" (1/1) ... [2023-12-02 21:30:20,091 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:30:20" (1/1) ... [2023-12-02 21:30:20,093 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:30:20" (1/1) ... [2023-12-02 21:30:20,095 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:30:20" (1/1) ... [2023-12-02 21:30:20,098 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:30:20,099 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:30:20,099 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:30:20,099 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:30:20,100 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:30:20" (1/1) ... [2023-12-02 21:30:20,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:30:20,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca49dcd-0431-40bb-85eb-2642a8abef2e/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:30:20,131 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca49dcd-0431-40bb-85eb-2642a8abef2e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:30:20,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca49dcd-0431-40bb-85eb-2642a8abef2e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:30:20,160 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-02 21:30:20,160 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 21:30:20,160 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 21:30:20,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 21:30:20,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-02 21:30:20,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:30:20,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:30:20,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:30:20,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 21:30:20,162 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 21:30:20,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:30:20,303 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:30:20,305 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:30:20,419 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:30:20,458 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:30:20,459 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 21:30:20,460 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:30:20 BoogieIcfgContainer [2023-12-02 21:30:20,460 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:30:20,461 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:30:20,461 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:30:20,470 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:30:20,470 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:30:20" (1/1) ... [2023-12-02 21:30:20,478 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:30:20,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:20,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2023-12-02 21:30:20,526 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2023-12-02 21:30:20,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 21:30:20,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:20,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:30:20,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:20,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:30:20,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:20,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 22 transitions. [2023-12-02 21:30:20,769 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2023-12-02 21:30:20,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 21:30:20,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:20,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:30:20,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:20,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:30:20,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:20,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 27 transitions. [2023-12-02 21:30:20,963 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2023-12-02 21:30:20,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 21:30:20,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:20,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:30:20,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:30:20,995 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:30:21,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:30:21,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:30:21,077 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:30:21,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:30:21,112 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2023-12-02 21:30:21,136 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet103 [2023-12-02 21:30:21,140 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post101 could not be translated [2023-12-02 21:30:21,144 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:30:21 ImpRootNode [2023-12-02 21:30:21,144 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:30:21,145 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:30:21,145 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:30:21,145 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:30:21,146 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:30:20" (3/4) ... [2023-12-02 21:30:21,147 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 21:30:21,148 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:30:21,150 INFO L158 Benchmark]: Toolchain (without parser) took 2218.16ms. Allocated memory was 140.5MB in the beginning and 188.7MB in the end (delta: 48.2MB). Free memory was 98.8MB in the beginning and 86.8MB in the end (delta: 12.0MB). Peak memory consumption was 62.2MB. Max. memory is 16.1GB. [2023-12-02 21:30:21,150 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 140.5MB. Free memory is still 110.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:30:21,151 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1076.30ms. Allocated memory was 140.5MB in the beginning and 188.7MB in the end (delta: 48.2MB). Free memory was 98.8MB in the beginning and 145.5MB in the end (delta: -46.7MB). Peak memory consumption was 68.4MB. Max. memory is 16.1GB. [2023-12-02 21:30:21,151 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.16ms. Allocated memory is still 188.7MB. Free memory was 145.5MB in the beginning and 142.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:30:21,152 INFO L158 Benchmark]: Boogie Preprocessor took 29.11ms. Allocated memory is still 188.7MB. Free memory was 142.4MB in the beginning and 140.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:30:21,153 INFO L158 Benchmark]: RCFGBuilder took 361.65ms. Allocated memory is still 188.7MB. Free memory was 140.3MB in the beginning and 125.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 21:30:21,153 INFO L158 Benchmark]: CodeCheck took 683.04ms. Allocated memory is still 188.7MB. Free memory was 125.6MB in the beginning and 87.8MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-12-02 21:30:21,154 INFO L158 Benchmark]: Witness Printer took 3.68ms. Allocated memory is still 188.7MB. Free memory was 87.8MB in the beginning and 86.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:30:21,157 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 48 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 44 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 22 IncrementalHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 36 mSDtfsCounter, 22 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 140 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 6 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, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 34 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 1559, overapproximation of large string literal at line 1579. 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 staticFive = 5; [L1579] 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}, staticFive=5] [L1414] COND TRUE line != ((void *)0) [L1579] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=13, argc=13, argv={18:19}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1580] CALL CWE190_Integer_Overflow__int_fgets_postinc_07_bad() [L1551] int data; [L1552] 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, staticFive=5] [L1553] COND TRUE staticFive==5 [L1556] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1557] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1559] EXPR data = atoi(inputBuffer) [L1556] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1555-L1565] { 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=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1567] COND TRUE staticFive==5 [L1570] data++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 140.5MB. Free memory is still 110.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1076.30ms. Allocated memory was 140.5MB in the beginning and 188.7MB in the end (delta: 48.2MB). Free memory was 98.8MB in the beginning and 145.5MB in the end (delta: -46.7MB). Peak memory consumption was 68.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.16ms. Allocated memory is still 188.7MB. Free memory was 145.5MB in the beginning and 142.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.11ms. Allocated memory is still 188.7MB. Free memory was 142.4MB in the beginning and 140.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 361.65ms. Allocated memory is still 188.7MB. Free memory was 140.3MB in the beginning and 125.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 683.04ms. Allocated memory is still 188.7MB. Free memory was 125.6MB in the beginning and 87.8MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Witness Printer took 3.68ms. Allocated memory is still 188.7MB. Free memory was 87.8MB in the beginning and 86.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet103 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post101 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 21:30:21,180 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca49dcd-0431-40bb-85eb-2642a8abef2e/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_2ca49dcd-0431-40bb-85eb-2642a8abef2e/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca49dcd-0431-40bb-85eb-2642a8abef2e/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_2ca49dcd-0431-40bb-85eb-2642a8abef2e/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca49dcd-0431-40bb-85eb-2642a8abef2e/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_07_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca49dcd-0431-40bb-85eb-2642a8abef2e/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_2ca49dcd-0431-40bb-85eb-2642a8abef2e/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 7305f9fc18fde7502807ae00345ca799a15d7d775e84b42fb7a915b5843f7132 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:30:23,112 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:30:23,187 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca49dcd-0431-40bb-85eb-2642a8abef2e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-02 21:30:23,217 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:30:23,218 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:30:23,219 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:30:23,219 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:30:23,220 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:30:23,221 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:30:23,221 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:30:23,222 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:30:23,222 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:30:23,223 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:30:23,223 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:30:23,224 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 21:30:23,224 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 21:30:23,225 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 21:30:23,225 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 21:30:23,226 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:30:23,226 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:30:23,227 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:30:23,228 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:30:23,228 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:30:23,229 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:30:23,229 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:23,229 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 21:30:23,230 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:30:23,230 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:30:23,231 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:30:23,231 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:30:23,232 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:30:23,232 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 21:30:23,232 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:23,233 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:30:23,233 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 21:30:23,233 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 21:30:23,233 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_2ca49dcd-0431-40bb-85eb-2642a8abef2e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca49dcd-0431-40bb-85eb-2642a8abef2e/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7305f9fc18fde7502807ae00345ca799a15d7d775e84b42fb7a915b5843f7132 [2023-12-02 21:30:23,506 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:30:23,525 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:30:23,528 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:30:23,528 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:30:23,529 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:30:23,530 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca49dcd-0431-40bb-85eb-2642a8abef2e/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_07_bad.i [2023-12-02 21:30:26,277 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:30:26,619 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:30:26,620 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca49dcd-0431-40bb-85eb-2642a8abef2e/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_07_bad.i [2023-12-02 21:30:26,644 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca49dcd-0431-40bb-85eb-2642a8abef2e/bin/ukojak-verify-Qdu7aM0XO9/data/ea6ffb301/f7e39da7a08240d08f760a1c123c94f9/FLAGa87c73144 [2023-12-02 21:30:26,659 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca49dcd-0431-40bb-85eb-2642a8abef2e/bin/ukojak-verify-Qdu7aM0XO9/data/ea6ffb301/f7e39da7a08240d08f760a1c123c94f9 [2023-12-02 21:30:26,662 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:30:26,663 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:30:26,664 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:30:26,665 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:30:26,670 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:30:26,670 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:30:26" (1/1) ... [2023-12-02 21:30:26,672 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43953ae2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:30:26, skipping insertion in model container [2023-12-02 21:30:26,672 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:30:26" (1/1) ... [2023-12-02 21:30:26,731 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:30:27,502 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:30:27,517 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:30:27,617 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:30:27,759 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:30:27,759 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:30:27,760 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:30:27,760 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:30:27,760 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:30:27,768 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:30:27,769 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:30:27 WrapperNode [2023-12-02 21:30:27,769 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:30:27,770 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:30:27,770 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:30:27,770 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:30:27,778 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:30:27" (1/1) ... [2023-12-02 21:30:27,805 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:30:27" (1/1) ... [2023-12-02 21:30:27,831 INFO L138 Inliner]: procedures = 504, calls = 63, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 62 [2023-12-02 21:30:27,832 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:30:27,832 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:30:27,832 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:30:27,833 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:30:27,842 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:30:27" (1/1) ... [2023-12-02 21:30:27,842 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:30:27" (1/1) ... [2023-12-02 21:30:27,847 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:30:27" (1/1) ... [2023-12-02 21:30:27,847 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:30:27" (1/1) ... [2023-12-02 21:30:27,857 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:30:27" (1/1) ... [2023-12-02 21:30:27,859 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:30:27" (1/1) ... [2023-12-02 21:30:27,862 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:30:27" (1/1) ... [2023-12-02 21:30:27,864 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:30:27" (1/1) ... [2023-12-02 21:30:27,869 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:30:27,870 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:30:27,870 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:30:27,870 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:30:27,871 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:30:27" (1/1) ... [2023-12-02 21:30:27,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:30:27,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca49dcd-0431-40bb-85eb-2642a8abef2e/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:30:27,902 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca49dcd-0431-40bb-85eb-2642a8abef2e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:30:27,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca49dcd-0431-40bb-85eb-2642a8abef2e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:30:27,941 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-02 21:30:27,941 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 21:30:27,942 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 21:30:27,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 21:30:27,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 21:30:27,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:30:27,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:30:27,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:30:27,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 21:30:27,942 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 21:30:27,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-12-02 21:30:28,116 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:30:28,118 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:30:28,249 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:30:28,287 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:30:28,288 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 21:30:28,289 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:30:28 BoogieIcfgContainer [2023-12-02 21:30:28,289 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:30:28,290 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:30:28,290 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:30:28,300 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:30:28,301 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:30:28" (1/1) ... [2023-12-02 21:30:28,310 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:30:28,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:28,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2023-12-02 21:30:28,366 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2023-12-02 21:30:28,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 21:30:28,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:28,371 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:28,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca49dcd-0431-40bb-85eb-2642a8abef2e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:28,373 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca49dcd-0431-40bb-85eb-2642a8abef2e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:28,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca49dcd-0431-40bb-85eb-2642a8abef2e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 21:30:28,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:28,523 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:28,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:28,550 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 21:30:28,554 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:28,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:30:28,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca49dcd-0431-40bb-85eb-2642a8abef2e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 21:30:28,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:28,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2023-12-02 21:30:28,601 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-12-02 21:30:28,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 21:30:28,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:28,602 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:28,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca49dcd-0431-40bb-85eb-2642a8abef2e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:28,603 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca49dcd-0431-40bb-85eb-2642a8abef2e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:28,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca49dcd-0431-40bb-85eb-2642a8abef2e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 21:30:28,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:28,704 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:28,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:28,731 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:30:28,732 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:28,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:30:28,758 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca49dcd-0431-40bb-85eb-2642a8abef2e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 21:30:28,759 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca49dcd-0431-40bb-85eb-2642a8abef2e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 21:30:28,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:28,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 26 transitions. [2023-12-02 21:30:28,816 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2023-12-02 21:30:28,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 21:30:28,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:28,818 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:28,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca49dcd-0431-40bb-85eb-2642a8abef2e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:28,819 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca49dcd-0431-40bb-85eb-2642a8abef2e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:28,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca49dcd-0431-40bb-85eb-2642a8abef2e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 21:30:28,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:30:28,994 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:30:29,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:30:29,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:30:29,190 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:30:29,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:30:29,255 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca49dcd-0431-40bb-85eb-2642a8abef2e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 21:30:29,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca49dcd-0431-40bb-85eb-2642a8abef2e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 21:30:29,260 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2023-12-02 21:30:29,284 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet101 [2023-12-02 21:30:29,287 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post99 could not be translated [2023-12-02 21:30:29,293 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:30:29 ImpRootNode [2023-12-02 21:30:29,293 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:30:29,294 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:30:29,294 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:30:29,294 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:30:29,295 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:30:28" (3/4) ... [2023-12-02 21:30:29,310 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 21:30:29,311 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:30:29,312 INFO L158 Benchmark]: Toolchain (without parser) took 2648.96ms. Allocated memory is still 117.4MB. Free memory was 90.3MB in the beginning and 88.4MB in the end (delta: 1.9MB). Peak memory consumption was 53.5MB. Max. memory is 16.1GB. [2023-12-02 21:30:29,313 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 67.1MB. Free memory was 43.1MB in the beginning and 43.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:30:29,313 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1104.74ms. Allocated memory is still 117.4MB. Free memory was 89.9MB in the beginning and 51.8MB in the end (delta: 38.1MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. [2023-12-02 21:30:29,314 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.75ms. Allocated memory is still 117.4MB. Free memory was 51.8MB in the beginning and 48.3MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 21:30:29,315 INFO L158 Benchmark]: Boogie Preprocessor took 36.96ms. Allocated memory is still 117.4MB. Free memory was 48.3MB in the beginning and 46.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:30:29,315 INFO L158 Benchmark]: RCFGBuilder took 419.65ms. Allocated memory is still 117.4MB. Free memory was 46.2MB in the beginning and 78.1MB in the end (delta: -31.9MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2023-12-02 21:30:29,316 INFO L158 Benchmark]: CodeCheck took 1003.27ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 41.9MB in the end (delta: 36.3MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-12-02 21:30:29,316 INFO L158 Benchmark]: Witness Printer took 17.41ms. Allocated memory is still 117.4MB. Free memory was 41.9MB in the beginning and 88.4MB in the end (delta: -46.5MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. [2023-12-02 21:30:29,320 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 57 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 45 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 39 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 136 GetRequests, 134 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, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 25 SizeOfPredicates, 0 NumberOfNonLiveVariables, 93 ConjunctsInSsa, 3 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 1559, overapproximation of large string literal at line 1579. 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 staticFive = 5; [L1579] 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}, staticFive=5] [L1414] COND TRUE line != ((void *)0) [L1579] 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, staticFive=5] [L1580] CALL CWE190_Integer_Overflow__int_fgets_postinc_07_bad() [L1551] int data; [L1552] 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, staticFive=5] [L1553] COND TRUE staticFive==5 [L1556] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1557] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1559] EXPR data = atoi(inputBuffer) [L1556] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1555-L1565] { 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=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1567] COND TRUE staticFive==5 [L1570] data++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 67.1MB. Free memory was 43.1MB in the beginning and 43.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1104.74ms. Allocated memory is still 117.4MB. Free memory was 89.9MB in the beginning and 51.8MB in the end (delta: 38.1MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.75ms. Allocated memory is still 117.4MB. Free memory was 51.8MB in the beginning and 48.3MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.96ms. Allocated memory is still 117.4MB. Free memory was 48.3MB in the beginning and 46.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 419.65ms. Allocated memory is still 117.4MB. Free memory was 46.2MB in the beginning and 78.1MB in the end (delta: -31.9MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. * CodeCheck took 1003.27ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 41.9MB in the end (delta: 36.3MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 17.41ms. Allocated memory is still 117.4MB. Free memory was 41.9MB in the beginning and 88.4MB in the end (delta: -46.5MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet101 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post99 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 21:30:29,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca49dcd-0431-40bb-85eb-2642a8abef2e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample