./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_21_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_49037e41-dcec-4a92-854a-f2790eca4d37/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49037e41-dcec-4a92-854a-f2790eca4d37/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_49037e41-dcec-4a92-854a-f2790eca4d37/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49037e41-dcec-4a92-854a-f2790eca4d37/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49037e41-dcec-4a92-854a-f2790eca4d37/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_49037e41-dcec-4a92-854a-f2790eca4d37/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 df29f6e58833d62bb206bcd7224ef68a083dbbe2c61307204040ab2ee2faebda --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:55:53,048 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:55:53,123 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49037e41-dcec-4a92-854a-f2790eca4d37/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 21:55:53,128 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:55:53,131 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:55:53,152 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:55:53,153 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:55:53,153 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:55:53,153 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:55:53,154 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:55:53,154 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:55:53,154 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:55:53,154 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:55:53,154 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:55:53,154 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:55:53,154 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:55:53,155 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:55:53,155 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:55:53,155 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:55:53,155 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:55:53,155 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:55:53,155 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:55:53,156 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:55:53,156 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:55:53,156 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:55:53,156 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:55:53,156 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:55:53,156 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:55:53,156 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:55:53,157 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:55:53,157 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:55:53,157 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:55:53,157 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_49037e41-dcec-4a92-854a-f2790eca4d37/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 -> df29f6e58833d62bb206bcd7224ef68a083dbbe2c61307204040ab2ee2faebda [2024-11-13 21:55:53,448 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:55:53,461 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:55:53,465 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:55:53,467 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:55:53,467 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:55:53,469 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49037e41-dcec-4a92-854a-f2790eca4d37/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_21_bad.i Unable to find full path for "g++" [2024-11-13 21:55:55,559 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:55:56,016 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:55:56,016 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49037e41-dcec-4a92-854a-f2790eca4d37/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_21_bad.i [2024-11-13 21:55:56,055 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49037e41-dcec-4a92-854a-f2790eca4d37/bin/ukojak-verify-EEHR8qb7sm/data/00a9a3636/92f2b1928c6d488eb87c4269b4d2ce68/FLAG8e70930ed [2024-11-13 21:55:56,068 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49037e41-dcec-4a92-854a-f2790eca4d37/bin/ukojak-verify-EEHR8qb7sm/data/00a9a3636/92f2b1928c6d488eb87c4269b4d2ce68 [2024-11-13 21:55:56,070 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:55:56,072 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:55:56,073 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:55:56,073 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:55:56,077 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:55:56,079 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:55:56" (1/1) ... [2024-11-13 21:55:56,082 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b892abd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:56, skipping insertion in model container [2024-11-13 21:55:56,083 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:55:56" (1/1) ... [2024-11-13 21:55:56,148 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:55:57,033 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:55:57,041 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:55:57,162 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:55:57,311 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:55:57,312 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:57 WrapperNode [2024-11-13 21:55:57,312 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:55:57,313 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:55:57,313 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:55:57,313 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:55:57,318 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:57" (1/1) ... [2024-11-13 21:55:57,337 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:57" (1/1) ... [2024-11-13 21:55:57,357 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 102 [2024-11-13 21:55:57,357 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:55:57,358 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:55:57,358 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:55:57,358 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:55:57,366 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:57" (1/1) ... [2024-11-13 21:55:57,366 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:57" (1/1) ... [2024-11-13 21:55:57,369 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:57" (1/1) ... [2024-11-13 21:55:57,369 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:57" (1/1) ... [2024-11-13 21:55:57,374 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:57" (1/1) ... [2024-11-13 21:55:57,376 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:57" (1/1) ... [2024-11-13 21:55:57,377 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:57" (1/1) ... [2024-11-13 21:55:57,378 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:57" (1/1) ... [2024-11-13 21:55:57,381 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:55:57,381 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:55:57,382 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:55:57,382 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:55:57,383 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:57" (1/1) ... [2024-11-13 21:55:57,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:55:57,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49037e41-dcec-4a92-854a-f2790eca4d37/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:55:57,421 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49037e41-dcec-4a92-854a-f2790eca4d37/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:55:57,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49037e41-dcec-4a92-854a-f2790eca4d37/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:55:57,449 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:55:57,449 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:55:57,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:55:57,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:55:57,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:55:57,624 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:55:57,626 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:55:57,914 INFO L? ?]: Removed 59 outVars from TransFormulas that were not future-live. [2024-11-13 21:55:57,914 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:55:58,153 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:55:58,154 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:55:58,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:55:58 BoogieIcfgContainer [2024-11-13 21:55:58,154 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:55:58,155 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:55:58,155 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:55:58,165 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:55:58,165 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:55:58" (1/1) ... [2024-11-13 21:55:58,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:55:58,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:58,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-13 21:55:58,257 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-13 21:55:58,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:55:58,262 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:58,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:55:58,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:55:58,588 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:55:58,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:55:58,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:55:58,741 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:55:58,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:55:58,792 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:55:58,817 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:55:58 ImpRootNode [2024-11-13 21:55:58,817 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:55:58,818 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:55:58,818 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:55:58,818 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:55:58,819 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:55:58" (3/4) ... [2024-11-13 21:55:58,821 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:55:58,822 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:55:58,823 INFO L158 Benchmark]: Toolchain (without parser) took 2751.76ms. Allocated memory is still 117.4MB. Free memory was 88.5MB in the beginning and 56.2MB in the end (delta: 32.3MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. [2024-11-13 21:55:58,824 INFO L158 Benchmark]: CDTParser took 1.23ms. Allocated memory is still 83.9MB. Free memory is still 41.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:55:58,824 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1239.51ms. Allocated memory is still 117.4MB. Free memory was 88.0MB in the beginning and 81.3MB in the end (delta: 6.7MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. [2024-11-13 21:55:58,825 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.81ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 78.4MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:55:58,825 INFO L158 Benchmark]: Boogie Preprocessor took 22.74ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 77.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:55:58,826 INFO L158 Benchmark]: RCFGBuilder took 772.94ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 39.9MB in the end (delta: 37.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 21:55:58,826 INFO L158 Benchmark]: CodeCheck took 662.55ms. Allocated memory is still 117.4MB. Free memory was 39.9MB in the beginning and 56.2MB in the end (delta: -16.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:55:58,827 INFO L158 Benchmark]: Witness Printer took 4.46ms. Allocated memory is still 117.4MB. Free memory was 56.2MB in the beginning and 56.2MB in the end (delta: 7.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:55:58,829 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, 15 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, 8 NumberOfCodeBlocks, 8 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: 1555]: 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 1571, overapproximation of bitwiseOr at line 1564. 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); [L1548] static int badStatic = 0; [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_rand_multiply_21_bad() [L1562] int data; [L1563] data = 0 [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1564] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1564] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1564] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1565] badStatic = 1 [L1566] CALL badSink(data) [L1551] COND TRUE \read(badStatic) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=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 1.23ms. Allocated memory is still 83.9MB. Free memory is still 41.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1239.51ms. Allocated memory is still 117.4MB. Free memory was 88.0MB in the beginning and 81.3MB in the end (delta: 6.7MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.81ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 78.4MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.74ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 77.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 772.94ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 39.9MB in the end (delta: 37.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 662.55ms. Allocated memory is still 117.4MB. Free memory was 39.9MB in the beginning and 56.2MB in the end (delta: -16.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.46ms. Allocated memory is still 117.4MB. Free memory was 56.2MB in the beginning and 56.2MB in the end (delta: 7.9kB). 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 21:55:58,860 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49037e41-dcec-4a92-854a-f2790eca4d37/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 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_49037e41-dcec-4a92-854a-f2790eca4d37/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49037e41-dcec-4a92-854a-f2790eca4d37/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_49037e41-dcec-4a92-854a-f2790eca4d37/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49037e41-dcec-4a92-854a-f2790eca4d37/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49037e41-dcec-4a92-854a-f2790eca4d37/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_49037e41-dcec-4a92-854a-f2790eca4d37/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 df29f6e58833d62bb206bcd7224ef68a083dbbe2c61307204040ab2ee2faebda --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:56:01,526 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:56:01,650 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49037e41-dcec-4a92-854a-f2790eca4d37/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 21:56:01,697 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:56:01,699 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:56:01,699 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:56:01,700 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:56:01,700 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:56:01,700 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:56:01,701 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:56:01,701 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:56:01,701 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:56:01,701 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:56:01,702 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:56:01,702 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:56:01,702 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:56:01,702 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:56:01,702 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:56:01,703 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:56:01,703 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:56:01,703 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:56:01,703 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:56:01,703 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:56:01,703 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:56:01,704 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:56:01,704 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:01,704 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:56:01,704 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:56:01,704 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:56:01,704 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:56:01,704 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:56:01,705 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:56:01,705 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:56:01,705 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:01,706 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:56:01,706 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_49037e41-dcec-4a92-854a-f2790eca4d37/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 -> df29f6e58833d62bb206bcd7224ef68a083dbbe2c61307204040ab2ee2faebda [2024-11-13 21:56:02,011 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:56:02,024 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:56:02,026 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:56:02,030 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:56:02,033 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:56:02,034 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49037e41-dcec-4a92-854a-f2790eca4d37/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_21_bad.i Unable to find full path for "g++" [2024-11-13 21:56:04,042 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:56:04,383 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:56:04,384 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49037e41-dcec-4a92-854a-f2790eca4d37/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_21_bad.i [2024-11-13 21:56:04,409 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49037e41-dcec-4a92-854a-f2790eca4d37/bin/ukojak-verify-EEHR8qb7sm/data/762753247/4c1718955506458a81ab7ea4a94239bb/FLAG6cf1a5ae7 [2024-11-13 21:56:04,595 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49037e41-dcec-4a92-854a-f2790eca4d37/bin/ukojak-verify-EEHR8qb7sm/data/762753247/4c1718955506458a81ab7ea4a94239bb [2024-11-13 21:56:04,597 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:56:04,599 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:56:04,601 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:56:04,601 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:56:04,605 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:56:04,606 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:56:04" (1/1) ... [2024-11-13 21:56:04,607 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e3b3beb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:04, skipping insertion in model container [2024-11-13 21:56:04,608 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:56:04" (1/1) ... [2024-11-13 21:56:04,654 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:56:05,561 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:56:05,575 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:56:05,710 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:56:05,919 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:56:05,919 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:05 WrapperNode [2024-11-13 21:56:05,919 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:56:05,920 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:56:05,921 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:56:05,921 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:56:05,927 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:05" (1/1) ... [2024-11-13 21:56:05,963 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:05" (1/1) ... [2024-11-13 21:56:05,991 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 62 [2024-11-13 21:56:05,993 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:56:05,993 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:56:05,994 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:56:05,994 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:56:06,003 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:05" (1/1) ... [2024-11-13 21:56:06,004 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:05" (1/1) ... [2024-11-13 21:56:06,009 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:05" (1/1) ... [2024-11-13 21:56:06,014 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:05" (1/1) ... [2024-11-13 21:56:06,023 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:05" (1/1) ... [2024-11-13 21:56:06,029 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:05" (1/1) ... [2024-11-13 21:56:06,031 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:05" (1/1) ... [2024-11-13 21:56:06,035 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:05" (1/1) ... [2024-11-13 21:56:06,038 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:56:06,043 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:56:06,043 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:56:06,043 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:56:06,044 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:05" (1/1) ... [2024-11-13 21:56:06,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:56:06,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49037e41-dcec-4a92-854a-f2790eca4d37/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:56:06,084 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49037e41-dcec-4a92-854a-f2790eca4d37/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:56:06,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49037e41-dcec-4a92-854a-f2790eca4d37/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:56:06,118 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:56:06,118 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:56:06,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:56:06,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:56:06,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:56:06,337 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:56:06,339 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:56:06,518 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-11-13 21:56:06,519 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:56:06,617 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:56:06,617 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:56:06,617 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:56:06 BoogieIcfgContainer [2024-11-13 21:56:06,620 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:56:06,621 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:56:06,621 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:56:06,633 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:56:06,633 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:56:06" (1/1) ... [2024-11-13 21:56:06,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:56:06,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:06,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-13 21:56:06,701 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-13 21:56:06,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:56:06,706 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:06,707 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:06,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49037e41-dcec-4a92-854a-f2790eca4d37/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:06,711 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49037e41-dcec-4a92-854a-f2790eca4d37/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:06,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49037e41-dcec-4a92-854a-f2790eca4d37/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:56:06,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:56:06,963 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:56:07,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:56:07,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:56:07,127 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:56:07,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:56:07,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49037e41-dcec-4a92-854a-f2790eca4d37/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:56:07,208 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:56:07,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:56:07 ImpRootNode [2024-11-13 21:56:07,242 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:56:07,243 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:56:07,243 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:56:07,243 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:56:07,244 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:56:06" (3/4) ... [2024-11-13 21:56:07,248 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:56:07,249 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:56:07,252 INFO L158 Benchmark]: Toolchain (without parser) took 2651.39ms. Allocated memory is still 117.4MB. Free memory was 90.2MB in the beginning and 77.7MB in the end (delta: 12.4MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2024-11-13 21:56:07,253 INFO L158 Benchmark]: CDTParser took 0.34ms. 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 21:56:07,253 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1319.24ms. Allocated memory is still 117.4MB. Free memory was 90.2MB in the beginning and 77.0MB in the end (delta: 13.2MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2024-11-13 21:56:07,253 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.66ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 73.9MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:56:07,254 INFO L158 Benchmark]: Boogie Preprocessor took 48.92ms. Allocated memory is still 117.4MB. Free memory was 73.9MB in the beginning and 72.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:56:07,254 INFO L158 Benchmark]: RCFGBuilder took 576.99ms. Allocated memory is still 117.4MB. Free memory was 72.4MB in the beginning and 54.8MB in the end (delta: 17.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 21:56:07,255 INFO L158 Benchmark]: CodeCheck took 621.59ms. Allocated memory is still 117.4MB. Free memory was 54.8MB in the beginning and 77.8MB in the end (delta: -22.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:56:07,256 INFO L158 Benchmark]: Witness Printer took 6.68ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 77.7MB in the end (delta: 10.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:56:07,261 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, 15 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, 8 NumberOfCodeBlocks, 8 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: 1555]: 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 1571. 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); [L1548] static int badStatic = 0; [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_rand_multiply_21_bad() [L1562] int data; [L1563] data = 0 [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1564] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1565] badStatic = 1 [L1566] CALL badSink(data) [L1551] COND TRUE \read(badStatic) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=-1073774592, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=-1073774592, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=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 0.34ms. Allocated memory is still 83.9MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1319.24ms. Allocated memory is still 117.4MB. Free memory was 90.2MB in the beginning and 77.0MB in the end (delta: 13.2MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.66ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 73.9MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 48.92ms. Allocated memory is still 117.4MB. Free memory was 73.9MB in the beginning and 72.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 576.99ms. Allocated memory is still 117.4MB. Free memory was 72.4MB in the beginning and 54.8MB in the end (delta: 17.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 621.59ms. Allocated memory is still 117.4MB. Free memory was 54.8MB in the beginning and 77.8MB in the end (delta: -22.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.68ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 77.7MB in the end (delta: 10.8kB). 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 21:56:07,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49037e41-dcec-4a92-854a-f2790eca4d37/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