./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_42_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_2449b026-6b6c-4f01-8a97-b9d94f813f4e/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2449b026-6b6c-4f01-8a97-b9d94f813f4e/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_2449b026-6b6c-4f01-8a97-b9d94f813f4e/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2449b026-6b6c-4f01-8a97-b9d94f813f4e/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2449b026-6b6c-4f01-8a97-b9d94f813f4e/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_2449b026-6b6c-4f01-8a97-b9d94f813f4e/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 5ba29f3b9fbd2336017d7fc6d821970a1d07be7c253b45c0e27ef2043f2c6dac --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:16:28,151 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:16:28,261 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2449b026-6b6c-4f01-8a97-b9d94f813f4e/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 23:16:28,270 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:16:28,270 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:16:28,306 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:16:28,309 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:16:28,309 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:16:28,309 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:16:28,310 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:16:28,311 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:16:28,311 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:16:28,312 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:16:28,312 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:16:28,312 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:16:28,312 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:16:28,312 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:16:28,312 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:16:28,312 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 23:16:28,313 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:16:28,313 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:16:28,313 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:16:28,313 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:16:28,314 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:16:28,314 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:16:28,314 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:16:28,314 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:16:28,314 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:16:28,315 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:16:28,315 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:16:28,315 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:16:28,315 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:16:28,315 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_2449b026-6b6c-4f01-8a97-b9d94f813f4e/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 -> 5ba29f3b9fbd2336017d7fc6d821970a1d07be7c253b45c0e27ef2043f2c6dac [2024-11-13 23:16:28,656 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:16:28,667 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:16:28,670 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:16:28,671 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:16:28,672 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:16:28,673 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2449b026-6b6c-4f01-8a97-b9d94f813f4e/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_42_bad.i Unable to find full path for "g++" [2024-11-13 23:16:30,717 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:16:31,227 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:16:31,228 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2449b026-6b6c-4f01-8a97-b9d94f813f4e/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_42_bad.i [2024-11-13 23:16:31,272 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2449b026-6b6c-4f01-8a97-b9d94f813f4e/bin/ukojak-verify-EEHR8qb7sm/data/1382d68ae/4f3a45016bcb409194f24558f1374999/FLAG1316e963d [2024-11-13 23:16:31,302 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2449b026-6b6c-4f01-8a97-b9d94f813f4e/bin/ukojak-verify-EEHR8qb7sm/data/1382d68ae/4f3a45016bcb409194f24558f1374999 [2024-11-13 23:16:31,307 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:16:31,310 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:16:31,312 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:16:31,313 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:16:31,322 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:16:31,324 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:16:31" (1/1) ... [2024-11-13 23:16:31,325 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52fb6832 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:31, skipping insertion in model container [2024-11-13 23:16:31,326 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:16:31" (1/1) ... [2024-11-13 23:16:31,415 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:16:32,671 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:16:32,684 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:16:32,865 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:16:33,078 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:16:33,078 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:33 WrapperNode [2024-11-13 23:16:33,079 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:16:33,080 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:16:33,080 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:16:33,080 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:16:33,088 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:33" (1/1) ... [2024-11-13 23:16:33,122 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:33" (1/1) ... [2024-11-13 23:16:33,162 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 48 [2024-11-13 23:16:33,163 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:16:33,164 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:16:33,164 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:16:33,164 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:16:33,174 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:33" (1/1) ... [2024-11-13 23:16:33,175 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:33" (1/1) ... [2024-11-13 23:16:33,178 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:33" (1/1) ... [2024-11-13 23:16:33,182 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:33" (1/1) ... [2024-11-13 23:16:33,191 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:33" (1/1) ... [2024-11-13 23:16:33,196 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:33" (1/1) ... [2024-11-13 23:16:33,197 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:33" (1/1) ... [2024-11-13 23:16:33,202 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:33" (1/1) ... [2024-11-13 23:16:33,204 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:16:33,209 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:16:33,209 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:16:33,209 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:16:33,210 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:33" (1/1) ... [2024-11-13 23:16:33,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:16:33,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2449b026-6b6c-4f01-8a97-b9d94f813f4e/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:16:33,264 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2449b026-6b6c-4f01-8a97-b9d94f813f4e/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:16:33,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2449b026-6b6c-4f01-8a97-b9d94f813f4e/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:16:33,310 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 23:16:33,311 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 23:16:33,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:16:33,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:16:33,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:16:33,482 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:16:33,484 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:16:33,609 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-13 23:16:33,609 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:16:33,694 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:16:33,694 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 23:16:33,695 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:16:33 BoogieIcfgContainer [2024-11-13 23:16:33,695 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:16:33,696 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:16:33,696 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:16:33,710 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:16:33,711 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:16:33" (1/1) ... [2024-11-13 23:16:33,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:16:33,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:33,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 23:16:33,796 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 23:16:33,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 23:16:33,801 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:33,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:16:33,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:16:33,967 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:16:33,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:16:34,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:16:34,084 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:16:34,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:16:34,138 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 23:16:34,175 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:16:34 ImpRootNode [2024-11-13 23:16:34,176 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:16:34,176 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:16:34,176 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:16:34,177 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:16:34,177 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:16:33" (3/4) ... [2024-11-13 23:16:34,181 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:16:34,182 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:16:34,183 INFO L158 Benchmark]: Toolchain (without parser) took 2874.04ms. Allocated memory is still 117.4MB. Free memory was 87.8MB in the beginning and 48.4MB in the end (delta: 39.4MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. [2024-11-13 23:16:34,184 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 83.9MB. Free memory is still 41.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:16:34,184 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1767.51ms. Allocated memory is still 117.4MB. Free memory was 87.6MB in the beginning and 78.3MB in the end (delta: 9.2MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2024-11-13 23:16:34,185 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.91ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 76.3MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:16:34,185 INFO L158 Benchmark]: Boogie Preprocessor took 44.15ms. Allocated memory is still 117.4MB. Free memory was 76.3MB in the beginning and 74.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:16:34,186 INFO L158 Benchmark]: RCFGBuilder took 486.28ms. Allocated memory is still 117.4MB. Free memory was 74.9MB in the beginning and 61.6MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:16:34,186 INFO L158 Benchmark]: CodeCheck took 479.90ms. Allocated memory is still 117.4MB. Free memory was 61.6MB in the beginning and 48.4MB in the end (delta: 13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:16:34,187 INFO L158 Benchmark]: Witness Printer took 6.04ms. Allocated memory is still 117.4MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:16:34,191 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 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 1567. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1567] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1567] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL CWE191_Integer_Underflow__int_min_postdec_42_bad() [L1555] int data; [L1556] data = 0 [L1557] CALL, EXPR badSource(data) [L1550] data = (-0x7fffffff - 1) [L1551] return data; [L1557] RET, EXPR badSource(data) [L1557] data = badSource(data) [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 0.46ms. Allocated memory is still 83.9MB. Free memory is still 41.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1767.51ms. Allocated memory is still 117.4MB. Free memory was 87.6MB in the beginning and 78.3MB in the end (delta: 9.2MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.91ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 76.3MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.15ms. Allocated memory is still 117.4MB. Free memory was 76.3MB in the beginning and 74.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 486.28ms. Allocated memory is still 117.4MB. Free memory was 74.9MB in the beginning and 61.6MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 479.90ms. Allocated memory is still 117.4MB. Free memory was 61.6MB in the beginning and 48.4MB in the end (delta: 13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 6.04ms. Allocated memory is still 117.4MB. Free memory is still 48.4MB. 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 23:16:34,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2449b026-6b6c-4f01-8a97-b9d94f813f4e/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_2449b026-6b6c-4f01-8a97-b9d94f813f4e/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2449b026-6b6c-4f01-8a97-b9d94f813f4e/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_2449b026-6b6c-4f01-8a97-b9d94f813f4e/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2449b026-6b6c-4f01-8a97-b9d94f813f4e/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2449b026-6b6c-4f01-8a97-b9d94f813f4e/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_2449b026-6b6c-4f01-8a97-b9d94f813f4e/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 5ba29f3b9fbd2336017d7fc6d821970a1d07be7c253b45c0e27ef2043f2c6dac --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:16:37,481 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:16:37,598 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2449b026-6b6c-4f01-8a97-b9d94f813f4e/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 23:16:37,657 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:16:37,659 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:16:37,660 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:16:37,660 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:16:37,661 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:16:37,661 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:16:37,662 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:16:37,662 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:16:37,662 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:16:37,662 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:16:37,663 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:16:37,663 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 23:16:37,663 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 23:16:37,663 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:16:37,663 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 23:16:37,664 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 23:16:37,664 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:16:37,664 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:16:37,664 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:16:37,664 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:16:37,664 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:16:37,665 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:16:37,665 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:37,665 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 23:16:37,665 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:16:37,665 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:16:37,665 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:16:37,666 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:16:37,666 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:16:37,666 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 23:16:37,666 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:37,667 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 23:16:37,667 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_2449b026-6b6c-4f01-8a97-b9d94f813f4e/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 -> 5ba29f3b9fbd2336017d7fc6d821970a1d07be7c253b45c0e27ef2043f2c6dac [2024-11-13 23:16:38,058 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:16:38,070 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:16:38,073 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:16:38,075 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:16:38,075 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:16:38,077 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2449b026-6b6c-4f01-8a97-b9d94f813f4e/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_42_bad.i Unable to find full path for "g++" [2024-11-13 23:16:40,471 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:16:41,021 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:16:41,022 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2449b026-6b6c-4f01-8a97-b9d94f813f4e/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_42_bad.i [2024-11-13 23:16:41,049 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2449b026-6b6c-4f01-8a97-b9d94f813f4e/bin/ukojak-verify-EEHR8qb7sm/data/aa3f79b50/d4c1670c10494fc38a7b2adbe9c4c8fb/FLAGc6b213d47 [2024-11-13 23:16:41,568 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2449b026-6b6c-4f01-8a97-b9d94f813f4e/bin/ukojak-verify-EEHR8qb7sm/data/aa3f79b50/d4c1670c10494fc38a7b2adbe9c4c8fb [2024-11-13 23:16:41,571 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:16:41,573 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:16:41,575 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:16:41,576 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:16:41,582 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:16:41,583 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:16:41" (1/1) ... [2024-11-13 23:16:41,584 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@428ee789 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:41, skipping insertion in model container [2024-11-13 23:16:41,585 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:16:41" (1/1) ... [2024-11-13 23:16:41,646 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:16:43,094 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:16:43,109 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:16:43,260 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:16:43,489 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:16:43,490 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:43 WrapperNode [2024-11-13 23:16:43,490 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:16:43,492 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:16:43,492 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:16:43,493 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:16:43,501 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:43" (1/1) ... [2024-11-13 23:16:43,544 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:43" (1/1) ... [2024-11-13 23:16:43,582 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 47 [2024-11-13 23:16:43,582 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:16:43,583 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:16:43,583 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:16:43,583 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:16:43,592 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:43" (1/1) ... [2024-11-13 23:16:43,592 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:43" (1/1) ... [2024-11-13 23:16:43,596 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:43" (1/1) ... [2024-11-13 23:16:43,600 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:43" (1/1) ... [2024-11-13 23:16:43,620 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:43" (1/1) ... [2024-11-13 23:16:43,622 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:43" (1/1) ... [2024-11-13 23:16:43,625 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:43" (1/1) ... [2024-11-13 23:16:43,631 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:43" (1/1) ... [2024-11-13 23:16:43,639 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:16:43,640 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:16:43,640 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:16:43,640 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:16:43,641 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:43" (1/1) ... [2024-11-13 23:16:43,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:16:43,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2449b026-6b6c-4f01-8a97-b9d94f813f4e/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:16:43,686 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2449b026-6b6c-4f01-8a97-b9d94f813f4e/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:16:43,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2449b026-6b6c-4f01-8a97-b9d94f813f4e/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:16:43,726 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 23:16:43,727 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 23:16:43,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:16:43,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:16:43,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:16:43,992 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:16:43,997 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:16:44,177 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-13 23:16:44,177 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:16:44,282 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:16:44,283 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 23:16:44,284 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:16:44 BoogieIcfgContainer [2024-11-13 23:16:44,284 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:16:44,285 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:16:44,285 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:16:44,299 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:16:44,300 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:16:44" (1/1) ... [2024-11-13 23:16:44,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:16:44,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:44,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 23:16:44,382 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 23:16:44,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 23:16:44,387 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:44,388 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:44,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2449b026-6b6c-4f01-8a97-b9d94f813f4e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:44,395 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2449b026-6b6c-4f01-8a97-b9d94f813f4e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:44,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2449b026-6b6c-4f01-8a97-b9d94f813f4e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 23:16:44,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:16:44,616 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:16:44,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:16:44,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:16:44,785 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:16:44,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:16:44,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2449b026-6b6c-4f01-8a97-b9d94f813f4e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 23:16:44,927 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 23:16:44,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:16:44 ImpRootNode [2024-11-13 23:16:44,975 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:16:44,977 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:16:44,977 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:16:44,978 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:16:44,979 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:16:44" (3/4) ... [2024-11-13 23:16:44,983 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:16:44,985 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:16:44,986 INFO L158 Benchmark]: Toolchain (without parser) took 3412.57ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 84.2MB in the end (delta: 5.0MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2024-11-13 23:16:44,987 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 117.4MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:16:44,988 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1915.57ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 67.2MB in the end (delta: 21.7MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. [2024-11-13 23:16:44,989 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.70ms. Allocated memory is still 117.4MB. Free memory was 67.2MB in the beginning and 64.7MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:16:44,992 INFO L158 Benchmark]: Boogie Preprocessor took 56.47ms. Allocated memory is still 117.4MB. Free memory was 64.7MB in the beginning and 63.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:16:44,992 INFO L158 Benchmark]: RCFGBuilder took 644.41ms. Allocated memory is still 117.4MB. Free memory was 63.2MB in the beginning and 47.0MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:16:44,993 INFO L158 Benchmark]: CodeCheck took 690.04ms. Allocated memory is still 117.4MB. Free memory was 47.0MB in the beginning and 84.9MB in the end (delta: -37.8MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2024-11-13 23:16:44,993 INFO L158 Benchmark]: Witness Printer took 7.71ms. Allocated memory is still 117.4MB. Free memory was 84.9MB in the beginning and 84.2MB in the end (delta: 712.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:16:44,996 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, 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, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 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 1567. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1567] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1567] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL CWE191_Integer_Underflow__int_min_postdec_42_bad() [L1555] int data; [L1556] data = 0 [L1557] CALL, EXPR badSource(data) [L1550] data = (-0x7fffffff - 1) [L1551] return data; [L1557] RET, EXPR badSource(data) [L1557] data = badSource(data) [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 0.52ms. Allocated memory is still 117.4MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1915.57ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 67.2MB in the end (delta: 21.7MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.70ms. Allocated memory is still 117.4MB. Free memory was 67.2MB in the beginning and 64.7MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 56.47ms. Allocated memory is still 117.4MB. Free memory was 64.7MB in the beginning and 63.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 644.41ms. Allocated memory is still 117.4MB. Free memory was 63.2MB in the beginning and 47.0MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 690.04ms. Allocated memory is still 117.4MB. Free memory was 47.0MB in the beginning and 84.9MB in the end (delta: -37.8MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. * Witness Printer took 7.71ms. Allocated memory is still 117.4MB. Free memory was 84.9MB in the beginning and 84.2MB in the end (delta: 712.2kB). 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 23:16:45,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2449b026-6b6c-4f01-8a97-b9d94f813f4e/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