./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_61_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_17363e66-e5e5-49e8-8ebe-7e17d93efd7a/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17363e66-e5e5-49e8-8ebe-7e17d93efd7a/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_17363e66-e5e5-49e8-8ebe-7e17d93efd7a/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17363e66-e5e5-49e8-8ebe-7e17d93efd7a/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17363e66-e5e5-49e8-8ebe-7e17d93efd7a/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_17363e66-e5e5-49e8-8ebe-7e17d93efd7a/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 989e6c455156ebae5504eabe977a595207f220711402a373c7b868b5dceff99a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:32:51,724 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:32:51,785 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17363e66-e5e5-49e8-8ebe-7e17d93efd7a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 23:32:51,789 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:32:51,790 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:32:51,812 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:32:51,813 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:32:51,813 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:32:51,814 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:32:51,814 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:32:51,815 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:32:51,816 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:32:51,816 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:32:51,817 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:32:51,817 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:32:51,818 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:32:51,818 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:32:51,818 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 23:32:51,819 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:32:51,819 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:32:51,820 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:32:51,824 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:32:51,824 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:32:51,824 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:32:51,825 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:32:51,825 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:32:51,825 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:32:51,825 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:32:51,826 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:32:51,826 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:32:51,827 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:32:51,827 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:32:51,827 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_17363e66-e5e5-49e8-8ebe-7e17d93efd7a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17363e66-e5e5-49e8-8ebe-7e17d93efd7a/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 989e6c455156ebae5504eabe977a595207f220711402a373c7b868b5dceff99a [2023-12-02 23:32:52,022 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:32:52,041 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:32:52,043 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:32:52,045 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:32:52,045 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:32:52,047 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17363e66-e5e5-49e8-8ebe-7e17d93efd7a/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_61_bad.i [2023-12-02 23:32:54,812 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:32:55,117 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:32:55,117 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17363e66-e5e5-49e8-8ebe-7e17d93efd7a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_61_bad.i [2023-12-02 23:32:55,141 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17363e66-e5e5-49e8-8ebe-7e17d93efd7a/bin/ukojak-verify-Qdu7aM0XO9/data/0ce5d9e6f/778ef6abbf2f4d6c81e58a2052ab7c32/FLAG0121b39ae [2023-12-02 23:32:55,156 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17363e66-e5e5-49e8-8ebe-7e17d93efd7a/bin/ukojak-verify-Qdu7aM0XO9/data/0ce5d9e6f/778ef6abbf2f4d6c81e58a2052ab7c32 [2023-12-02 23:32:55,159 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:32:55,161 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:32:55,162 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:32:55,162 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:32:55,167 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:32:55,168 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:32:55" (1/1) ... [2023-12-02 23:32:55,169 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f1b4b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:32:55, skipping insertion in model container [2023-12-02 23:32:55,169 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:32:55" (1/1) ... [2023-12-02 23:32:55,236 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:32:55,979 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:32:55,989 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:32:56,066 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:32:56,211 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:32:56,211 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:32:56,211 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:32:56,211 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:32:56,219 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:32:56,219 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:32:56 WrapperNode [2023-12-02 23:32:56,220 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:32:56,221 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:32:56,221 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:32:56,221 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:32:56,227 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:32:56" (1/1) ... [2023-12-02 23:32:56,249 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:32:56" (1/1) ... [2023-12-02 23:32:56,272 INFO L138 Inliner]: procedures = 499, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 96 [2023-12-02 23:32:56,272 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:32:56,273 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:32:56,273 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:32:56,273 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:32:56,280 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:32:56" (1/1) ... [2023-12-02 23:32:56,280 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:32:56" (1/1) ... [2023-12-02 23:32:56,283 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:32:56" (1/1) ... [2023-12-02 23:32:56,283 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:32:56" (1/1) ... [2023-12-02 23:32:56,288 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:32:56" (1/1) ... [2023-12-02 23:32:56,290 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:32:56" (1/1) ... [2023-12-02 23:32:56,292 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:32:56" (1/1) ... [2023-12-02 23:32:56,293 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:32:56" (1/1) ... [2023-12-02 23:32:56,296 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:32:56,297 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:32:56,297 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:32:56,297 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:32:56,298 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:32:56" (1/1) ... [2023-12-02 23:32:56,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:32:56,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17363e66-e5e5-49e8-8ebe-7e17d93efd7a/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:32:56,328 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17363e66-e5e5-49e8-8ebe-7e17d93efd7a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:32:56,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17363e66-e5e5-49e8-8ebe-7e17d93efd7a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:32:56,361 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 23:32:56,361 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 23:32:56,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:32:56,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:32:56,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:32:56,362 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 23:32:56,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:32:56,491 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:32:56,493 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:32:56,665 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:32:56,827 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:32:56,828 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 23:32:56,829 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:32:56 BoogieIcfgContainer [2023-12-02 23:32:56,829 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:32:56,830 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:32:56,831 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:32:56,841 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:32:56,841 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:32:56" (1/1) ... [2023-12-02 23:32:56,850 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:32:56,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:32:56,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-02 23:32:56,907 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-02 23:32:56,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 23:32:56,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:32:56,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:32:57,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:32:57,168 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:32:57,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:32:57,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:32:57,307 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:32:57,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:32:57,353 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 23:32:57,374 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet100 [2023-12-02 23:32:57,379 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:32:57 ImpRootNode [2023-12-02 23:32:57,379 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:32:57,380 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:32:57,380 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:32:57,381 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:32:57,381 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:32:56" (3/4) ... [2023-12-02 23:32:57,383 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 23:32:57,384 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:32:57,385 INFO L158 Benchmark]: Toolchain (without parser) took 2224.32ms. Allocated memory is still 167.8MB. Free memory was 117.9MB in the beginning and 108.7MB in the end (delta: 9.2MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2023-12-02 23:32:57,386 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 67.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:32:57,386 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1058.02ms. Allocated memory is still 167.8MB. Free memory was 117.4MB in the beginning and 109.7MB in the end (delta: 7.7MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. [2023-12-02 23:32:57,387 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.67ms. Allocated memory is still 167.8MB. Free memory was 108.8MB in the beginning and 106.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:32:57,388 INFO L158 Benchmark]: Boogie Preprocessor took 23.78ms. Allocated memory is still 167.8MB. Free memory was 106.4MB in the beginning and 104.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:32:57,388 INFO L158 Benchmark]: RCFGBuilder took 532.57ms. Allocated memory is still 167.8MB. Free memory was 104.5MB in the beginning and 66.8MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-12-02 23:32:57,389 INFO L158 Benchmark]: CodeCheck took 549.20ms. Allocated memory is still 167.8MB. Free memory was 66.8MB in the beginning and 109.5MB in the end (delta: -42.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:32:57,389 INFO L158 Benchmark]: Witness Printer took 4.07ms. Allocated memory is still 167.8MB. Free memory was 109.5MB in the beginning and 108.7MB in the end (delta: 832.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:32:57,393 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: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1562, overapproximation of bitwiseOr 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); [L1562] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1562] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=13, argc=13, argv={12:14}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1563] CALL CWE191_Integer_Underflow__int_rand_sub_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE191_Integer_Underflow__int_rand_sub_61b_badSource(data) [L1569] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1569] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1569] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1569] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1569] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1570] return data; [L1553] RET, EXPR CWE191_Integer_Underflow__int_rand_sub_61b_badSource(data) [L1553] data = CWE191_Integer_Underflow__int_rand_sub_61b_badSource(data) [L1555] 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] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 67.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1058.02ms. Allocated memory is still 167.8MB. Free memory was 117.4MB in the beginning and 109.7MB in the end (delta: 7.7MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.67ms. Allocated memory is still 167.8MB. Free memory was 108.8MB in the beginning and 106.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.78ms. Allocated memory is still 167.8MB. Free memory was 106.4MB in the beginning and 104.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 532.57ms. Allocated memory is still 167.8MB. Free memory was 104.5MB in the beginning and 66.8MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * CodeCheck took 549.20ms. Allocated memory is still 167.8MB. Free memory was 66.8MB in the beginning and 109.5MB in the end (delta: -42.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.07ms. Allocated memory is still 167.8MB. Free memory was 109.5MB in the beginning and 108.7MB in the end (delta: 832.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet100 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 23:32:57,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17363e66-e5e5-49e8-8ebe-7e17d93efd7a/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_17363e66-e5e5-49e8-8ebe-7e17d93efd7a/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17363e66-e5e5-49e8-8ebe-7e17d93efd7a/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_17363e66-e5e5-49e8-8ebe-7e17d93efd7a/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17363e66-e5e5-49e8-8ebe-7e17d93efd7a/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17363e66-e5e5-49e8-8ebe-7e17d93efd7a/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_17363e66-e5e5-49e8-8ebe-7e17d93efd7a/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 989e6c455156ebae5504eabe977a595207f220711402a373c7b868b5dceff99a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:32:59,310 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:32:59,388 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17363e66-e5e5-49e8-8ebe-7e17d93efd7a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-02 23:32:59,421 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:32:59,422 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:32:59,423 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:32:59,424 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:32:59,424 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:32:59,425 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:32:59,426 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:32:59,426 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:32:59,427 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:32:59,427 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:32:59,428 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:32:59,428 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:32:59,429 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:32:59,429 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 23:32:59,430 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:32:59,430 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:32:59,431 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:32:59,432 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:32:59,432 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:32:59,433 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:32:59,433 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:32:59,434 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:32:59,434 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:32:59,434 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:32:59,435 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:32:59,435 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:32:59,436 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:32:59,436 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:32:59,437 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:32:59,437 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:32:59,437 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:32:59,437 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:32:59,438 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:32:59,438 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_17363e66-e5e5-49e8-8ebe-7e17d93efd7a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17363e66-e5e5-49e8-8ebe-7e17d93efd7a/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 989e6c455156ebae5504eabe977a595207f220711402a373c7b868b5dceff99a [2023-12-02 23:32:59,727 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:32:59,747 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:32:59,749 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:32:59,750 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:32:59,750 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:32:59,752 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17363e66-e5e5-49e8-8ebe-7e17d93efd7a/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_61_bad.i [2023-12-02 23:33:02,525 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:33:02,843 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:33:02,844 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17363e66-e5e5-49e8-8ebe-7e17d93efd7a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_61_bad.i [2023-12-02 23:33:02,866 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17363e66-e5e5-49e8-8ebe-7e17d93efd7a/bin/ukojak-verify-Qdu7aM0XO9/data/8d50612c6/10048f252fb74c32a839920e07a9f396/FLAGd59f4c9c8 [2023-12-02 23:33:02,881 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17363e66-e5e5-49e8-8ebe-7e17d93efd7a/bin/ukojak-verify-Qdu7aM0XO9/data/8d50612c6/10048f252fb74c32a839920e07a9f396 [2023-12-02 23:33:02,883 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:33:02,885 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:33:02,886 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:33:02,886 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:33:02,891 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:33:02,892 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:33:02" (1/1) ... [2023-12-02 23:33:02,893 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c5fa0ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:02, skipping insertion in model container [2023-12-02 23:33:02,893 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:33:02" (1/1) ... [2023-12-02 23:33:02,955 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:33:03,713 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:33:03,728 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:33:03,839 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:33:03,962 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:33:03,963 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:33:03,963 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:33:03,963 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:33:03,970 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:33:03,971 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:03 WrapperNode [2023-12-02 23:33:03,971 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:33:03,972 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:33:03,972 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:33:03,972 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:33:03,979 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:03" (1/1) ... [2023-12-02 23:33:04,007 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:03" (1/1) ... [2023-12-02 23:33:04,032 INFO L138 Inliner]: procedures = 504, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 63 [2023-12-02 23:33:04,032 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:33:04,033 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:33:04,033 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:33:04,033 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:33:04,042 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:03" (1/1) ... [2023-12-02 23:33:04,042 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:03" (1/1) ... [2023-12-02 23:33:04,047 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:03" (1/1) ... [2023-12-02 23:33:04,047 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:03" (1/1) ... [2023-12-02 23:33:04,058 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:03" (1/1) ... [2023-12-02 23:33:04,059 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:03" (1/1) ... [2023-12-02 23:33:04,063 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:03" (1/1) ... [2023-12-02 23:33:04,065 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:03" (1/1) ... [2023-12-02 23:33:04,070 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:33:04,071 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:33:04,071 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:33:04,071 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:33:04,072 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:03" (1/1) ... [2023-12-02 23:33:04,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:33:04,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17363e66-e5e5-49e8-8ebe-7e17d93efd7a/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:33:04,106 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17363e66-e5e5-49e8-8ebe-7e17d93efd7a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:33:04,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17363e66-e5e5-49e8-8ebe-7e17d93efd7a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:33:04,140 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 23:33:04,140 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 23:33:04,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:33:04,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:33:04,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:33:04,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:33:04,141 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 23:33:04,297 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:33:04,299 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:33:04,417 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:33:04,490 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:33:04,490 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 23:33:04,491 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:33:04 BoogieIcfgContainer [2023-12-02 23:33:04,491 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:33:04,492 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:33:04,492 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:33:04,499 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:33:04,500 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:33:04" (1/1) ... [2023-12-02 23:33:04,507 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:33:04,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:33:04,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-02 23:33:04,552 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-02 23:33:04,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 23:33:04,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:33:04,556 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:33:04,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17363e66-e5e5-49e8-8ebe-7e17d93efd7a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:33:04,580 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17363e66-e5e5-49e8-8ebe-7e17d93efd7a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:33:04,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17363e66-e5e5-49e8-8ebe-7e17d93efd7a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 23:33:04,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:33:04,755 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:33:04,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:33:04,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:33:04,892 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:33:04,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:33:04,932 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17363e66-e5e5-49e8-8ebe-7e17d93efd7a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 23:33:04,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17363e66-e5e5-49e8-8ebe-7e17d93efd7a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 23:33:04,945 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 23:33:04,967 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet98 [2023-12-02 23:33:04,972 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:33:04 ImpRootNode [2023-12-02 23:33:04,972 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:33:04,973 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:33:04,973 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:33:04,973 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:33:04,974 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:33:04" (3/4) ... [2023-12-02 23:33:04,976 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 23:33:04,977 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:33:04,978 INFO L158 Benchmark]: Toolchain (without parser) took 2093.06ms. Allocated memory is still 125.8MB. Free memory was 98.9MB in the beginning and 79.1MB in the end (delta: 19.9MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2023-12-02 23:33:04,978 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 69.2MB. Free memory was 45.2MB in the beginning and 45.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:33:04,979 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1085.08ms. Allocated memory is still 125.8MB. Free memory was 98.6MB in the beginning and 63.8MB in the end (delta: 34.8MB). Peak memory consumption was 39.9MB. Max. memory is 16.1GB. [2023-12-02 23:33:04,980 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.39ms. Allocated memory is still 125.8MB. Free memory was 63.8MB in the beginning and 60.4MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 23:33:04,980 INFO L158 Benchmark]: Boogie Preprocessor took 37.64ms. Allocated memory is still 125.8MB. Free memory was 60.4MB in the beginning and 59.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:33:04,981 INFO L158 Benchmark]: RCFGBuilder took 420.21ms. Allocated memory is still 125.8MB. Free memory was 59.1MB in the beginning and 94.8MB in the end (delta: -35.7MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2023-12-02 23:33:04,981 INFO L158 Benchmark]: CodeCheck took 480.41ms. Allocated memory is still 125.8MB. Free memory was 94.8MB in the beginning and 79.1MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 23:33:04,982 INFO L158 Benchmark]: Witness Printer took 4.11ms. Allocated memory is still 125.8MB. Free memory was 79.1MB in the beginning and 79.1MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:33:04,985 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: 0.4s, 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, 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: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1562. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1562] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1562] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=0, argc=0, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1563] CALL CWE191_Integer_Underflow__int_rand_sub_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE191_Integer_Underflow__int_rand_sub_61b_badSource(data) [L1569] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1569] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1569] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1570] return data; [L1553] RET, EXPR CWE191_Integer_Underflow__int_rand_sub_61b_badSource(data) [L1553] data = CWE191_Integer_Underflow__int_rand_sub_61b_badSource(data) [L1555] 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] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 69.2MB. Free memory was 45.2MB in the beginning and 45.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1085.08ms. Allocated memory is still 125.8MB. Free memory was 98.6MB in the beginning and 63.8MB in the end (delta: 34.8MB). Peak memory consumption was 39.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.39ms. Allocated memory is still 125.8MB. Free memory was 63.8MB in the beginning and 60.4MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.64ms. Allocated memory is still 125.8MB. Free memory was 60.4MB in the beginning and 59.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 420.21ms. Allocated memory is still 125.8MB. Free memory was 59.1MB in the beginning and 94.8MB in the end (delta: -35.7MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. * CodeCheck took 480.41ms. Allocated memory is still 125.8MB. Free memory was 94.8MB in the beginning and 79.1MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 4.11ms. Allocated memory is still 125.8MB. Free memory was 79.1MB in the beginning and 79.1MB in the end (delta: 2.7kB). 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 The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 23:33:05,003 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17363e66-e5e5-49e8-8ebe-7e17d93efd7a/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