./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_52_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_85d4c00f-2af9-4c6a-a348-f4b1fe95ac25/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d4c00f-2af9-4c6a-a348-f4b1fe95ac25/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_85d4c00f-2af9-4c6a-a348-f4b1fe95ac25/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d4c00f-2af9-4c6a-a348-f4b1fe95ac25/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d4c00f-2af9-4c6a-a348-f4b1fe95ac25/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_85d4c00f-2af9-4c6a-a348-f4b1fe95ac25/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 4bf3aa12f2c4a1716f09059ff7644a3e029400e37768765cd2add767948dc3c8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:17:52,060 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:17:52,161 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d4c00f-2af9-4c6a-a348-f4b1fe95ac25/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 20:17:52,168 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:17:52,169 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:17:52,196 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:17:52,197 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:17:52,197 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:17:52,198 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:17:52,198 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:17:52,198 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:17:52,198 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:17:52,198 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:17:52,198 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:17:52,198 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:17:52,198 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:17:52,198 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:17:52,199 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:17:52,201 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:17:52,201 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:17:52,201 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:17:52,201 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:17:52,201 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:17:52,202 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:17:52,202 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:17:52,202 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:17:52,202 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:17:52,202 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:17:52,202 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:17:52,202 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:17:52,202 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:17:52,202 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:17:52,202 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_85d4c00f-2af9-4c6a-a348-f4b1fe95ac25/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 -> 4bf3aa12f2c4a1716f09059ff7644a3e029400e37768765cd2add767948dc3c8 [2024-11-13 20:17:52,555 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:17:52,566 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:17:52,571 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:17:52,573 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:17:52,573 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:17:52,574 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d4c00f-2af9-4c6a-a348-f4b1fe95ac25/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_52_bad.i Unable to find full path for "g++" [2024-11-13 20:17:54,581 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:17:55,050 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:17:55,050 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d4c00f-2af9-4c6a-a348-f4b1fe95ac25/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_52_bad.i [2024-11-13 20:17:55,096 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d4c00f-2af9-4c6a-a348-f4b1fe95ac25/bin/ukojak-verify-EEHR8qb7sm/data/8ab799366/9ae1d35cabb44bddbb1d763b1f2f7a11/FLAGf21879564 [2024-11-13 20:17:55,125 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d4c00f-2af9-4c6a-a348-f4b1fe95ac25/bin/ukojak-verify-EEHR8qb7sm/data/8ab799366/9ae1d35cabb44bddbb1d763b1f2f7a11 [2024-11-13 20:17:55,128 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:17:55,129 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:17:55,133 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:17:55,133 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:17:55,138 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:17:55,139 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:17:55" (1/1) ... [2024-11-13 20:17:55,142 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5915ec9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:55, skipping insertion in model container [2024-11-13 20:17:55,143 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:17:55" (1/1) ... [2024-11-13 20:17:55,222 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:17:56,231 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:17:56,240 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:17:56,332 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:17:56,529 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:17:56,530 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:56 WrapperNode [2024-11-13 20:17:56,530 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:17:56,531 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:17:56,533 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:17:56,533 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:17:56,541 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:56" (1/1) ... [2024-11-13 20:17:56,575 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:56" (1/1) ... [2024-11-13 20:17:56,611 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 49 [2024-11-13 20:17:56,613 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:17:56,613 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:17:56,614 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:17:56,614 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:17:56,623 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:56" (1/1) ... [2024-11-13 20:17:56,623 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:56" (1/1) ... [2024-11-13 20:17:56,630 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:56" (1/1) ... [2024-11-13 20:17:56,631 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:56" (1/1) ... [2024-11-13 20:17:56,640 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:56" (1/1) ... [2024-11-13 20:17:56,646 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:56" (1/1) ... [2024-11-13 20:17:56,647 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:56" (1/1) ... [2024-11-13 20:17:56,648 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:56" (1/1) ... [2024-11-13 20:17:56,654 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:17:56,655 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:17:56,655 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:17:56,655 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:17:56,657 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:56" (1/1) ... [2024-11-13 20:17:56,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:17:56,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d4c00f-2af9-4c6a-a348-f4b1fe95ac25/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:17:56,712 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d4c00f-2af9-4c6a-a348-f4b1fe95ac25/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:17:56,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d4c00f-2af9-4c6a-a348-f4b1fe95ac25/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:17:56,750 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:17:56,750 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:17:56,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:17:56,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:17:56,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:17:56,918 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:17:56,920 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:17:57,027 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-13 20:17:57,027 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:17:57,069 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:17:57,069 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:17:57,069 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:57 BoogieIcfgContainer [2024-11-13 20:17:57,069 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:17:57,070 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:17:57,070 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:17:57,081 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:17:57,082 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:57" (1/1) ... [2024-11-13 20:17:57,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:17:57,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:57,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 20:17:57,156 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 20:17:57,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 20:17:57,160 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:57,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:57,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:57,280 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:17:57,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:57,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:57,362 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:17:57,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:57,399 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:17:57,436 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:17:57 ImpRootNode [2024-11-13 20:17:57,436 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:17:57,438 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:17:57,438 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:17:57,438 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:17:57,440 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:57" (3/4) ... [2024-11-13 20:17:57,442 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:17:57,443 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:17:57,444 INFO L158 Benchmark]: Toolchain (without parser) took 2315.08ms. Allocated memory is still 117.4MB. Free memory was 89.9MB in the beginning and 49.9MB in the end (delta: 40.0MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2024-11-13 20:17:57,445 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 117.4MB. Free memory was 75.3MB in the beginning and 75.1MB in the end (delta: 196.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:57,445 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1399.93ms. Allocated memory is still 117.4MB. Free memory was 89.6MB in the beginning and 81.2MB in the end (delta: 8.5MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2024-11-13 20:17:57,446 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.45ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 78.8MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:17:57,449 INFO L158 Benchmark]: Boogie Preprocessor took 40.83ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 77.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:57,449 INFO L158 Benchmark]: RCFGBuilder took 414.48ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 63.8MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:17:57,450 INFO L158 Benchmark]: CodeCheck took 366.21ms. Allocated memory is still 117.4MB. Free memory was 63.8MB in the beginning and 49.9MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:17:57,450 INFO L158 Benchmark]: Witness Printer took 5.45ms. Allocated memory is still 117.4MB. Free memory is still 49.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:57,457 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: 0.3s, 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, 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: 1572]: 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 1559. 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_postdec_52_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE191_Integer_Underflow__int_fscanf_postdec_52b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_fscanf_postdec_52c_badSink(data) [L1572] 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 0.45ms. Allocated memory is still 117.4MB. Free memory was 75.3MB in the beginning and 75.1MB in the end (delta: 196.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1399.93ms. Allocated memory is still 117.4MB. Free memory was 89.6MB in the beginning and 81.2MB in the end (delta: 8.5MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.45ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 78.8MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.83ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 77.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 414.48ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 63.8MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 366.21ms. Allocated memory is still 117.4MB. Free memory was 63.8MB in the beginning and 49.9MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 5.45ms. Allocated memory is still 117.4MB. Free memory is still 49.9MB. 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 20:17:57,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d4c00f-2af9-4c6a-a348-f4b1fe95ac25/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_85d4c00f-2af9-4c6a-a348-f4b1fe95ac25/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d4c00f-2af9-4c6a-a348-f4b1fe95ac25/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_85d4c00f-2af9-4c6a-a348-f4b1fe95ac25/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d4c00f-2af9-4c6a-a348-f4b1fe95ac25/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d4c00f-2af9-4c6a-a348-f4b1fe95ac25/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_85d4c00f-2af9-4c6a-a348-f4b1fe95ac25/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 4bf3aa12f2c4a1716f09059ff7644a3e029400e37768765cd2add767948dc3c8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:18:00,661 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:18:00,772 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d4c00f-2af9-4c6a-a348-f4b1fe95ac25/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 20:18:00,831 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:18:00,833 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:18:00,833 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:18:00,834 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:18:00,834 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:18:00,835 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:18:00,835 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:18:00,836 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:18:00,836 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:18:00,836 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:18:00,837 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:18:00,837 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:18:00,837 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:18:00,837 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:18:00,838 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:18:00,838 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:18:00,838 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:18:00,838 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:18:00,838 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:18:00,839 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:18:00,839 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:18:00,839 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:18:00,839 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:00,839 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:18:00,839 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:18:00,839 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:18:00,840 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:18:00,840 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:18:00,840 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:18:00,840 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:18:00,840 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:00,840 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:18:00,840 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_85d4c00f-2af9-4c6a-a348-f4b1fe95ac25/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 -> 4bf3aa12f2c4a1716f09059ff7644a3e029400e37768765cd2add767948dc3c8 [2024-11-13 20:18:01,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:18:01,189 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:18:01,192 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:18:01,196 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:18:01,197 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:18:01,198 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d4c00f-2af9-4c6a-a348-f4b1fe95ac25/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_52_bad.i Unable to find full path for "g++" [2024-11-13 20:18:03,145 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:18:03,688 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:18:03,689 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d4c00f-2af9-4c6a-a348-f4b1fe95ac25/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_52_bad.i [2024-11-13 20:18:03,727 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d4c00f-2af9-4c6a-a348-f4b1fe95ac25/bin/ukojak-verify-EEHR8qb7sm/data/cbe6deac8/03b59708a257465da60f02475ee1239e/FLAG514ceee54 [2024-11-13 20:18:03,756 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d4c00f-2af9-4c6a-a348-f4b1fe95ac25/bin/ukojak-verify-EEHR8qb7sm/data/cbe6deac8/03b59708a257465da60f02475ee1239e [2024-11-13 20:18:03,759 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:18:03,761 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:18:03,763 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:18:03,764 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:18:03,769 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:18:03,771 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:18:03" (1/1) ... [2024-11-13 20:18:03,773 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d690a5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:03, skipping insertion in model container [2024-11-13 20:18:03,774 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:18:03" (1/1) ... [2024-11-13 20:18:03,823 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:18:04,876 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:18:04,899 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:18:05,020 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:18:05,225 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:18:05,226 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:05 WrapperNode [2024-11-13 20:18:05,226 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:18:05,227 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:18:05,227 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:18:05,227 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:18:05,235 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:05" (1/1) ... [2024-11-13 20:18:05,265 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:05" (1/1) ... [2024-11-13 20:18:05,291 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 48 [2024-11-13 20:18:05,291 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:18:05,292 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:18:05,293 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:18:05,293 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:18:05,302 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:05" (1/1) ... [2024-11-13 20:18:05,302 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:05" (1/1) ... [2024-11-13 20:18:05,306 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:05" (1/1) ... [2024-11-13 20:18:05,307 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:05" (1/1) ... [2024-11-13 20:18:05,325 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:05" (1/1) ... [2024-11-13 20:18:05,331 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:05" (1/1) ... [2024-11-13 20:18:05,335 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:05" (1/1) ... [2024-11-13 20:18:05,339 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:05" (1/1) ... [2024-11-13 20:18:05,343 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:18:05,347 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:18:05,347 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:18:05,347 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:18:05,348 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:05" (1/1) ... [2024-11-13 20:18:05,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:18:05,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d4c00f-2af9-4c6a-a348-f4b1fe95ac25/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:18:05,382 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d4c00f-2af9-4c6a-a348-f4b1fe95ac25/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:18:05,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d4c00f-2af9-4c6a-a348-f4b1fe95ac25/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:18:05,417 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:18:05,417 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:18:05,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:18:05,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:18:05,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:18:05,661 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:18:05,663 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:18:05,806 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-13 20:18:05,806 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:18:05,877 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:18:05,878 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:18:05,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:18:05 BoogieIcfgContainer [2024-11-13 20:18:05,879 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:18:05,879 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:18:05,880 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:18:05,893 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:18:05,893 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:18:05" (1/1) ... [2024-11-13 20:18:05,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:18:05,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:05,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 20:18:05,966 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 20:18:05,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 20:18:05,972 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:05,973 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:05,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d4c00f-2af9-4c6a-a348-f4b1fe95ac25/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:05,977 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d4c00f-2af9-4c6a-a348-f4b1fe95ac25/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:05,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d4c00f-2af9-4c6a-a348-f4b1fe95ac25/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:18:06,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:18:06,193 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:18:06,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:18:06,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:18:06,337 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:18:06,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:18:06,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d4c00f-2af9-4c6a-a348-f4b1fe95ac25/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:18:06,430 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:18:06,469 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:18:06 ImpRootNode [2024-11-13 20:18:06,469 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:18:06,470 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:18:06,471 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:18:06,472 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:18:06,473 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:18:05" (3/4) ... [2024-11-13 20:18:06,476 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:18:06,477 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:18:06,479 INFO L158 Benchmark]: Toolchain (without parser) took 2717.95ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 83.6MB in the end (delta: 7.6MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2024-11-13 20:18:06,479 INFO L158 Benchmark]: CDTParser took 1.47ms. Allocated memory is still 83.9MB. Free memory is still 49.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:18:06,482 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1463.78ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 77.9MB in the end (delta: 13.1MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2024-11-13 20:18:06,483 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.85ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 75.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:18:06,483 INFO L158 Benchmark]: Boogie Preprocessor took 53.41ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 73.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:18:06,484 INFO L158 Benchmark]: RCFGBuilder took 531.97ms. Allocated memory is still 117.4MB. Free memory was 73.5MB in the beginning and 58.5MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:18:06,484 INFO L158 Benchmark]: CodeCheck took 589.94ms. Allocated memory is still 117.4MB. Free memory was 57.8MB in the beginning and 84.2MB in the end (delta: -26.3MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2024-11-13 20:18:06,485 INFO L158 Benchmark]: Witness Printer took 7.44ms. Allocated memory is still 117.4MB. Free memory was 83.6MB in the beginning and 83.6MB in the end (delta: 19.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:18:06,490 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: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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: 1572]: 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 1559. 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_postdec_52_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE191_Integer_Underflow__int_fscanf_postdec_52b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_fscanf_postdec_52c_badSink(data) [L1572] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.47ms. Allocated memory is still 83.9MB. Free memory is still 49.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1463.78ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 77.9MB in the end (delta: 13.1MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.85ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 75.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 53.41ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 73.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 531.97ms. Allocated memory is still 117.4MB. Free memory was 73.5MB in the beginning and 58.5MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 589.94ms. Allocated memory is still 117.4MB. Free memory was 57.8MB in the beginning and 84.2MB in the end (delta: -26.3MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. * Witness Printer took 7.44ms. Allocated memory is still 117.4MB. Free memory was 83.6MB in the beginning and 83.6MB in the end (delta: 19.3kB). 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 20:18:06,529 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d4c00f-2af9-4c6a-a348-f4b1fe95ac25/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