./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_44_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_0ad8b399-c87a-4068-8d84-56f1ea830770/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ad8b399-c87a-4068-8d84-56f1ea830770/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ad8b399-c87a-4068-8d84-56f1ea830770/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ad8b399-c87a-4068-8d84-56f1ea830770/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ad8b399-c87a-4068-8d84-56f1ea830770/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ad8b399-c87a-4068-8d84-56f1ea830770/bin/ukojak-verify-i0I2FZA1j2 --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 b46d9056c51296d86959c0dc6477e58afd526030f4a24e2585b0578ae844a196 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:25:45,253 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:25:45,377 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ad8b399-c87a-4068-8d84-56f1ea830770/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:25:45,384 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:25:45,385 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:25:45,428 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:25:45,429 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:25:45,430 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:25:45,431 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:25:45,436 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:25:45,438 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:25:45,438 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:25:45,439 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:25:45,440 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:25:45,441 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:25:45,441 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:25:45,442 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:25:45,442 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:25:45,443 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:25:45,443 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:25:45,444 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:25:45,445 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:25:45,445 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:25:45,447 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:25:45,447 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:25:45,448 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:25:45,448 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:25:45,449 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:25:45,449 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:25:45,450 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:25:45,451 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:25:45,451 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:25:45,451 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_0ad8b399-c87a-4068-8d84-56f1ea830770/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ad8b399-c87a-4068-8d84-56f1ea830770/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b46d9056c51296d86959c0dc6477e58afd526030f4a24e2585b0578ae844a196 [2023-11-21 18:25:45,806 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:25:45,838 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:25:45,841 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:25:45,842 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:25:45,843 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:25:45,844 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ad8b399-c87a-4068-8d84-56f1ea830770/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_44_bad.i [2023-11-21 18:25:48,902 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:25:49,334 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:25:49,337 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ad8b399-c87a-4068-8d84-56f1ea830770/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_44_bad.i [2023-11-21 18:25:49,382 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ad8b399-c87a-4068-8d84-56f1ea830770/bin/ukojak-verify-i0I2FZA1j2/data/c73215308/01a0d28e73984331b46576b8dcae3298/FLAGe73af0988 [2023-11-21 18:25:49,407 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ad8b399-c87a-4068-8d84-56f1ea830770/bin/ukojak-verify-i0I2FZA1j2/data/c73215308/01a0d28e73984331b46576b8dcae3298 [2023-11-21 18:25:49,414 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:25:49,416 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:25:49,421 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:25:49,421 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:25:49,431 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:25:49,432 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:25:49" (1/1) ... [2023-11-21 18:25:49,433 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e0a5edb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:49, skipping insertion in model container [2023-11-21 18:25:49,434 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:25:49" (1/1) ... [2023-11-21 18:25:49,525 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:25:50,175 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:25:51,063 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:25:51,085 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:25:51,120 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:25:51,222 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:25:51,428 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:25:51,428 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:25:51,428 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:25:51,428 WARN L675 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:25:51,429 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:25:51,429 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:25:51,437 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:25:51,438 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:51 WrapperNode [2023-11-21 18:25:51,438 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:25:51,439 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:25:51,440 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:25:51,440 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:25:51,448 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:51" (1/1) ... [2023-11-21 18:25:51,498 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:51" (1/1) ... [2023-11-21 18:25:51,539 INFO L138 Inliner]: procedures = 501, calls = 58, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 94 [2023-11-21 18:25:51,540 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:25:51,541 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:25:51,541 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:25:51,542 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:25:51,557 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:51" (1/1) ... [2023-11-21 18:25:51,557 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:51" (1/1) ... [2023-11-21 18:25:51,566 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:51" (1/1) ... [2023-11-21 18:25:51,576 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:51" (1/1) ... [2023-11-21 18:25:51,583 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:51" (1/1) ... [2023-11-21 18:25:51,586 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:51" (1/1) ... [2023-11-21 18:25:51,590 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:51" (1/1) ... [2023-11-21 18:25:51,592 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:51" (1/1) ... [2023-11-21 18:25:51,597 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:25:51,598 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:25:51,598 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:25:51,598 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:25:51,599 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:51" (1/1) ... [2023-11-21 18:25:51,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:25:51,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ad8b399-c87a-4068-8d84-56f1ea830770/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:25:51,647 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ad8b399-c87a-4068-8d84-56f1ea830770/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:25:51,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ad8b399-c87a-4068-8d84-56f1ea830770/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:25:51,688 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 18:25:51,689 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 18:25:51,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:25:51,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:25:51,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:25:51,689 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 18:25:51,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:25:51,911 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:25:51,914 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:25:52,236 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:25:52,530 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:25:52,530 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:25:52,532 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:25:52 BoogieIcfgContainer [2023-11-21 18:25:52,533 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:25:52,534 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:25:52,535 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:25:52,548 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:25:52,549 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:25:52" (1/1) ... [2023-11-21 18:25:52,562 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:25:52,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:52,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-21 18:25:52,643 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-21 18:25:52,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:25:52,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:52,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:53,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:25:53,087 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:25:53,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:25:53,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:25:53,471 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:25:53,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:25:53,538 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-21 18:25:53,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:25:53 ImpRootNode [2023-11-21 18:25:53,578 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:25:53,581 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:25:53,582 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:25:53,582 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:25:53,583 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:25:52" (3/4) ... [2023-11-21 18:25:53,588 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 18:25:53,589 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:25:53,591 INFO L158 Benchmark]: Toolchain (without parser) took 4174.09ms. Allocated memory was 138.4MB in the beginning and 222.3MB in the end (delta: 83.9MB). Free memory was 96.2MB in the beginning and 140.8MB in the end (delta: -44.6MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. [2023-11-21 18:25:53,592 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 138.4MB. Free memory is still 108.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:25:53,593 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2017.40ms. Allocated memory was 138.4MB in the beginning and 222.3MB in the end (delta: 83.9MB). Free memory was 95.8MB in the beginning and 169.2MB in the end (delta: -73.5MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. [2023-11-21 18:25:53,594 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.16ms. Allocated memory is still 222.3MB. Free memory was 169.2MB in the beginning and 166.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:25:53,595 INFO L158 Benchmark]: Boogie Preprocessor took 55.71ms. Allocated memory is still 222.3MB. Free memory was 166.1MB in the beginning and 164.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:25:53,596 INFO L158 Benchmark]: RCFGBuilder took 935.18ms. Allocated memory is still 222.3MB. Free memory was 164.0MB in the beginning and 125.2MB in the end (delta: 38.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-21 18:25:53,597 INFO L158 Benchmark]: CodeCheck took 1044.05ms. Allocated memory is still 222.3MB. Free memory was 125.2MB in the beginning and 140.8MB in the end (delta: -15.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:25:53,598 INFO L158 Benchmark]: Witness Printer took 8.59ms. Allocated memory is still 222.3MB. Free memory is still 140.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:25:53,604 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: 1.0s, 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: 1551]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1561. 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); [L1567] 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) [L1567] 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] [L1568] CALL CWE191_Integer_Underflow__int_rand_predec_44_bad() [L1558] int data; [L1559] void (*funcPtr) (int) = badSink; [L1560] data = 0 [L1561] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1561] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1561] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1561] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1561] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1562] CALL funcPtr(data) [L1551] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, 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 0.32ms. Allocated memory is still 138.4MB. Free memory is still 108.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2017.40ms. Allocated memory was 138.4MB in the beginning and 222.3MB in the end (delta: 83.9MB). Free memory was 95.8MB in the beginning and 169.2MB in the end (delta: -73.5MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.16ms. Allocated memory is still 222.3MB. Free memory was 169.2MB in the beginning and 166.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.71ms. Allocated memory is still 222.3MB. Free memory was 166.1MB in the beginning and 164.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 935.18ms. Allocated memory is still 222.3MB. Free memory was 164.0MB in the beginning and 125.2MB in the end (delta: 38.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * CodeCheck took 1044.05ms. Allocated memory is still 222.3MB. Free memory was 125.2MB in the beginning and 140.8MB in the end (delta: -15.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.59ms. Allocated memory is still 222.3MB. Free memory is still 140.8MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-21 18:25:53,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ad8b399-c87a-4068-8d84-56f1ea830770/bin/ukojak-verify-i0I2FZA1j2/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_0ad8b399-c87a-4068-8d84-56f1ea830770/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ad8b399-c87a-4068-8d84-56f1ea830770/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ad8b399-c87a-4068-8d84-56f1ea830770/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ad8b399-c87a-4068-8d84-56f1ea830770/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ad8b399-c87a-4068-8d84-56f1ea830770/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ad8b399-c87a-4068-8d84-56f1ea830770/bin/ukojak-verify-i0I2FZA1j2 --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 b46d9056c51296d86959c0dc6477e58afd526030f4a24e2585b0578ae844a196 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:25:56,706 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:25:56,837 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ad8b399-c87a-4068-8d84-56f1ea830770/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-21 18:25:56,899 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:25:56,900 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:25:56,901 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:25:56,902 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:25:56,903 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:25:56,904 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:25:56,909 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:25:56,910 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:25:56,911 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:25:56,911 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:25:56,913 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:25:56,914 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:25:56,914 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:25:56,915 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:25:56,915 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:25:56,916 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:25:56,917 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:25:56,917 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:25:56,919 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:25:56,919 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:25:56,920 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:25:56,920 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:25:56,920 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:25:56,921 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:25:56,921 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:25:56,922 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:25:56,922 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:25:56,924 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:25:56,924 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:25:56,925 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:25:56,925 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:25:56,925 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:25:56,926 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:25:56,926 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_0ad8b399-c87a-4068-8d84-56f1ea830770/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ad8b399-c87a-4068-8d84-56f1ea830770/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b46d9056c51296d86959c0dc6477e58afd526030f4a24e2585b0578ae844a196 [2023-11-21 18:25:57,385 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:25:57,423 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:25:57,426 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:25:57,428 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:25:57,429 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:25:57,431 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ad8b399-c87a-4068-8d84-56f1ea830770/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_44_bad.i [2023-11-21 18:26:00,661 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:26:01,215 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:26:01,215 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ad8b399-c87a-4068-8d84-56f1ea830770/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_44_bad.i [2023-11-21 18:26:01,251 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ad8b399-c87a-4068-8d84-56f1ea830770/bin/ukojak-verify-i0I2FZA1j2/data/a1b6b2830/d34ae9cc2c3a485f9d5f0efa422f727a/FLAGf6b80880a [2023-11-21 18:26:01,272 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ad8b399-c87a-4068-8d84-56f1ea830770/bin/ukojak-verify-i0I2FZA1j2/data/a1b6b2830/d34ae9cc2c3a485f9d5f0efa422f727a [2023-11-21 18:26:01,280 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:26:01,282 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:26:01,287 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:26:01,289 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:26:01,294 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:26:01,295 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:26:01" (1/1) ... [2023-11-21 18:26:01,296 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7123e507 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:01, skipping insertion in model container [2023-11-21 18:26:01,296 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:26:01" (1/1) ... [2023-11-21 18:26:01,387 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:26:01,880 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:26:02,811 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:26:02,842 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:26:02,881 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:26:03,010 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:26:03,145 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:26:03,145 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:26:03,145 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:26:03,146 WARN L675 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:26:03,146 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:26:03,146 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:26:03,154 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:26:03,155 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:03 WrapperNode [2023-11-21 18:26:03,155 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:26:03,156 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:26:03,157 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:26:03,157 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:26:03,164 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:03" (1/1) ... [2023-11-21 18:26:03,206 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:03" (1/1) ... [2023-11-21 18:26:03,255 INFO L138 Inliner]: procedures = 506, calls = 58, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 62 [2023-11-21 18:26:03,256 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:26:03,257 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:26:03,257 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:26:03,257 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:26:03,265 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:03" (1/1) ... [2023-11-21 18:26:03,270 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:03" (1/1) ... [2023-11-21 18:26:03,276 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:03" (1/1) ... [2023-11-21 18:26:03,277 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:03" (1/1) ... [2023-11-21 18:26:03,286 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:03" (1/1) ... [2023-11-21 18:26:03,288 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:03" (1/1) ... [2023-11-21 18:26:03,314 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:03" (1/1) ... [2023-11-21 18:26:03,316 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:03" (1/1) ... [2023-11-21 18:26:03,321 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:26:03,322 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:26:03,322 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:26:03,322 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:26:03,323 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:03" (1/1) ... [2023-11-21 18:26:03,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:26:03,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ad8b399-c87a-4068-8d84-56f1ea830770/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:26:03,357 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ad8b399-c87a-4068-8d84-56f1ea830770/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:26:03,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ad8b399-c87a-4068-8d84-56f1ea830770/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:26:03,415 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 18:26:03,416 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 18:26:03,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:26:03,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:26:03,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:26:03,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:26:03,416 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 18:26:03,615 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:26:03,618 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:26:03,827 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:26:03,945 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:26:03,952 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:26:03,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:26:03 BoogieIcfgContainer [2023-11-21 18:26:03,955 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:26:03,955 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:26:03,956 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:26:03,967 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:26:03,967 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:26:03" (1/1) ... [2023-11-21 18:26:03,977 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:26:04,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:04,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-21 18:26:04,056 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-21 18:26:04,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:26:04,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:04,063 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:26:04,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ad8b399-c87a-4068-8d84-56f1ea830770/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:26:04,069 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ad8b399-c87a-4068-8d84-56f1ea830770/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:26:04,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ad8b399-c87a-4068-8d84-56f1ea830770/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-21 18:26:04,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:26:04,305 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:26:04,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:26:04,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:26:04,468 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:26:04,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:26:04,516 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ad8b399-c87a-4068-8d84-56f1ea830770/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:26:04,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ad8b399-c87a-4068-8d84-56f1ea830770/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-21 18:26:04,525 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-21 18:26:04,561 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:26:04 ImpRootNode [2023-11-21 18:26:04,561 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:26:04,563 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:26:04,563 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:26:04,563 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:26:04,564 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:26:03" (3/4) ... [2023-11-21 18:26:04,565 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-21 18:26:04,642 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ad8b399-c87a-4068-8d84-56f1ea830770/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:26:04,642 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:26:04,644 INFO L158 Benchmark]: Toolchain (without parser) took 3361.21ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 51.6MB in the beginning and 53.8MB in the end (delta: -2.1MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2023-11-21 18:26:04,644 INFO L158 Benchmark]: CDTParser took 0.73ms. Allocated memory is still 79.7MB. Free memory is still 55.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:26:04,644 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1868.32ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 51.5MB in the beginning and 45.3MB in the end (delta: 6.2MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2023-11-21 18:26:04,645 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.63ms. Allocated memory is still 96.5MB. Free memory was 45.3MB in the beginning and 67.8MB in the end (delta: -22.5MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2023-11-21 18:26:04,645 INFO L158 Benchmark]: Boogie Preprocessor took 64.18ms. Allocated memory is still 96.5MB. Free memory was 67.8MB in the beginning and 66.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:26:04,646 INFO L158 Benchmark]: RCFGBuilder took 633.22ms. Allocated memory is still 96.5MB. Free memory was 65.7MB in the beginning and 46.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-21 18:26:04,646 INFO L158 Benchmark]: CodeCheck took 605.48ms. Allocated memory is still 96.5MB. Free memory was 46.8MB in the beginning and 55.9MB in the end (delta: -9.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:26:04,647 INFO L158 Benchmark]: Witness Printer took 79.59ms. Allocated memory is still 96.5MB. Free memory was 55.9MB in the beginning and 53.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:26:04,654 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 - CounterExampleResult [Line: 1551]: integer overflow possible integer overflow possible We found a 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); [L1567] 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) [L1567] 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] [L1568] CALL CWE191_Integer_Underflow__int_rand_predec_44_bad() [L1558] int data; [L1559] void (*funcPtr) (int) = badSink; [L1560] data = 0 [L1561] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1561] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1561] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1562] CALL funcPtr(data) [L1551] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, 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 0.73ms. Allocated memory is still 79.7MB. Free memory is still 55.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1868.32ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 51.5MB in the beginning and 45.3MB in the end (delta: 6.2MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.63ms. Allocated memory is still 96.5MB. Free memory was 45.3MB in the beginning and 67.8MB in the end (delta: -22.5MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.18ms. Allocated memory is still 96.5MB. Free memory was 67.8MB in the beginning and 66.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 633.22ms. Allocated memory is still 96.5MB. Free memory was 65.7MB in the beginning and 46.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 605.48ms. Allocated memory is still 96.5MB. Free memory was 46.8MB in the beginning and 55.9MB in the end (delta: -9.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 79.59ms. Allocated memory is still 96.5MB. Free memory was 55.9MB in the beginning and 53.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-21 18:26:04,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ad8b399-c87a-4068-8d84-56f1ea830770/bin/ukojak-verify-i0I2FZA1j2/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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)