./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_10_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004670dc-5d60-4751-b10d-821cb9a0cbec/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004670dc-5d60-4751-b10d-821cb9a0cbec/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004670dc-5d60-4751-b10d-821cb9a0cbec/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004670dc-5d60-4751-b10d-821cb9a0cbec/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_10_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004670dc-5d60-4751-b10d-821cb9a0cbec/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004670dc-5d60-4751-b10d-821cb9a0cbec/bin/ukojak-verify-EEHR8qb7sm --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 1c9dd062103fb576d389560f1e36922dffcc95efe78dee0fd9cdcf8b4a46a2c3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:20:38,680 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:20:38,792 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004670dc-5d60-4751-b10d-821cb9a0cbec/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 20:20:38,800 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:20:38,801 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:20:38,848 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:20:38,849 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:20:38,849 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:20:38,850 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:20:38,850 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:20:38,851 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:20:38,851 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:20:38,851 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:20:38,851 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:20:38,852 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:20:38,853 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:20:38,853 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:20:38,853 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:20:38,853 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:20:38,854 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:20:38,854 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:20:38,854 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:20:38,854 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:20:38,854 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:20:38,854 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:20:38,854 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:20:38,855 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:20:38,855 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:20:38,855 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:20:38,855 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:20:38,855 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:20:38,855 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:20:38,855 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_004670dc-5d60-4751-b10d-821cb9a0cbec/bin/ukojak-verify-EEHR8qb7sm 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 -> 1c9dd062103fb576d389560f1e36922dffcc95efe78dee0fd9cdcf8b4a46a2c3 [2024-11-13 20:20:39,332 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:20:39,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:20:39,350 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:20:39,352 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:20:39,353 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:20:39,354 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004670dc-5d60-4751-b10d-821cb9a0cbec/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_10_bad.i Unable to find full path for "g++" [2024-11-13 20:20:41,557 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:20:42,087 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:20:42,091 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004670dc-5d60-4751-b10d-821cb9a0cbec/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_10_bad.i [2024-11-13 20:20:42,122 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004670dc-5d60-4751-b10d-821cb9a0cbec/bin/ukojak-verify-EEHR8qb7sm/data/ef7034fd5/cb11528ff87e41dfb7e5e493aef0f4a5/FLAG0a4e9bbf1 [2024-11-13 20:20:42,145 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004670dc-5d60-4751-b10d-821cb9a0cbec/bin/ukojak-verify-EEHR8qb7sm/data/ef7034fd5/cb11528ff87e41dfb7e5e493aef0f4a5 [2024-11-13 20:20:42,147 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:20:42,149 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:20:42,151 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:20:42,151 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:20:42,156 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:20:42,157 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:20:42" (1/1) ... [2024-11-13 20:20:42,159 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@566760fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:42, skipping insertion in model container [2024-11-13 20:20:42,159 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:20:42" (1/1) ... [2024-11-13 20:20:42,225 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:20:43,152 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:20:43,162 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:20:43,273 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:20:43,414 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:20:43,415 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:43 WrapperNode [2024-11-13 20:20:43,415 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:20:43,416 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:20:43,416 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:20:43,416 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:20:43,421 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:43" (1/1) ... [2024-11-13 20:20:43,440 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:43" (1/1) ... [2024-11-13 20:20:43,465 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 101 [2024-11-13 20:20:43,465 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:20:43,466 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:20:43,466 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:20:43,466 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:20:43,473 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:43" (1/1) ... [2024-11-13 20:20:43,474 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:43" (1/1) ... [2024-11-13 20:20:43,476 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:43" (1/1) ... [2024-11-13 20:20:43,476 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:43" (1/1) ... [2024-11-13 20:20:43,485 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:43" (1/1) ... [2024-11-13 20:20:43,488 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:43" (1/1) ... [2024-11-13 20:20:43,489 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:43" (1/1) ... [2024-11-13 20:20:43,491 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:43" (1/1) ... [2024-11-13 20:20:43,493 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:20:43,494 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:20:43,494 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:20:43,494 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:20:43,495 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:43" (1/1) ... [2024-11-13 20:20:43,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:20:43,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004670dc-5d60-4751-b10d-821cb9a0cbec/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:20:43,543 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004670dc-5d60-4751-b10d-821cb9a0cbec/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:20:43,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004670dc-5d60-4751-b10d-821cb9a0cbec/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:20:43,575 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:20:43,576 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:20:43,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:20:43,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:20:43,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:20:43,740 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:20:43,742 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:20:44,013 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2024-11-13 20:20:44,013 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:20:44,412 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:20:44,412 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:20:44,414 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:20:44 BoogieIcfgContainer [2024-11-13 20:20:44,414 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:20:44,415 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:20:44,415 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:20:44,427 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:20:44,427 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:20:44" (1/1) ... [2024-11-13 20:20:44,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:20:44,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:44,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 20:20:44,490 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 20:20:44,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:20:44,495 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:44,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:44,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:20:44,805 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:20:44,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:20:45,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:20:45,021 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:20:45,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:20:45,087 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:20:45,125 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:20:45 ImpRootNode [2024-11-13 20:20:45,126 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:20:45,127 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:20:45,128 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:20:45,129 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:20:45,129 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:20:44" (3/4) ... [2024-11-13 20:20:45,132 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:20:45,133 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:20:45,134 INFO L158 Benchmark]: Toolchain (without parser) took 2985.55ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 54.7MB in the end (delta: 37.0MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. [2024-11-13 20:20:45,137 INFO L158 Benchmark]: CDTParser took 1.65ms. Allocated memory is still 142.6MB. Free memory is still 79.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:20:45,137 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1264.86ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 83.5MB in the end (delta: 7.8MB). Peak memory consumption was 66.7MB. Max. memory is 16.1GB. [2024-11-13 20:20:45,138 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.81ms. Allocated memory is still 117.4MB. Free memory was 83.5MB in the beginning and 80.8MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:20:45,138 INFO L158 Benchmark]: Boogie Preprocessor took 27.67ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 79.6MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:20:45,138 INFO L158 Benchmark]: RCFGBuilder took 920.01ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 88.9MB in the end (delta: -9.3MB). Peak memory consumption was 46.2MB. Max. memory is 16.1GB. [2024-11-13 20:20:45,139 INFO L158 Benchmark]: CodeCheck took 711.16ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 54.7MB in the end (delta: 34.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 20:20:45,139 INFO L158 Benchmark]: Witness Printer took 6.18ms. Allocated memory is still 117.4MB. Free memory is still 54.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:20:45,145 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: 0.6s, 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, 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, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_rand_postdec_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) [L1559] data-- 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 1.65ms. Allocated memory is still 142.6MB. Free memory is still 79.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1264.86ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 83.5MB in the end (delta: 7.8MB). Peak memory consumption was 66.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.81ms. Allocated memory is still 117.4MB. Free memory was 83.5MB in the beginning and 80.8MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.67ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 79.6MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 920.01ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 88.9MB in the end (delta: -9.3MB). Peak memory consumption was 46.2MB. Max. memory is 16.1GB. * CodeCheck took 711.16ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 54.7MB in the end (delta: 34.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 6.18ms. Allocated memory is still 117.4MB. Free memory is still 54.7MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:20:45,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004670dc-5d60-4751-b10d-821cb9a0cbec/bin/ukojak-verify-EEHR8qb7sm/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_004670dc-5d60-4751-b10d-821cb9a0cbec/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004670dc-5d60-4751-b10d-821cb9a0cbec/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004670dc-5d60-4751-b10d-821cb9a0cbec/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004670dc-5d60-4751-b10d-821cb9a0cbec/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_10_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004670dc-5d60-4751-b10d-821cb9a0cbec/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004670dc-5d60-4751-b10d-821cb9a0cbec/bin/ukojak-verify-EEHR8qb7sm --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 1c9dd062103fb576d389560f1e36922dffcc95efe78dee0fd9cdcf8b4a46a2c3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:20:47,928 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:20:48,066 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004670dc-5d60-4751-b10d-821cb9a0cbec/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 20:20:48,114 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:20:48,116 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:20:48,116 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:20:48,117 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:20:48,117 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:20:48,118 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:20:48,118 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:20:48,119 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:20:48,119 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:20:48,120 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:20:48,120 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:20:48,120 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:20:48,120 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:20:48,120 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:20:48,120 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:20:48,120 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:20:48,121 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:20:48,121 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:20:48,121 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:20:48,121 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:20:48,121 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:20:48,122 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:20:48,122 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:20:48,122 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:20:48,122 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:20:48,122 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:20:48,122 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:20:48,122 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:20:48,123 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:20:48,123 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:20:48,123 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:20:48,123 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:20:48,124 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_004670dc-5d60-4751-b10d-821cb9a0cbec/bin/ukojak-verify-EEHR8qb7sm 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 -> 1c9dd062103fb576d389560f1e36922dffcc95efe78dee0fd9cdcf8b4a46a2c3 [2024-11-13 20:20:48,493 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:20:48,502 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:20:48,505 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:20:48,506 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:20:48,507 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:20:48,508 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004670dc-5d60-4751-b10d-821cb9a0cbec/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_10_bad.i Unable to find full path for "g++" [2024-11-13 20:20:50,562 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:20:51,068 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:20:51,070 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004670dc-5d60-4751-b10d-821cb9a0cbec/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_10_bad.i [2024-11-13 20:20:51,105 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004670dc-5d60-4751-b10d-821cb9a0cbec/bin/ukojak-verify-EEHR8qb7sm/data/05319a9c3/7211007951b34a9a96fed633f8bee02d/FLAG4288f8b1f [2024-11-13 20:20:51,158 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004670dc-5d60-4751-b10d-821cb9a0cbec/bin/ukojak-verify-EEHR8qb7sm/data/05319a9c3/7211007951b34a9a96fed633f8bee02d [2024-11-13 20:20:51,160 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:20:51,163 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:20:51,167 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:20:51,167 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:20:51,175 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:20:51,176 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:20:51" (1/1) ... [2024-11-13 20:20:51,178 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41e05d51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:51, skipping insertion in model container [2024-11-13 20:20:51,178 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:20:51" (1/1) ... [2024-11-13 20:20:51,245 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:20:52,274 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:20:52,287 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:20:52,416 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:20:52,571 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:20:52,571 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:52 WrapperNode [2024-11-13 20:20:52,572 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:20:52,572 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:20:52,572 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:20:52,573 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:20:52,579 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:52" (1/1) ... [2024-11-13 20:20:52,605 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:52" (1/1) ... [2024-11-13 20:20:52,634 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2024-11-13 20:20:52,634 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:20:52,635 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:20:52,635 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:20:52,635 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:20:52,644 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:52" (1/1) ... [2024-11-13 20:20:52,644 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:52" (1/1) ... [2024-11-13 20:20:52,648 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:52" (1/1) ... [2024-11-13 20:20:52,652 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:52" (1/1) ... [2024-11-13 20:20:52,671 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:52" (1/1) ... [2024-11-13 20:20:52,672 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:52" (1/1) ... [2024-11-13 20:20:52,679 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:52" (1/1) ... [2024-11-13 20:20:52,680 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:52" (1/1) ... [2024-11-13 20:20:52,682 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:20:52,683 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:20:52,683 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:20:52,683 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:20:52,684 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:52" (1/1) ... [2024-11-13 20:20:52,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:20:52,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004670dc-5d60-4751-b10d-821cb9a0cbec/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:20:52,716 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004670dc-5d60-4751-b10d-821cb9a0cbec/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:20:52,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004670dc-5d60-4751-b10d-821cb9a0cbec/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:20:52,745 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:20:52,746 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:20:52,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:20:52,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:20:52,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:20:52,921 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:20:52,923 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:20:53,065 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-13 20:20:53,065 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:20:53,177 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:20:53,177 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:20:53,179 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:20:53 BoogieIcfgContainer [2024-11-13 20:20:53,179 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:20:53,180 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:20:53,180 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:20:53,190 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:20:53,191 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:20:53" (1/1) ... [2024-11-13 20:20:53,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:20:53,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:53,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 20:20:53,269 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 20:20:53,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:20:53,273 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:53,274 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:20:53,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004670dc-5d60-4751-b10d-821cb9a0cbec/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:20:53,276 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004670dc-5d60-4751-b10d-821cb9a0cbec/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:20:53,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004670dc-5d60-4751-b10d-821cb9a0cbec/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:20:53,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:20:53,485 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:20:53,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:20:53,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:20:53,653 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:20:53,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:20:53,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004670dc-5d60-4751-b10d-821cb9a0cbec/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 20:20:53,712 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:20:53,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:20:53 ImpRootNode [2024-11-13 20:20:53,746 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:20:53,748 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:20:53,749 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:20:53,749 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:20:53,751 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:20:53" (3/4) ... [2024-11-13 20:20:53,753 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:20:53,754 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:20:53,757 INFO L158 Benchmark]: Toolchain (without parser) took 2592.92ms. Allocated memory is still 83.9MB. Free memory was 56.8MB in the beginning and 39.8MB in the end (delta: 17.1MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2024-11-13 20:20:53,758 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 83.9MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:20:53,758 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1405.43ms. Allocated memory is still 83.9MB. Free memory was 56.6MB in the beginning and 53.3MB in the end (delta: 3.3MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2024-11-13 20:20:53,758 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.84ms. Allocated memory is still 83.9MB. Free memory was 53.3MB in the beginning and 50.6MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:20:53,759 INFO L158 Benchmark]: Boogie Preprocessor took 47.99ms. Allocated memory is still 83.9MB. Free memory was 50.6MB in the beginning and 48.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:20:53,759 INFO L158 Benchmark]: RCFGBuilder took 495.67ms. Allocated memory is still 83.9MB. Free memory was 48.9MB in the beginning and 30.7MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:20:53,759 INFO L158 Benchmark]: CodeCheck took 566.66ms. Allocated memory is still 83.9MB. Free memory was 30.7MB in the beginning and 39.8MB in the end (delta: -9.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:20:53,762 INFO L158 Benchmark]: Witness Printer took 5.97ms. Allocated memory is still 83.9MB. Free memory was 39.8MB in the beginning and 39.8MB in the end (delta: 3.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:20:53,764 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, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_rand_postdec_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) [L1559] data-- 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 0.43ms. Allocated memory is still 83.9MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1405.43ms. Allocated memory is still 83.9MB. Free memory was 56.6MB in the beginning and 53.3MB in the end (delta: 3.3MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.84ms. Allocated memory is still 83.9MB. Free memory was 53.3MB in the beginning and 50.6MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 47.99ms. Allocated memory is still 83.9MB. Free memory was 50.6MB in the beginning and 48.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 495.67ms. Allocated memory is still 83.9MB. Free memory was 48.9MB in the beginning and 30.7MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 566.66ms. Allocated memory is still 83.9MB. Free memory was 30.7MB in the beginning and 39.8MB in the end (delta: -9.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.97ms. Allocated memory is still 83.9MB. Free memory was 39.8MB in the beginning and 39.8MB in the end (delta: 3.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:20:53,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004670dc-5d60-4751-b10d-821cb9a0cbec/bin/ukojak-verify-EEHR8qb7sm/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