./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_09_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_8d6eac29-2a2c-4d4f-82d1-42b9c3ba0aa4/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6eac29-2a2c-4d4f-82d1-42b9c3ba0aa4/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_8d6eac29-2a2c-4d4f-82d1-42b9c3ba0aa4/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6eac29-2a2c-4d4f-82d1-42b9c3ba0aa4/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_09_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6eac29-2a2c-4d4f-82d1-42b9c3ba0aa4/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_8d6eac29-2a2c-4d4f-82d1-42b9c3ba0aa4/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 3c5b13f3462c1dd603533bd6acd01b05b8e67e197df2d54bbd0b4c9776b5d765 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:29:25,969 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:29:26,033 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6eac29-2a2c-4d4f-82d1-42b9c3ba0aa4/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 23:29:26,038 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:29:26,039 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:29:26,061 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:29:26,061 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:29:26,062 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:29:26,063 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:29:26,063 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:29:26,064 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:29:26,064 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:29:26,065 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:29:26,065 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:29:26,066 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:29:26,066 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:29:26,067 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:29:26,067 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 23:29:26,068 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:29:26,068 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:29:26,069 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:29:26,071 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:29:26,072 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:29:26,072 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:29:26,072 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:29:26,073 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:29:26,073 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:29:26,073 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:29:26,074 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:29:26,074 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:29:26,075 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:29:26,075 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:29:26,075 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_8d6eac29-2a2c-4d4f-82d1-42b9c3ba0aa4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6eac29-2a2c-4d4f-82d1-42b9c3ba0aa4/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c5b13f3462c1dd603533bd6acd01b05b8e67e197df2d54bbd0b4c9776b5d765 [2023-12-02 23:29:26,299 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:29:26,319 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:29:26,322 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:29:26,323 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:29:26,324 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:29:26,325 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6eac29-2a2c-4d4f-82d1-42b9c3ba0aa4/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_09_bad.i [2023-12-02 23:29:29,045 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:29:29,339 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:29:29,340 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6eac29-2a2c-4d4f-82d1-42b9c3ba0aa4/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_09_bad.i [2023-12-02 23:29:29,365 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6eac29-2a2c-4d4f-82d1-42b9c3ba0aa4/bin/ukojak-verify-Qdu7aM0XO9/data/ec28ed4fc/d92a205056f14e418fd9869b5df82a9c/FLAG1818f0fb7 [2023-12-02 23:29:29,379 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6eac29-2a2c-4d4f-82d1-42b9c3ba0aa4/bin/ukojak-verify-Qdu7aM0XO9/data/ec28ed4fc/d92a205056f14e418fd9869b5df82a9c [2023-12-02 23:29:29,382 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:29:29,383 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:29:29,384 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:29:29,385 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:29:29,389 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:29:29,390 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:29:29" (1/1) ... [2023-12-02 23:29:29,391 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72867c0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:29, skipping insertion in model container [2023-12-02 23:29:29,391 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:29:29" (1/1) ... [2023-12-02 23:29:29,452 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:29:30,160 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:29:30,170 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:29:30,249 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:29:30,354 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:29:30,354 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:29:30,354 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:29:30,355 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:29:30,360 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:29:30,361 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:30 WrapperNode [2023-12-02 23:29:30,361 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:29:30,362 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:29:30,362 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:29:30,362 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:29:30,368 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:30" (1/1) ... [2023-12-02 23:29:30,393 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:30" (1/1) ... [2023-12-02 23:29:30,420 INFO L138 Inliner]: procedures = 498, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 94 [2023-12-02 23:29:30,420 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:29:30,421 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:29:30,421 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:29:30,421 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:29:30,430 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:30" (1/1) ... [2023-12-02 23:29:30,431 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:30" (1/1) ... [2023-12-02 23:29:30,434 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:30" (1/1) ... [2023-12-02 23:29:30,435 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:30" (1/1) ... [2023-12-02 23:29:30,440 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:30" (1/1) ... [2023-12-02 23:29:30,443 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:30" (1/1) ... [2023-12-02 23:29:30,445 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:30" (1/1) ... [2023-12-02 23:29:30,446 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:30" (1/1) ... [2023-12-02 23:29:30,450 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:29:30,451 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:29:30,451 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:29:30,451 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:29:30,452 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:30" (1/1) ... [2023-12-02 23:29:30,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:29:30,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6eac29-2a2c-4d4f-82d1-42b9c3ba0aa4/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:29:30,487 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6eac29-2a2c-4d4f-82d1-42b9c3ba0aa4/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:29:30,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6eac29-2a2c-4d4f-82d1-42b9c3ba0aa4/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:29:30,525 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 23:29:30,526 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 23:29:30,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:29:30,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:29:30,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:29:30,526 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 23:29:30,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:29:30,667 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:29:30,669 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:29:30,849 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:29:31,050 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:29:31,050 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 23:29:31,052 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:29:31 BoogieIcfgContainer [2023-12-02 23:29:31,052 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:29:31,053 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:29:31,053 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:29:31,060 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:29:31,060 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:29:31" (1/1) ... [2023-12-02 23:29:31,067 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:29:31,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:29:31,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-02 23:29:31,111 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-02 23:29:31,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 23:29:31,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:29:31,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:29:31,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:29:31,356 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:29:31,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:29:31,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:29:31,522 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:29:31,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:29:31,570 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 23:29:31,591 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet112 [2023-12-02 23:29:31,594 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite109 could not be translated [2023-12-02 23:29:31,595 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post110 could not be translated [2023-12-02 23:29:31,599 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:29:31 ImpRootNode [2023-12-02 23:29:31,599 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:29:31,600 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:29:31,600 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:29:31,600 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:29:31,600 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:29:31" (3/4) ... [2023-12-02 23:29:31,602 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 23:29:31,604 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:29:31,604 INFO L158 Benchmark]: Toolchain (without parser) took 2221.12ms. Allocated memory is still 163.6MB. Free memory was 124.5MB in the beginning and 70.7MB in the end (delta: 53.9MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2023-12-02 23:29:31,605 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 107.0MB. Free memory is still 55.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:29:31,605 INFO L158 Benchmark]: CACSL2BoogieTranslator took 976.89ms. Allocated memory is still 163.6MB. Free memory was 124.1MB in the beginning and 99.4MB in the end (delta: 24.7MB). Peak memory consumption was 42.8MB. Max. memory is 16.1GB. [2023-12-02 23:29:31,606 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.43ms. Allocated memory is still 163.6MB. Free memory was 99.4MB in the beginning and 96.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:29:31,607 INFO L158 Benchmark]: Boogie Preprocessor took 28.94ms. Allocated memory is still 163.6MB. Free memory was 96.5MB in the beginning and 94.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:29:31,607 INFO L158 Benchmark]: RCFGBuilder took 601.40ms. Allocated memory is still 163.6MB. Free memory was 94.4MB in the beginning and 114.7MB in the end (delta: -20.3MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. [2023-12-02 23:29:31,608 INFO L158 Benchmark]: CodeCheck took 546.56ms. Allocated memory is still 163.6MB. Free memory was 114.7MB in the beginning and 71.7MB in the end (delta: 43.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-12-02 23:29:31,609 INFO L158 Benchmark]: Witness Printer took 3.91ms. Allocated memory is still 163.6MB. Free memory was 71.7MB in the beginning and 70.7MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:29:31,612 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: 1559]: 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 1568, overapproximation of bitwiseOr at line 1554. 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); [L1568] 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) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=12, argc=12, argv={14:13}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_rand_postdec_09_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(GLOBAL_CONST_TRUE) [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] COND TRUE \read(GLOBAL_CONST_TRUE) [L1559] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, 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 107.0MB. Free memory is still 55.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 976.89ms. Allocated memory is still 163.6MB. Free memory was 124.1MB in the beginning and 99.4MB in the end (delta: 24.7MB). Peak memory consumption was 42.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.43ms. Allocated memory is still 163.6MB. Free memory was 99.4MB in the beginning and 96.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.94ms. Allocated memory is still 163.6MB. Free memory was 96.5MB in the beginning and 94.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 601.40ms. Allocated memory is still 163.6MB. Free memory was 94.4MB in the beginning and 114.7MB in the end (delta: -20.3MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. * CodeCheck took 546.56ms. Allocated memory is still 163.6MB. Free memory was 114.7MB in the beginning and 71.7MB in the end (delta: 43.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 3.91ms. Allocated memory is still 163.6MB. Free memory was 71.7MB in the beginning and 70.7MB in the end (delta: 1.0MB). 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~nondet112 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite109 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post110 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 23:29:31,630 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6eac29-2a2c-4d4f-82d1-42b9c3ba0aa4/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_8d6eac29-2a2c-4d4f-82d1-42b9c3ba0aa4/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6eac29-2a2c-4d4f-82d1-42b9c3ba0aa4/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_8d6eac29-2a2c-4d4f-82d1-42b9c3ba0aa4/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6eac29-2a2c-4d4f-82d1-42b9c3ba0aa4/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_09_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6eac29-2a2c-4d4f-82d1-42b9c3ba0aa4/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_8d6eac29-2a2c-4d4f-82d1-42b9c3ba0aa4/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 3c5b13f3462c1dd603533bd6acd01b05b8e67e197df2d54bbd0b4c9776b5d765 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:29:33,566 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:29:33,644 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6eac29-2a2c-4d4f-82d1-42b9c3ba0aa4/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-02 23:29:33,676 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:29:33,677 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:29:33,678 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:29:33,678 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:29:33,679 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:29:33,679 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:29:33,680 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:29:33,680 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:29:33,681 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:29:33,682 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:29:33,682 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:29:33,683 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:29:33,683 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:29:33,684 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 23:29:33,684 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:29:33,685 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:29:33,685 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:29:33,686 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:29:33,687 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:29:33,687 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:29:33,688 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:29:33,688 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:29:33,688 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:29:33,689 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:29:33,689 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:29:33,690 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:29:33,690 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:29:33,691 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:29:33,691 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:29:33,691 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:29:33,692 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:29:33,692 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:29:33,692 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:29:33,692 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_8d6eac29-2a2c-4d4f-82d1-42b9c3ba0aa4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6eac29-2a2c-4d4f-82d1-42b9c3ba0aa4/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c5b13f3462c1dd603533bd6acd01b05b8e67e197df2d54bbd0b4c9776b5d765 [2023-12-02 23:29:34,000 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:29:34,020 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:29:34,023 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:29:34,024 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:29:34,024 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:29:34,026 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6eac29-2a2c-4d4f-82d1-42b9c3ba0aa4/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_09_bad.i [2023-12-02 23:29:36,763 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:29:37,099 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:29:37,100 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6eac29-2a2c-4d4f-82d1-42b9c3ba0aa4/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_09_bad.i [2023-12-02 23:29:37,122 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6eac29-2a2c-4d4f-82d1-42b9c3ba0aa4/bin/ukojak-verify-Qdu7aM0XO9/data/e59381c6f/2c4304d44513499c9ca6133b14a3102a/FLAG7f42336a0 [2023-12-02 23:29:37,137 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6eac29-2a2c-4d4f-82d1-42b9c3ba0aa4/bin/ukojak-verify-Qdu7aM0XO9/data/e59381c6f/2c4304d44513499c9ca6133b14a3102a [2023-12-02 23:29:37,139 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:29:37,141 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:29:37,142 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:29:37,143 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:29:37,147 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:29:37,148 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:29:37" (1/1) ... [2023-12-02 23:29:37,149 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e940caa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:37, skipping insertion in model container [2023-12-02 23:29:37,149 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:29:37" (1/1) ... [2023-12-02 23:29:37,207 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:29:37,964 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:29:37,977 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:29:38,058 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:29:38,185 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:29:38,185 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:29:38,185 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:29:38,185 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:29:38,193 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:29:38,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:38 WrapperNode [2023-12-02 23:29:38,193 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:29:38,194 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:29:38,194 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:29:38,195 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:29:38,202 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:38" (1/1) ... [2023-12-02 23:29:38,230 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:38" (1/1) ... [2023-12-02 23:29:38,255 INFO L138 Inliner]: procedures = 503, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 62 [2023-12-02 23:29:38,256 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:29:38,256 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:29:38,256 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:29:38,256 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:29:38,266 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:38" (1/1) ... [2023-12-02 23:29:38,266 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:38" (1/1) ... [2023-12-02 23:29:38,270 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:38" (1/1) ... [2023-12-02 23:29:38,270 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:38" (1/1) ... [2023-12-02 23:29:38,279 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:38" (1/1) ... [2023-12-02 23:29:38,281 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:38" (1/1) ... [2023-12-02 23:29:38,284 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:38" (1/1) ... [2023-12-02 23:29:38,286 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:38" (1/1) ... [2023-12-02 23:29:38,291 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:29:38,292 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:29:38,292 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:29:38,292 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:29:38,293 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:38" (1/1) ... [2023-12-02 23:29:38,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:29:38,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6eac29-2a2c-4d4f-82d1-42b9c3ba0aa4/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:29:38,322 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6eac29-2a2c-4d4f-82d1-42b9c3ba0aa4/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:29:38,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6eac29-2a2c-4d4f-82d1-42b9c3ba0aa4/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:29:38,366 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 23:29:38,366 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 23:29:38,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:29:38,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:29:38,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:29:38,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:29:38,367 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 23:29:38,518 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:29:38,520 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:29:38,635 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:29:38,697 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:29:38,697 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 23:29:38,699 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:29:38 BoogieIcfgContainer [2023-12-02 23:29:38,699 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:29:38,700 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:29:38,700 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:29:38,709 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:29:38,710 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:29:38" (1/1) ... [2023-12-02 23:29:38,719 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:29:38,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:29:38,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-02 23:29:38,774 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-02 23:29:38,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 23:29:38,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:29:38,779 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:29:38,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6eac29-2a2c-4d4f-82d1-42b9c3ba0aa4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:29:38,802 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6eac29-2a2c-4d4f-82d1-42b9c3ba0aa4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:29:38,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6eac29-2a2c-4d4f-82d1-42b9c3ba0aa4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 23:29:38,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:29:38,978 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:29:39,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:29:39,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:29:39,127 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:29:39,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:29:39,180 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6eac29-2a2c-4d4f-82d1-42b9c3ba0aa4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 23:29:39,182 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 23:29:39,204 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet106 [2023-12-02 23:29:39,209 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post104 could not be translated [2023-12-02 23:29:39,209 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite103 could not be translated [2023-12-02 23:29:39,214 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:29:39 ImpRootNode [2023-12-02 23:29:39,214 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:29:39,214 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:29:39,215 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:29:39,215 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:29:39,215 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:29:38" (3/4) ... [2023-12-02 23:29:39,218 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 23:29:39,219 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:29:39,220 INFO L158 Benchmark]: Toolchain (without parser) took 2078.55ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 61.0MB in the beginning and 74.7MB in the end (delta: -13.7MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2023-12-02 23:29:39,220 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 60.8MB. Free memory was 36.8MB in the beginning and 36.7MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:29:39,221 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1051.25ms. Allocated memory is still 88.1MB. Free memory was 60.7MB in the beginning and 42.6MB in the end (delta: 18.1MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. [2023-12-02 23:29:39,222 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.35ms. Allocated memory is still 88.1MB. Free memory was 42.6MB in the beginning and 39.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:29:39,222 INFO L158 Benchmark]: Boogie Preprocessor took 34.85ms. Allocated memory is still 88.1MB. Free memory was 39.7MB in the beginning and 37.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:29:39,223 INFO L158 Benchmark]: RCFGBuilder took 407.33ms. Allocated memory is still 88.1MB. Free memory was 37.6MB in the beginning and 44.4MB in the end (delta: -6.8MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2023-12-02 23:29:39,224 INFO L158 Benchmark]: CodeCheck took 514.11ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 44.4MB in the beginning and 75.3MB in the end (delta: -30.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:29:39,224 INFO L158 Benchmark]: Witness Printer took 4.29ms. Allocated memory is still 107.0MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:29:39,227 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: 1559]: 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 1568. 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); [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_rand_postdec_09_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(GLOBAL_CONST_TRUE) [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] COND TRUE \read(GLOBAL_CONST_TRUE) [L1559] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, 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 60.8MB. Free memory was 36.8MB in the beginning and 36.7MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1051.25ms. Allocated memory is still 88.1MB. Free memory was 60.7MB in the beginning and 42.6MB in the end (delta: 18.1MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.35ms. Allocated memory is still 88.1MB. Free memory was 42.6MB in the beginning and 39.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.85ms. Allocated memory is still 88.1MB. Free memory was 39.7MB in the beginning and 37.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 407.33ms. Allocated memory is still 88.1MB. Free memory was 37.6MB in the beginning and 44.4MB in the end (delta: -6.8MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. * CodeCheck took 514.11ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 44.4MB in the beginning and 75.3MB in the end (delta: -30.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.29ms. Allocated memory is still 107.0MB. Free memory is still 74.7MB. 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~nondet106 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post104 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite103 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 23:29:39,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6eac29-2a2c-4d4f-82d1-42b9c3ba0aa4/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