./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_01_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_439b636d-28f6-4933-aa62-a91f1391ae8a/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_439b636d-28f6-4933-aa62-a91f1391ae8a/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_439b636d-28f6-4933-aa62-a91f1391ae8a/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_439b636d-28f6-4933-aa62-a91f1391ae8a/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_01_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_439b636d-28f6-4933-aa62-a91f1391ae8a/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_439b636d-28f6-4933-aa62-a91f1391ae8a/bin/ukojak-verify-afCqCEvfdi --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 0ac740a3b1a14f8d2a150055a480c2f2925c92c6a0ac6b2d4ac1379fa5b4336c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:13:27,850 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:13:27,947 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_439b636d-28f6-4933-aa62-a91f1391ae8a/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 23:13:27,955 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:13:27,958 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:13:28,003 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:13:28,004 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:13:28,005 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:13:28,006 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:13:28,006 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:13:28,007 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:13:28,008 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:13:28,008 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:13:28,009 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:13:28,010 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:13:28,010 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:13:28,011 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:13:28,011 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:13:28,012 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:13:28,031 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:13:28,036 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:13:28,037 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:13:28,037 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:13:28,038 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:13:28,038 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:13:28,039 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:13:28,039 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:13:28,040 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:13:28,040 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:13:28,041 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:13:28,041 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:13:28,042 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:13:28,043 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_439b636d-28f6-4933-aa62-a91f1391ae8a/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_439b636d-28f6-4933-aa62-a91f1391ae8a/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ac740a3b1a14f8d2a150055a480c2f2925c92c6a0ac6b2d4ac1379fa5b4336c [2023-11-24 23:13:28,364 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:13:28,400 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:13:28,403 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:13:28,404 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:13:28,405 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:13:28,406 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_439b636d-28f6-4933-aa62-a91f1391ae8a/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_01_bad.i [2023-11-24 23:13:31,642 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:13:32,130 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:13:32,134 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_439b636d-28f6-4933-aa62-a91f1391ae8a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_01_bad.i [2023-11-24 23:13:32,172 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_439b636d-28f6-4933-aa62-a91f1391ae8a/bin/ukojak-verify-afCqCEvfdi/data/016b69cd0/8d22cd8c14164cbdbb2ebf166a40f9ac/FLAG32bfed2be [2023-11-24 23:13:32,191 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_439b636d-28f6-4933-aa62-a91f1391ae8a/bin/ukojak-verify-afCqCEvfdi/data/016b69cd0/8d22cd8c14164cbdbb2ebf166a40f9ac [2023-11-24 23:13:32,200 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:13:32,203 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:13:32,205 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:13:32,205 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:13:32,210 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:13:32,211 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:13:32" (1/1) ... [2023-11-24 23:13:32,212 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41ff7cd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:32, skipping insertion in model container [2023-11-24 23:13:32,213 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:13:32" (1/1) ... [2023-11-24 23:13:32,312 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:13:33,285 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:13:33,297 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:13:33,384 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:13:33,538 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:13:33,538 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:13:33,538 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:13:33,539 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:13:33,547 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:13:33,547 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:33 WrapperNode [2023-11-24 23:13:33,548 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:13:33,549 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:13:33,549 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:13:33,549 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:13:33,556 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:33" (1/1) ... [2023-11-24 23:13:33,587 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:33" (1/1) ... [2023-11-24 23:13:33,616 INFO L138 Inliner]: procedures = 498, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 89 [2023-11-24 23:13:33,617 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:13:33,618 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:13:33,618 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:13:33,618 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:13:33,627 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:33" (1/1) ... [2023-11-24 23:13:33,627 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:33" (1/1) ... [2023-11-24 23:13:33,631 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:33" (1/1) ... [2023-11-24 23:13:33,632 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:33" (1/1) ... [2023-11-24 23:13:33,638 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:33" (1/1) ... [2023-11-24 23:13:33,641 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:33" (1/1) ... [2023-11-24 23:13:33,644 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:33" (1/1) ... [2023-11-24 23:13:33,645 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:33" (1/1) ... [2023-11-24 23:13:33,649 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:13:33,649 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:13:33,650 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:13:33,650 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:13:33,651 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:33" (1/1) ... [2023-11-24 23:13:33,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:13:33,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_439b636d-28f6-4933-aa62-a91f1391ae8a/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:13:33,734 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_439b636d-28f6-4933-aa62-a91f1391ae8a/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:13:33,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_439b636d-28f6-4933-aa62-a91f1391ae8a/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:13:33,814 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:13:33,814 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:13:33,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:13:33,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:13:33,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:13:33,816 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:13:33,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:13:34,022 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:13:34,024 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:13:34,281 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:13:34,585 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:13:34,585 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:13:34,587 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:13:34 BoogieIcfgContainer [2023-11-24 23:13:34,587 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:13:34,588 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:13:34,588 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:13:34,598 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:13:34,598 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:13:34" (1/1) ... [2023-11-24 23:13:34,607 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:13:34,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:34,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-24 23:13:34,665 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-24 23:13:34,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:13:34,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:34,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:35,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:13:35,031 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:13:35,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:13:35,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:13:35,349 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:13:35,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:13:35,420 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:13:35,452 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet111 [2023-11-24 23:13:35,459 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:13:35 ImpRootNode [2023-11-24 23:13:35,459 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:13:35,464 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:13:35,464 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:13:35,464 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:13:35,465 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:13:34" (3/4) ... [2023-11-24 23:13:35,470 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:13:35,472 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:13:35,474 INFO L158 Benchmark]: Toolchain (without parser) took 3270.48ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 128.7MB in the beginning and 153.2MB in the end (delta: -24.6MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2023-11-24 23:13:35,474 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 125.8MB. Free memory is still 98.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:13:35,475 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1343.42ms. Allocated memory is still 161.5MB. Free memory was 128.7MB in the beginning and 121.8MB in the end (delta: 6.9MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2023-11-24 23:13:35,476 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.19ms. Allocated memory is still 161.5MB. Free memory was 121.8MB in the beginning and 118.5MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:13:35,477 INFO L158 Benchmark]: Boogie Preprocessor took 31.26ms. Allocated memory is still 161.5MB. Free memory was 118.5MB in the beginning and 116.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:13:35,477 INFO L158 Benchmark]: RCFGBuilder took 937.50ms. Allocated memory is still 161.5MB. Free memory was 116.5MB in the beginning and 93.1MB in the end (delta: 23.4MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. [2023-11-24 23:13:35,479 INFO L158 Benchmark]: CodeCheck took 872.48ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 93.1MB in the beginning and 154.3MB in the end (delta: -61.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:13:35,480 INFO L158 Benchmark]: Witness Printer took 8.64ms. Allocated memory is still 195.0MB. Free memory was 154.3MB in the beginning and 153.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:13:35,490 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: 0.8s, 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: 1554]: 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 1561, overapproximation of bitwiseOr at line 1552. 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); [L1561] 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) [L1561] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=12, argc=12, argv={13:14}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE191_Integer_Underflow__int_rand_sub_01_bad() [L1550] int data; [L1551] data = 0 [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1552] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 125.8MB. Free memory is still 98.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1343.42ms. Allocated memory is still 161.5MB. Free memory was 128.7MB in the beginning and 121.8MB in the end (delta: 6.9MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.19ms. Allocated memory is still 161.5MB. Free memory was 121.8MB in the beginning and 118.5MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.26ms. Allocated memory is still 161.5MB. Free memory was 118.5MB in the beginning and 116.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 937.50ms. Allocated memory is still 161.5MB. Free memory was 116.5MB in the beginning and 93.1MB in the end (delta: 23.4MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. * CodeCheck took 872.48ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 93.1MB in the beginning and 154.3MB in the end (delta: -61.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.64ms. Allocated memory is still 195.0MB. Free memory was 154.3MB in the beginning and 153.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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 [2023-11-24 23:13:35,525 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_439b636d-28f6-4933-aa62-a91f1391ae8a/bin/ukojak-verify-afCqCEvfdi/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_439b636d-28f6-4933-aa62-a91f1391ae8a/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_439b636d-28f6-4933-aa62-a91f1391ae8a/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_439b636d-28f6-4933-aa62-a91f1391ae8a/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_439b636d-28f6-4933-aa62-a91f1391ae8a/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_01_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_439b636d-28f6-4933-aa62-a91f1391ae8a/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_439b636d-28f6-4933-aa62-a91f1391ae8a/bin/ukojak-verify-afCqCEvfdi --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 0ac740a3b1a14f8d2a150055a480c2f2925c92c6a0ac6b2d4ac1379fa5b4336c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:13:38,419 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:13:38,517 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_439b636d-28f6-4933-aa62-a91f1391ae8a/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 23:13:38,556 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:13:38,557 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:13:38,558 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:13:38,559 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:13:38,560 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:13:38,561 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:13:38,562 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:13:38,563 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:13:38,563 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:13:38,564 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:13:38,565 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:13:38,565 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:13:38,566 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:13:38,567 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:13:38,567 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:13:38,568 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:13:38,569 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:13:38,570 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:13:38,570 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:13:38,571 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:13:38,572 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:13:38,573 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:13:38,573 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:13:38,574 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:13:38,575 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:13:38,576 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:13:38,577 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:13:38,577 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:13:38,578 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:13:38,579 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:13:38,579 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:13:38,580 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:13:38,581 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:13:38,581 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_439b636d-28f6-4933-aa62-a91f1391ae8a/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_439b636d-28f6-4933-aa62-a91f1391ae8a/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ac740a3b1a14f8d2a150055a480c2f2925c92c6a0ac6b2d4ac1379fa5b4336c [2023-11-24 23:13:39,042 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:13:39,083 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:13:39,086 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:13:39,088 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:13:39,089 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:13:39,091 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_439b636d-28f6-4933-aa62-a91f1391ae8a/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_01_bad.i [2023-11-24 23:13:42,615 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:13:43,114 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:13:43,115 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_439b636d-28f6-4933-aa62-a91f1391ae8a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_01_bad.i [2023-11-24 23:13:43,149 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_439b636d-28f6-4933-aa62-a91f1391ae8a/bin/ukojak-verify-afCqCEvfdi/data/4cb6a27bc/dc4beaac6c7b41b8954cc647822543be/FLAG06ad20a80 [2023-11-24 23:13:43,171 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_439b636d-28f6-4933-aa62-a91f1391ae8a/bin/ukojak-verify-afCqCEvfdi/data/4cb6a27bc/dc4beaac6c7b41b8954cc647822543be [2023-11-24 23:13:43,178 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:13:43,181 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:13:43,185 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:13:43,186 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:13:43,191 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:13:43,192 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:13:43" (1/1) ... [2023-11-24 23:13:43,193 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@787b4d81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:43, skipping insertion in model container [2023-11-24 23:13:43,194 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:13:43" (1/1) ... [2023-11-24 23:13:43,291 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:13:44,833 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:13:44,861 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:13:45,020 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:13:45,272 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:13:45,273 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:13:45,273 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:13:45,273 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:13:45,309 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:13:45,310 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:45 WrapperNode [2023-11-24 23:13:45,310 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:13:45,312 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:13:45,312 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:13:45,312 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:13:45,321 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:45" (1/1) ... [2023-11-24 23:13:45,391 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:45" (1/1) ... [2023-11-24 23:13:45,439 INFO L138 Inliner]: procedures = 503, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2023-11-24 23:13:45,443 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:13:45,444 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:13:45,444 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:13:45,445 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:13:45,456 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:45" (1/1) ... [2023-11-24 23:13:45,457 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:45" (1/1) ... [2023-11-24 23:13:45,470 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:45" (1/1) ... [2023-11-24 23:13:45,471 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:45" (1/1) ... [2023-11-24 23:13:45,489 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:45" (1/1) ... [2023-11-24 23:13:45,504 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:45" (1/1) ... [2023-11-24 23:13:45,509 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:45" (1/1) ... [2023-11-24 23:13:45,510 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:45" (1/1) ... [2023-11-24 23:13:45,515 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:13:45,522 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:13:45,522 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:13:45,522 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:13:45,523 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:45" (1/1) ... [2023-11-24 23:13:45,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:13:45,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_439b636d-28f6-4933-aa62-a91f1391ae8a/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:13:45,561 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_439b636d-28f6-4933-aa62-a91f1391ae8a/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:13:45,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_439b636d-28f6-4933-aa62-a91f1391ae8a/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:13:45,610 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:13:45,610 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:13:45,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:13:45,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:13:45,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:13:45,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:13:45,611 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:13:45,781 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:13:45,784 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:13:45,988 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:13:46,125 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:13:46,125 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:13:46,128 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:13:46 BoogieIcfgContainer [2023-11-24 23:13:46,128 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:13:46,130 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:13:46,130 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:13:46,142 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:13:46,144 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:13:46" (1/1) ... [2023-11-24 23:13:46,156 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:13:46,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:46,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-24 23:13:46,245 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-24 23:13:46,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:13:46,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:46,255 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:13:46,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_439b636d-28f6-4933-aa62-a91f1391ae8a/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:13:46,259 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_439b636d-28f6-4933-aa62-a91f1391ae8a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:13:46,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_439b636d-28f6-4933-aa62-a91f1391ae8a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 23:13:46,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:13:46,538 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:13:46,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:13:46,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:13:46,749 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:13:46,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:13:46,832 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_439b636d-28f6-4933-aa62-a91f1391ae8a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:13:46,833 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:13:46,863 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet105 [2023-11-24 23:13:46,871 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:13:46 ImpRootNode [2023-11-24 23:13:46,871 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:13:46,874 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:13:46,875 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:13:46,875 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:13:46,876 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:13:46" (3/4) ... [2023-11-24 23:13:46,879 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:13:46,880 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:13:46,881 INFO L158 Benchmark]: Toolchain (without parser) took 3699.67ms. Allocated memory was 79.7MB in the beginning and 109.1MB in the end (delta: 29.4MB). Free memory was 51.5MB in the beginning and 72.8MB in the end (delta: -21.2MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2023-11-24 23:13:46,882 INFO L158 Benchmark]: CDTParser took 0.78ms. Allocated memory is still 79.7MB. Free memory was 55.5MB in the beginning and 55.4MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:13:46,884 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2125.46ms. Allocated memory was 79.7MB in the beginning and 109.1MB in the end (delta: 29.4MB). Free memory was 51.3MB in the beginning and 81.1MB in the end (delta: -29.8MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. [2023-11-24 23:13:46,884 INFO L158 Benchmark]: Boogie Procedure Inliner took 131.66ms. Allocated memory is still 109.1MB. Free memory was 81.1MB in the beginning and 77.9MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:13:46,885 INFO L158 Benchmark]: Boogie Preprocessor took 70.71ms. Allocated memory is still 109.1MB. Free memory was 77.9MB in the beginning and 75.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:13:46,886 INFO L158 Benchmark]: RCFGBuilder took 605.98ms. Allocated memory is still 109.1MB. Free memory was 75.8MB in the beginning and 58.1MB in the end (delta: 17.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-24 23:13:46,887 INFO L158 Benchmark]: CodeCheck took 741.56ms. Allocated memory is still 109.1MB. Free memory was 58.1MB in the beginning and 73.5MB in the end (delta: -15.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:13:46,888 INFO L158 Benchmark]: Witness Printer took 5.82ms. Allocated memory is still 109.1MB. Free memory was 73.5MB in the beginning and 72.8MB in the end (delta: 708.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:13:46,896 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: 0.7s, 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: 1554]: 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 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); [L1561] 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) [L1561] 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] [L1562] CALL CWE191_Integer_Underflow__int_rand_sub_01_bad() [L1550] int data; [L1551] data = 0 [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.78ms. Allocated memory is still 79.7MB. Free memory was 55.5MB in the beginning and 55.4MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2125.46ms. Allocated memory was 79.7MB in the beginning and 109.1MB in the end (delta: 29.4MB). Free memory was 51.3MB in the beginning and 81.1MB in the end (delta: -29.8MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 131.66ms. Allocated memory is still 109.1MB. Free memory was 81.1MB in the beginning and 77.9MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.71ms. Allocated memory is still 109.1MB. Free memory was 77.9MB in the beginning and 75.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 605.98ms. Allocated memory is still 109.1MB. Free memory was 75.8MB in the beginning and 58.1MB in the end (delta: 17.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 741.56ms. Allocated memory is still 109.1MB. Free memory was 58.1MB in the beginning and 73.5MB in the end (delta: -15.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.82ms. Allocated memory is still 109.1MB. Free memory was 73.5MB in the beginning and 72.8MB in the end (delta: 708.7kB). Peak memory consumption was 2.1MB. 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 [2023-11-24 23:13:46,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_439b636d-28f6-4933-aa62-a91f1391ae8a/bin/ukojak-verify-afCqCEvfdi/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 Result: UNKNOWN: Overapproximated counterexample