./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_16_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_dfad1dbc-7540-41d0-bfe9-db48c30860b5/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfad1dbc-7540-41d0-bfe9-db48c30860b5/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_dfad1dbc-7540-41d0-bfe9-db48c30860b5/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfad1dbc-7540-41d0-bfe9-db48c30860b5/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_16_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfad1dbc-7540-41d0-bfe9-db48c30860b5/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_dfad1dbc-7540-41d0-bfe9-db48c30860b5/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 4d8cd2249fe91d9322c549d828bd9a6cd7687f22a43585de30485c04c420db7a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:31:02,666 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:31:02,736 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfad1dbc-7540-41d0-bfe9-db48c30860b5/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 20:31:02,742 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:31:02,743 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:31:02,769 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:31:02,771 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:31:02,771 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:31:02,772 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:31:02,772 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:31:02,772 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:31:02,772 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:31:02,772 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:31:02,773 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:31:02,773 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:31:02,773 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:31:02,773 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:31:02,773 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:31:02,773 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:31:02,773 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:31:02,773 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:31:02,773 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:31:02,776 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:31:02,777 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:31:02,777 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:31:02,777 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:31:02,777 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:31:02,777 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:31:02,778 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:31:02,778 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:31:02,778 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:31:02,779 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:31:02,779 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_dfad1dbc-7540-41d0-bfe9-db48c30860b5/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 -> 4d8cd2249fe91d9322c549d828bd9a6cd7687f22a43585de30485c04c420db7a [2024-11-13 20:31:03,169 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:31:03,178 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:31:03,184 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:31:03,185 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:31:03,185 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:31:03,187 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfad1dbc-7540-41d0-bfe9-db48c30860b5/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_16_bad.i Unable to find full path for "g++" [2024-11-13 20:31:05,264 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:31:05,729 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:31:05,732 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfad1dbc-7540-41d0-bfe9-db48c30860b5/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_16_bad.i [2024-11-13 20:31:05,774 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfad1dbc-7540-41d0-bfe9-db48c30860b5/bin/ukojak-verify-EEHR8qb7sm/data/cf4d5e4cf/1a7650ddf3ed41dc8f48e33b5e5f89de/FLAGa5154adbf [2024-11-13 20:31:05,801 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfad1dbc-7540-41d0-bfe9-db48c30860b5/bin/ukojak-verify-EEHR8qb7sm/data/cf4d5e4cf/1a7650ddf3ed41dc8f48e33b5e5f89de [2024-11-13 20:31:05,807 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:31:05,809 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:31:05,811 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:31:05,815 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:31:05,821 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:31:05,823 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:31:05" (1/1) ... [2024-11-13 20:31:05,824 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b99986f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:05, skipping insertion in model container [2024-11-13 20:31:05,827 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:31:05" (1/1) ... [2024-11-13 20:31:05,900 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:31:06,951 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:31:06,964 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:31:07,101 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:31:07,266 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:31:07,267 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:07 WrapperNode [2024-11-13 20:31:07,267 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:31:07,268 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:31:07,268 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:31:07,268 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:31:07,275 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:07" (1/1) ... [2024-11-13 20:31:07,301 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:07" (1/1) ... [2024-11-13 20:31:07,323 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 49 [2024-11-13 20:31:07,324 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:31:07,325 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:31:07,325 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:31:07,325 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:31:07,334 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:07" (1/1) ... [2024-11-13 20:31:07,334 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:07" (1/1) ... [2024-11-13 20:31:07,339 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:07" (1/1) ... [2024-11-13 20:31:07,339 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:07" (1/1) ... [2024-11-13 20:31:07,351 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:07" (1/1) ... [2024-11-13 20:31:07,358 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:07" (1/1) ... [2024-11-13 20:31:07,359 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:07" (1/1) ... [2024-11-13 20:31:07,360 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:07" (1/1) ... [2024-11-13 20:31:07,366 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:31:07,367 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:31:07,367 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:31:07,367 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:31:07,371 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:07" (1/1) ... [2024-11-13 20:31:07,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:31:07,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfad1dbc-7540-41d0-bfe9-db48c30860b5/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:31:07,424 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfad1dbc-7540-41d0-bfe9-db48c30860b5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:31:07,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfad1dbc-7540-41d0-bfe9-db48c30860b5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:31:07,467 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:31:07,468 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:31:07,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:31:07,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:31:07,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:31:07,679 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:31:07,681 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:31:07,820 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-13 20:31:07,821 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:31:07,882 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:31:07,882 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 20:31:07,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:31:07 BoogieIcfgContainer [2024-11-13 20:31:07,883 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:31:07,884 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:31:07,884 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:31:07,896 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:31:07,896 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:31:07" (1/1) ... [2024-11-13 20:31:07,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:31:07,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:07,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 20:31:07,962 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 20:31:07,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:31:07,967 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:07,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:31:08,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:31:08,077 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:31:08,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:31:08,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:31:08,142 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:31:08,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:31:08,173 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:31:08,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:31:08 ImpRootNode [2024-11-13 20:31:08,200 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:31:08,201 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:31:08,201 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:31:08,201 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:31:08,202 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:31:07" (3/4) ... [2024-11-13 20:31:08,204 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:31:08,205 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:31:08,207 INFO L158 Benchmark]: Toolchain (without parser) took 2398.00ms. Allocated memory is still 117.4MB. Free memory was 89.6MB in the beginning and 53.2MB in the end (delta: 36.4MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. [2024-11-13 20:31:08,207 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 83.9MB. Free memory was 41.5MB in the beginning and 41.3MB in the end (delta: 195.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:31:08,208 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1456.55ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 82.7MB in the end (delta: 6.6MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2024-11-13 20:31:08,208 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.15ms. Allocated memory is still 117.4MB. Free memory was 82.7MB in the beginning and 80.8MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:31:08,209 INFO L158 Benchmark]: Boogie Preprocessor took 41.56ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 79.3MB in the end (delta: 728.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:31:08,209 INFO L158 Benchmark]: RCFGBuilder took 516.32ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 66.4MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:31:08,210 INFO L158 Benchmark]: CodeCheck took 316.23ms. Allocated memory is still 117.4MB. Free memory was 66.4MB in the beginning and 53.2MB in the end (delta: 13.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:31:08,210 INFO L158 Benchmark]: Witness Printer took 5.09ms. Allocated memory is still 117.4MB. Free memory is still 53.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:31:08,213 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1560]: 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 1570. 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); [L1570] 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) [L1570] 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] [L1571] CALL CWE191_Integer_Underflow__int_min_predec_16_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE 1 [L1554] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1557] COND TRUE 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] --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 0.35ms. Allocated memory is still 83.9MB. Free memory was 41.5MB in the beginning and 41.3MB in the end (delta: 195.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1456.55ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 82.7MB in the end (delta: 6.6MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.15ms. Allocated memory is still 117.4MB. Free memory was 82.7MB in the beginning and 80.8MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.56ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 79.3MB in the end (delta: 728.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 516.32ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 66.4MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 316.23ms. Allocated memory is still 117.4MB. Free memory was 66.4MB in the beginning and 53.2MB in the end (delta: 13.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.09ms. Allocated memory is still 117.4MB. Free memory is still 53.2MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:31:08,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfad1dbc-7540-41d0-bfe9-db48c30860b5/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_dfad1dbc-7540-41d0-bfe9-db48c30860b5/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfad1dbc-7540-41d0-bfe9-db48c30860b5/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_dfad1dbc-7540-41d0-bfe9-db48c30860b5/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfad1dbc-7540-41d0-bfe9-db48c30860b5/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_16_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfad1dbc-7540-41d0-bfe9-db48c30860b5/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_dfad1dbc-7540-41d0-bfe9-db48c30860b5/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 4d8cd2249fe91d9322c549d828bd9a6cd7687f22a43585de30485c04c420db7a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:31:11,150 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:31:11,299 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfad1dbc-7540-41d0-bfe9-db48c30860b5/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 20:31:11,388 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:31:11,389 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:31:11,390 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:31:11,390 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:31:11,390 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:31:11,390 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:31:11,391 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:31:11,396 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:31:11,396 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:31:11,396 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:31:11,396 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:31:11,396 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:31:11,396 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:31:11,397 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:31:11,397 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:31:11,397 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:31:11,397 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:31:11,397 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:31:11,397 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:31:11,397 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:31:11,398 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:31:11,398 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:31:11,398 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:31:11,398 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:31:11,398 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:31:11,398 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:31:11,398 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:31:11,399 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:31:11,399 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:31:11,399 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:31:11,399 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:31:11,399 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:31:11,399 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_dfad1dbc-7540-41d0-bfe9-db48c30860b5/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 -> 4d8cd2249fe91d9322c549d828bd9a6cd7687f22a43585de30485c04c420db7a [2024-11-13 20:31:11,788 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:31:11,805 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:31:11,808 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:31:11,810 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:31:11,811 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:31:11,816 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfad1dbc-7540-41d0-bfe9-db48c30860b5/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_16_bad.i Unable to find full path for "g++" [2024-11-13 20:31:13,910 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:31:14,520 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:31:14,521 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfad1dbc-7540-41d0-bfe9-db48c30860b5/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_16_bad.i [2024-11-13 20:31:14,568 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfad1dbc-7540-41d0-bfe9-db48c30860b5/bin/ukojak-verify-EEHR8qb7sm/data/5c1ad104e/71537cbad3e54f52885008c4174c5d19/FLAG97faffde8 [2024-11-13 20:31:14,596 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfad1dbc-7540-41d0-bfe9-db48c30860b5/bin/ukojak-verify-EEHR8qb7sm/data/5c1ad104e/71537cbad3e54f52885008c4174c5d19 [2024-11-13 20:31:14,599 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:31:14,601 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:31:14,603 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:31:14,605 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:31:14,611 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:31:14,613 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:31:14" (1/1) ... [2024-11-13 20:31:14,616 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65aa5f59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:14, skipping insertion in model container [2024-11-13 20:31:14,617 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:31:14" (1/1) ... [2024-11-13 20:31:14,694 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:31:15,943 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:31:15,958 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:31:16,093 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:31:16,264 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:31:16,264 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:16 WrapperNode [2024-11-13 20:31:16,265 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:31:16,266 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:31:16,266 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:31:16,266 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:31:16,274 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:16" (1/1) ... [2024-11-13 20:31:16,301 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:16" (1/1) ... [2024-11-13 20:31:16,327 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 49 [2024-11-13 20:31:16,328 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:31:16,328 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:31:16,328 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:31:16,328 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:31:16,339 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:16" (1/1) ... [2024-11-13 20:31:16,340 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:16" (1/1) ... [2024-11-13 20:31:16,345 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:16" (1/1) ... [2024-11-13 20:31:16,349 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:16" (1/1) ... [2024-11-13 20:31:16,368 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:16" (1/1) ... [2024-11-13 20:31:16,376 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:16" (1/1) ... [2024-11-13 20:31:16,382 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:16" (1/1) ... [2024-11-13 20:31:16,383 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:16" (1/1) ... [2024-11-13 20:31:16,389 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:31:16,390 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:31:16,390 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:31:16,390 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:31:16,391 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:16" (1/1) ... [2024-11-13 20:31:16,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:31:16,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfad1dbc-7540-41d0-bfe9-db48c30860b5/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:31:16,441 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfad1dbc-7540-41d0-bfe9-db48c30860b5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:31:16,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfad1dbc-7540-41d0-bfe9-db48c30860b5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:31:16,480 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:31:16,480 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:31:16,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:31:16,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:31:16,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:31:16,718 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:31:16,720 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:31:16,880 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-13 20:31:16,880 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:31:16,971 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:31:16,973 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 20:31:16,973 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:31:16 BoogieIcfgContainer [2024-11-13 20:31:16,973 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:31:16,976 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:31:16,976 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:31:16,988 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:31:16,988 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:31:16" (1/1) ... [2024-11-13 20:31:16,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:31:17,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:17,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 20:31:17,063 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 20:31:17,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:31:17,068 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:17,069 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:31:17,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfad1dbc-7540-41d0-bfe9-db48c30860b5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:31:17,072 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfad1dbc-7540-41d0-bfe9-db48c30860b5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:31:17,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfad1dbc-7540-41d0-bfe9-db48c30860b5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:31:17,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:31:17,261 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:31:17,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:31:17,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:31:17,366 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:31:17,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:31:17,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfad1dbc-7540-41d0-bfe9-db48c30860b5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:31:17,415 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:31:17,457 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:31:17 ImpRootNode [2024-11-13 20:31:17,458 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:31:17,517 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:31:17,517 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:31:17,517 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:31:17,520 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:31:16" (3/4) ... [2024-11-13 20:31:17,523 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:31:17,524 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:31:17,528 INFO L158 Benchmark]: Toolchain (without parser) took 2924.35ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 88.8MB in the beginning and 220.9MB in the end (delta: -132.1MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2024-11-13 20:31:17,529 INFO L158 Benchmark]: CDTParser took 0.67ms. Allocated memory is still 117.4MB. Free memory is still 84.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:31:17,529 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1661.82ms. Allocated memory is still 117.4MB. Free memory was 88.6MB in the beginning and 68.3MB in the end (delta: 20.3MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. [2024-11-13 20:31:17,529 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.78ms. Allocated memory is still 117.4MB. Free memory was 68.3MB in the beginning and 65.2MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:31:17,530 INFO L158 Benchmark]: Boogie Preprocessor took 60.79ms. Allocated memory is still 117.4MB. Free memory was 65.2MB in the beginning and 63.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:31:17,530 INFO L158 Benchmark]: RCFGBuilder took 583.85ms. Allocated memory is still 117.4MB. Free memory was 63.7MB in the beginning and 48.6MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:31:17,531 INFO L158 Benchmark]: CodeCheck took 482.78ms. Allocated memory is still 117.4MB. Free memory was 48.6MB in the beginning and 36.2MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:31:17,531 INFO L158 Benchmark]: Witness Printer took 6.93ms. Allocated memory is still 251.7MB. Free memory was 221.0MB in the beginning and 220.9MB in the end (delta: 51.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:31:17,538 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1560]: 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 1570. 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); [L1570] 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) [L1570] 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] [L1571] CALL CWE191_Integer_Underflow__int_min_predec_16_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE 1 [L1554] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1557] COND TRUE 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] --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 0.67ms. Allocated memory is still 117.4MB. Free memory is still 84.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1661.82ms. Allocated memory is still 117.4MB. Free memory was 88.6MB in the beginning and 68.3MB in the end (delta: 20.3MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.78ms. Allocated memory is still 117.4MB. Free memory was 68.3MB in the beginning and 65.2MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 60.79ms. Allocated memory is still 117.4MB. Free memory was 65.2MB in the beginning and 63.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 583.85ms. Allocated memory is still 117.4MB. Free memory was 63.7MB in the beginning and 48.6MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 482.78ms. Allocated memory is still 117.4MB. Free memory was 48.6MB in the beginning and 36.2MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 6.93ms. Allocated memory is still 251.7MB. Free memory was 221.0MB in the beginning and 220.9MB in the end (delta: 51.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:31:17,581 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfad1dbc-7540-41d0-bfe9-db48c30860b5/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