./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_44_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223700cb-b7c9-4940-bde8-18445a99418c/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223700cb-b7c9-4940-bde8-18445a99418c/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223700cb-b7c9-4940-bde8-18445a99418c/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223700cb-b7c9-4940-bde8-18445a99418c/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223700cb-b7c9-4940-bde8-18445a99418c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223700cb-b7c9-4940-bde8-18445a99418c/bin/ukojak-verify-ENZ3QT5qd3 --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 26c5f8f9a74fbc25cae071c3d700ef56d42b58959b621010c657fe43468f127f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:57:04,466 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:57:04,527 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223700cb-b7c9-4940-bde8-18445a99418c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 02:57:04,531 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:57:04,532 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:57:04,555 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:57:04,556 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:57:04,556 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:57:04,556 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:57:04,556 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:57:04,557 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:57:04,557 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:57:04,557 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:57:04,557 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:57:04,557 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:57:04,557 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:57:04,557 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:57:04,557 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:57:04,558 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:57:04,558 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:57:04,558 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:57:04,558 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:57:04,558 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:57:04,558 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:57:04,558 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:57:04,559 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:57:04,559 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:57:04,559 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:57:04,559 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:57:04,559 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:57:04,560 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:57:04,560 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:57:04,560 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_223700cb-b7c9-4940-bde8-18445a99418c/bin/ukojak-verify-ENZ3QT5qd3 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 -> 26c5f8f9a74fbc25cae071c3d700ef56d42b58959b621010c657fe43468f127f [2024-11-25 02:57:04,871 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:57:04,880 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:57:04,882 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:57:04,883 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:57:04,884 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:57:04,885 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223700cb-b7c9-4940-bde8-18445a99418c/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_44_bad.i [2024-11-25 02:57:07,878 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223700cb-b7c9-4940-bde8-18445a99418c/bin/ukojak-verify-ENZ3QT5qd3/data/bd57e5b97/bccb4bad8bb0413ab7bce605d5f6ac0d/FLAG7b8d60dfd [2024-11-25 02:57:08,331 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:57:08,332 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223700cb-b7c9-4940-bde8-18445a99418c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_44_bad.i [2024-11-25 02:57:08,366 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223700cb-b7c9-4940-bde8-18445a99418c/bin/ukojak-verify-ENZ3QT5qd3/data/bd57e5b97/bccb4bad8bb0413ab7bce605d5f6ac0d/FLAG7b8d60dfd [2024-11-25 02:57:08,394 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223700cb-b7c9-4940-bde8-18445a99418c/bin/ukojak-verify-ENZ3QT5qd3/data/bd57e5b97/bccb4bad8bb0413ab7bce605d5f6ac0d [2024-11-25 02:57:08,396 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:57:08,397 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:57:08,398 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:57:08,399 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:57:08,403 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:57:08,404 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:57:08" (1/1) ... [2024-11-25 02:57:08,407 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@602e6dfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:57:08, skipping insertion in model container [2024-11-25 02:57:08,407 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:57:08" (1/1) ... [2024-11-25 02:57:08,467 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:57:09,372 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:57:09,383 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:57:09,476 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:57:09,633 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:57:09,634 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:57:09 WrapperNode [2024-11-25 02:57:09,635 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:57:09,637 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:57:09,637 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:57:09,638 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:57:09,651 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:57:09" (1/1) ... [2024-11-25 02:57:09,684 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:57:09" (1/1) ... [2024-11-25 02:57:09,721 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 99 [2024-11-25 02:57:09,722 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:57:09,723 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:57:09,723 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:57:09,723 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:57:09,731 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:57:09" (1/1) ... [2024-11-25 02:57:09,731 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:57:09" (1/1) ... [2024-11-25 02:57:09,734 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:57:09" (1/1) ... [2024-11-25 02:57:09,734 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:57:09" (1/1) ... [2024-11-25 02:57:09,747 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:57:09" (1/1) ... [2024-11-25 02:57:09,751 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:57:09" (1/1) ... [2024-11-25 02:57:09,754 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:57:09" (1/1) ... [2024-11-25 02:57:09,758 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:57:09" (1/1) ... [2024-11-25 02:57:09,760 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:57:09" (1/1) ... [2024-11-25 02:57:09,765 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:57:09,766 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:57:09,770 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:57:09,771 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:57:09,772 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:57:09" (1/1) ... [2024-11-25 02:57:09,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:57:09,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223700cb-b7c9-4940-bde8-18445a99418c/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:57:09,818 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223700cb-b7c9-4940-bde8-18445a99418c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:57:09,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223700cb-b7c9-4940-bde8-18445a99418c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:57:09,851 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 02:57:09,852 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 02:57:09,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:57:09,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:57:09,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:57:10,029 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:57:10,030 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:57:10,286 INFO L? ?]: Removed 65 outVars from TransFormulas that were not future-live. [2024-11-25 02:57:10,286 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:57:10,518 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:57:10,518 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 02:57:10,518 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:57:10 BoogieIcfgContainer [2024-11-25 02:57:10,518 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:57:10,519 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:57:10,519 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:57:10,529 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:57:10,529 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:57:10" (1/1) ... [2024-11-25 02:57:10,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:57:10,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:57:10,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-25 02:57:10,607 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-25 02:57:10,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 02:57:10,614 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:57:10,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:57:10,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:57:11,000 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:57:11,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:57:11,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:57:11,224 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:57:11,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:57:11,275 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 02:57:11,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:57:11 ImpRootNode [2024-11-25 02:57:11,311 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:57:11,312 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:57:11,312 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:57:11,312 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:57:11,313 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:57:10" (3/4) ... [2024-11-25 02:57:11,317 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 02:57:11,318 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:57:11,322 INFO L158 Benchmark]: Toolchain (without parser) took 2922.89ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 60.7MB in the end (delta: 28.3MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. [2024-11-25 02:57:11,322 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:57:11,322 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1237.28ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 80.7MB in the end (delta: 8.3MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. [2024-11-25 02:57:11,323 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.90ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 77.7MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:57:11,323 INFO L158 Benchmark]: Boogie Preprocessor took 43.08ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 76.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:57:11,323 INFO L158 Benchmark]: RCFGBuilder took 752.28ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 39.5MB in the end (delta: 37.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 02:57:11,324 INFO L158 Benchmark]: CodeCheck took 792.20ms. Allocated memory is still 117.4MB. Free memory was 39.5MB in the beginning and 60.7MB in the end (delta: -21.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:57:11,324 INFO L158 Benchmark]: Witness Printer took 7.17ms. Allocated memory is still 117.4MB. Free memory was 60.7MB in the beginning and 60.7MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:57:11,329 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: 0.7s, 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, 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1552]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1561. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1567] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1567] RET 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] [L1568] CALL CWE191_Integer_Underflow__int_rand_multiply_44_bad() [L1558] int data; [L1559] void (*funcPtr) (int) = badSink; [L1560] data = 0 [L1561] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1561] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1561] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1561] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1561] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1562] CALL funcPtr(data) [L1550] COND TRUE data < 0 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] [L1552] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, 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 0.42ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1237.28ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 80.7MB in the end (delta: 8.3MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.90ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 77.7MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.08ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 76.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 752.28ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 39.5MB in the end (delta: 37.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 792.20ms. Allocated memory is still 117.4MB. Free memory was 39.5MB in the beginning and 60.7MB in the end (delta: -21.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.17ms. Allocated memory is still 117.4MB. Free memory was 60.7MB in the beginning and 60.7MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 02:57:11,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223700cb-b7c9-4940-bde8-18445a99418c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223700cb-b7c9-4940-bde8-18445a99418c/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223700cb-b7c9-4940-bde8-18445a99418c/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223700cb-b7c9-4940-bde8-18445a99418c/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223700cb-b7c9-4940-bde8-18445a99418c/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223700cb-b7c9-4940-bde8-18445a99418c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223700cb-b7c9-4940-bde8-18445a99418c/bin/ukojak-verify-ENZ3QT5qd3 --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 26c5f8f9a74fbc25cae071c3d700ef56d42b58959b621010c657fe43468f127f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:57:14,119 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:57:14,258 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223700cb-b7c9-4940-bde8-18445a99418c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 02:57:14,285 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:57:14,286 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:57:14,286 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:57:14,287 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:57:14,287 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:57:14,287 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:57:14,287 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:57:14,287 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:57:14,287 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:57:14,288 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:57:14,288 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:57:14,289 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 02:57:14,289 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 02:57:14,289 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:57:14,290 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 02:57:14,290 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:57:14,290 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:57:14,290 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:57:14,290 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:57:14,290 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:57:14,290 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:57:14,290 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:57:14,290 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:57:14,290 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 02:57:14,291 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:57:14,291 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:57:14,291 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:57:14,291 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:57:14,291 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:57:14,291 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 02:57:14,291 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:57:14,291 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 02:57:14,291 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_223700cb-b7c9-4940-bde8-18445a99418c/bin/ukojak-verify-ENZ3QT5qd3 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 -> 26c5f8f9a74fbc25cae071c3d700ef56d42b58959b621010c657fe43468f127f [2024-11-25 02:57:14,619 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:57:14,628 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:57:14,631 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:57:14,634 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:57:14,635 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:57:14,636 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223700cb-b7c9-4940-bde8-18445a99418c/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_44_bad.i [2024-11-25 02:57:17,862 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223700cb-b7c9-4940-bde8-18445a99418c/bin/ukojak-verify-ENZ3QT5qd3/data/a6e24f212/1981d6e8c2e0440fb98cb052b38b357d/FLAGa904d4b73 [2024-11-25 02:57:18,365 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:57:18,365 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223700cb-b7c9-4940-bde8-18445a99418c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_44_bad.i [2024-11-25 02:57:18,405 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223700cb-b7c9-4940-bde8-18445a99418c/bin/ukojak-verify-ENZ3QT5qd3/data/a6e24f212/1981d6e8c2e0440fb98cb052b38b357d/FLAGa904d4b73 [2024-11-25 02:57:18,433 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223700cb-b7c9-4940-bde8-18445a99418c/bin/ukojak-verify-ENZ3QT5qd3/data/a6e24f212/1981d6e8c2e0440fb98cb052b38b357d [2024-11-25 02:57:18,437 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:57:18,438 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:57:18,441 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:57:18,442 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:57:18,448 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:57:18,449 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:57:18" (1/1) ... [2024-11-25 02:57:18,452 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71ef5c03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:57:18, skipping insertion in model container [2024-11-25 02:57:18,452 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:57:18" (1/1) ... [2024-11-25 02:57:18,515 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:57:19,482 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:57:19,495 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:57:19,683 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:57:19,843 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:57:19,844 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:57:19 WrapperNode [2024-11-25 02:57:19,844 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:57:19,845 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:57:19,845 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:57:19,845 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:57:19,852 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:57:19" (1/1) ... [2024-11-25 02:57:19,875 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:57:19" (1/1) ... [2024-11-25 02:57:19,895 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 59 [2024-11-25 02:57:19,896 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:57:19,897 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:57:19,897 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:57:19,897 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:57:19,904 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:57:19" (1/1) ... [2024-11-25 02:57:19,905 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:57:19" (1/1) ... [2024-11-25 02:57:19,907 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:57:19" (1/1) ... [2024-11-25 02:57:19,908 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:57:19" (1/1) ... [2024-11-25 02:57:19,915 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:57:19" (1/1) ... [2024-11-25 02:57:19,916 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:57:19" (1/1) ... [2024-11-25 02:57:19,918 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:57:19" (1/1) ... [2024-11-25 02:57:19,920 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:57:19" (1/1) ... [2024-11-25 02:57:19,921 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:57:19" (1/1) ... [2024-11-25 02:57:19,924 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:57:19,925 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:57:19,925 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:57:19,925 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:57:19,929 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:57:19" (1/1) ... [2024-11-25 02:57:19,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:57:19,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223700cb-b7c9-4940-bde8-18445a99418c/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:57:19,967 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223700cb-b7c9-4940-bde8-18445a99418c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:57:19,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223700cb-b7c9-4940-bde8-18445a99418c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:57:20,004 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 02:57:20,004 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 02:57:20,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:57:20,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:57:20,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:57:20,178 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:57:20,182 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:57:20,349 INFO L? ?]: Removed 37 outVars from TransFormulas that were not future-live. [2024-11-25 02:57:20,349 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:57:20,410 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:57:20,411 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 02:57:20,411 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:57:20 BoogieIcfgContainer [2024-11-25 02:57:20,411 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:57:20,412 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:57:20,412 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:57:20,435 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:57:20,435 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:57:20" (1/1) ... [2024-11-25 02:57:20,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:57:20,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:57:20,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-25 02:57:20,499 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-25 02:57:20,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 02:57:20,504 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:57:20,506 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:57:20,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223700cb-b7c9-4940-bde8-18445a99418c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:57:20,511 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223700cb-b7c9-4940-bde8-18445a99418c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:57:20,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223700cb-b7c9-4940-bde8-18445a99418c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 02:57:20,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:57:20,723 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:57:20,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:57:20,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:57:20,858 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:57:20,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:57:20,913 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223700cb-b7c9-4940-bde8-18445a99418c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-25 02:57:20,915 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 02:57:20,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:57:20 ImpRootNode [2024-11-25 02:57:20,944 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:57:20,944 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:57:20,945 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:57:20,945 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:57:20,946 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:57:20" (3/4) ... [2024-11-25 02:57:20,946 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 02:57:20,991 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 7. [2024-11-25 02:57:21,048 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223700cb-b7c9-4940-bde8-18445a99418c/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 02:57:21,049 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223700cb-b7c9-4940-bde8-18445a99418c/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 02:57:21,049 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:57:21,052 INFO L158 Benchmark]: Toolchain (without parser) took 2611.56ms. Allocated memory is still 83.9MB. Free memory was 57.5MB in the beginning and 35.5MB in the end (delta: 22.1MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2024-11-25 02:57:21,053 INFO L158 Benchmark]: CDTParser took 3.13ms. Allocated memory is still 83.9MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:57:21,053 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1403.42ms. Allocated memory is still 83.9MB. Free memory was 57.2MB in the beginning and 51.9MB in the end (delta: 5.3MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. [2024-11-25 02:57:21,053 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.96ms. Allocated memory is still 83.9MB. Free memory was 51.9MB in the beginning and 49.3MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:57:21,054 INFO L158 Benchmark]: Boogie Preprocessor took 27.95ms. Allocated memory is still 83.9MB. Free memory was 49.3MB in the beginning and 47.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:57:21,055 INFO L158 Benchmark]: RCFGBuilder took 486.28ms. Allocated memory is still 83.9MB. Free memory was 47.4MB in the beginning and 30.4MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:57:21,055 INFO L158 Benchmark]: CodeCheck took 531.81ms. Allocated memory is still 83.9MB. Free memory was 30.4MB in the beginning and 40.6MB in the end (delta: -10.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:57:21,055 INFO L158 Benchmark]: Witness Printer took 104.37ms. Allocated memory is still 83.9MB. Free memory was 40.2MB in the beginning and 35.5MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:57:21,058 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, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 1552]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1567] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1567] RET 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] [L1568] CALL CWE191_Integer_Underflow__int_rand_multiply_44_bad() [L1558] int data; [L1559] void (*funcPtr) (int) = badSink; [L1560] data = 0 [L1561] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1561] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1561] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1562] CALL funcPtr(data) [L1550] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073774592, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, 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 3.13ms. Allocated memory is still 83.9MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1403.42ms. Allocated memory is still 83.9MB. Free memory was 57.2MB in the beginning and 51.9MB in the end (delta: 5.3MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.96ms. Allocated memory is still 83.9MB. Free memory was 51.9MB in the beginning and 49.3MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.95ms. Allocated memory is still 83.9MB. Free memory was 49.3MB in the beginning and 47.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 486.28ms. Allocated memory is still 83.9MB. Free memory was 47.4MB in the beginning and 30.4MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 531.81ms. Allocated memory is still 83.9MB. Free memory was 30.4MB in the beginning and 40.6MB in the end (delta: -10.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 104.37ms. Allocated memory is still 83.9MB. Free memory was 40.2MB in the beginning and 35.5MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 02:57:21,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223700cb-b7c9-4940-bde8-18445a99418c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)