./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_01_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_5828c61f-e0d6-4d62-84c6-84275e01b6ec/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5828c61f-e0d6-4d62-84c6-84275e01b6ec/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_5828c61f-e0d6-4d62-84c6-84275e01b6ec/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5828c61f-e0d6-4d62-84c6-84275e01b6ec/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_01_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5828c61f-e0d6-4d62-84c6-84275e01b6ec/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_5828c61f-e0d6-4d62-84c6-84275e01b6ec/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 f7ea5f9ac437db0a8e9af5387b6def99826fed328a32126cb85f89e22750b6ae --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:53:45,556 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:53:45,618 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5828c61f-e0d6-4d62-84c6-84275e01b6ec/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 03:53:45,623 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:53:45,624 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:53:45,645 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:53:45,645 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:53:45,646 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:53:45,647 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:53:45,647 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:53:45,648 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:53:45,648 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:53:45,649 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:53:45,649 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:53:45,650 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:53:45,650 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:53:45,651 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:53:45,651 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 03:53:45,652 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:53:45,652 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:53:45,652 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:53:45,653 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:53:45,653 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:53:45,654 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:53:45,654 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:53:45,655 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:53:45,655 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:53:45,655 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:53:45,656 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:53:45,656 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:53:45,656 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:53:45,657 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:53:45,657 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_5828c61f-e0d6-4d62-84c6-84275e01b6ec/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5828c61f-e0d6-4d62-84c6-84275e01b6ec/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7ea5f9ac437db0a8e9af5387b6def99826fed328a32126cb85f89e22750b6ae [2023-12-03 03:53:45,903 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:53:45,924 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:53:45,927 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:53:45,929 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:53:45,929 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:53:45,930 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5828c61f-e0d6-4d62-84c6-84275e01b6ec/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_01_bad.i [2023-12-03 03:53:48,757 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:53:49,050 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:53:49,051 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5828c61f-e0d6-4d62-84c6-84275e01b6ec/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_01_bad.i [2023-12-03 03:53:49,075 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5828c61f-e0d6-4d62-84c6-84275e01b6ec/bin/ukojak-verify-Qdu7aM0XO9/data/6524c4553/11168ca702b4483584bff47d7275d307/FLAG97cddf5e0 [2023-12-03 03:53:49,091 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5828c61f-e0d6-4d62-84c6-84275e01b6ec/bin/ukojak-verify-Qdu7aM0XO9/data/6524c4553/11168ca702b4483584bff47d7275d307 [2023-12-03 03:53:49,093 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:53:49,095 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:53:49,096 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:53:49,096 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:53:49,102 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:53:49,102 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:53:49" (1/1) ... [2023-12-03 03:53:49,104 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ec10208 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:53:49, skipping insertion in model container [2023-12-03 03:53:49,104 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:53:49" (1/1) ... [2023-12-03 03:53:49,163 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:53:49,994 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:53:50,004 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:53:50,124 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:53:50,256 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:53:50,256 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:53:50,257 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:53:50,257 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:53:50,265 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:53:50,266 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:53:50 WrapperNode [2023-12-03 03:53:50,266 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:53:50,267 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:53:50,267 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:53:50,267 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:53:50,273 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:53:50" (1/1) ... [2023-12-03 03:53:50,297 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:53:50" (1/1) ... [2023-12-03 03:53:50,320 INFO L138 Inliner]: procedures = 498, calls = 61, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 51 [2023-12-03 03:53:50,321 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:53:50,322 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:53:50,322 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:53:50,322 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:53:50,330 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:53:50" (1/1) ... [2023-12-03 03:53:50,330 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:53:50" (1/1) ... [2023-12-03 03:53:50,334 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:53:50" (1/1) ... [2023-12-03 03:53:50,334 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:53:50" (1/1) ... [2023-12-03 03:53:50,340 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:53:50" (1/1) ... [2023-12-03 03:53:50,342 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:53:50" (1/1) ... [2023-12-03 03:53:50,344 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:53:50" (1/1) ... [2023-12-03 03:53:50,346 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:53:50" (1/1) ... [2023-12-03 03:53:50,349 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:53:50,350 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:53:50,350 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:53:50,350 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:53:50,351 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:53:50" (1/1) ... [2023-12-03 03:53:50,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:53:50,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5828c61f-e0d6-4d62-84c6-84275e01b6ec/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:53:50,383 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5828c61f-e0d6-4d62-84c6-84275e01b6ec/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:53:50,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5828c61f-e0d6-4d62-84c6-84275e01b6ec/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:53:50,412 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 03:53:50,412 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 03:53:50,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:53:50,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 03:53:50,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:53:50,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:53:50,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:53:50,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:53:50,413 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 03:53:50,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 03:53:50,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:53:50,538 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:53:50,540 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:53:50,650 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:53:50,677 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:53:50,677 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 03:53:50,678 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:53:50 BoogieIcfgContainer [2023-12-03 03:53:50,679 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:53:50,679 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:53:50,680 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:53:50,688 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:53:50,688 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:53:50" (1/1) ... [2023-12-03 03:53:50,695 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:53:50,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:53:50,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-03 03:53:50,746 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-03 03:53:50,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:53:50,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:53:50,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:53:50,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:53:50,896 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:53:50,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:53:51,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:53:51,002 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:53:51,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:53:51,033 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 03:53:51,054 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet103 [2023-12-03 03:53:51,056 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated [2023-12-03 03:53:51,057 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated [2023-12-03 03:53:51,057 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated [2023-12-03 03:53:51,061 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:53:51 ImpRootNode [2023-12-03 03:53:51,061 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:53:51,062 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:53:51,062 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:53:51,062 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:53:51,063 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:53:50" (3/4) ... [2023-12-03 03:53:51,065 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 03:53:51,066 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:53:51,067 INFO L158 Benchmark]: Toolchain (without parser) took 1971.99ms. Allocated memory was 125.8MB in the beginning and 167.8MB in the end (delta: 41.9MB). Free memory was 77.1MB in the beginning and 125.1MB in the end (delta: -48.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:53:51,067 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 125.8MB. Free memory is still 96.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:53:51,068 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1169.88ms. Allocated memory was 125.8MB in the beginning and 167.8MB in the end (delta: 41.9MB). Free memory was 76.9MB in the beginning and 101.7MB in the end (delta: -24.8MB). Peak memory consumption was 43.5MB. Max. memory is 16.1GB. [2023-12-03 03:53:51,069 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.46ms. Allocated memory is still 167.8MB. Free memory was 101.7MB in the beginning and 99.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:53:51,069 INFO L158 Benchmark]: Boogie Preprocessor took 27.32ms. Allocated memory is still 167.8MB. Free memory was 98.7MB in the beginning and 97.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:53:51,070 INFO L158 Benchmark]: RCFGBuilder took 329.06ms. Allocated memory is still 167.8MB. Free memory was 97.5MB in the beginning and 84.0MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 03:53:51,071 INFO L158 Benchmark]: CodeCheck took 382.00ms. Allocated memory is still 167.8MB. Free memory was 83.7MB in the beginning and 125.1MB in the end (delta: -41.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:53:51,071 INFO L158 Benchmark]: Witness Printer took 4.13ms. Allocated memory is still 167.8MB. Free memory was 125.1MB in the beginning and 125.1MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:53:51,075 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1562. 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); [L1562] 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={2:0}] [L1414] COND TRUE line != ((void *)0) [L1562] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=13, argc=13, argv={14:12}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1563] CALL CWE191_Integer_Underflow__int_fscanf_multiply_01_bad() [L1550] int data; [L1551] data = 0 [L1553] EXPR \read(data) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={32287:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] COND TRUE data < 0 [L1555] EXPR \read(data) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={32287:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={32287:0}, 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 0.24ms. Allocated memory is still 125.8MB. Free memory is still 96.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1169.88ms. Allocated memory was 125.8MB in the beginning and 167.8MB in the end (delta: 41.9MB). Free memory was 76.9MB in the beginning and 101.7MB in the end (delta: -24.8MB). Peak memory consumption was 43.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.46ms. Allocated memory is still 167.8MB. Free memory was 101.7MB in the beginning and 99.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.32ms. Allocated memory is still 167.8MB. Free memory was 98.7MB in the beginning and 97.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 329.06ms. Allocated memory is still 167.8MB. Free memory was 97.5MB in the beginning and 84.0MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 382.00ms. Allocated memory is still 167.8MB. Free memory was 83.7MB in the beginning and 125.1MB in the end (delta: -41.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.13ms. Allocated memory is still 167.8MB. Free memory was 125.1MB in the beginning and 125.1MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet103 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem101 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 03:53:51,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5828c61f-e0d6-4d62-84c6-84275e01b6ec/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_5828c61f-e0d6-4d62-84c6-84275e01b6ec/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5828c61f-e0d6-4d62-84c6-84275e01b6ec/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_5828c61f-e0d6-4d62-84c6-84275e01b6ec/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5828c61f-e0d6-4d62-84c6-84275e01b6ec/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_01_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5828c61f-e0d6-4d62-84c6-84275e01b6ec/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_5828c61f-e0d6-4d62-84c6-84275e01b6ec/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 f7ea5f9ac437db0a8e9af5387b6def99826fed328a32126cb85f89e22750b6ae --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:53:53,076 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:53:53,158 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5828c61f-e0d6-4d62-84c6-84275e01b6ec/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 03:53:53,191 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:53:53,192 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:53:53,192 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:53:53,193 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:53:53,194 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:53:53,195 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:53:53,195 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:53:53,196 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:53:53,196 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:53:53,197 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:53:53,197 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:53:53,198 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 03:53:53,199 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 03:53:53,199 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 03:53:53,200 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 03:53:53,200 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:53:53,201 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:53:53,201 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:53:53,202 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:53:53,203 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:53:53,203 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:53:53,203 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:53:53,204 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 03:53:53,204 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:53:53,205 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:53:53,205 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:53:53,206 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:53:53,206 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:53:53,207 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 03:53:53,207 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:53:53,207 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:53:53,207 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 03:53:53,208 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 03:53:53,208 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_5828c61f-e0d6-4d62-84c6-84275e01b6ec/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5828c61f-e0d6-4d62-84c6-84275e01b6ec/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7ea5f9ac437db0a8e9af5387b6def99826fed328a32126cb85f89e22750b6ae [2023-12-03 03:53:53,501 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:53:53,522 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:53:53,525 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:53:53,526 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:53:53,527 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:53:53,528 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5828c61f-e0d6-4d62-84c6-84275e01b6ec/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_01_bad.i [2023-12-03 03:53:56,353 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:53:56,704 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:53:56,705 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5828c61f-e0d6-4d62-84c6-84275e01b6ec/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_01_bad.i [2023-12-03 03:53:56,729 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5828c61f-e0d6-4d62-84c6-84275e01b6ec/bin/ukojak-verify-Qdu7aM0XO9/data/f0e2cd56c/fdb0f0fa7a984ea999c1310cd004866e/FLAG801b43669 [2023-12-03 03:53:56,743 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5828c61f-e0d6-4d62-84c6-84275e01b6ec/bin/ukojak-verify-Qdu7aM0XO9/data/f0e2cd56c/fdb0f0fa7a984ea999c1310cd004866e [2023-12-03 03:53:56,745 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:53:56,746 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:53:56,747 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:53:56,748 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:53:56,752 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:53:56,752 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:53:56" (1/1) ... [2023-12-03 03:53:56,753 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d11218c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:53:56, skipping insertion in model container [2023-12-03 03:53:56,753 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:53:56" (1/1) ... [2023-12-03 03:53:56,808 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:53:57,565 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:53:57,582 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:53:57,667 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:53:57,821 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:53:57,821 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:53:57,822 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:53:57,822 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:53:57,830 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:53:57,831 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:53:57 WrapperNode [2023-12-03 03:53:57,831 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:53:57,832 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:53:57,832 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:53:57,832 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:53:57,840 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:53:57" (1/1) ... [2023-12-03 03:53:57,871 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:53:57" (1/1) ... [2023-12-03 03:53:57,897 INFO L138 Inliner]: procedures = 503, calls = 61, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 50 [2023-12-03 03:53:57,898 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:53:57,899 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:53:57,899 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:53:57,899 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:53:57,910 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:53:57" (1/1) ... [2023-12-03 03:53:57,910 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:53:57" (1/1) ... [2023-12-03 03:53:57,915 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:53:57" (1/1) ... [2023-12-03 03:53:57,915 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:53:57" (1/1) ... [2023-12-03 03:53:57,926 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:53:57" (1/1) ... [2023-12-03 03:53:57,928 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:53:57" (1/1) ... [2023-12-03 03:53:57,932 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:53:57" (1/1) ... [2023-12-03 03:53:57,934 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:53:57" (1/1) ... [2023-12-03 03:53:57,939 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:53:57,940 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:53:57,940 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:53:57,941 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:53:57,941 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:53:57" (1/1) ... [2023-12-03 03:53:57,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:53:57,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5828c61f-e0d6-4d62-84c6-84275e01b6ec/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:53:57,990 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5828c61f-e0d6-4d62-84c6-84275e01b6ec/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:53:57,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5828c61f-e0d6-4d62-84c6-84275e01b6ec/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:53:58,027 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 03:53:58,028 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 03:53:58,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:53:58,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 03:53:58,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:53:58,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:53:58,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:53:58,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 03:53:58,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:53:58,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 03:53:58,029 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 03:53:58,191 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:53:58,193 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:53:58,343 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:53:58,385 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:53:58,386 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 03:53:58,388 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:53:58 BoogieIcfgContainer [2023-12-03 03:53:58,388 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:53:58,389 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:53:58,389 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:53:58,397 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:53:58,397 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:53:58" (1/1) ... [2023-12-03 03:53:58,406 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:53:58,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:53:58,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-03 03:53:58,475 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-03 03:53:58,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:53:58,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:53:58,481 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:53:58,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5828c61f-e0d6-4d62-84c6-84275e01b6ec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:53:58,482 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5828c61f-e0d6-4d62-84c6-84275e01b6ec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:53:58,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5828c61f-e0d6-4d62-84c6-84275e01b6ec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 03:53:58,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:53:58,660 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:53:58,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:53:58,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:53:58,827 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:53:58,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:53:58,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5828c61f-e0d6-4d62-84c6-84275e01b6ec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 03:53:58,896 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 03:53:58,916 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet101 [2023-12-03 03:53:58,922 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated [2023-12-03 03:53:58,923 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem99 could not be translated [2023-12-03 03:53:58,924 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem99 could not be translated [2023-12-03 03:53:58,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:53:58 ImpRootNode [2023-12-03 03:53:58,928 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:53:58,929 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:53:58,929 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:53:58,930 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:53:58,930 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:53:58" (3/4) ... [2023-12-03 03:53:58,932 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 03:53:58,933 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:53:58,934 INFO L158 Benchmark]: Toolchain (without parser) took 2188.09ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 54.5MB in the beginning and 53.0MB in the end (delta: 1.5MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2023-12-03 03:53:58,935 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 58.7MB. Free memory was 34.8MB in the beginning and 34.7MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:53:58,936 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1083.94ms. Allocated memory is still 81.8MB. Free memory was 54.3MB in the beginning and 53.2MB in the end (delta: 1.1MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2023-12-03 03:53:58,936 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.97ms. Allocated memory is still 81.8MB. Free memory was 53.2MB in the beginning and 50.2MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 03:53:58,937 INFO L158 Benchmark]: Boogie Preprocessor took 40.83ms. Allocated memory is still 81.8MB. Free memory was 50.2MB in the beginning and 48.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:53:58,938 INFO L158 Benchmark]: RCFGBuilder took 448.01ms. Allocated memory is still 81.8MB. Free memory was 48.1MB in the beginning and 31.8MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 03:53:58,938 INFO L158 Benchmark]: CodeCheck took 539.65ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 31.8MB in the beginning and 53.8MB in the end (delta: -22.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:53:58,939 INFO L158 Benchmark]: Witness Printer took 4.47ms. Allocated memory is still 98.6MB. Free memory was 53.8MB in the beginning and 53.0MB in the end (delta: 751.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:53:58,943 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1562. 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); [L1562] 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={2:0}] [L1414] COND TRUE line != ((void *)0) [L1562] 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] [L1563] CALL CWE191_Integer_Underflow__int_fscanf_multiply_01_bad() [L1550] int data; [L1551] data = 0 [L1553] EXPR \read(data) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] COND TRUE data < 0 [L1555] EXPR \read(data) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={5:0}, 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 0.22ms. Allocated memory is still 58.7MB. Free memory was 34.8MB in the beginning and 34.7MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1083.94ms. Allocated memory is still 81.8MB. Free memory was 54.3MB in the beginning and 53.2MB in the end (delta: 1.1MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.97ms. Allocated memory is still 81.8MB. Free memory was 53.2MB in the beginning and 50.2MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.83ms. Allocated memory is still 81.8MB. Free memory was 50.2MB in the beginning and 48.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 448.01ms. Allocated memory is still 81.8MB. Free memory was 48.1MB in the beginning and 31.8MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 539.65ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 31.8MB in the beginning and 53.8MB in the end (delta: -22.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.47ms. Allocated memory is still 98.6MB. Free memory was 53.8MB in the beginning and 53.0MB in the end (delta: 751.0kB). 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~nondet101 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem99 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem99 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 03:53:58,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5828c61f-e0d6-4d62-84c6-84275e01b6ec/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