./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_08_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_f8fec60b-1592-4e92-8fdd-726422f3eab2/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8fec60b-1592-4e92-8fdd-726422f3eab2/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_f8fec60b-1592-4e92-8fdd-726422f3eab2/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8fec60b-1592-4e92-8fdd-726422f3eab2/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_08_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8fec60b-1592-4e92-8fdd-726422f3eab2/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_f8fec60b-1592-4e92-8fdd-726422f3eab2/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 2e4fb4b63bcdd58b6328d3d8ac7e686ad7215cae7de56dced0453676ba573c19 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:54:52,756 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:54:52,868 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8fec60b-1592-4e92-8fdd-726422f3eab2/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 20:54:52,874 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:54:52,874 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:54:52,917 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:54:52,920 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:54:52,920 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:54:52,921 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:54:52,921 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:54:52,922 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:54:52,923 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:54:52,923 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:54:52,923 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:54:52,923 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:54:52,923 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:54:52,924 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:54:52,924 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:54:52,924 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:54:52,925 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:54:52,925 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:54:52,925 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:54:52,925 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:54:52,925 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:54:52,926 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:54:52,926 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:54:52,926 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:54:52,926 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:54:52,926 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:54:52,926 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:54:52,926 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:54:52,926 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:54:52,926 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_f8fec60b-1592-4e92-8fdd-726422f3eab2/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 -> 2e4fb4b63bcdd58b6328d3d8ac7e686ad7215cae7de56dced0453676ba573c19 [2024-11-13 20:54:53,281 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:54:53,291 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:54:53,296 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:54:53,298 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:54:53,298 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:54:53,300 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8fec60b-1592-4e92-8fdd-726422f3eab2/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_08_bad.i Unable to find full path for "g++" [2024-11-13 20:54:55,499 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:54:55,987 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:54:55,987 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8fec60b-1592-4e92-8fdd-726422f3eab2/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_08_bad.i [2024-11-13 20:54:56,014 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8fec60b-1592-4e92-8fdd-726422f3eab2/bin/ukojak-verify-EEHR8qb7sm/data/942ee323d/de9d3ea95649414f8cf6466098ce8b01/FLAGd62e58834 [2024-11-13 20:54:56,031 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8fec60b-1592-4e92-8fdd-726422f3eab2/bin/ukojak-verify-EEHR8qb7sm/data/942ee323d/de9d3ea95649414f8cf6466098ce8b01 [2024-11-13 20:54:56,034 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:54:56,036 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:54:56,038 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:54:56,038 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:54:56,043 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:54:56,044 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:54:56" (1/1) ... [2024-11-13 20:54:56,045 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ec3f48e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:54:56, skipping insertion in model container [2024-11-13 20:54:56,045 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:54:56" (1/1) ... [2024-11-13 20:54:56,102 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:54:57,184 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:54:57,194 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:54:57,345 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:54:57,551 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:54:57,552 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:54:57 WrapperNode [2024-11-13 20:54:57,553 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:54:57,554 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:54:57,554 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:54:57,554 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:54:57,563 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:54:57" (1/1) ... [2024-11-13 20:54:57,599 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:54:57" (1/1) ... [2024-11-13 20:54:57,638 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 109 [2024-11-13 20:54:57,639 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:54:57,639 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:54:57,639 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:54:57,640 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:54:57,650 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:54:57" (1/1) ... [2024-11-13 20:54:57,650 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:54:57" (1/1) ... [2024-11-13 20:54:57,658 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:54:57" (1/1) ... [2024-11-13 20:54:57,659 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:54:57" (1/1) ... [2024-11-13 20:54:57,673 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:54:57" (1/1) ... [2024-11-13 20:54:57,676 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:54:57" (1/1) ... [2024-11-13 20:54:57,678 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:54:57" (1/1) ... [2024-11-13 20:54:57,679 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:54:57" (1/1) ... [2024-11-13 20:54:57,682 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:54:57,683 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:54:57,684 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:54:57,684 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:54:57,685 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:54:57" (1/1) ... [2024-11-13 20:54:57,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:54:57,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8fec60b-1592-4e92-8fdd-726422f3eab2/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:54:57,731 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8fec60b-1592-4e92-8fdd-726422f3eab2/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:54:57,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8fec60b-1592-4e92-8fdd-726422f3eab2/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:54:57,772 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:54:57,773 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:54:57,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:54:57,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:54:57,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:54:57,773 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2024-11-13 20:54:57,773 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2024-11-13 20:54:57,999 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:54:58,001 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:54:58,323 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2024-11-13 20:54:58,324 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:54:58,660 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:54:58,661 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:54:58,661 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:54:58 BoogieIcfgContainer [2024-11-13 20:54:58,661 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:54:58,663 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:54:58,665 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:54:58,677 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:54:58,678 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:54:58" (1/1) ... [2024-11-13 20:54:58,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:54:58,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:54:58,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 20 states and 22 transitions. [2024-11-13 20:54:58,825 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2024-11-13 20:54:58,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 20:54:58,832 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:54:58,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:54:59,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:54:59,224 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:54:59,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:54:59,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:54:59,507 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:54:59,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:54:59,589 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:54:59,638 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:54:59 ImpRootNode [2024-11-13 20:54:59,638 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:54:59,639 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:54:59,639 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:54:59,639 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:54:59,641 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:54:58" (3/4) ... [2024-11-13 20:54:59,644 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:54:59,646 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:54:59,647 INFO L158 Benchmark]: Toolchain (without parser) took 3611.02ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 48.1MB in the end (delta: 40.9MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. [2024-11-13 20:54:59,647 INFO L158 Benchmark]: CDTParser took 1.13ms. Allocated memory is still 117.4MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:54:59,647 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1515.80ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 79.4MB in the end (delta: 9.6MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2024-11-13 20:54:59,648 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.62ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 76.4MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:54:59,648 INFO L158 Benchmark]: Boogie Preprocessor took 43.34ms. Allocated memory is still 117.4MB. Free memory was 76.4MB in the beginning and 75.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:54:59,648 INFO L158 Benchmark]: RCFGBuilder took 978.12ms. Allocated memory is still 117.4MB. Free memory was 75.3MB in the beginning and 33.4MB in the end (delta: 41.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-13 20:54:59,651 INFO L158 Benchmark]: CodeCheck took 974.80ms. Allocated memory is still 117.4MB. Free memory was 33.4MB in the beginning and 48.1MB in the end (delta: -14.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:54:59,652 INFO L158 Benchmark]: Witness Printer took 6.89ms. Allocated memory is still 117.4MB. Free memory was 48.1MB in the beginning and 48.1MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:54:59,654 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 3 procedures, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, 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, 15 NumberOfCodeBlocks, 15 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: 1567]: 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 1576, overapproximation of bitwiseOr at line 1562. 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); [L1576] 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) [L1576] 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] [L1577] CALL CWE191_Integer_Underflow__int_rand_postdec_08_bad() [L1558] int data; [L1559] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1560] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] COND TRUE staticReturnsTrue() [L1562] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1562] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1562] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1562] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1562] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1564] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1564] RET staticReturnsTrue() 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] [L1564] COND TRUE staticReturnsTrue() [L1567] 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 1.13ms. Allocated memory is still 117.4MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1515.80ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 79.4MB in the end (delta: 9.6MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.62ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 76.4MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.34ms. Allocated memory is still 117.4MB. Free memory was 76.4MB in the beginning and 75.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 978.12ms. Allocated memory is still 117.4MB. Free memory was 75.3MB in the beginning and 33.4MB in the end (delta: 41.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 974.80ms. Allocated memory is still 117.4MB. Free memory was 33.4MB in the beginning and 48.1MB in the end (delta: -14.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.89ms. Allocated memory is still 117.4MB. Free memory was 48.1MB in the beginning and 48.1MB in the end (delta: 13.7kB). 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 20:54:59,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8fec60b-1592-4e92-8fdd-726422f3eab2/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_f8fec60b-1592-4e92-8fdd-726422f3eab2/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8fec60b-1592-4e92-8fdd-726422f3eab2/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_f8fec60b-1592-4e92-8fdd-726422f3eab2/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8fec60b-1592-4e92-8fdd-726422f3eab2/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_08_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8fec60b-1592-4e92-8fdd-726422f3eab2/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_f8fec60b-1592-4e92-8fdd-726422f3eab2/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 2e4fb4b63bcdd58b6328d3d8ac7e686ad7215cae7de56dced0453676ba573c19 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:55:02,765 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:55:02,916 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8fec60b-1592-4e92-8fdd-726422f3eab2/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 20:55:02,947 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:55:02,948 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:55:02,948 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:55:02,949 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:55:02,949 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:55:02,949 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:55:02,949 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:55:02,950 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:55:02,950 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:55:02,950 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:55:02,950 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:55:02,950 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:55:02,950 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:55:02,951 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:55:02,951 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:55:02,951 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:55:02,951 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:55:02,951 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:55:02,951 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:55:02,952 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:55:02,952 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:55:02,952 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:55:02,952 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:55:02,952 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:55:02,952 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:55:02,953 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:55:02,953 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:55:02,953 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:55:02,953 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:55:02,953 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:55:02,953 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:55:02,954 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:55:02,954 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_f8fec60b-1592-4e92-8fdd-726422f3eab2/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 -> 2e4fb4b63bcdd58b6328d3d8ac7e686ad7215cae7de56dced0453676ba573c19 [2024-11-13 20:55:03,298 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:55:03,309 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:55:03,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:55:03,316 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:55:03,316 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:55:03,317 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8fec60b-1592-4e92-8fdd-726422f3eab2/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_08_bad.i Unable to find full path for "g++" [2024-11-13 20:55:05,397 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:55:05,848 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:55:05,852 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8fec60b-1592-4e92-8fdd-726422f3eab2/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_08_bad.i [2024-11-13 20:55:05,887 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8fec60b-1592-4e92-8fdd-726422f3eab2/bin/ukojak-verify-EEHR8qb7sm/data/c532b56ca/e61205ab90a24b0982829da70c33d81e/FLAG2539eb4c2 [2024-11-13 20:55:05,967 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8fec60b-1592-4e92-8fdd-726422f3eab2/bin/ukojak-verify-EEHR8qb7sm/data/c532b56ca/e61205ab90a24b0982829da70c33d81e [2024-11-13 20:55:05,970 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:55:05,972 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:55:05,973 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:55:05,974 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:55:05,979 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:55:05,980 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:55:05" (1/1) ... [2024-11-13 20:55:05,982 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29e5fc8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:05, skipping insertion in model container [2024-11-13 20:55:05,982 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:55:05" (1/1) ... [2024-11-13 20:55:06,057 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:55:07,153 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:55:07,169 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:55:07,345 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:55:07,589 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:55:07,590 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:07 WrapperNode [2024-11-13 20:55:07,591 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:55:07,592 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:55:07,592 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:55:07,593 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:55:07,606 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:07" (1/1) ... [2024-11-13 20:55:07,652 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:07" (1/1) ... [2024-11-13 20:55:07,691 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 67 [2024-11-13 20:55:07,693 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:55:07,694 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:55:07,694 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:55:07,694 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:55:07,704 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:07" (1/1) ... [2024-11-13 20:55:07,704 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:07" (1/1) ... [2024-11-13 20:55:07,708 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:07" (1/1) ... [2024-11-13 20:55:07,712 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:07" (1/1) ... [2024-11-13 20:55:07,728 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:07" (1/1) ... [2024-11-13 20:55:07,734 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:07" (1/1) ... [2024-11-13 20:55:07,737 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:07" (1/1) ... [2024-11-13 20:55:07,742 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:07" (1/1) ... [2024-11-13 20:55:07,748 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:55:07,749 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:55:07,752 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:55:07,755 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:55:07,756 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:07" (1/1) ... [2024-11-13 20:55:07,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:55:07,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8fec60b-1592-4e92-8fdd-726422f3eab2/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:55:07,800 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8fec60b-1592-4e92-8fdd-726422f3eab2/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:55:07,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8fec60b-1592-4e92-8fdd-726422f3eab2/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:55:07,841 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:55:07,842 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:55:07,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:55:07,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:55:07,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:55:07,843 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2024-11-13 20:55:07,843 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2024-11-13 20:55:08,033 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:55:08,036 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:55:08,195 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-13 20:55:08,195 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:55:08,331 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:55:08,331 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:55:08,334 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:55:08 BoogieIcfgContainer [2024-11-13 20:55:08,335 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:55:08,336 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:55:08,336 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:55:08,349 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:55:08,349 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:55:08" (1/1) ... [2024-11-13 20:55:08,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:55:08,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:55:08,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 19 states and 21 transitions. [2024-11-13 20:55:08,429 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2024-11-13 20:55:08,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 20:55:08,435 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:55:08,436 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:55:08,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8fec60b-1592-4e92-8fdd-726422f3eab2/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:55:08,439 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8fec60b-1592-4e92-8fdd-726422f3eab2/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:55:08,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8fec60b-1592-4e92-8fdd-726422f3eab2/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:55:08,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:55:08,713 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:55:08,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:55:08,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:55:08,956 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:55:08,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:55:09,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8fec60b-1592-4e92-8fdd-726422f3eab2/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:55:09,044 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:55:09,100 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:55:09 ImpRootNode [2024-11-13 20:55:09,102 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:55:09,104 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:55:09,104 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:55:09,105 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:55:09,106 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:55:08" (3/4) ... [2024-11-13 20:55:09,109 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:55:09,111 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:55:09,112 INFO L158 Benchmark]: Toolchain (without parser) took 3140.42ms. Allocated memory is still 83.9MB. Free memory was 57.4MB in the beginning and 35.7MB in the end (delta: 21.7MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. [2024-11-13 20:55:09,114 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory was 64.7MB in the beginning and 64.6MB in the end (delta: 34.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:55:09,114 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1618.04ms. Allocated memory is still 83.9MB. Free memory was 57.4MB in the beginning and 49.7MB in the end (delta: 7.7MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. [2024-11-13 20:55:09,115 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.58ms. Allocated memory is still 83.9MB. Free memory was 49.7MB in the beginning and 46.9MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:55:09,119 INFO L158 Benchmark]: Boogie Preprocessor took 54.08ms. Allocated memory is still 83.9MB. Free memory was 46.9MB in the beginning and 45.3MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:55:09,120 INFO L158 Benchmark]: RCFGBuilder took 586.04ms. Allocated memory is still 83.9MB. Free memory was 45.3MB in the beginning and 51.5MB in the end (delta: -6.3MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2024-11-13 20:55:09,120 INFO L158 Benchmark]: CodeCheck took 766.44ms. Allocated memory is still 83.9MB. Free memory was 51.5MB in the beginning and 35.7MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:55:09,121 INFO L158 Benchmark]: Witness Printer took 7.31ms. Allocated memory is still 83.9MB. Free memory is still 35.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:55:09,126 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 3 procedures, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, 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, 14 NumberOfCodeBlocks, 14 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: 1567]: 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 1576. 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); [L1576] 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) [L1576] 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] [L1577] CALL CWE191_Integer_Underflow__int_rand_postdec_08_bad() [L1558] int data; [L1559] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1560] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] COND TRUE staticReturnsTrue() [L1562] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1562] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1562] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1564] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1564] RET staticReturnsTrue() 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] [L1564] COND TRUE staticReturnsTrue() [L1567] 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 0.33ms. Allocated memory is still 83.9MB. Free memory was 64.7MB in the beginning and 64.6MB in the end (delta: 34.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1618.04ms. Allocated memory is still 83.9MB. Free memory was 57.4MB in the beginning and 49.7MB in the end (delta: 7.7MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.58ms. Allocated memory is still 83.9MB. Free memory was 49.7MB in the beginning and 46.9MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 54.08ms. Allocated memory is still 83.9MB. Free memory was 46.9MB in the beginning and 45.3MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 586.04ms. Allocated memory is still 83.9MB. Free memory was 45.3MB in the beginning and 51.5MB in the end (delta: -6.3MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. * CodeCheck took 766.44ms. Allocated memory is still 83.9MB. Free memory was 51.5MB in the beginning and 35.7MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 7.31ms. Allocated memory is still 83.9MB. Free memory is still 35.7MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:55:09,168 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8fec60b-1592-4e92-8fdd-726422f3eab2/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