./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_10_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_18397329-68d4-44dd-97fb-41340e0a0f04/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18397329-68d4-44dd-97fb-41340e0a0f04/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_18397329-68d4-44dd-97fb-41340e0a0f04/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18397329-68d4-44dd-97fb-41340e0a0f04/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_10_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18397329-68d4-44dd-97fb-41340e0a0f04/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_18397329-68d4-44dd-97fb-41340e0a0f04/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 99447df758016b1226a8e61ffa6372b526d7654f10ba3fef78e591eb88093ceb --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:00:11,597 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:00:11,675 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18397329-68d4-44dd-97fb-41340e0a0f04/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 23:00:11,684 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:00:11,685 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:00:11,728 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:00:11,730 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:00:11,731 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:00:11,732 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:00:11,737 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:00:11,739 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:00:11,739 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:00:11,740 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:00:11,742 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:00:11,742 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:00:11,743 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:00:11,743 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:00:11,744 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:00:11,744 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:00:11,745 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:00:11,745 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:00:11,747 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:00:11,748 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:00:11,749 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:00:11,749 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:00:11,750 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:00:11,751 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:00:11,751 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:00:11,752 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:00:11,752 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:00:11,753 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:00:11,754 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:00:11,754 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_18397329-68d4-44dd-97fb-41340e0a0f04/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18397329-68d4-44dd-97fb-41340e0a0f04/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99447df758016b1226a8e61ffa6372b526d7654f10ba3fef78e591eb88093ceb [2023-11-24 23:00:12,137 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:00:12,173 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:00:12,176 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:00:12,178 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:00:12,178 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:00:12,180 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18397329-68d4-44dd-97fb-41340e0a0f04/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_10_bad.i [2023-11-24 23:00:15,272 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:00:15,770 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:00:15,771 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18397329-68d4-44dd-97fb-41340e0a0f04/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_10_bad.i [2023-11-24 23:00:15,801 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18397329-68d4-44dd-97fb-41340e0a0f04/bin/ukojak-verify-afCqCEvfdi/data/97c78bfeb/54ba7d7ef5dc489cad8009ee3379469e/FLAG7f52d2532 [2023-11-24 23:00:15,830 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18397329-68d4-44dd-97fb-41340e0a0f04/bin/ukojak-verify-afCqCEvfdi/data/97c78bfeb/54ba7d7ef5dc489cad8009ee3379469e [2023-11-24 23:00:15,832 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:00:15,833 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:00:15,835 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:00:15,835 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:00:15,840 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:00:15,841 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:00:15" (1/1) ... [2023-11-24 23:00:15,842 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5118d57d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:15, skipping insertion in model container [2023-11-24 23:00:15,843 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:00:15" (1/1) ... [2023-11-24 23:00:15,928 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:00:17,037 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:00:17,056 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:00:17,195 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:00:17,344 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:00:17,345 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:00:17,345 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:00:17,345 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:00:17,353 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:00:17,354 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:17 WrapperNode [2023-11-24 23:00:17,354 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:00:17,355 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:00:17,355 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:00:17,355 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:00:17,361 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:17" (1/1) ... [2023-11-24 23:00:17,415 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:17" (1/1) ... [2023-11-24 23:00:17,456 INFO L138 Inliner]: procedures = 498, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 94 [2023-11-24 23:00:17,457 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:00:17,458 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:00:17,458 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:00:17,459 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:00:17,469 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:17" (1/1) ... [2023-11-24 23:00:17,470 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:17" (1/1) ... [2023-11-24 23:00:17,473 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:17" (1/1) ... [2023-11-24 23:00:17,474 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:17" (1/1) ... [2023-11-24 23:00:17,480 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:17" (1/1) ... [2023-11-24 23:00:17,482 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:17" (1/1) ... [2023-11-24 23:00:17,491 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:17" (1/1) ... [2023-11-24 23:00:17,493 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:17" (1/1) ... [2023-11-24 23:00:17,496 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:00:17,497 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:00:17,497 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:00:17,498 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:00:17,498 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:17" (1/1) ... [2023-11-24 23:00:17,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:00:17,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18397329-68d4-44dd-97fb-41340e0a0f04/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:00:17,596 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18397329-68d4-44dd-97fb-41340e0a0f04/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:00:17,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18397329-68d4-44dd-97fb-41340e0a0f04/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:00:17,663 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:00:17,664 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:00:17,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:00:17,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:00:17,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:00:17,665 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:00:17,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:00:17,816 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:00:17,818 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:00:18,097 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:00:18,411 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:00:18,411 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:00:18,413 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:00:18 BoogieIcfgContainer [2023-11-24 23:00:18,413 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:00:18,414 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:00:18,414 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:00:18,425 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:00:18,426 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:00:18" (1/1) ... [2023-11-24 23:00:18,437 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:00:18,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:18,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-24 23:00:18,501 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-24 23:00:18,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:00:18,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:18,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:18,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:00:18,905 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:00:19,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:00:19,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:00:19,204 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:00:19,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:00:19,264 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:00:19,293 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet112 [2023-11-24 23:00:19,297 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite109 could not be translated [2023-11-24 23:00:19,297 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite109 could not be translated [2023-11-24 23:00:19,304 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:00:19 ImpRootNode [2023-11-24 23:00:19,305 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:00:19,308 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:00:19,308 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:00:19,309 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:00:19,310 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:00:18" (3/4) ... [2023-11-24 23:00:19,316 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:00:19,317 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:00:19,318 INFO L158 Benchmark]: Toolchain (without parser) took 3484.64ms. Allocated memory is still 188.7MB. Free memory was 156.5MB in the beginning and 77.4MB in the end (delta: 79.1MB). Peak memory consumption was 75.8MB. Max. memory is 16.1GB. [2023-11-24 23:00:19,320 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 130.0MB. Free memory is still 102.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:00:19,320 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1519.77ms. Allocated memory is still 188.7MB. Free memory was 156.5MB in the beginning and 93.6MB in the end (delta: 62.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-11-24 23:00:19,321 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.98ms. Allocated memory is still 188.7MB. Free memory was 92.6MB in the beginning and 90.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:00:19,323 INFO L158 Benchmark]: Boogie Preprocessor took 38.85ms. Allocated memory is still 188.7MB. Free memory was 90.3MB in the beginning and 88.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:00:19,324 INFO L158 Benchmark]: RCFGBuilder took 915.94ms. Allocated memory is still 188.7MB. Free memory was 88.4MB in the beginning and 116.2MB in the end (delta: -27.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-24 23:00:19,325 INFO L158 Benchmark]: CodeCheck took 890.88ms. Allocated memory is still 188.7MB. Free memory was 115.2MB in the beginning and 78.2MB in the end (delta: 37.0MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-24 23:00:19,326 INFO L158 Benchmark]: Witness Printer took 9.21ms. Allocated memory is still 188.7MB. Free memory was 78.2MB in the beginning and 77.4MB in the end (delta: 773.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:00:19,336 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1559]: 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 1568, overapproximation of bitwiseOr at line 1554. 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); [L1568] 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) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=12, argc=12, argv={14:13}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_rand_predec_10_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(globalTrue) [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] COND TRUE \read(globalTrue) 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] [L1559] --data 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 0.32ms. Allocated memory is still 130.0MB. Free memory is still 102.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1519.77ms. Allocated memory is still 188.7MB. Free memory was 156.5MB in the beginning and 93.6MB in the end (delta: 62.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.98ms. Allocated memory is still 188.7MB. Free memory was 92.6MB in the beginning and 90.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.85ms. Allocated memory is still 188.7MB. Free memory was 90.3MB in the beginning and 88.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 915.94ms. Allocated memory is still 188.7MB. Free memory was 88.4MB in the beginning and 116.2MB in the end (delta: -27.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * CodeCheck took 890.88ms. Allocated memory is still 188.7MB. Free memory was 115.2MB in the beginning and 78.2MB in the end (delta: 37.0MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Witness Printer took 9.21ms. Allocated memory is still 188.7MB. Free memory was 78.2MB in the beginning and 77.4MB in the end (delta: 773.9kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet112 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite109 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite109 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:00:19,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18397329-68d4-44dd-97fb-41340e0a0f04/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_18397329-68d4-44dd-97fb-41340e0a0f04/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18397329-68d4-44dd-97fb-41340e0a0f04/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_18397329-68d4-44dd-97fb-41340e0a0f04/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18397329-68d4-44dd-97fb-41340e0a0f04/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_10_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18397329-68d4-44dd-97fb-41340e0a0f04/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_18397329-68d4-44dd-97fb-41340e0a0f04/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 99447df758016b1226a8e61ffa6372b526d7654f10ba3fef78e591eb88093ceb --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:00:22,093 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:00:22,219 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18397329-68d4-44dd-97fb-41340e0a0f04/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 23:00:22,277 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:00:22,278 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:00:22,279 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:00:22,280 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:00:22,280 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:00:22,281 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:00:22,286 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:00:22,287 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:00:22,287 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:00:22,288 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:00:22,289 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:00:22,290 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:00:22,290 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:00:22,291 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:00:22,291 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:00:22,291 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:00:22,292 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:00:22,293 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:00:22,294 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:00:22,294 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:00:22,295 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:00:22,295 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:00:22,295 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:00:22,296 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:00:22,296 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:00:22,297 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:00:22,297 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:00:22,298 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:00:22,299 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:00:22,299 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:00:22,299 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:00:22,300 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:00:22,300 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:00:22,300 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_18397329-68d4-44dd-97fb-41340e0a0f04/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18397329-68d4-44dd-97fb-41340e0a0f04/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99447df758016b1226a8e61ffa6372b526d7654f10ba3fef78e591eb88093ceb [2023-11-24 23:00:22,697 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:00:22,721 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:00:22,725 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:00:22,726 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:00:22,727 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:00:22,729 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18397329-68d4-44dd-97fb-41340e0a0f04/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_10_bad.i [2023-11-24 23:00:26,096 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:00:26,582 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:00:26,583 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18397329-68d4-44dd-97fb-41340e0a0f04/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_10_bad.i [2023-11-24 23:00:26,611 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18397329-68d4-44dd-97fb-41340e0a0f04/bin/ukojak-verify-afCqCEvfdi/data/ef7216e7b/041a437972ef4bb891e304d3b39926d6/FLAG80d915aa9 [2023-11-24 23:00:26,625 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18397329-68d4-44dd-97fb-41340e0a0f04/bin/ukojak-verify-afCqCEvfdi/data/ef7216e7b/041a437972ef4bb891e304d3b39926d6 [2023-11-24 23:00:26,628 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:00:26,630 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:00:26,631 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:00:26,631 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:00:26,636 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:00:26,637 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:00:26" (1/1) ... [2023-11-24 23:00:26,638 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4de1fd7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:26, skipping insertion in model container [2023-11-24 23:00:26,638 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:00:26" (1/1) ... [2023-11-24 23:00:26,712 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:00:27,832 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:00:27,857 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:00:27,984 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:00:28,108 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:00:28,109 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:00:28,109 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:00:28,109 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:00:28,117 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:00:28,117 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:28 WrapperNode [2023-11-24 23:00:28,117 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:00:28,118 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:00:28,119 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:00:28,119 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:00:28,125 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:28" (1/1) ... [2023-11-24 23:00:28,185 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:28" (1/1) ... [2023-11-24 23:00:28,216 INFO L138 Inliner]: procedures = 503, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 62 [2023-11-24 23:00:28,217 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:00:28,217 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:00:28,218 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:00:28,218 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:00:28,229 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:28" (1/1) ... [2023-11-24 23:00:28,229 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:28" (1/1) ... [2023-11-24 23:00:28,234 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:28" (1/1) ... [2023-11-24 23:00:28,234 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:28" (1/1) ... [2023-11-24 23:00:28,244 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:28" (1/1) ... [2023-11-24 23:00:28,246 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:28" (1/1) ... [2023-11-24 23:00:28,250 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:28" (1/1) ... [2023-11-24 23:00:28,252 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:28" (1/1) ... [2023-11-24 23:00:28,257 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:00:28,258 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:00:28,258 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:00:28,258 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:00:28,259 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:28" (1/1) ... [2023-11-24 23:00:28,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:00:28,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18397329-68d4-44dd-97fb-41340e0a0f04/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:00:28,294 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18397329-68d4-44dd-97fb-41340e0a0f04/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:00:28,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18397329-68d4-44dd-97fb-41340e0a0f04/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:00:28,373 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:00:28,373 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:00:28,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:00:28,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:00:28,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:00:28,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:00:28,374 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:00:28,560 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:00:28,563 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:00:28,765 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:00:28,883 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:00:28,883 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:00:28,885 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:00:28 BoogieIcfgContainer [2023-11-24 23:00:28,885 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:00:28,887 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:00:28,887 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:00:28,897 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:00:28,899 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:00:28" (1/1) ... [2023-11-24 23:00:28,909 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:00:28,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:28,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-24 23:00:28,991 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-24 23:00:28,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:00:28,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:28,997 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:00:28,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18397329-68d4-44dd-97fb-41340e0a0f04/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:00:29,037 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18397329-68d4-44dd-97fb-41340e0a0f04/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:00:29,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18397329-68d4-44dd-97fb-41340e0a0f04/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 23:00:29,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:00:29,240 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:00:29,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:00:29,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:00:29,381 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:00:29,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:00:29,424 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18397329-68d4-44dd-97fb-41340e0a0f04/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:00:29,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18397329-68d4-44dd-97fb-41340e0a0f04/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:00:29,436 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:00:29,461 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet106 [2023-11-24 23:00:29,466 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite103 could not be translated [2023-11-24 23:00:29,466 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite103 could not be translated [2023-11-24 23:00:29,472 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:00:29 ImpRootNode [2023-11-24 23:00:29,472 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:00:29,474 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:00:29,474 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:00:29,474 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:00:29,475 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:00:28" (3/4) ... [2023-11-24 23:00:29,477 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:00:29,478 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:00:29,479 INFO L158 Benchmark]: Toolchain (without parser) took 2848.98ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 41.8MB in the beginning and 35.1MB in the end (delta: 6.8MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2023-11-24 23:00:29,479 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 69.2MB. Free memory is still 44.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:00:29,480 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1486.63ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 41.7MB in the beginning and 50.7MB in the end (delta: -9.0MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. [2023-11-24 23:00:29,481 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.52ms. Allocated memory is still 90.2MB. Free memory was 50.7MB in the beginning and 47.4MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:00:29,482 INFO L158 Benchmark]: Boogie Preprocessor took 39.54ms. Allocated memory is still 90.2MB. Free memory was 47.4MB in the beginning and 45.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:00:29,483 INFO L158 Benchmark]: RCFGBuilder took 627.54ms. Allocated memory is still 90.2MB. Free memory was 45.6MB in the beginning and 51.6MB in the end (delta: -5.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-24 23:00:29,484 INFO L158 Benchmark]: CodeCheck took 585.48ms. Allocated memory is still 90.2MB. Free memory was 51.6MB in the beginning and 35.5MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 23:00:29,484 INFO L158 Benchmark]: Witness Printer took 4.04ms. Allocated memory is still 90.2MB. Free memory was 35.5MB in the beginning and 35.1MB in the end (delta: 455.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:00:29,494 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1559]: 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 1568. 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); [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_rand_predec_10_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(globalTrue) [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] COND TRUE \read(globalTrue) 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] [L1559] --data 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 0.37ms. Allocated memory is still 69.2MB. Free memory is still 44.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1486.63ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 41.7MB in the beginning and 50.7MB in the end (delta: -9.0MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.52ms. Allocated memory is still 90.2MB. Free memory was 50.7MB in the beginning and 47.4MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.54ms. Allocated memory is still 90.2MB. Free memory was 47.4MB in the beginning and 45.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 627.54ms. Allocated memory is still 90.2MB. Free memory was 45.6MB in the beginning and 51.6MB in the end (delta: -5.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 585.48ms. Allocated memory is still 90.2MB. Free memory was 51.6MB in the beginning and 35.5MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.04ms. Allocated memory is still 90.2MB. Free memory was 35.5MB in the beginning and 35.1MB in the end (delta: 455.4kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet106 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite103 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:00:29,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18397329-68d4-44dd-97fb-41340e0a0f04/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