./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_31_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dba9afa3-74f1-4cf8-aefc-8788f6f89f1d/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dba9afa3-74f1-4cf8-aefc-8788f6f89f1d/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_dba9afa3-74f1-4cf8-aefc-8788f6f89f1d/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dba9afa3-74f1-4cf8-aefc-8788f6f89f1d/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dba9afa3-74f1-4cf8-aefc-8788f6f89f1d/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_dba9afa3-74f1-4cf8-aefc-8788f6f89f1d/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 efdbbfbe3f5a563ba897958f3304bc38fc550c7cf92a374e14d4dbbb403be10e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:17:51,751 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:17:51,817 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dba9afa3-74f1-4cf8-aefc-8788f6f89f1d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 21:17:51,822 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:17:51,822 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:17:51,845 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:17:51,845 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:17:51,846 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:17:51,847 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:17:51,847 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:17:51,848 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:17:51,848 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:17:51,849 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:17:51,849 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:17:51,850 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:17:51,850 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:17:51,851 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:17:51,851 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 21:17:51,852 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:17:51,852 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:17:51,852 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:17:51,853 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:17:51,854 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:17:51,854 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:17:51,855 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:17:51,855 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:17:51,855 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:17:51,856 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:17:51,856 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:17:51,857 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:17:51,857 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:17:51,857 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:17:51,858 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_dba9afa3-74f1-4cf8-aefc-8788f6f89f1d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dba9afa3-74f1-4cf8-aefc-8788f6f89f1d/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> efdbbfbe3f5a563ba897958f3304bc38fc550c7cf92a374e14d4dbbb403be10e [2023-12-02 21:17:52,086 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:17:52,106 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:17:52,109 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:17:52,110 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:17:52,110 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:17:52,112 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dba9afa3-74f1-4cf8-aefc-8788f6f89f1d/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_31_bad.i [2023-12-02 21:17:54,885 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:17:55,172 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:17:55,173 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dba9afa3-74f1-4cf8-aefc-8788f6f89f1d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_31_bad.i [2023-12-02 21:17:55,195 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dba9afa3-74f1-4cf8-aefc-8788f6f89f1d/bin/ukojak-verify-Qdu7aM0XO9/data/0dffd7558/284fc2550933414fa5d66a6ef723330a/FLAG3f78928e6 [2023-12-02 21:17:55,207 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dba9afa3-74f1-4cf8-aefc-8788f6f89f1d/bin/ukojak-verify-Qdu7aM0XO9/data/0dffd7558/284fc2550933414fa5d66a6ef723330a [2023-12-02 21:17:55,209 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:17:55,210 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:17:55,211 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:17:55,212 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:17:55,215 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:17:55,216 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:17:55" (1/1) ... [2023-12-02 21:17:55,217 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37a32c93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:17:55, skipping insertion in model container [2023-12-02 21:17:55,217 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:17:55" (1/1) ... [2023-12-02 21:17:55,269 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:17:56,069 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:17:56,080 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:17:56,159 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:17:56,353 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:17:56,354 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:17:56,354 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:17:56,354 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:17:56,362 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:17:56,363 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:17:56 WrapperNode [2023-12-02 21:17:56,363 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:17:56,364 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:17:56,364 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:17:56,364 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:17:56,372 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:17:56" (1/1) ... [2023-12-02 21:17:56,397 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:17:56" (1/1) ... [2023-12-02 21:17:56,421 INFO L138 Inliner]: procedures = 498, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 45 [2023-12-02 21:17:56,421 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:17:56,422 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:17:56,422 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:17:56,422 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:17:56,433 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:17:56" (1/1) ... [2023-12-02 21:17:56,433 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:17:56" (1/1) ... [2023-12-02 21:17:56,436 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:17:56" (1/1) ... [2023-12-02 21:17:56,436 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:17:56" (1/1) ... [2023-12-02 21:17:56,442 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:17:56" (1/1) ... [2023-12-02 21:17:56,444 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:17:56" (1/1) ... [2023-12-02 21:17:56,446 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:17:56" (1/1) ... [2023-12-02 21:17:56,447 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:17:56" (1/1) ... [2023-12-02 21:17:56,450 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:17:56,451 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:17:56,451 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:17:56,451 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:17:56,452 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:17:56" (1/1) ... [2023-12-02 21:17:56,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:17:56,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dba9afa3-74f1-4cf8-aefc-8788f6f89f1d/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:17:56,486 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dba9afa3-74f1-4cf8-aefc-8788f6f89f1d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:17:56,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dba9afa3-74f1-4cf8-aefc-8788f6f89f1d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:17:56,517 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 21:17:56,517 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 21:17:56,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:17:56,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:17:56,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:17:56,518 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 21:17:56,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:17:56,668 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:17:56,671 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:17:56,763 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:17:56,804 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:17:56,804 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 21:17:56,806 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:17:56 BoogieIcfgContainer [2023-12-02 21:17:56,806 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:17:56,807 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:17:56,807 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:17:56,816 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:17:56,816 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:17:56" (1/1) ... [2023-12-02 21:17:56,823 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:17:56,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:56,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-02 21:17:56,871 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-02 21:17:56,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 21:17:56,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:56,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:56,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:17:56,976 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:17:56,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:17:57,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:17:57,050 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:17:57,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:17:57,076 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 21:17:57,097 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet100 [2023-12-02 21:17:57,100 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post98 could not be translated [2023-12-02 21:17:57,103 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:17:57 ImpRootNode [2023-12-02 21:17:57,103 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:17:57,104 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:17:57,104 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:17:57,104 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:17:57,105 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:17:56" (3/4) ... [2023-12-02 21:17:57,107 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 21:17:57,108 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:17:57,109 INFO L158 Benchmark]: Toolchain (without parser) took 1898.55ms. Allocated memory was 153.1MB in the beginning and 199.2MB in the end (delta: 46.1MB). Free memory was 111.3MB in the beginning and 109.0MB in the end (delta: 2.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2023-12-02 21:17:57,110 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 96.5MB. Free memory is still 45.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:17:57,110 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1151.97ms. Allocated memory was 153.1MB in the beginning and 199.2MB in the end (delta: 46.1MB). Free memory was 111.3MB in the beginning and 142.6MB in the end (delta: -31.3MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2023-12-02 21:17:57,111 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.37ms. Allocated memory is still 199.2MB. Free memory was 142.6MB in the beginning and 139.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 21:17:57,111 INFO L158 Benchmark]: Boogie Preprocessor took 28.47ms. Allocated memory is still 199.2MB. Free memory was 139.4MB in the beginning and 138.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:17:57,112 INFO L158 Benchmark]: RCFGBuilder took 355.23ms. Allocated memory is still 199.2MB. Free memory was 138.4MB in the beginning and 123.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 21:17:57,113 INFO L158 Benchmark]: CodeCheck took 296.16ms. Allocated memory is still 199.2MB. Free memory was 123.7MB in the beginning and 109.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 21:17:57,113 INFO L158 Benchmark]: Witness Printer took 4.20ms. Allocated memory is still 199.2MB. Free memory is still 109.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:17:57,116 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, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, 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, 6 NumberOfCodeBlocks, 6 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: 1557]: 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 1566. 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); [L1566] 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) [L1566] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=14, argc=14, argv={12:13}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1567] CALL CWE191_Integer_Underflow__int_min_postdec_31_bad() [L1550] int data; [L1551] data = 0 [L1552] data = (-0x7fffffff - 1) [L1554] int dataCopy = data; [L1555] int data = dataCopy; [L1557] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, data=-2147483648, dataCopy=-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 96.5MB. Free memory is still 45.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1151.97ms. Allocated memory was 153.1MB in the beginning and 199.2MB in the end (delta: 46.1MB). Free memory was 111.3MB in the beginning and 142.6MB in the end (delta: -31.3MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.37ms. Allocated memory is still 199.2MB. Free memory was 142.6MB in the beginning and 139.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.47ms. Allocated memory is still 199.2MB. Free memory was 139.4MB in the beginning and 138.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 355.23ms. Allocated memory is still 199.2MB. Free memory was 138.4MB in the beginning and 123.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 296.16ms. Allocated memory is still 199.2MB. Free memory was 123.7MB in the beginning and 109.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 4.20ms. Allocated memory is still 199.2MB. Free memory is still 109.0MB. 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~nondet100 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post98 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 21:17:57,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dba9afa3-74f1-4cf8-aefc-8788f6f89f1d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dba9afa3-74f1-4cf8-aefc-8788f6f89f1d/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dba9afa3-74f1-4cf8-aefc-8788f6f89f1d/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_dba9afa3-74f1-4cf8-aefc-8788f6f89f1d/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dba9afa3-74f1-4cf8-aefc-8788f6f89f1d/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dba9afa3-74f1-4cf8-aefc-8788f6f89f1d/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_dba9afa3-74f1-4cf8-aefc-8788f6f89f1d/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 efdbbfbe3f5a563ba897958f3304bc38fc550c7cf92a374e14d4dbbb403be10e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:17:59,136 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:17:59,212 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dba9afa3-74f1-4cf8-aefc-8788f6f89f1d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-02 21:17:59,242 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:17:59,243 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:17:59,244 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:17:59,245 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:17:59,245 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:17:59,246 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:17:59,246 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:17:59,247 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:17:59,248 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:17:59,248 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:17:59,249 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:17:59,249 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 21:17:59,250 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 21:17:59,250 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 21:17:59,251 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 21:17:59,251 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:17:59,252 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:17:59,253 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:17:59,253 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:17:59,254 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:17:59,254 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:17:59,255 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:17:59,255 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 21:17:59,255 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:17:59,256 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:17:59,256 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:17:59,257 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:17:59,257 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:17:59,257 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 21:17:59,258 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:17:59,258 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:17:59,258 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 21:17:59,258 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 21:17:59,258 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_dba9afa3-74f1-4cf8-aefc-8788f6f89f1d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dba9afa3-74f1-4cf8-aefc-8788f6f89f1d/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> efdbbfbe3f5a563ba897958f3304bc38fc550c7cf92a374e14d4dbbb403be10e [2023-12-02 21:17:59,555 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:17:59,573 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:17:59,575 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:17:59,576 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:17:59,577 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:17:59,578 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dba9afa3-74f1-4cf8-aefc-8788f6f89f1d/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_31_bad.i [2023-12-02 21:18:02,353 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:18:02,702 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:18:02,702 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dba9afa3-74f1-4cf8-aefc-8788f6f89f1d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_31_bad.i [2023-12-02 21:18:02,724 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dba9afa3-74f1-4cf8-aefc-8788f6f89f1d/bin/ukojak-verify-Qdu7aM0XO9/data/70e8daa59/dab85876f79047f8b358be0f818de147/FLAGb865de22c [2023-12-02 21:18:02,737 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dba9afa3-74f1-4cf8-aefc-8788f6f89f1d/bin/ukojak-verify-Qdu7aM0XO9/data/70e8daa59/dab85876f79047f8b358be0f818de147 [2023-12-02 21:18:02,739 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:18:02,741 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:18:02,742 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:18:02,742 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:18:02,746 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:18:02,747 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:18:02" (1/1) ... [2023-12-02 21:18:02,748 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fffc348 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:18:02, skipping insertion in model container [2023-12-02 21:18:02,748 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:18:02" (1/1) ... [2023-12-02 21:18:02,802 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:18:03,534 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:18:03,550 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:18:03,628 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:18:03,767 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:18:03,767 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:18:03,767 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:18:03,768 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:18:03,775 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:18:03,775 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:18:03 WrapperNode [2023-12-02 21:18:03,775 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:18:03,776 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:18:03,776 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:18:03,776 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:18:03,783 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:18:03" (1/1) ... [2023-12-02 21:18:03,810 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:18:03" (1/1) ... [2023-12-02 21:18:03,832 INFO L138 Inliner]: procedures = 503, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 45 [2023-12-02 21:18:03,832 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:18:03,833 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:18:03,833 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:18:03,833 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:18:03,841 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:18:03" (1/1) ... [2023-12-02 21:18:03,842 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:18:03" (1/1) ... [2023-12-02 21:18:03,846 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:18:03" (1/1) ... [2023-12-02 21:18:03,846 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:18:03" (1/1) ... [2023-12-02 21:18:03,856 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:18:03" (1/1) ... [2023-12-02 21:18:03,857 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:18:03" (1/1) ... [2023-12-02 21:18:03,860 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:18:03" (1/1) ... [2023-12-02 21:18:03,862 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:18:03" (1/1) ... [2023-12-02 21:18:03,867 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:18:03,868 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:18:03,868 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:18:03,868 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:18:03,869 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:18:03" (1/1) ... [2023-12-02 21:18:03,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:18:03,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dba9afa3-74f1-4cf8-aefc-8788f6f89f1d/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:18:03,906 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dba9afa3-74f1-4cf8-aefc-8788f6f89f1d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:18:03,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dba9afa3-74f1-4cf8-aefc-8788f6f89f1d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:18:03,947 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 21:18:03,947 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 21:18:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 21:18:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:18:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:18:03,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:18:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 21:18:04,101 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:18:04,103 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:18:04,201 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:18:04,246 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:18:04,246 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 21:18:04,248 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:18:04 BoogieIcfgContainer [2023-12-02 21:18:04,248 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:18:04,249 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:18:04,249 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:18:04,257 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:18:04,258 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:18:04" (1/1) ... [2023-12-02 21:18:04,265 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:18:04,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:18:04,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-02 21:18:04,320 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-02 21:18:04,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 21:18:04,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:18:04,324 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:18:04,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dba9afa3-74f1-4cf8-aefc-8788f6f89f1d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:18:04,349 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dba9afa3-74f1-4cf8-aefc-8788f6f89f1d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:18:04,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dba9afa3-74f1-4cf8-aefc-8788f6f89f1d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 21:18:04,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:18:04,487 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:18:04,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:18:04,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:18:04,574 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:18:04,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:18:04,606 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dba9afa3-74f1-4cf8-aefc-8788f6f89f1d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 21:18:04,614 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dba9afa3-74f1-4cf8-aefc-8788f6f89f1d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 21:18:04,614 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 21:18:04,633 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet98 [2023-12-02 21:18:04,636 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post96 could not be translated [2023-12-02 21:18:04,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:18:04 ImpRootNode [2023-12-02 21:18:04,640 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:18:04,640 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:18:04,640 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:18:04,641 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:18:04,641 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:18:04" (3/4) ... [2023-12-02 21:18:04,643 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 21:18:04,644 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:18:04,645 INFO L158 Benchmark]: Toolchain (without parser) took 1904.29ms. Allocated memory is still 94.4MB. Free memory was 67.4MB in the beginning and 55.2MB in the end (delta: 12.3MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2023-12-02 21:18:04,646 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 62.9MB. Free memory is still 39.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:18:04,646 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1033.57ms. Allocated memory is still 94.4MB. Free memory was 67.2MB in the beginning and 60.2MB in the end (delta: 6.9MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. [2023-12-02 21:18:04,647 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.11ms. Allocated memory is still 94.4MB. Free memory was 60.2MB in the beginning and 57.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 21:18:04,647 INFO L158 Benchmark]: Boogie Preprocessor took 34.31ms. Allocated memory is still 94.4MB. Free memory was 57.1MB in the beginning and 55.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:18:04,648 INFO L158 Benchmark]: RCFGBuilder took 380.62ms. Allocated memory is still 94.4MB. Free memory was 55.0MB in the beginning and 39.8MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 21:18:04,649 INFO L158 Benchmark]: CodeCheck took 390.54ms. Allocated memory is still 94.4MB. Free memory was 39.8MB in the beginning and 55.7MB in the end (delta: -15.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:18:04,649 INFO L158 Benchmark]: Witness Printer took 4.27ms. Allocated memory is still 94.4MB. Free memory was 55.7MB in the beginning and 55.2MB in the end (delta: 569.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:18:04,653 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, 12 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, 6 NumberOfCodeBlocks, 6 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: 1557]: 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 1566. 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); [L1566] 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) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_min_postdec_31_bad() [L1550] int data; [L1551] data = 0 [L1552] data = (-0x7fffffff - 1) [L1554] int dataCopy = data; [L1555] int data = dataCopy; [L1557] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, data=-2147483648, dataCopy=-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 0.17ms. Allocated memory is still 62.9MB. Free memory is still 39.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1033.57ms. Allocated memory is still 94.4MB. Free memory was 67.2MB in the beginning and 60.2MB in the end (delta: 6.9MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.11ms. Allocated memory is still 94.4MB. Free memory was 60.2MB in the beginning and 57.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.31ms. Allocated memory is still 94.4MB. Free memory was 57.1MB in the beginning and 55.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 380.62ms. Allocated memory is still 94.4MB. Free memory was 55.0MB in the beginning and 39.8MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 390.54ms. Allocated memory is still 94.4MB. Free memory was 39.8MB in the beginning and 55.7MB in the end (delta: -15.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.27ms. Allocated memory is still 94.4MB. Free memory was 55.7MB in the beginning and 55.2MB in the end (delta: 569.8kB). 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~nondet98 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post96 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 21:18:04,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dba9afa3-74f1-4cf8-aefc-8788f6f89f1d/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