./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_05_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_dd20b958-1d19-435a-9682-0c03feba4553/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd20b958-1d19-435a-9682-0c03feba4553/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_dd20b958-1d19-435a-9682-0c03feba4553/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd20b958-1d19-435a-9682-0c03feba4553/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_05_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd20b958-1d19-435a-9682-0c03feba4553/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_dd20b958-1d19-435a-9682-0c03feba4553/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 31de659d6df42b7acb6e118551856187f6aad305952860815f1d1aa69a4f8d16 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:47:26,624 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:47:26,687 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd20b958-1d19-435a-9682-0c03feba4553/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 21:47:26,691 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:47:26,692 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:47:26,713 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:47:26,714 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:47:26,715 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:47:26,716 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:47:26,716 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:47:26,717 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:47:26,717 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:47:26,718 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:47:26,718 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:47:26,719 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:47:26,719 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:47:26,720 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:47:26,720 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 21:47:26,721 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:47:26,721 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:47:26,722 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:47:26,722 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:47:26,723 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:47:26,723 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:47:26,724 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:47:26,724 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:47:26,725 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:47:26,725 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:47:26,726 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:47:26,726 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:47:26,726 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:47:26,727 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:47:26,727 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_dd20b958-1d19-435a-9682-0c03feba4553/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd20b958-1d19-435a-9682-0c03feba4553/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31de659d6df42b7acb6e118551856187f6aad305952860815f1d1aa69a4f8d16 [2023-12-02 21:47:26,952 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:47:26,998 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:47:27,001 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:47:27,002 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:47:27,003 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:47:27,004 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd20b958-1d19-435a-9682-0c03feba4553/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_05_bad.i [2023-12-02 21:47:29,746 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:47:30,031 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:47:30,032 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd20b958-1d19-435a-9682-0c03feba4553/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_05_bad.i [2023-12-02 21:47:30,055 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd20b958-1d19-435a-9682-0c03feba4553/bin/ukojak-verify-Qdu7aM0XO9/data/296f3fa56/af272ce1bb384c3495afb3febc3b0d4c/FLAGa3747a61e [2023-12-02 21:47:30,070 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd20b958-1d19-435a-9682-0c03feba4553/bin/ukojak-verify-Qdu7aM0XO9/data/296f3fa56/af272ce1bb384c3495afb3febc3b0d4c [2023-12-02 21:47:30,073 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:47:30,075 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:47:30,076 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:47:30,076 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:47:30,081 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:47:30,082 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:47:30" (1/1) ... [2023-12-02 21:47:30,084 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bc7b20d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:30, skipping insertion in model container [2023-12-02 21:47:30,084 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:47:30" (1/1) ... [2023-12-02 21:47:30,145 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:47:31,052 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:47:31,062 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:47:31,147 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:47:31,281 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:47:31,282 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:47:31,282 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:47:31,282 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:47:31,290 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:47:31,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:31 WrapperNode [2023-12-02 21:47:31,291 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:47:31,292 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:47:31,292 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:47:31,293 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:47:31,300 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:31" (1/1) ... [2023-12-02 21:47:31,324 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:31" (1/1) ... [2023-12-02 21:47:31,349 INFO L138 Inliner]: procedures = 498, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 43 [2023-12-02 21:47:31,349 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:47:31,350 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:47:31,350 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:47:31,350 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:47:31,360 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:31" (1/1) ... [2023-12-02 21:47:31,360 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:31" (1/1) ... [2023-12-02 21:47:31,363 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:31" (1/1) ... [2023-12-02 21:47:31,364 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:31" (1/1) ... [2023-12-02 21:47:31,369 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:31" (1/1) ... [2023-12-02 21:47:31,371 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:31" (1/1) ... [2023-12-02 21:47:31,373 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:31" (1/1) ... [2023-12-02 21:47:31,374 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:31" (1/1) ... [2023-12-02 21:47:31,377 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:47:31,378 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:47:31,378 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:47:31,379 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:47:31,379 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:31" (1/1) ... [2023-12-02 21:47:31,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:47:31,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd20b958-1d19-435a-9682-0c03feba4553/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:47:31,412 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd20b958-1d19-435a-9682-0c03feba4553/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:47:31,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd20b958-1d19-435a-9682-0c03feba4553/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:47:31,447 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 21:47:31,448 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 21:47:31,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:47:31,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:47:31,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:47:31,448 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 21:47:31,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:47:31,571 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:47:31,573 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:47:31,659 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:47:31,695 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:47:31,695 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 21:47:31,697 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:47:31 BoogieIcfgContainer [2023-12-02 21:47:31,697 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:47:31,697 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:47:31,698 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:47:31,708 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:47:31,708 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:47:31" (1/1) ... [2023-12-02 21:47:31,716 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:47:31,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:31,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-02 21:47:31,761 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-02 21:47:31,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:47:31,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:31,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:31,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:47:31,882 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:47:31,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:47:31,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:47:31,961 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:47:31,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:47:31,988 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 21:47:32,005 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet99 [2023-12-02 21:47:32,009 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:47:32 ImpRootNode [2023-12-02 21:47:32,009 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:47:32,010 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:47:32,010 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:47:32,011 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:47:32,011 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:47:31" (3/4) ... [2023-12-02 21:47:32,013 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 21:47:32,014 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:47:32,015 INFO L158 Benchmark]: Toolchain (without parser) took 1940.55ms. Allocated memory is still 163.6MB. Free memory was 123.0MB in the beginning and 67.4MB in the end (delta: 55.7MB). Peak memory consumption was 57.0MB. Max. memory is 16.1GB. [2023-12-02 21:47:32,016 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 102.8MB. Free memory was 72.8MB in the beginning and 72.7MB in the end (delta: 28.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:47:32,017 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1215.49ms. Allocated memory is still 163.6MB. Free memory was 123.0MB in the beginning and 100.9MB in the end (delta: 22.1MB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. [2023-12-02 21:47:32,017 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.29ms. Allocated memory is still 163.6MB. Free memory was 100.9MB in the beginning and 98.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:47:32,018 INFO L158 Benchmark]: Boogie Preprocessor took 27.42ms. Allocated memory is still 163.6MB. Free memory was 98.3MB in the beginning and 96.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:47:32,018 INFO L158 Benchmark]: RCFGBuilder took 318.75ms. Allocated memory is still 163.6MB. Free memory was 96.7MB in the beginning and 83.7MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 21:47:32,019 INFO L158 Benchmark]: CodeCheck took 312.11ms. Allocated memory is still 163.6MB. Free memory was 83.7MB in the beginning and 68.2MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 21:47:32,020 INFO L158 Benchmark]: Witness Printer took 4.20ms. Allocated memory is still 163.6MB. Free memory was 68.2MB in the beginning and 67.4MB in the end (delta: 819.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:47:32,023 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: 1561]: 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 1569. 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); [L1548] static int staticTrue = 1; [L1549] static int staticFalse = 0; [L1569] 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}, staticFalse=0, staticTrue=1] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=13, argc=13, argv={12:14}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] [L1570] CALL CWE191_Integer_Underflow__int_min_sub_05_bad() [L1552] int data; [L1553] data = 0 [L1554] COND TRUE \read(staticTrue) [L1556] data = (-0x7fffffff - 1) 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, staticFalse=0, staticTrue=1] [L1558] COND TRUE \read(staticTrue) 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, staticFalse=0, staticTrue=1] [L1561] data - 1 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, staticFalse=0, staticTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 102.8MB. Free memory was 72.8MB in the beginning and 72.7MB in the end (delta: 28.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1215.49ms. Allocated memory is still 163.6MB. Free memory was 123.0MB in the beginning and 100.9MB in the end (delta: 22.1MB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.29ms. Allocated memory is still 163.6MB. Free memory was 100.9MB in the beginning and 98.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.42ms. Allocated memory is still 163.6MB. Free memory was 98.3MB in the beginning and 96.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 318.75ms. Allocated memory is still 163.6MB. Free memory was 96.7MB in the beginning and 83.7MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 312.11ms. Allocated memory is still 163.6MB. Free memory was 83.7MB in the beginning and 68.2MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.20ms. Allocated memory is still 163.6MB. Free memory was 68.2MB in the beginning and 67.4MB in the end (delta: 819.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet99 - 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 21:47:32,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd20b958-1d19-435a-9682-0c03feba4553/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_dd20b958-1d19-435a-9682-0c03feba4553/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd20b958-1d19-435a-9682-0c03feba4553/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_dd20b958-1d19-435a-9682-0c03feba4553/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd20b958-1d19-435a-9682-0c03feba4553/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_05_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd20b958-1d19-435a-9682-0c03feba4553/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_dd20b958-1d19-435a-9682-0c03feba4553/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 31de659d6df42b7acb6e118551856187f6aad305952860815f1d1aa69a4f8d16 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:47:33,957 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:47:34,036 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd20b958-1d19-435a-9682-0c03feba4553/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-02 21:47:34,068 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:47:34,069 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:47:34,069 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:47:34,070 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:47:34,071 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:47:34,071 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:47:34,072 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:47:34,072 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:47:34,073 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:47:34,073 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:47:34,074 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:47:34,075 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 21:47:34,075 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 21:47:34,076 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 21:47:34,076 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 21:47:34,077 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:47:34,077 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:47:34,078 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:47:34,079 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:47:34,079 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:47:34,080 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:47:34,080 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:47:34,081 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 21:47:34,081 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:47:34,082 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:47:34,083 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:47:34,083 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:47:34,084 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:47:34,084 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 21:47:34,084 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:47:34,085 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:47:34,085 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 21:47:34,085 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 21:47:34,085 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_dd20b958-1d19-435a-9682-0c03feba4553/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd20b958-1d19-435a-9682-0c03feba4553/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31de659d6df42b7acb6e118551856187f6aad305952860815f1d1aa69a4f8d16 [2023-12-02 21:47:34,371 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:47:34,392 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:47:34,394 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:47:34,396 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:47:34,396 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:47:34,398 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd20b958-1d19-435a-9682-0c03feba4553/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_05_bad.i [2023-12-02 21:47:37,145 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:47:37,471 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:47:37,472 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd20b958-1d19-435a-9682-0c03feba4553/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_05_bad.i [2023-12-02 21:47:37,496 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd20b958-1d19-435a-9682-0c03feba4553/bin/ukojak-verify-Qdu7aM0XO9/data/eee5211a9/914d545dadfd4db6ae7d004597b3587d/FLAG6343743db [2023-12-02 21:47:37,511 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd20b958-1d19-435a-9682-0c03feba4553/bin/ukojak-verify-Qdu7aM0XO9/data/eee5211a9/914d545dadfd4db6ae7d004597b3587d [2023-12-02 21:47:37,513 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:47:37,514 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:47:37,516 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:47:37,516 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:47:37,521 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:47:37,521 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:47:37" (1/1) ... [2023-12-02 21:47:37,523 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b5813e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:37, skipping insertion in model container [2023-12-02 21:47:37,523 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:47:37" (1/1) ... [2023-12-02 21:47:37,579 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:47:38,366 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:47:38,381 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:47:38,472 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:47:38,630 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:47:38,631 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:47:38,631 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:47:38,631 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:47:38,639 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:47:38,640 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:38 WrapperNode [2023-12-02 21:47:38,640 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:47:38,641 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:47:38,641 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:47:38,641 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:47:38,649 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:38" (1/1) ... [2023-12-02 21:47:38,678 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:38" (1/1) ... [2023-12-02 21:47:38,699 INFO L138 Inliner]: procedures = 503, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 43 [2023-12-02 21:47:38,699 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:47:38,700 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:47:38,700 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:47:38,700 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:47:38,709 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:38" (1/1) ... [2023-12-02 21:47:38,710 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:38" (1/1) ... [2023-12-02 21:47:38,714 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:38" (1/1) ... [2023-12-02 21:47:38,714 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:38" (1/1) ... [2023-12-02 21:47:38,724 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:38" (1/1) ... [2023-12-02 21:47:38,726 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:38" (1/1) ... [2023-12-02 21:47:38,729 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:38" (1/1) ... [2023-12-02 21:47:38,731 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:38" (1/1) ... [2023-12-02 21:47:38,736 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:47:38,737 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:47:38,737 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:47:38,737 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:47:38,738 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:38" (1/1) ... [2023-12-02 21:47:38,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:47:38,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd20b958-1d19-435a-9682-0c03feba4553/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:47:38,772 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd20b958-1d19-435a-9682-0c03feba4553/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:47:38,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd20b958-1d19-435a-9682-0c03feba4553/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:47:38,812 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 21:47:38,812 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 21:47:38,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 21:47:38,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:47:38,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:47:38,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:47:38,813 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 21:47:38,973 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:47:38,976 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:47:39,102 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:47:39,169 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:47:39,170 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 21:47:39,171 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:47:39 BoogieIcfgContainer [2023-12-02 21:47:39,171 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:47:39,172 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:47:39,173 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:47:39,183 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:47:39,183 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:47:39" (1/1) ... [2023-12-02 21:47:39,193 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:47:39,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:39,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-02 21:47:39,253 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-02 21:47:39,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:47:39,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:39,258 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:47:39,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd20b958-1d19-435a-9682-0c03feba4553/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:47:39,278 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd20b958-1d19-435a-9682-0c03feba4553/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:47:39,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd20b958-1d19-435a-9682-0c03feba4553/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 21:47:39,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:47:39,438 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:47:39,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:47:39,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:47:39,538 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:47:39,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:47:39,579 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd20b958-1d19-435a-9682-0c03feba4553/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 21:47:39,580 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 21:47:39,610 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet97 [2023-12-02 21:47:39,615 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:47:39 ImpRootNode [2023-12-02 21:47:39,615 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:47:39,616 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:47:39,616 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:47:39,616 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:47:39,617 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:47:39" (3/4) ... [2023-12-02 21:47:39,619 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 21:47:39,620 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:47:39,621 INFO L158 Benchmark]: Toolchain (without parser) took 2106.27ms. Allocated memory is still 123.7MB. Free memory was 97.0MB in the beginning and 80.0MB in the end (delta: 17.0MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2023-12-02 21:47:39,621 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 65.0MB. Free memory is still 41.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:47:39,622 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1124.36ms. Allocated memory is still 123.7MB. Free memory was 96.6MB in the beginning and 64.2MB in the end (delta: 32.4MB). Peak memory consumption was 42.6MB. Max. memory is 16.1GB. [2023-12-02 21:47:39,623 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.54ms. Allocated memory is still 123.7MB. Free memory was 64.2MB in the beginning and 61.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:47:39,623 INFO L158 Benchmark]: Boogie Preprocessor took 36.33ms. Allocated memory is still 123.7MB. Free memory was 61.4MB in the beginning and 59.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:47:39,624 INFO L158 Benchmark]: RCFGBuilder took 434.66ms. Allocated memory is still 123.7MB. Free memory was 59.3MB in the beginning and 95.5MB in the end (delta: -36.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-12-02 21:47:39,624 INFO L158 Benchmark]: CodeCheck took 442.94ms. Allocated memory is still 123.7MB. Free memory was 95.5MB in the beginning and 80.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 21:47:39,625 INFO L158 Benchmark]: Witness Printer took 4.24ms. Allocated memory is still 123.7MB. Free memory was 80.8MB in the beginning and 80.0MB in the end (delta: 834.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:47:39,628 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: 0.4s, 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: 1561]: 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 1569. 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); [L1548] static int staticTrue = 1; [L1549] static int staticFalse = 0; [L1569] 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}, staticFalse=0, staticTrue=1] [L1414] COND TRUE line != ((void *)0) [L1569] 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, staticFalse=0, staticTrue=1] [L1570] CALL CWE191_Integer_Underflow__int_min_sub_05_bad() [L1552] int data; [L1553] data = 0 [L1554] COND TRUE \read(staticTrue) [L1556] data = (-0x7fffffff - 1) 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, staticFalse=0, staticTrue=1] [L1558] COND TRUE \read(staticTrue) 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, staticFalse=0, staticTrue=1] [L1561] data - 1 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, staticFalse=0, staticTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 65.0MB. Free memory is still 41.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1124.36ms. Allocated memory is still 123.7MB. Free memory was 96.6MB in the beginning and 64.2MB in the end (delta: 32.4MB). Peak memory consumption was 42.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.54ms. Allocated memory is still 123.7MB. Free memory was 64.2MB in the beginning and 61.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.33ms. Allocated memory is still 123.7MB. Free memory was 61.4MB in the beginning and 59.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 434.66ms. Allocated memory is still 123.7MB. Free memory was 59.3MB in the beginning and 95.5MB in the end (delta: -36.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * CodeCheck took 442.94ms. Allocated memory is still 123.7MB. Free memory was 95.5MB in the beginning and 80.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 4.24ms. Allocated memory is still 123.7MB. Free memory was 80.8MB in the beginning and 80.0MB in the end (delta: 834.3kB). 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~nondet97 - 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 21:47:39,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd20b958-1d19-435a-9682-0c03feba4553/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