./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_08_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46d38c-9fc5-4a05-83e8-c06398307121/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46d38c-9fc5-4a05-83e8-c06398307121/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_5a46d38c-9fc5-4a05-83e8-c06398307121/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46d38c-9fc5-4a05-83e8-c06398307121/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_08_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46d38c-9fc5-4a05-83e8-c06398307121/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_5a46d38c-9fc5-4a05-83e8-c06398307121/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 c7bcea44d2d5c873e0b8e8c55b7326f378336441a2a8a0bedf0637d4e55558db --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:45:03,481 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:45:03,546 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46d38c-9fc5-4a05-83e8-c06398307121/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 04:45:03,551 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:45:03,552 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:45:03,576 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:45:03,577 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:45:03,577 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:45:03,578 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:45:03,579 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:45:03,579 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:45:03,580 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:45:03,581 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:45:03,581 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:45:03,582 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:45:03,582 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:45:03,583 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:45:03,583 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 04:45:03,584 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 04:45:03,584 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:45:03,585 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:45:03,586 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:45:03,586 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:45:03,587 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:45:03,587 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:45:03,588 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:45:03,588 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:45:03,589 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:45:03,589 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:45:03,590 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:45:03,590 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:45:03,590 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:45:03,591 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_5a46d38c-9fc5-4a05-83e8-c06398307121/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46d38c-9fc5-4a05-83e8-c06398307121/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7bcea44d2d5c873e0b8e8c55b7326f378336441a2a8a0bedf0637d4e55558db [2023-12-03 04:45:03,793 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:45:03,810 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:45:03,812 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:45:03,814 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:45:03,814 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:45:03,815 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46d38c-9fc5-4a05-83e8-c06398307121/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_08_bad.i [2023-12-03 04:45:06,542 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:45:06,858 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:45:06,859 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46d38c-9fc5-4a05-83e8-c06398307121/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_08_bad.i [2023-12-03 04:45:06,882 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46d38c-9fc5-4a05-83e8-c06398307121/bin/ukojak-verify-Qdu7aM0XO9/data/8369c41fe/ab798d0bbcf74d0483403b1b29c110b2/FLAGb0ab456b8 [2023-12-03 04:45:06,897 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46d38c-9fc5-4a05-83e8-c06398307121/bin/ukojak-verify-Qdu7aM0XO9/data/8369c41fe/ab798d0bbcf74d0483403b1b29c110b2 [2023-12-03 04:45:06,900 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:45:06,901 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:45:06,902 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:45:06,903 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:45:06,907 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:45:06,908 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:45:06" (1/1) ... [2023-12-03 04:45:06,909 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@140f0cd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:45:06, skipping insertion in model container [2023-12-03 04:45:06,909 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:45:06" (1/1) ... [2023-12-03 04:45:06,975 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:45:07,714 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:45:07,726 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:45:07,808 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:45:07,972 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:45:07,972 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:45:07,972 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:45:07,973 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:45:07,973 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:45:07,981 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:45:07,982 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:45:07 WrapperNode [2023-12-03 04:45:07,982 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:45:07,983 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:45:07,983 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:45:07,983 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:45:07,990 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:45:07" (1/1) ... [2023-12-03 04:45:08,015 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:45:07" (1/1) ... [2023-12-03 04:45:08,042 INFO L138 Inliner]: procedures = 501, calls = 65, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 68 [2023-12-03 04:45:08,042 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:45:08,043 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:45:08,043 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:45:08,043 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:45:08,051 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:45:07" (1/1) ... [2023-12-03 04:45:08,051 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:45:07" (1/1) ... [2023-12-03 04:45:08,054 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:45:07" (1/1) ... [2023-12-03 04:45:08,055 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:45:07" (1/1) ... [2023-12-03 04:45:08,062 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:45:07" (1/1) ... [2023-12-03 04:45:08,064 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:45:07" (1/1) ... [2023-12-03 04:45:08,067 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:45:07" (1/1) ... [2023-12-03 04:45:08,068 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:45:07" (1/1) ... [2023-12-03 04:45:08,072 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:45:08,073 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:45:08,073 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:45:08,073 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:45:08,074 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:45:07" (1/1) ... [2023-12-03 04:45:08,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:45:08,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46d38c-9fc5-4a05-83e8-c06398307121/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:45:08,106 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46d38c-9fc5-4a05-83e8-c06398307121/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:45:08,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46d38c-9fc5-4a05-83e8-c06398307121/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:45:08,138 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-03 04:45:08,138 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 04:45:08,139 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 04:45:08,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 04:45:08,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-03 04:45:08,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:45:08,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:45:08,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:45:08,139 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2023-12-03 04:45:08,140 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2023-12-03 04:45:08,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 04:45:08,140 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 04:45:08,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:45:08,289 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:45:08,291 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:45:08,408 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:45:08,445 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:45:08,445 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 04:45:08,447 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:45:08 BoogieIcfgContainer [2023-12-03 04:45:08,447 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:45:08,448 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:45:08,448 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:45:08,457 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:45:08,458 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:45:08" (1/1) ... [2023-12-03 04:45:08,467 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:45:08,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:08,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 26 states and 32 transitions. [2023-12-03 04:45:08,523 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2023-12-03 04:45:08,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 04:45:08,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:08,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:45:08,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:08,828 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:45:08,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:08,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 31 transitions. [2023-12-03 04:45:08,882 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2023-12-03 04:45:08,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 04:45:08,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:08,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:45:08,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:08,976 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:45:09,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:09,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2023-12-03 04:45:09,002 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2023-12-03 04:45:09,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 04:45:09,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:09,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:45:09,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:45:09,033 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:45:09,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:45:09,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:45:09,117 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:45:09,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:45:09,153 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2023-12-03 04:45:09,181 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet104 [2023-12-03 04:45:09,185 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret98 could not be translated [2023-12-03 04:45:09,186 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret102 could not be translated [2023-12-03 04:45:09,191 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 04:45:09 ImpRootNode [2023-12-03 04:45:09,191 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 04:45:09,192 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 04:45:09,192 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 04:45:09,192 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 04:45:09,192 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:45:08" (3/4) ... [2023-12-03 04:45:09,194 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 04:45:09,195 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 04:45:09,196 INFO L158 Benchmark]: Toolchain (without parser) took 2295.02ms. Allocated memory was 136.3MB in the beginning and 169.9MB in the end (delta: 33.6MB). Free memory was 97.5MB in the beginning and 105.5MB in the end (delta: -8.0MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2023-12-03 04:45:09,197 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 136.3MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:45:09,197 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1079.77ms. Allocated memory was 136.3MB in the beginning and 169.9MB in the end (delta: 33.6MB). Free memory was 97.2MB in the beginning and 110.6MB in the end (delta: -13.4MB). Peak memory consumption was 54.0MB. Max. memory is 16.1GB. [2023-12-03 04:45:09,198 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.74ms. Allocated memory is still 169.9MB. Free memory was 110.6MB in the beginning and 107.7MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 04:45:09,199 INFO L158 Benchmark]: Boogie Preprocessor took 28.57ms. Allocated memory is still 169.9MB. Free memory was 107.7MB in the beginning and 105.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:45:09,199 INFO L158 Benchmark]: RCFGBuilder took 374.28ms. Allocated memory is still 169.9MB. Free memory was 105.6MB in the beginning and 90.1MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 04:45:09,200 INFO L158 Benchmark]: CodeCheck took 743.22ms. Allocated memory is still 169.9MB. Free memory was 90.1MB in the beginning and 105.5MB in the end (delta: -15.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:45:09,200 INFO L158 Benchmark]: Witness Printer took 3.89ms. Allocated memory is still 169.9MB. Free memory is still 105.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:45:09,203 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 3 procedures, 26 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 85 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 47 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 30 IncrementalHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 47 mSDtfsCounter, 30 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 234 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 34 ConstructedInterpolants, 0 QuantifiedInterpolants, 42 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 3/4 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: 1578]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1566, overapproximation of large string literal at line 1586. 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); [L1586] 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) [L1586] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=13, argc=13, argv={18:28}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1587] CALL CWE190_Integer_Overflow__int_fgets_multiply_08_bad() [L1558] int data; [L1559] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1560] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] COND TRUE staticReturnsTrue() [L1563] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1564] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1566] EXPR data = atoi(inputBuffer) [L1563] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1562-L1572] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1574] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1574] RET staticReturnsTrue() 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] [L1574] COND TRUE staticReturnsTrue() [L1576] 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] [L1578] 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 0.17ms. Allocated memory is still 136.3MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1079.77ms. Allocated memory was 136.3MB in the beginning and 169.9MB in the end (delta: 33.6MB). Free memory was 97.2MB in the beginning and 110.6MB in the end (delta: -13.4MB). Peak memory consumption was 54.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.74ms. Allocated memory is still 169.9MB. Free memory was 110.6MB in the beginning and 107.7MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.57ms. Allocated memory is still 169.9MB. Free memory was 107.7MB in the beginning and 105.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 374.28ms. Allocated memory is still 169.9MB. Free memory was 105.6MB in the beginning and 90.1MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 743.22ms. Allocated memory is still 169.9MB. Free memory was 90.1MB in the beginning and 105.5MB in the end (delta: -15.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.89ms. Allocated memory is still 169.9MB. Free memory is still 105.5MB. 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~nondet104 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret102 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 04:45:09,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46d38c-9fc5-4a05-83e8-c06398307121/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46d38c-9fc5-4a05-83e8-c06398307121/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46d38c-9fc5-4a05-83e8-c06398307121/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_5a46d38c-9fc5-4a05-83e8-c06398307121/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46d38c-9fc5-4a05-83e8-c06398307121/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_08_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46d38c-9fc5-4a05-83e8-c06398307121/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_5a46d38c-9fc5-4a05-83e8-c06398307121/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 c7bcea44d2d5c873e0b8e8c55b7326f378336441a2a8a0bedf0637d4e55558db --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:45:11,132 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:45:11,211 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46d38c-9fc5-4a05-83e8-c06398307121/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 04:45:11,243 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:45:11,245 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:45:11,245 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:45:11,246 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:45:11,246 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:45:11,247 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:45:11,248 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:45:11,248 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:45:11,249 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:45:11,249 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:45:11,250 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:45:11,250 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 04:45:11,251 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 04:45:11,251 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 04:45:11,252 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 04:45:11,252 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 04:45:11,253 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:45:11,253 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:45:11,254 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:45:11,255 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:45:11,255 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:45:11,256 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:11,256 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 04:45:11,257 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:45:11,257 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:45:11,257 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:45:11,258 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:45:11,258 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:45:11,259 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 04:45:11,259 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:11,259 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:45:11,259 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 04:45:11,260 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 04:45:11,260 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_5a46d38c-9fc5-4a05-83e8-c06398307121/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46d38c-9fc5-4a05-83e8-c06398307121/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7bcea44d2d5c873e0b8e8c55b7326f378336441a2a8a0bedf0637d4e55558db [2023-12-03 04:45:11,544 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:45:11,565 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:45:11,567 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:45:11,568 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:45:11,568 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:45:11,569 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46d38c-9fc5-4a05-83e8-c06398307121/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_08_bad.i [2023-12-03 04:45:14,326 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:45:14,660 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:45:14,660 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46d38c-9fc5-4a05-83e8-c06398307121/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_08_bad.i [2023-12-03 04:45:14,683 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46d38c-9fc5-4a05-83e8-c06398307121/bin/ukojak-verify-Qdu7aM0XO9/data/13eaf280c/180aca96fa6c47c499dc10afd4bb6849/FLAG669002ef5 [2023-12-03 04:45:14,699 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46d38c-9fc5-4a05-83e8-c06398307121/bin/ukojak-verify-Qdu7aM0XO9/data/13eaf280c/180aca96fa6c47c499dc10afd4bb6849 [2023-12-03 04:45:14,701 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:45:14,703 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:45:14,704 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:45:14,704 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:45:14,709 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:45:14,710 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:45:14" (1/1) ... [2023-12-03 04:45:14,711 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@504ad74f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:45:14, skipping insertion in model container [2023-12-03 04:45:14,711 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:45:14" (1/1) ... [2023-12-03 04:45:14,773 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:45:15,631 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:45:15,646 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:45:15,727 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:45:15,856 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:45:15,857 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:45:15,857 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:45:15,857 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:45:15,857 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:45:15,864 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:45:15,864 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:45:15 WrapperNode [2023-12-03 04:45:15,865 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:45:15,866 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:45:15,866 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:45:15,866 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:45:15,873 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:45:15" (1/1) ... [2023-12-03 04:45:15,901 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:45:15" (1/1) ... [2023-12-03 04:45:15,923 INFO L138 Inliner]: procedures = 506, calls = 65, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2023-12-03 04:45:15,924 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:45:15,924 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:45:15,925 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:45:15,925 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:45:15,934 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:45:15" (1/1) ... [2023-12-03 04:45:15,935 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:45:15" (1/1) ... [2023-12-03 04:45:15,939 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:45:15" (1/1) ... [2023-12-03 04:45:15,940 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:45:15" (1/1) ... [2023-12-03 04:45:15,949 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:45:15" (1/1) ... [2023-12-03 04:45:15,951 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:45:15" (1/1) ... [2023-12-03 04:45:15,955 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:45:15" (1/1) ... [2023-12-03 04:45:15,957 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:45:15" (1/1) ... [2023-12-03 04:45:15,962 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:45:15,963 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:45:15,963 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:45:15,963 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:45:15,964 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:45:15" (1/1) ... [2023-12-03 04:45:15,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:45:15,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46d38c-9fc5-4a05-83e8-c06398307121/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:45:15,998 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46d38c-9fc5-4a05-83e8-c06398307121/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:45:16,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46d38c-9fc5-4a05-83e8-c06398307121/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:45:16,035 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-03 04:45:16,036 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 04:45:16,036 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 04:45:16,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 04:45:16,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 04:45:16,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:45:16,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:45:16,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:45:16,038 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2023-12-03 04:45:16,038 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2023-12-03 04:45:16,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 04:45:16,039 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 04:45:16,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-12-03 04:45:16,201 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:45:16,204 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:45:16,342 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:45:16,381 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:45:16,381 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 04:45:16,383 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:45:16 BoogieIcfgContainer [2023-12-03 04:45:16,383 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:45:16,384 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:45:16,384 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:45:16,394 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:45:16,394 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:45:16" (1/1) ... [2023-12-03 04:45:16,411 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:45:16,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:16,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 24 states and 30 transitions. [2023-12-03 04:45:16,467 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2023-12-03 04:45:16,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 04:45:16,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:16,473 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:16,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46d38c-9fc5-4a05-83e8-c06398307121/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:16,496 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46d38c-9fc5-4a05-83e8-c06398307121/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:16,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46d38c-9fc5-4a05-83e8-c06398307121/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 04:45:16,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:16,623 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:16,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:16,654 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 04:45:16,658 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:16,694 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:45:16,702 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46d38c-9fc5-4a05-83e8-c06398307121/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 04:45:16,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:16,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2023-12-03 04:45:16,742 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2023-12-03 04:45:16,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 04:45:16,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:16,743 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:16,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46d38c-9fc5-4a05-83e8-c06398307121/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:16,745 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46d38c-9fc5-4a05-83e8-c06398307121/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:16,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46d38c-9fc5-4a05-83e8-c06398307121/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 04:45:16,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:16,849 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:16,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:16,880 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:45:16,882 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:16,924 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:45:16,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46d38c-9fc5-4a05-83e8-c06398307121/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 04:45:16,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:16,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2023-12-03 04:45:16,980 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2023-12-03 04:45:16,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 04:45:16,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:16,981 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:16,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46d38c-9fc5-4a05-83e8-c06398307121/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:16,983 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46d38c-9fc5-4a05-83e8-c06398307121/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:16,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46d38c-9fc5-4a05-83e8-c06398307121/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 04:45:17,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:45:17,164 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:45:17,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:45:17,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:45:17,375 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:45:17,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:45:17,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46d38c-9fc5-4a05-83e8-c06398307121/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 04:45:17,455 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2023-12-03 04:45:17,483 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet102 [2023-12-03 04:45:17,487 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret96 could not be translated [2023-12-03 04:45:17,489 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret100 could not be translated [2023-12-03 04:45:17,494 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 04:45:17 ImpRootNode [2023-12-03 04:45:17,494 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 04:45:17,495 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 04:45:17,495 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 04:45:17,495 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 04:45:17,496 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:45:16" (3/4) ... [2023-12-03 04:45:17,498 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 04:45:17,499 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 04:45:17,500 INFO L158 Benchmark]: Toolchain (without parser) took 2797.17ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 69.8MB in the beginning and 84.1MB in the end (delta: -14.3MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2023-12-03 04:45:17,501 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 65.0MB. Free memory was 41.3MB in the beginning and 41.2MB in the end (delta: 72.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:45:17,502 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1160.74ms. Allocated memory is still 96.5MB. Free memory was 69.5MB in the beginning and 60.8MB in the end (delta: 8.7MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. [2023-12-03 04:45:17,502 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.38ms. Allocated memory is still 96.5MB. Free memory was 60.8MB in the beginning and 57.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 04:45:17,503 INFO L158 Benchmark]: Boogie Preprocessor took 37.92ms. Allocated memory is still 96.5MB. Free memory was 57.6MB in the beginning and 55.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:45:17,504 INFO L158 Benchmark]: RCFGBuilder took 420.21ms. Allocated memory is still 96.5MB. Free memory was 55.5MB in the beginning and 37.7MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 04:45:17,504 INFO L158 Benchmark]: CodeCheck took 1110.53ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 37.7MB in the beginning and 84.8MB in the end (delta: -47.1MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2023-12-03 04:45:17,505 INFO L158 Benchmark]: Witness Printer took 4.34ms. Allocated memory is still 117.4MB. Free memory was 84.8MB in the beginning and 84.1MB in the end (delta: 729.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:45:17,509 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 3 procedures, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 75 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 41 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 21 IncrementalHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 41 mSDtfsCounter, 21 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 222 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 35 SizeOfPredicates, 0 NumberOfNonLiveVariables, 111 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 4/4 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: 1578]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1566, overapproximation of large string literal at line 1586. 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); [L1586] 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) [L1586] 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] [L1587] CALL CWE190_Integer_Overflow__int_fgets_multiply_08_bad() [L1558] int data; [L1559] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1560] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] COND TRUE staticReturnsTrue() [L1563] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1564] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1566] EXPR data = atoi(inputBuffer) [L1563] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1562-L1572] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1574] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1574] RET staticReturnsTrue() 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] [L1574] COND TRUE staticReturnsTrue() [L1576] 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] [L1578] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 65.0MB. Free memory was 41.3MB in the beginning and 41.2MB in the end (delta: 72.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1160.74ms. Allocated memory is still 96.5MB. Free memory was 69.5MB in the beginning and 60.8MB in the end (delta: 8.7MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.38ms. Allocated memory is still 96.5MB. Free memory was 60.8MB in the beginning and 57.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.92ms. Allocated memory is still 96.5MB. Free memory was 57.6MB in the beginning and 55.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 420.21ms. Allocated memory is still 96.5MB. Free memory was 55.5MB in the beginning and 37.7MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1110.53ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 37.7MB in the beginning and 84.8MB in the end (delta: -47.1MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. * Witness Printer took 4.34ms. Allocated memory is still 117.4MB. Free memory was 84.8MB in the beginning and 84.1MB in the end (delta: 729.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet102 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret96 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret100 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 04:45:17,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46d38c-9fc5-4a05-83e8-c06398307121/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