./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_34_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_960c3ca8-2a51-4827-99bc-bc26b5610044/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_960c3ca8-2a51-4827-99bc-bc26b5610044/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_960c3ca8-2a51-4827-99bc-bc26b5610044/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_960c3ca8-2a51-4827-99bc-bc26b5610044/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_34_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_960c3ca8-2a51-4827-99bc-bc26b5610044/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_960c3ca8-2a51-4827-99bc-bc26b5610044/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 ab7d49d335dcbabb383c2b5ef4ecb910d32bfd99157b6ef0c9783c8f6ed82420 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:45:01,692 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:45:01,761 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_960c3ca8-2a51-4827-99bc-bc26b5610044/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 23:45:01,765 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:45:01,766 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:45:01,789 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:45:01,790 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:45:01,791 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:45:01,792 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:45:01,792 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:45:01,793 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:45:01,793 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:45:01,794 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:45:01,794 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:45:01,795 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:45:01,795 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:45:01,796 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:45:01,797 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 23:45:01,797 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:45:01,798 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:45:01,798 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:45:01,799 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:45:01,799 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:45:01,800 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:45:01,800 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:45:01,801 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:45:01,801 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:45:01,802 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:45:01,802 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:45:01,803 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:45:01,803 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:45:01,804 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:45:01,804 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_960c3ca8-2a51-4827-99bc-bc26b5610044/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_960c3ca8-2a51-4827-99bc-bc26b5610044/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab7d49d335dcbabb383c2b5ef4ecb910d32bfd99157b6ef0c9783c8f6ed82420 [2023-12-02 23:45:02,074 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:45:02,099 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:45:02,102 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:45:02,104 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:45:02,104 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:45:02,106 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_960c3ca8-2a51-4827-99bc-bc26b5610044/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_34_bad.i [2023-12-02 23:45:05,495 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:45:05,885 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:45:05,886 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_960c3ca8-2a51-4827-99bc-bc26b5610044/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_34_bad.i [2023-12-02 23:45:05,918 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_960c3ca8-2a51-4827-99bc-bc26b5610044/bin/ukojak-verify-Qdu7aM0XO9/data/c9b6d1b77/1413acff845d41c6a5519e6dbb580e0d/FLAGae6e606c2 [2023-12-02 23:45:05,935 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_960c3ca8-2a51-4827-99bc-bc26b5610044/bin/ukojak-verify-Qdu7aM0XO9/data/c9b6d1b77/1413acff845d41c6a5519e6dbb580e0d [2023-12-02 23:45:05,938 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:45:05,940 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:45:05,941 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:45:05,942 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:45:05,948 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:45:05,948 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:45:05" (1/1) ... [2023-12-02 23:45:05,950 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6650bd3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:05, skipping insertion in model container [2023-12-02 23:45:05,950 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:45:05" (1/1) ... [2023-12-02 23:45:06,059 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:45:06,937 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:45:06,953 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:45:07,049 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:45:07,239 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:45:07,239 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:45:07,240 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:45:07,240 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:45:07,240 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:45:07,250 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:45:07,250 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:07 WrapperNode [2023-12-02 23:45:07,251 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:45:07,252 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:45:07,252 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:45:07,252 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:45:07,262 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:07" (1/1) ... [2023-12-02 23:45:07,293 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:07" (1/1) ... [2023-12-02 23:45:07,323 INFO L138 Inliner]: procedures = 499, calls = 67, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 66 [2023-12-02 23:45:07,324 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:45:07,325 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:45:07,325 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:45:07,325 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:45:07,337 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:07" (1/1) ... [2023-12-02 23:45:07,338 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:07" (1/1) ... [2023-12-02 23:45:07,342 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:07" (1/1) ... [2023-12-02 23:45:07,343 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:07" (1/1) ... [2023-12-02 23:45:07,352 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:07" (1/1) ... [2023-12-02 23:45:07,354 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:07" (1/1) ... [2023-12-02 23:45:07,357 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:07" (1/1) ... [2023-12-02 23:45:07,359 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:07" (1/1) ... [2023-12-02 23:45:07,363 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:45:07,364 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:45:07,364 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:45:07,364 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:45:07,365 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:07" (1/1) ... [2023-12-02 23:45:07,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:45:07,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_960c3ca8-2a51-4827-99bc-bc26b5610044/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:45:07,404 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_960c3ca8-2a51-4827-99bc-bc26b5610044/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:45:07,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_960c3ca8-2a51-4827-99bc-bc26b5610044/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:45:07,448 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-02 23:45:07,448 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 23:45:07,448 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 23:45:07,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:45:07,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-02 23:45:07,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 23:45:07,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:45:07,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:45:07,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:45:07,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:45:07,450 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 23:45:07,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 23:45:07,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:45:07,625 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:45:07,627 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:45:07,781 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:45:07,824 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:45:07,825 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 23:45:07,827 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:45:07 BoogieIcfgContainer [2023-12-02 23:45:07,827 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:45:07,828 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:45:07,828 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:45:07,838 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:45:07,838 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:45:07" (1/1) ... [2023-12-02 23:45:07,848 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:45:07,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:07,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2023-12-02 23:45:07,905 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2023-12-02 23:45:07,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 23:45:07,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:07,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:45:08,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:08,224 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 23:45:08,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:08,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-12-02 23:45:08,265 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-12-02 23:45:08,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 23:45:08,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:08,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:45:08,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:45:08,321 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:45:08,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:45:08,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:45:08,455 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:45:08,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:45:08,502 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-02 23:45:08,533 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet103 [2023-12-02 23:45:08,540 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:45:08 ImpRootNode [2023-12-02 23:45:08,541 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:45:08,542 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:45:08,542 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:45:08,542 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:45:08,543 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:45:07" (3/4) ... [2023-12-02 23:45:08,545 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 23:45:08,547 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:45:08,548 INFO L158 Benchmark]: Toolchain (without parser) took 2608.09ms. Allocated memory was 136.3MB in the beginning and 169.9MB in the end (delta: 33.6MB). Free memory was 92.1MB in the beginning and 126.0MB in the end (delta: -33.9MB). Peak memory consumption was 785.9kB. Max. memory is 16.1GB. [2023-12-02 23:45:08,549 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 136.3MB. Free memory is still 108.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:45:08,550 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1309.67ms. Allocated memory was 136.3MB in the beginning and 169.9MB in the end (delta: 33.6MB). Free memory was 92.1MB in the beginning and 116.1MB in the end (delta: -23.9MB). Peak memory consumption was 59.2MB. Max. memory is 16.1GB. [2023-12-02 23:45:08,551 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.95ms. Allocated memory is still 169.9MB. Free memory was 116.1MB in the beginning and 112.8MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 23:45:08,551 INFO L158 Benchmark]: Boogie Preprocessor took 38.32ms. Allocated memory is still 169.9MB. Free memory was 112.8MB in the beginning and 111.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:45:08,552 INFO L158 Benchmark]: RCFGBuilder took 463.80ms. Allocated memory is still 169.9MB. Free memory was 111.6MB in the beginning and 95.1MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 23:45:08,553 INFO L158 Benchmark]: CodeCheck took 712.67ms. Allocated memory is still 169.9MB. Free memory was 95.1MB in the beginning and 126.9MB in the end (delta: -31.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:45:08,554 INFO L158 Benchmark]: Witness Printer took 5.32ms. Allocated memory is still 169.9MB. Free memory was 126.9MB in the beginning and 126.0MB in the end (delta: 907.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:45:08,558 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 13 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1574]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1562, overapproximation of large string literal at line 1582. 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); [L1582] 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) [L1582] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=18, argc=18, argv={13:49}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1583] CALL CWE190_Integer_Overflow__int_fgets_multiply_34_bad() [L1555] int data; [L1556] CWE190_Integer_Overflow__int_fgets_multiply_34_unionType myUnion; [L1557] data = 0 [L1559] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1560] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1562] EXPR data = atoi(inputBuffer) [L1559] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1558-L1568] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1569] myUnion.unionFirst = data [L1571] EXPR myUnion.unionSecond [L1571] int data = myUnion.unionSecond; [L1572] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, myUnion={7:0}] [L1574] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, myUnion={7:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 136.3MB. Free memory is still 108.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1309.67ms. Allocated memory was 136.3MB in the beginning and 169.9MB in the end (delta: 33.6MB). Free memory was 92.1MB in the beginning and 116.1MB in the end (delta: -23.9MB). Peak memory consumption was 59.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.95ms. Allocated memory is still 169.9MB. Free memory was 116.1MB in the beginning and 112.8MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.32ms. Allocated memory is still 169.9MB. Free memory was 112.8MB in the beginning and 111.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 463.80ms. Allocated memory is still 169.9MB. Free memory was 111.6MB in the beginning and 95.1MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 712.67ms. Allocated memory is still 169.9MB. Free memory was 95.1MB in the beginning and 126.9MB in the end (delta: -31.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.32ms. Allocated memory is still 169.9MB. Free memory was 126.9MB in the beginning and 126.0MB in the end (delta: 907.4kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet103 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 23:45:08,584 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_960c3ca8-2a51-4827-99bc-bc26b5610044/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_960c3ca8-2a51-4827-99bc-bc26b5610044/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_960c3ca8-2a51-4827-99bc-bc26b5610044/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_960c3ca8-2a51-4827-99bc-bc26b5610044/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_960c3ca8-2a51-4827-99bc-bc26b5610044/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_34_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_960c3ca8-2a51-4827-99bc-bc26b5610044/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_960c3ca8-2a51-4827-99bc-bc26b5610044/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 ab7d49d335dcbabb383c2b5ef4ecb910d32bfd99157b6ef0c9783c8f6ed82420 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:45:10,899 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:45:10,990 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_960c3ca8-2a51-4827-99bc-bc26b5610044/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-02 23:45:11,025 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:45:11,026 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:45:11,026 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:45:11,027 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:45:11,028 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:45:11,028 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:45:11,029 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:45:11,030 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:45:11,030 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:45:11,031 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:45:11,031 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:45:11,032 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:45:11,033 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:45:11,033 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 23:45:11,034 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:45:11,035 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:45:11,035 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:45:11,036 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:45:11,037 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:45:11,037 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:45:11,038 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:45:11,038 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:11,039 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:45:11,040 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:45:11,040 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:45:11,041 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:45:11,041 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:45:11,042 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:45:11,042 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:45:11,043 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:11,043 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:45:11,043 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:45:11,044 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:45:11,044 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_960c3ca8-2a51-4827-99bc-bc26b5610044/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_960c3ca8-2a51-4827-99bc-bc26b5610044/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab7d49d335dcbabb383c2b5ef4ecb910d32bfd99157b6ef0c9783c8f6ed82420 [2023-12-02 23:45:11,408 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:45:11,430 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:45:11,433 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:45:11,435 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:45:11,435 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:45:11,437 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_960c3ca8-2a51-4827-99bc-bc26b5610044/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_34_bad.i [2023-12-02 23:45:14,918 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:45:15,326 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:45:15,326 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_960c3ca8-2a51-4827-99bc-bc26b5610044/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_34_bad.i [2023-12-02 23:45:15,353 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_960c3ca8-2a51-4827-99bc-bc26b5610044/bin/ukojak-verify-Qdu7aM0XO9/data/6a214ba75/6ffb7b01bc3e462bbfbc948b5ab0611f/FLAG6a04ed598 [2023-12-02 23:45:15,370 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_960c3ca8-2a51-4827-99bc-bc26b5610044/bin/ukojak-verify-Qdu7aM0XO9/data/6a214ba75/6ffb7b01bc3e462bbfbc948b5ab0611f [2023-12-02 23:45:15,373 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:45:15,375 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:45:15,377 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:45:15,377 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:45:15,383 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:45:15,384 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:45:15" (1/1) ... [2023-12-02 23:45:15,385 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cf85e47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:15, skipping insertion in model container [2023-12-02 23:45:15,385 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:45:15" (1/1) ... [2023-12-02 23:45:15,456 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:45:16,383 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:45:16,402 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:45:16,513 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:45:16,663 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:45:16,664 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:45:16,664 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:45:16,664 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:45:16,664 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:45:16,672 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:45:16,673 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:16 WrapperNode [2023-12-02 23:45:16,673 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:45:16,674 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:45:16,674 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:45:16,674 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:45:16,681 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:16" (1/1) ... [2023-12-02 23:45:16,715 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:16" (1/1) ... [2023-12-02 23:45:16,744 INFO L138 Inliner]: procedures = 504, calls = 67, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2023-12-02 23:45:16,745 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:45:16,746 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:45:16,746 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:45:16,746 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:45:16,757 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:16" (1/1) ... [2023-12-02 23:45:16,758 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:16" (1/1) ... [2023-12-02 23:45:16,764 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:16" (1/1) ... [2023-12-02 23:45:16,764 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:16" (1/1) ... [2023-12-02 23:45:16,777 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:16" (1/1) ... [2023-12-02 23:45:16,779 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:16" (1/1) ... [2023-12-02 23:45:16,784 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:16" (1/1) ... [2023-12-02 23:45:16,786 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:16" (1/1) ... [2023-12-02 23:45:16,793 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:45:16,794 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:45:16,794 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:45:16,794 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:45:16,795 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:16" (1/1) ... [2023-12-02 23:45:16,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:45:16,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_960c3ca8-2a51-4827-99bc-bc26b5610044/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:45:16,830 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_960c3ca8-2a51-4827-99bc-bc26b5610044/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:45:16,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_960c3ca8-2a51-4827-99bc-bc26b5610044/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:45:16,877 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-02 23:45:16,877 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 23:45:16,877 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 23:45:16,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:45:16,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:45:16,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:45:16,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:45:16,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:45:16,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 23:45:16,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:45:16,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 23:45:16,879 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 23:45:16,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-12-02 23:45:17,082 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:45:17,085 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:45:17,260 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:45:17,326 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:45:17,326 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 23:45:17,328 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:45:17 BoogieIcfgContainer [2023-12-02 23:45:17,328 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:45:17,329 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:45:17,330 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:45:17,341 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:45:17,342 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:45:17" (1/1) ... [2023-12-02 23:45:17,353 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:45:17,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:17,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2023-12-02 23:45:17,422 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2023-12-02 23:45:17,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 23:45:17,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:17,429 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:17,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_960c3ca8-2a51-4827-99bc-bc26b5610044/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:17,430 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_960c3ca8-2a51-4827-99bc-bc26b5610044/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:17,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_960c3ca8-2a51-4827-99bc-bc26b5610044/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 23:45:17,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:17,688 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:17,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:17,748 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:45:17,754 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:17,796 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 23:45:17,808 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_960c3ca8-2a51-4827-99bc-bc26b5610044/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 23:45:17,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:17,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-12-02 23:45:17,855 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-12-02 23:45:17,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 23:45:17,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:17,856 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:17,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_960c3ca8-2a51-4827-99bc-bc26b5610044/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:17,857 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_960c3ca8-2a51-4827-99bc-bc26b5610044/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:17,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_960c3ca8-2a51-4827-99bc-bc26b5610044/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 23:45:18,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:45:18,130 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:45:18,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:45:18,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:45:18,515 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:45:18,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:45:18,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_960c3ca8-2a51-4827-99bc-bc26b5610044/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 23:45:18,698 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-02 23:45:18,729 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet101 [2023-12-02 23:45:18,738 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:45:18 ImpRootNode [2023-12-02 23:45:18,738 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:45:18,739 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:45:18,739 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:45:18,739 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:45:18,740 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:45:17" (3/4) ... [2023-12-02 23:45:18,742 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 23:45:18,744 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:45:18,745 INFO L158 Benchmark]: Toolchain (without parser) took 3369.67ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 43.9MB in the beginning and 61.0MB in the end (delta: -17.1MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. [2023-12-02 23:45:18,746 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 71.3MB. Free memory is still 47.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:45:18,747 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1296.72ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 43.7MB in the beginning and 57.5MB in the end (delta: -13.8MB). Peak memory consumption was 44.8MB. Max. memory is 16.1GB. [2023-12-02 23:45:18,747 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.20ms. Allocated memory is still 94.4MB. Free memory was 57.5MB in the beginning and 54.0MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:45:18,748 INFO L158 Benchmark]: Boogie Preprocessor took 47.05ms. Allocated memory is still 94.4MB. Free memory was 54.0MB in the beginning and 51.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:45:18,749 INFO L158 Benchmark]: RCFGBuilder took 534.82ms. Allocated memory is still 94.4MB. Free memory was 51.9MB in the beginning and 63.1MB in the end (delta: -11.2MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2023-12-02 23:45:18,750 INFO L158 Benchmark]: CodeCheck took 1408.99ms. Allocated memory is still 94.4MB. Free memory was 63.1MB in the beginning and 61.2MB in the end (delta: 1.9MB). Peak memory consumption was 1.1MB. Max. memory is 16.1GB. [2023-12-02 23:45:18,750 INFO L158 Benchmark]: Witness Printer took 4.87ms. Allocated memory is still 94.4MB. Free memory was 61.2MB in the beginning and 61.0MB in the end (delta: 192.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:45:18,754 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 13 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 80 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1574]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1562, overapproximation of large string literal at line 1582. 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); [L1582] 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) [L1582] 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] [L1583] CALL CWE190_Integer_Overflow__int_fgets_multiply_34_bad() [L1555] int data; [L1556] CWE190_Integer_Overflow__int_fgets_multiply_34_unionType myUnion; [L1557] data = 0 [L1559] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1560] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1562] EXPR data = atoi(inputBuffer) [L1559] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1558-L1568] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1569] myUnion.unionFirst = data [L1571] EXPR myUnion.unionSecond [L1571] int data = myUnion.unionSecond; [L1572] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, myUnion={7:0}] [L1574] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, myUnion={7:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 71.3MB. Free memory is still 47.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1296.72ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 43.7MB in the beginning and 57.5MB in the end (delta: -13.8MB). Peak memory consumption was 44.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.20ms. Allocated memory is still 94.4MB. Free memory was 57.5MB in the beginning and 54.0MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.05ms. Allocated memory is still 94.4MB. Free memory was 54.0MB in the beginning and 51.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 534.82ms. Allocated memory is still 94.4MB. Free memory was 51.9MB in the beginning and 63.1MB in the end (delta: -11.2MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. * CodeCheck took 1408.99ms. Allocated memory is still 94.4MB. Free memory was 63.1MB in the beginning and 61.2MB in the end (delta: 1.9MB). Peak memory consumption was 1.1MB. Max. memory is 16.1GB. * Witness Printer took 4.87ms. Allocated memory is still 94.4MB. Free memory was 61.2MB in the beginning and 61.0MB in the end (delta: 192.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet101 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 23:45:18,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_960c3ca8-2a51-4827-99bc-bc26b5610044/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