./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_53_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_b1db9b32-f280-4376-aea7-6140b0a04f16/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1db9b32-f280-4376-aea7-6140b0a04f16/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_b1db9b32-f280-4376-aea7-6140b0a04f16/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1db9b32-f280-4376-aea7-6140b0a04f16/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1db9b32-f280-4376-aea7-6140b0a04f16/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_b1db9b32-f280-4376-aea7-6140b0a04f16/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 bd94392dae1f8038597832d2598893598df6d7760616e8a3ba0033b767755def --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:26:17,372 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:26:17,442 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1db9b32-f280-4376-aea7-6140b0a04f16/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 02:26:17,446 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:26:17,447 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:26:17,469 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:26:17,470 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:26:17,470 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:26:17,471 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:26:17,472 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:26:17,472 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:26:17,473 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:26:17,473 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:26:17,474 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:26:17,474 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:26:17,475 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:26:17,475 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:26:17,476 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 02:26:17,476 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 02:26:17,477 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:26:17,477 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:26:17,478 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:26:17,479 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:26:17,479 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:26:17,480 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:26:17,480 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:26:17,481 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:26:17,481 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:26:17,481 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:26:17,482 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:26:17,482 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:26:17,483 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:26:17,483 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_b1db9b32-f280-4376-aea7-6140b0a04f16/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1db9b32-f280-4376-aea7-6140b0a04f16/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd94392dae1f8038597832d2598893598df6d7760616e8a3ba0033b767755def [2023-12-03 02:26:17,696 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:26:17,717 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:26:17,720 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:26:17,721 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:26:17,721 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:26:17,722 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1db9b32-f280-4376-aea7-6140b0a04f16/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_53_bad.i [2023-12-03 02:26:20,539 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:26:20,843 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:26:20,844 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1db9b32-f280-4376-aea7-6140b0a04f16/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_53_bad.i [2023-12-03 02:26:20,869 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1db9b32-f280-4376-aea7-6140b0a04f16/bin/ukojak-verify-Qdu7aM0XO9/data/78eae52a4/242dcd043f414ef4b4dd3cf5365fc630/FLAGeeb7be926 [2023-12-03 02:26:20,884 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1db9b32-f280-4376-aea7-6140b0a04f16/bin/ukojak-verify-Qdu7aM0XO9/data/78eae52a4/242dcd043f414ef4b4dd3cf5365fc630 [2023-12-03 02:26:20,887 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:26:20,888 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:26:20,890 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:26:20,890 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:26:20,895 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:26:20,896 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:26:20" (1/1) ... [2023-12-03 02:26:20,897 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51e99be1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:26:20, skipping insertion in model container [2023-12-03 02:26:20,897 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:26:20" (1/1) ... [2023-12-03 02:26:20,977 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:26:21,696 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:26:21,707 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:26:21,785 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:26:21,927 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:26:21,928 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:26:21,928 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:26:21,928 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:26:21,936 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:26:21,936 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:26:21 WrapperNode [2023-12-03 02:26:21,936 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:26:21,937 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:26:21,937 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:26:21,937 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:26:21,944 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:26:21" (1/1) ... [2023-12-03 02:26:21,966 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:26:21" (1/1) ... [2023-12-03 02:26:21,991 INFO L138 Inliner]: procedures = 501, calls = 58, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 96 [2023-12-03 02:26:21,992 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:26:21,992 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:26:21,992 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:26:21,992 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:26:21,999 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:26:21" (1/1) ... [2023-12-03 02:26:22,000 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:26:21" (1/1) ... [2023-12-03 02:26:22,003 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:26:21" (1/1) ... [2023-12-03 02:26:22,004 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:26:21" (1/1) ... [2023-12-03 02:26:22,010 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:26:21" (1/1) ... [2023-12-03 02:26:22,012 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:26:21" (1/1) ... [2023-12-03 02:26:22,014 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:26:21" (1/1) ... [2023-12-03 02:26:22,016 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:26:21" (1/1) ... [2023-12-03 02:26:22,019 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:26:22,020 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:26:22,020 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:26:22,020 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:26:22,021 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:26:21" (1/1) ... [2023-12-03 02:26:22,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:26:22,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1db9b32-f280-4376-aea7-6140b0a04f16/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:26:22,052 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1db9b32-f280-4376-aea7-6140b0a04f16/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:26:22,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1db9b32-f280-4376-aea7-6140b0a04f16/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:26:22,091 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 02:26:22,091 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 02:26:22,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:26:22,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:26:22,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:26:22,092 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 02:26:22,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:26:22,227 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:26:22,229 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:26:22,412 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:26:22,576 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:26:22,576 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 02:26:22,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:26:22 BoogieIcfgContainer [2023-12-03 02:26:22,578 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:26:22,579 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:26:22,579 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:26:22,587 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:26:22,587 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:26:22" (1/1) ... [2023-12-03 02:26:22,595 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:26:22,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:26:22,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-03 02:26:22,639 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-03 02:26:22,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 02:26:22,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:26:22,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:26:22,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:26:22,869 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:26:22,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:26:23,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:26:23,024 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:26:23,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:26:23,074 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 02:26:23,093 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet111 [2023-12-03 02:26:23,098 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 02:26:23 ImpRootNode [2023-12-03 02:26:23,098 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 02:26:23,099 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 02:26:23,099 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 02:26:23,099 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 02:26:23,100 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:26:22" (3/4) ... [2023-12-03 02:26:23,102 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 02:26:23,103 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 02:26:23,103 INFO L158 Benchmark]: Toolchain (without parser) took 2215.14ms. Allocated memory is still 163.6MB. Free memory was 122.2MB in the beginning and 86.8MB in the end (delta: 35.4MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. [2023-12-03 02:26:23,104 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 125.8MB. Free memory is still 71.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:26:23,104 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1046.78ms. Allocated memory is still 163.6MB. Free memory was 122.2MB in the beginning and 101.2MB in the end (delta: 21.0MB). Peak memory consumption was 50.4MB. Max. memory is 16.1GB. [2023-12-03 02:26:23,105 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.78ms. Allocated memory is still 163.6MB. Free memory was 101.2MB in the beginning and 98.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 02:26:23,106 INFO L158 Benchmark]: Boogie Preprocessor took 27.13ms. Allocated memory is still 163.6MB. Free memory was 98.0MB in the beginning and 96.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:26:23,106 INFO L158 Benchmark]: RCFGBuilder took 558.10ms. Allocated memory is still 163.6MB. Free memory was 95.9MB in the beginning and 122.5MB in the end (delta: -26.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-12-03 02:26:23,107 INFO L158 Benchmark]: CodeCheck took 519.41ms. Allocated memory is still 163.6MB. Free memory was 122.5MB in the beginning and 87.6MB in the end (delta: 34.8MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-12-03 02:26:23,107 INFO L158 Benchmark]: Witness Printer took 3.62ms. Allocated memory is still 163.6MB. Free memory is still 86.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:26:23,110 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1578]: 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 1559, overapproximation of bitwiseOr at line 1553. 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_rand_multiply_53_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_multiply_53b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_rand_multiply_53c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_rand_multiply_53d_badSink(data) [L1576] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-1073741825, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1578] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-1073741825, data=-1073741825, 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 0.16ms. Allocated memory is still 125.8MB. Free memory is still 71.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1046.78ms. Allocated memory is still 163.6MB. Free memory was 122.2MB in the beginning and 101.2MB in the end (delta: 21.0MB). Peak memory consumption was 50.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.78ms. Allocated memory is still 163.6MB. Free memory was 101.2MB in the beginning and 98.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.13ms. Allocated memory is still 163.6MB. Free memory was 98.0MB in the beginning and 96.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 558.10ms. Allocated memory is still 163.6MB. Free memory was 95.9MB in the beginning and 122.5MB in the end (delta: -26.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 519.41ms. Allocated memory is still 163.6MB. Free memory was 122.5MB in the beginning and 87.6MB in the end (delta: 34.8MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 3.62ms. Allocated memory is still 163.6MB. Free memory is still 86.8MB. 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~nondet111 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 02:26:23,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1db9b32-f280-4376-aea7-6140b0a04f16/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_b1db9b32-f280-4376-aea7-6140b0a04f16/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1db9b32-f280-4376-aea7-6140b0a04f16/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_b1db9b32-f280-4376-aea7-6140b0a04f16/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1db9b32-f280-4376-aea7-6140b0a04f16/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1db9b32-f280-4376-aea7-6140b0a04f16/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_b1db9b32-f280-4376-aea7-6140b0a04f16/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 bd94392dae1f8038597832d2598893598df6d7760616e8a3ba0033b767755def --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:26:25,010 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:26:25,089 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1db9b32-f280-4376-aea7-6140b0a04f16/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 02:26:25,121 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:26:25,122 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:26:25,122 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:26:25,123 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:26:25,124 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:26:25,124 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:26:25,125 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:26:25,125 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:26:25,126 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:26:25,126 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:26:25,127 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:26:25,127 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 02:26:25,128 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 02:26:25,128 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 02:26:25,129 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 02:26:25,129 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 02:26:25,130 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:26:25,131 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:26:25,131 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:26:25,132 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:26:25,132 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:26:25,133 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:26:25,133 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 02:26:25,134 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:26:25,134 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:26:25,134 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:26:25,135 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:26:25,135 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:26:25,136 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 02:26:25,136 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:26:25,136 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:26:25,137 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 02:26:25,137 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 02:26:25,137 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_b1db9b32-f280-4376-aea7-6140b0a04f16/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1db9b32-f280-4376-aea7-6140b0a04f16/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd94392dae1f8038597832d2598893598df6d7760616e8a3ba0033b767755def [2023-12-03 02:26:25,408 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:26:25,427 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:26:25,429 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:26:25,430 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:26:25,431 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:26:25,432 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1db9b32-f280-4376-aea7-6140b0a04f16/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_53_bad.i [2023-12-03 02:26:28,223 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:26:28,576 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:26:28,576 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1db9b32-f280-4376-aea7-6140b0a04f16/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_53_bad.i [2023-12-03 02:26:28,602 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1db9b32-f280-4376-aea7-6140b0a04f16/bin/ukojak-verify-Qdu7aM0XO9/data/12fcb7ffc/f8cce55b44cc4f1abe33645c291272a7/FLAG2999eff29 [2023-12-03 02:26:28,618 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1db9b32-f280-4376-aea7-6140b0a04f16/bin/ukojak-verify-Qdu7aM0XO9/data/12fcb7ffc/f8cce55b44cc4f1abe33645c291272a7 [2023-12-03 02:26:28,620 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:26:28,622 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:26:28,623 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:26:28,623 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:26:28,628 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:26:28,629 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:26:28" (1/1) ... [2023-12-03 02:26:28,630 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7140087 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:26:28, skipping insertion in model container [2023-12-03 02:26:28,631 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:26:28" (1/1) ... [2023-12-03 02:26:28,705 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:26:29,457 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:26:29,472 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:26:29,552 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:26:29,686 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:26:29,686 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:26:29,686 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:26:29,686 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:26:29,694 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:26:29,694 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:26:29 WrapperNode [2023-12-03 02:26:29,694 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:26:29,695 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:26:29,695 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:26:29,695 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:26:29,700 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:26:29" (1/1) ... [2023-12-03 02:26:29,729 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:26:29" (1/1) ... [2023-12-03 02:26:29,752 INFO L138 Inliner]: procedures = 506, calls = 58, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 64 [2023-12-03 02:26:29,753 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:26:29,753 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:26:29,753 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:26:29,754 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:26:29,762 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:26:29" (1/1) ... [2023-12-03 02:26:29,763 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:26:29" (1/1) ... [2023-12-03 02:26:29,767 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:26:29" (1/1) ... [2023-12-03 02:26:29,767 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:26:29" (1/1) ... [2023-12-03 02:26:29,777 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:26:29" (1/1) ... [2023-12-03 02:26:29,779 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:26:29" (1/1) ... [2023-12-03 02:26:29,782 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:26:29" (1/1) ... [2023-12-03 02:26:29,784 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:26:29" (1/1) ... [2023-12-03 02:26:29,790 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:26:29,790 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:26:29,791 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:26:29,791 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:26:29,792 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:26:29" (1/1) ... [2023-12-03 02:26:29,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:26:29,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1db9b32-f280-4376-aea7-6140b0a04f16/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:26:29,824 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1db9b32-f280-4376-aea7-6140b0a04f16/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:26:29,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1db9b32-f280-4376-aea7-6140b0a04f16/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:26:29,859 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 02:26:29,859 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 02:26:29,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 02:26:29,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:26:29,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:26:29,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:26:29,860 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 02:26:30,006 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:26:30,008 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:26:30,125 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:26:30,192 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:26:30,192 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 02:26:30,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:26:30 BoogieIcfgContainer [2023-12-03 02:26:30,194 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:26:30,194 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:26:30,195 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:26:30,204 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:26:30,205 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:26:30" (1/1) ... [2023-12-03 02:26:30,213 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:26:30,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:26:30,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-03 02:26:30,269 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-03 02:26:30,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 02:26:30,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:26:30,274 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:26:30,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1db9b32-f280-4376-aea7-6140b0a04f16/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:26:30,275 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1db9b32-f280-4376-aea7-6140b0a04f16/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:26:30,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1db9b32-f280-4376-aea7-6140b0a04f16/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 02:26:30,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:26:30,454 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:26:30,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:26:30,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:26:30,577 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:26:30,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:26:30,617 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1db9b32-f280-4376-aea7-6140b0a04f16/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 02:26:30,626 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1db9b32-f280-4376-aea7-6140b0a04f16/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 02:26:30,628 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 02:26:30,647 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet105 [2023-12-03 02:26:30,653 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 02:26:30 ImpRootNode [2023-12-03 02:26:30,653 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 02:26:30,654 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 02:26:30,654 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 02:26:30,654 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 02:26:30,654 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:26:30" (3/4) ... [2023-12-03 02:26:30,656 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 02:26:30,657 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 02:26:30,657 INFO L158 Benchmark]: Toolchain (without parser) took 2035.63ms. Allocated memory is still 96.5MB. Free memory was 69.5MB in the beginning and 46.4MB in the end (delta: 23.1MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. [2023-12-03 02:26:30,658 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 65.0MB. Free memory is still 40.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:26:30,658 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1071.31ms. Allocated memory is still 96.5MB. Free memory was 69.1MB in the beginning and 57.4MB in the end (delta: 11.7MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. [2023-12-03 02:26:30,659 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.65ms. Allocated memory is still 96.5MB. Free memory was 57.0MB in the beginning and 53.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:26:30,660 INFO L158 Benchmark]: Boogie Preprocessor took 36.41ms. Allocated memory is still 96.5MB. Free memory was 53.9MB in the beginning and 51.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:26:30,660 INFO L158 Benchmark]: RCFGBuilder took 403.32ms. Allocated memory is still 96.5MB. Free memory was 51.8MB in the beginning and 63.1MB in the end (delta: -11.3MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2023-12-03 02:26:30,661 INFO L158 Benchmark]: CodeCheck took 458.68ms. Allocated memory is still 96.5MB. Free memory was 63.1MB in the beginning and 46.9MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 02:26:30,661 INFO L158 Benchmark]: Witness Printer took 2.95ms. Allocated memory is still 96.5MB. Free memory was 46.9MB in the beginning and 46.4MB in the end (delta: 561.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:26:30,665 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1578]: 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 1559. 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_rand_multiply_53_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_multiply_53b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_rand_multiply_53c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_rand_multiply_53d_badSink(data) [L1576] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-1073774592, data=-1073774592, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1578] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-1073774592, data=-1073774592, 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 0.19ms. Allocated memory is still 65.0MB. Free memory is still 40.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1071.31ms. Allocated memory is still 96.5MB. Free memory was 69.1MB in the beginning and 57.4MB in the end (delta: 11.7MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.65ms. Allocated memory is still 96.5MB. Free memory was 57.0MB in the beginning and 53.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.41ms. Allocated memory is still 96.5MB. Free memory was 53.9MB in the beginning and 51.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 403.32ms. Allocated memory is still 96.5MB. Free memory was 51.8MB in the beginning and 63.1MB in the end (delta: -11.3MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. * CodeCheck took 458.68ms. Allocated memory is still 96.5MB. Free memory was 63.1MB in the beginning and 46.9MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 2.95ms. Allocated memory is still 96.5MB. Free memory was 46.9MB in the beginning and 46.4MB in the end (delta: 561.5kB). 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~nondet105 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 02:26:30,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1db9b32-f280-4376-aea7-6140b0a04f16/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