./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_42_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_1f0bc0fb-b46b-4763-ae7c-8772d3bbb656/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f0bc0fb-b46b-4763-ae7c-8772d3bbb656/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_1f0bc0fb-b46b-4763-ae7c-8772d3bbb656/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f0bc0fb-b46b-4763-ae7c-8772d3bbb656/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f0bc0fb-b46b-4763-ae7c-8772d3bbb656/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_1f0bc0fb-b46b-4763-ae7c-8772d3bbb656/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 c59176cd00520a5a4aca656e3f81e02c964e0650c21d035534f9139b7ed3a3bf --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:00:08,314 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:00:08,378 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f0bc0fb-b46b-4763-ae7c-8772d3bbb656/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 00:00:08,382 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:00:08,383 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:00:08,406 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:00:08,407 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:00:08,407 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:00:08,408 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:00:08,408 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:00:08,409 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:00:08,410 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:00:08,410 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:00:08,411 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:00:08,411 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:00:08,412 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:00:08,412 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:00:08,413 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 00:00:08,413 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 00:00:08,414 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:00:08,414 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:00:08,417 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:00:08,417 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:00:08,417 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:00:08,418 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:00:08,418 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:00:08,419 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:00:08,419 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:00:08,420 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:00:08,420 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:00:08,420 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:00:08,421 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:00:08,421 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_1f0bc0fb-b46b-4763-ae7c-8772d3bbb656/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f0bc0fb-b46b-4763-ae7c-8772d3bbb656/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c59176cd00520a5a4aca656e3f81e02c964e0650c21d035534f9139b7ed3a3bf [2023-12-03 00:00:08,622 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:00:08,643 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:00:08,655 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:00:08,656 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:00:08,656 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:00:08,658 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f0bc0fb-b46b-4763-ae7c-8772d3bbb656/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_42_bad.i [2023-12-03 00:00:11,295 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:00:11,630 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:00:11,631 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f0bc0fb-b46b-4763-ae7c-8772d3bbb656/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_42_bad.i [2023-12-03 00:00:11,653 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f0bc0fb-b46b-4763-ae7c-8772d3bbb656/bin/ukojak-verify-Qdu7aM0XO9/data/752cfda4f/2f790cc8f6d348329606c3ad1ed92780/FLAG360f955cb [2023-12-03 00:00:11,665 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f0bc0fb-b46b-4763-ae7c-8772d3bbb656/bin/ukojak-verify-Qdu7aM0XO9/data/752cfda4f/2f790cc8f6d348329606c3ad1ed92780 [2023-12-03 00:00:11,667 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:00:11,669 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:00:11,670 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:00:11,670 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:00:11,674 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:00:11,674 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:00:11" (1/1) ... [2023-12-03 00:00:11,675 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e55423b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:11, skipping insertion in model container [2023-12-03 00:00:11,676 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:00:11" (1/1) ... [2023-12-03 00:00:11,730 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:00:12,384 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:00:12,396 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:00:12,475 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:00:12,569 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:00:12,569 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:00:12,569 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:00:12,570 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:00:12,570 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:00:12,575 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:00:12,576 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:12 WrapperNode [2023-12-03 00:00:12,576 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:00:12,577 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:00:12,577 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:00:12,577 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:00:12,582 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:12" (1/1) ... [2023-12-03 00:00:12,607 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:12" (1/1) ... [2023-12-03 00:00:12,632 INFO L138 Inliner]: procedures = 500, calls = 64, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 65 [2023-12-03 00:00:12,632 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:00:12,633 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:00:12,633 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:00:12,633 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:00:12,641 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:12" (1/1) ... [2023-12-03 00:00:12,641 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:12" (1/1) ... [2023-12-03 00:00:12,643 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:12" (1/1) ... [2023-12-03 00:00:12,644 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:12" (1/1) ... [2023-12-03 00:00:12,651 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:12" (1/1) ... [2023-12-03 00:00:12,653 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:12" (1/1) ... [2023-12-03 00:00:12,655 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:12" (1/1) ... [2023-12-03 00:00:12,656 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:12" (1/1) ... [2023-12-03 00:00:12,659 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:00:12,660 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:00:12,660 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:00:12,660 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:00:12,661 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:12" (1/1) ... [2023-12-03 00:00:12,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:00:12,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f0bc0fb-b46b-4763-ae7c-8772d3bbb656/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:00:12,693 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f0bc0fb-b46b-4763-ae7c-8772d3bbb656/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:00:12,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f0bc0fb-b46b-4763-ae7c-8772d3bbb656/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:00:12,727 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-03 00:00:12,728 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 00:00:12,728 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 00:00:12,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:00:12,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-03 00:00:12,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:00:12,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:00:12,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:00:12,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:00:12,729 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 00:00:12,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:00:12,861 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:00:12,862 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:00:12,969 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:00:13,003 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:00:13,003 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 00:00:13,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:00:13 BoogieIcfgContainer [2023-12-03 00:00:13,005 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:00:13,005 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:00:13,005 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:00:13,013 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:00:13,013 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:00:13" (1/1) ... [2023-12-03 00:00:13,021 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:00:13,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:00:13,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2023-12-03 00:00:13,081 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2023-12-03 00:00:13,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 00:00:13,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:00:13,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:00:13,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:00:13,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:00:13,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:00:13,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-12-03 00:00:13,356 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-12-03 00:00:13,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:00:13,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:00:13,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:00:13,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:00:13,397 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:00:13,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:00:13,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:00:13,482 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:00:13,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:00:13,516 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-03 00:00:13,540 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet103 [2023-12-03 00:00:13,546 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 12:00:13 ImpRootNode [2023-12-03 00:00:13,546 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 00:00:13,547 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 00:00:13,547 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 00:00:13,547 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 00:00:13,548 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:00:13" (3/4) ... [2023-12-03 00:00:13,550 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 00:00:13,551 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 00:00:13,552 INFO L158 Benchmark]: Toolchain (without parser) took 1882.87ms. Allocated memory is still 182.5MB. Free memory was 146.2MB in the beginning and 122.2MB in the end (delta: 24.0MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. [2023-12-03 00:00:13,553 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 115.3MB. Free memory was 84.2MB in the beginning and 84.2MB in the end (delta: 26.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:00:13,553 INFO L158 Benchmark]: CACSL2BoogieTranslator took 906.03ms. Allocated memory is still 182.5MB. Free memory was 146.0MB in the beginning and 81.2MB in the end (delta: 64.8MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2023-12-03 00:00:13,554 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.70ms. Allocated memory is still 182.5MB. Free memory was 81.2MB in the beginning and 78.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 00:00:13,554 INFO L158 Benchmark]: Boogie Preprocessor took 26.17ms. Allocated memory is still 182.5MB. Free memory was 78.0MB in the beginning and 77.1MB in the end (delta: 892.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:00:13,555 INFO L158 Benchmark]: RCFGBuilder took 344.85ms. Allocated memory is still 182.5MB. Free memory was 77.1MB in the beginning and 61.2MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 00:00:13,556 INFO L158 Benchmark]: CodeCheck took 541.03ms. Allocated memory is still 182.5MB. Free memory was 61.2MB in the beginning and 122.2MB in the end (delta: -61.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:00:13,556 INFO L158 Benchmark]: Witness Printer took 4.13ms. Allocated memory is still 182.5MB. Free memory is still 122.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:00:13,559 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 12 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 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 1554, overapproximation of large string literal at line 1577. 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); [L1577] 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) [L1577] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=27, argc=27, argv={28:26}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1578] CALL CWE190_Integer_Overflow__int_fgets_multiply_42_bad() [L1565] int data; [L1566] data = 0 [L1567] CALL, EXPR badSource(data) [L1551] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1552] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1554] EXPR data = atoi(inputBuffer) [L1551] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1550-L1560] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1561] return data; [L1567] RET, EXPR badSource(data) [L1567] data = badSource(data) [L1568] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 115.3MB. Free memory was 84.2MB in the beginning and 84.2MB in the end (delta: 26.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 906.03ms. Allocated memory is still 182.5MB. Free memory was 146.0MB in the beginning and 81.2MB in the end (delta: 64.8MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.70ms. Allocated memory is still 182.5MB. Free memory was 81.2MB in the beginning and 78.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.17ms. Allocated memory is still 182.5MB. Free memory was 78.0MB in the beginning and 77.1MB in the end (delta: 892.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 344.85ms. Allocated memory is still 182.5MB. Free memory was 77.1MB in the beginning and 61.2MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 541.03ms. Allocated memory is still 182.5MB. Free memory was 61.2MB in the beginning and 122.2MB in the end (delta: -61.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.13ms. Allocated memory is still 182.5MB. Free memory is still 122.2MB. 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 [2023-12-03 00:00:13,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f0bc0fb-b46b-4763-ae7c-8772d3bbb656/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_1f0bc0fb-b46b-4763-ae7c-8772d3bbb656/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f0bc0fb-b46b-4763-ae7c-8772d3bbb656/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_1f0bc0fb-b46b-4763-ae7c-8772d3bbb656/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f0bc0fb-b46b-4763-ae7c-8772d3bbb656/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f0bc0fb-b46b-4763-ae7c-8772d3bbb656/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_1f0bc0fb-b46b-4763-ae7c-8772d3bbb656/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 c59176cd00520a5a4aca656e3f81e02c964e0650c21d035534f9139b7ed3a3bf --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:00:15,492 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:00:15,560 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f0bc0fb-b46b-4763-ae7c-8772d3bbb656/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 00:00:15,591 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:00:15,592 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:00:15,593 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:00:15,593 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:00:15,594 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:00:15,594 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:00:15,595 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:00:15,595 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:00:15,596 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:00:15,596 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:00:15,597 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:00:15,597 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 00:00:15,598 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 00:00:15,598 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 00:00:15,599 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 00:00:15,599 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 00:00:15,600 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:00:15,600 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:00:15,601 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:00:15,601 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:00:15,602 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:00:15,602 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:00:15,603 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 00:00:15,603 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:00:15,604 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:00:15,604 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:00:15,604 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:00:15,605 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:00:15,605 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 00:00:15,606 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:00:15,606 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:00:15,606 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 00:00:15,606 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 00:00:15,606 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_1f0bc0fb-b46b-4763-ae7c-8772d3bbb656/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f0bc0fb-b46b-4763-ae7c-8772d3bbb656/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c59176cd00520a5a4aca656e3f81e02c964e0650c21d035534f9139b7ed3a3bf [2023-12-03 00:00:15,913 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:00:15,933 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:00:15,936 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:00:15,937 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:00:15,938 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:00:15,939 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f0bc0fb-b46b-4763-ae7c-8772d3bbb656/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_42_bad.i [2023-12-03 00:00:18,723 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:00:19,059 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:00:19,060 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f0bc0fb-b46b-4763-ae7c-8772d3bbb656/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_42_bad.i [2023-12-03 00:00:19,086 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f0bc0fb-b46b-4763-ae7c-8772d3bbb656/bin/ukojak-verify-Qdu7aM0XO9/data/89354c4da/4d796d57eb8e4335ba5b73d3684cfea5/FLAGd70d6ed9d [2023-12-03 00:00:19,100 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f0bc0fb-b46b-4763-ae7c-8772d3bbb656/bin/ukojak-verify-Qdu7aM0XO9/data/89354c4da/4d796d57eb8e4335ba5b73d3684cfea5 [2023-12-03 00:00:19,103 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:00:19,104 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:00:19,106 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:00:19,106 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:00:19,111 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:00:19,112 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:00:19" (1/1) ... [2023-12-03 00:00:19,113 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10ec747a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:19, skipping insertion in model container [2023-12-03 00:00:19,113 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:00:19" (1/1) ... [2023-12-03 00:00:19,173 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:00:20,022 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:00:20,036 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:00:20,117 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:00:20,277 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:00:20,278 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:00:20,278 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:00:20,278 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:00:20,278 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:00:20,285 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:00:20,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:20 WrapperNode [2023-12-03 00:00:20,286 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:00:20,287 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:00:20,287 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:00:20,287 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:00:20,294 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:20" (1/1) ... [2023-12-03 00:00:20,322 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:20" (1/1) ... [2023-12-03 00:00:20,347 INFO L138 Inliner]: procedures = 505, calls = 64, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 63 [2023-12-03 00:00:20,347 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:00:20,348 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:00:20,348 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:00:20,349 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:00:20,357 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:20" (1/1) ... [2023-12-03 00:00:20,357 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:20" (1/1) ... [2023-12-03 00:00:20,361 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:20" (1/1) ... [2023-12-03 00:00:20,362 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:20" (1/1) ... [2023-12-03 00:00:20,371 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:20" (1/1) ... [2023-12-03 00:00:20,373 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:20" (1/1) ... [2023-12-03 00:00:20,377 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:20" (1/1) ... [2023-12-03 00:00:20,379 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:20" (1/1) ... [2023-12-03 00:00:20,384 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:00:20,385 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:00:20,385 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:00:20,385 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:00:20,386 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:20" (1/1) ... [2023-12-03 00:00:20,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:00:20,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f0bc0fb-b46b-4763-ae7c-8772d3bbb656/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:00:20,417 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f0bc0fb-b46b-4763-ae7c-8772d3bbb656/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:00:20,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f0bc0fb-b46b-4763-ae7c-8772d3bbb656/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:00:20,452 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-03 00:00:20,453 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 00:00:20,453 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 00:00:20,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:00:20,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 00:00:20,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:00:20,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:00:20,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:00:20,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:00:20,454 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 00:00:20,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-12-03 00:00:20,602 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:00:20,604 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:00:20,747 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:00:20,787 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:00:20,787 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 00:00:20,789 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:00:20 BoogieIcfgContainer [2023-12-03 00:00:20,789 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:00:20,790 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:00:20,790 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:00:20,798 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:00:20,798 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:00:20" (1/1) ... [2023-12-03 00:00:20,806 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:00:20,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:00:20,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2023-12-03 00:00:20,852 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2023-12-03 00:00:20,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 00:00:20,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:00:20,857 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:00:20,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f0bc0fb-b46b-4763-ae7c-8772d3bbb656/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:00:20,858 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f0bc0fb-b46b-4763-ae7c-8772d3bbb656/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:00:20,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f0bc0fb-b46b-4763-ae7c-8772d3bbb656/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 00:00:21,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:00:21,053 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:00:21,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:00:21,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:00:21,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:00:21,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:00:21,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f0bc0fb-b46b-4763-ae7c-8772d3bbb656/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 00:00:21,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:00:21,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-12-03 00:00:21,183 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-12-03 00:00:21,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:00:21,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:00:21,184 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:00:21,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f0bc0fb-b46b-4763-ae7c-8772d3bbb656/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:00:21,186 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f0bc0fb-b46b-4763-ae7c-8772d3bbb656/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:00:21,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f0bc0fb-b46b-4763-ae7c-8772d3bbb656/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 00:00:21,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:00:21,367 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:00:21,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:00:21,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:00:21,562 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:00:21,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:00:21,633 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f0bc0fb-b46b-4763-ae7c-8772d3bbb656/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 00:00:21,641 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-03 00:00:21,666 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet101 [2023-12-03 00:00:21,671 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 12:00:21 ImpRootNode [2023-12-03 00:00:21,671 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 00:00:21,672 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 00:00:21,672 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 00:00:21,672 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 00:00:21,673 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:00:20" (3/4) ... [2023-12-03 00:00:21,675 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 00:00:21,676 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 00:00:21,677 INFO L158 Benchmark]: Toolchain (without parser) took 2572.31ms. Allocated memory is still 107.0MB. Free memory was 80.1MB in the beginning and 75.1MB in the end (delta: 4.9MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2023-12-03 00:00:21,677 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 79.7MB. Free memory is still 56.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:00:21,678 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1180.77ms. Allocated memory is still 107.0MB. Free memory was 79.8MB in the beginning and 65.1MB in the end (delta: 14.7MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. [2023-12-03 00:00:21,678 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.50ms. Allocated memory is still 107.0MB. Free memory was 65.1MB in the beginning and 62.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:00:21,679 INFO L158 Benchmark]: Boogie Preprocessor took 35.74ms. Allocated memory is still 107.0MB. Free memory was 62.0MB in the beginning and 59.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:00:21,680 INFO L158 Benchmark]: RCFGBuilder took 404.60ms. Allocated memory is still 107.0MB. Free memory was 59.9MB in the beginning and 72.4MB in the end (delta: -12.5MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2023-12-03 00:00:21,680 INFO L158 Benchmark]: CodeCheck took 881.39ms. Allocated memory is still 107.0MB. Free memory was 71.8MB in the beginning and 75.7MB in the end (delta: -3.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-12-03 00:00:21,681 INFO L158 Benchmark]: Witness Printer took 4.04ms. Allocated memory is still 107.0MB. Free memory was 75.7MB in the beginning and 75.1MB in the end (delta: 586.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:00:21,684 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 12 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 68 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: 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 1554, overapproximation of large string literal at line 1577. 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); [L1577] 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) [L1577] 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] [L1578] CALL CWE190_Integer_Overflow__int_fgets_multiply_42_bad() [L1565] int data; [L1566] data = 0 [L1567] CALL, EXPR badSource(data) [L1551] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1552] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1554] EXPR data = atoi(inputBuffer) [L1551] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1550-L1560] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1561] return data; [L1567] RET, EXPR badSource(data) [L1567] data = badSource(data) [L1568] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 79.7MB. Free memory is still 56.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1180.77ms. Allocated memory is still 107.0MB. Free memory was 79.8MB in the beginning and 65.1MB in the end (delta: 14.7MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.50ms. Allocated memory is still 107.0MB. Free memory was 65.1MB in the beginning and 62.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.74ms. Allocated memory is still 107.0MB. Free memory was 62.0MB in the beginning and 59.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 404.60ms. Allocated memory is still 107.0MB. Free memory was 59.9MB in the beginning and 72.4MB in the end (delta: -12.5MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. * CodeCheck took 881.39ms. Allocated memory is still 107.0MB. Free memory was 71.8MB in the beginning and 75.7MB in the end (delta: -3.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Witness Printer took 4.04ms. Allocated memory is still 107.0MB. Free memory was 75.7MB in the beginning and 75.1MB in the end (delta: 586.1kB). 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 [2023-12-03 00:00:21,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f0bc0fb-b46b-4763-ae7c-8772d3bbb656/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample