./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_64_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55194856-251c-475f-80ec-3a0d3e63651f/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55194856-251c-475f-80ec-3a0d3e63651f/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55194856-251c-475f-80ec-3a0d3e63651f/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55194856-251c-475f-80ec-3a0d3e63651f/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_64_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55194856-251c-475f-80ec-3a0d3e63651f/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55194856-251c-475f-80ec-3a0d3e63651f/bin/ukojak-verify-ENZ3QT5qd3 --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 c0d2a3e44145deb56f15ad0253dfa774d53f013ba39421fb01b01a6fcfac4bd6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:56:24,195 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:56:24,259 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55194856-251c-475f-80ec-3a0d3e63651f/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 03:56:24,263 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:56:24,264 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:56:24,285 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:56:24,286 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:56:24,287 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:56:24,287 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:56:24,287 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:56:24,287 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:56:24,288 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:56:24,288 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:56:24,288 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:56:24,288 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:56:24,288 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:56:24,288 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:56:24,288 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 03:56:24,289 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:56:24,289 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:56:24,289 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:56:24,289 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:56:24,289 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:56:24,289 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:56:24,290 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:56:24,290 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:56:24,290 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:56:24,290 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:56:24,290 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:56:24,290 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:56:24,291 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:56:24,291 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:56:24,291 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_55194856-251c-475f-80ec-3a0d3e63651f/bin/ukojak-verify-ENZ3QT5qd3 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 -> c0d2a3e44145deb56f15ad0253dfa774d53f013ba39421fb01b01a6fcfac4bd6 [2024-11-25 03:56:24,628 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:56:24,641 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:56:24,644 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:56:24,648 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:56:24,648 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:56:24,649 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55194856-251c-475f-80ec-3a0d3e63651f/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_64_bad.i [2024-11-25 03:56:27,898 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55194856-251c-475f-80ec-3a0d3e63651f/bin/ukojak-verify-ENZ3QT5qd3/data/95cf4fcc4/bfb11ed1dbae4bb9be15897facc6580b/FLAG9e59803eb [2024-11-25 03:56:28,379 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:56:28,383 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55194856-251c-475f-80ec-3a0d3e63651f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_64_bad.i [2024-11-25 03:56:28,423 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55194856-251c-475f-80ec-3a0d3e63651f/bin/ukojak-verify-ENZ3QT5qd3/data/95cf4fcc4/bfb11ed1dbae4bb9be15897facc6580b/FLAG9e59803eb [2024-11-25 03:56:28,450 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55194856-251c-475f-80ec-3a0d3e63651f/bin/ukojak-verify-ENZ3QT5qd3/data/95cf4fcc4/bfb11ed1dbae4bb9be15897facc6580b [2024-11-25 03:56:28,453 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:56:28,456 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:56:28,459 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:56:28,460 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:56:28,465 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:56:28,466 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:56:28" (1/1) ... [2024-11-25 03:56:28,467 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a9fd262 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:28, skipping insertion in model container [2024-11-25 03:56:28,467 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:56:28" (1/1) ... [2024-11-25 03:56:28,538 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:56:29,464 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:56:29,476 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:56:29,596 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:56:29,781 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:56:29,782 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:29 WrapperNode [2024-11-25 03:56:29,783 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:56:29,784 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:56:29,784 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:56:29,784 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:56:29,794 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:29" (1/1) ... [2024-11-25 03:56:29,826 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:29" (1/1) ... [2024-11-25 03:56:29,862 INFO L138 Inliner]: procedures = 498, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 100 [2024-11-25 03:56:29,863 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:56:29,864 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:56:29,864 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:56:29,864 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:56:29,873 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:29" (1/1) ... [2024-11-25 03:56:29,873 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:29" (1/1) ... [2024-11-25 03:56:29,883 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:29" (1/1) ... [2024-11-25 03:56:29,883 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:29" (1/1) ... [2024-11-25 03:56:29,892 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:29" (1/1) ... [2024-11-25 03:56:29,893 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:29" (1/1) ... [2024-11-25 03:56:29,898 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:29" (1/1) ... [2024-11-25 03:56:29,902 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:29" (1/1) ... [2024-11-25 03:56:29,903 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:29" (1/1) ... [2024-11-25 03:56:29,905 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:56:29,906 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:56:29,907 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:56:29,907 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:56:29,908 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:29" (1/1) ... [2024-11-25 03:56:29,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:56:29,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55194856-251c-475f-80ec-3a0d3e63651f/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:56:29,949 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55194856-251c-475f-80ec-3a0d3e63651f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:56:29,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55194856-251c-475f-80ec-3a0d3e63651f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:56:29,984 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 03:56:29,984 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 03:56:29,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 03:56:29,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-25 03:56:29,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:56:29,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:56:29,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:56:29,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 03:56:29,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 03:56:30,116 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:56:30,118 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:56:30,344 INFO L? ?]: Removed 62 outVars from TransFormulas that were not future-live. [2024-11-25 03:56:30,344 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:56:30,679 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:56:30,679 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 03:56:30,680 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:56:30 BoogieIcfgContainer [2024-11-25 03:56:30,680 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:56:30,681 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:56:30,681 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:56:30,693 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:56:30,693 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:56:30" (1/1) ... [2024-11-25 03:56:30,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:56:30,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:56:30,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-25 03:56:30,772 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-25 03:56:30,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 03:56:30,777 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:56:30,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:56:31,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:56:31,111 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:56:31,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:56:31,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:56:31,348 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:56:31,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:56:31,413 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 03:56:31,453 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:56:31 ImpRootNode [2024-11-25 03:56:31,457 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:56:31,458 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:56:31,458 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:56:31,458 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:56:31,459 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:56:30" (3/4) ... [2024-11-25 03:56:31,466 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 03:56:31,467 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:56:31,468 INFO L158 Benchmark]: Toolchain (without parser) took 3012.06ms. Allocated memory is still 117.4MB. Free memory was 89.7MB in the beginning and 50.9MB in the end (delta: 38.8MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. [2024-11-25 03:56:31,470 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 117.4MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:56:31,471 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1324.77ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 80.0MB in the end (delta: 9.5MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. [2024-11-25 03:56:31,472 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.05ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 77.2MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:56:31,472 INFO L158 Benchmark]: Boogie Preprocessor took 42.10ms. Allocated memory is still 117.4MB. Free memory was 77.2MB in the beginning and 76.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:56:31,473 INFO L158 Benchmark]: RCFGBuilder took 773.79ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 87.2MB in the end (delta: -11.0MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. [2024-11-25 03:56:31,474 INFO L158 Benchmark]: CodeCheck took 776.25ms. Allocated memory is still 117.4MB. Free memory was 87.2MB in the beginning and 50.9MB in the end (delta: 36.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 03:56:31,475 INFO L158 Benchmark]: Witness Printer took 9.32ms. Allocated memory is still 117.4MB. Free memory is still 50.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:56:31,477 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: 0.7s, 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, 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1569]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1553. 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_rand_sub_64_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_sub_64b_badSink(&data) [L1566] int * dataPtr = (int *)dataVoidPtr; [L1567] EXPR \read(*dataPtr) [L1567] int data = (*dataPtr); [L1569] data - 1 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 0.44ms. Allocated memory is still 117.4MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1324.77ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 80.0MB in the end (delta: 9.5MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.05ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 77.2MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 42.10ms. Allocated memory is still 117.4MB. Free memory was 77.2MB in the beginning and 76.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 773.79ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 87.2MB in the end (delta: -11.0MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. * CodeCheck took 776.25ms. Allocated memory is still 117.4MB. Free memory was 87.2MB in the beginning and 50.9MB in the end (delta: 36.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 9.32ms. Allocated memory is still 117.4MB. Free memory is still 50.9MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 03:56:31,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55194856-251c-475f-80ec-3a0d3e63651f/bin/ukojak-verify-ENZ3QT5qd3/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_55194856-251c-475f-80ec-3a0d3e63651f/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55194856-251c-475f-80ec-3a0d3e63651f/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55194856-251c-475f-80ec-3a0d3e63651f/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55194856-251c-475f-80ec-3a0d3e63651f/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_64_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55194856-251c-475f-80ec-3a0d3e63651f/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55194856-251c-475f-80ec-3a0d3e63651f/bin/ukojak-verify-ENZ3QT5qd3 --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 c0d2a3e44145deb56f15ad0253dfa774d53f013ba39421fb01b01a6fcfac4bd6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:56:34,405 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:56:34,538 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55194856-251c-475f-80ec-3a0d3e63651f/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 03:56:34,592 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:56:34,593 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:56:34,593 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:56:34,594 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:56:34,595 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:56:34,596 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:56:34,596 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:56:34,596 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:56:34,597 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:56:34,597 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:56:34,597 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:56:34,597 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 03:56:34,597 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 03:56:34,597 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 03:56:34,598 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 03:56:34,598 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:56:34,598 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:56:34,598 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:56:34,598 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:56:34,598 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:56:34,598 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:56:34,599 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:56:34,599 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:56:34,599 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 03:56:34,599 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:56:34,599 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:56:34,599 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:56:34,600 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:56:34,600 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:56:34,600 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 03:56:34,600 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:56:34,601 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 03:56:34,601 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_55194856-251c-475f-80ec-3a0d3e63651f/bin/ukojak-verify-ENZ3QT5qd3 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 -> c0d2a3e44145deb56f15ad0253dfa774d53f013ba39421fb01b01a6fcfac4bd6 [2024-11-25 03:56:34,959 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:56:34,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:56:34,970 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:56:34,972 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:56:34,973 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:56:34,974 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55194856-251c-475f-80ec-3a0d3e63651f/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_64_bad.i [2024-11-25 03:56:38,082 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55194856-251c-475f-80ec-3a0d3e63651f/bin/ukojak-verify-ENZ3QT5qd3/data/bb1b7e911/5e1017d784b54d47bd2a72bf325ddff4/FLAG8c4d94387 [2024-11-25 03:56:38,549 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:56:38,549 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55194856-251c-475f-80ec-3a0d3e63651f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_64_bad.i [2024-11-25 03:56:38,580 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55194856-251c-475f-80ec-3a0d3e63651f/bin/ukojak-verify-ENZ3QT5qd3/data/bb1b7e911/5e1017d784b54d47bd2a72bf325ddff4/FLAG8c4d94387 [2024-11-25 03:56:38,598 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55194856-251c-475f-80ec-3a0d3e63651f/bin/ukojak-verify-ENZ3QT5qd3/data/bb1b7e911/5e1017d784b54d47bd2a72bf325ddff4 [2024-11-25 03:56:38,601 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:56:38,603 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:56:38,605 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:56:38,605 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:56:38,611 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:56:38,612 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:56:38" (1/1) ... [2024-11-25 03:56:38,613 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5beac74a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:38, skipping insertion in model container [2024-11-25 03:56:38,613 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:56:38" (1/1) ... [2024-11-25 03:56:38,663 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:56:39,846 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 03:56:39,849 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:56:39,863 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:56:39,987 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:56:40,135 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:56:40,136 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:40 WrapperNode [2024-11-25 03:56:40,136 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:56:40,137 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:56:40,137 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:56:40,137 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:56:40,143 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:40" (1/1) ... [2024-11-25 03:56:40,165 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:40" (1/1) ... [2024-11-25 03:56:40,189 INFO L138 Inliner]: procedures = 503, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 60 [2024-11-25 03:56:40,190 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:56:40,190 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:56:40,190 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:56:40,190 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:56:40,198 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:40" (1/1) ... [2024-11-25 03:56:40,198 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:40" (1/1) ... [2024-11-25 03:56:40,202 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:40" (1/1) ... [2024-11-25 03:56:40,202 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:40" (1/1) ... [2024-11-25 03:56:40,211 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:40" (1/1) ... [2024-11-25 03:56:40,212 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:40" (1/1) ... [2024-11-25 03:56:40,213 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:40" (1/1) ... [2024-11-25 03:56:40,216 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:40" (1/1) ... [2024-11-25 03:56:40,217 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:40" (1/1) ... [2024-11-25 03:56:40,220 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:56:40,221 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:56:40,221 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:56:40,221 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:56:40,223 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:40" (1/1) ... [2024-11-25 03:56:40,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:56:40,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55194856-251c-475f-80ec-3a0d3e63651f/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:56:40,264 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55194856-251c-475f-80ec-3a0d3e63651f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:56:40,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55194856-251c-475f-80ec-3a0d3e63651f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:56:40,295 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 03:56:40,295 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 03:56:40,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 03:56:40,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:56:40,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:56:40,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:56:40,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-25 03:56:40,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 03:56:40,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-25 03:56:40,495 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:56:40,497 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:56:40,646 INFO L? ?]: Removed 33 outVars from TransFormulas that were not future-live. [2024-11-25 03:56:40,646 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:56:40,723 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:56:40,723 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 03:56:40,724 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:56:40 BoogieIcfgContainer [2024-11-25 03:56:40,724 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:56:40,725 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:56:40,725 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:56:40,736 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:56:40,736 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:56:40" (1/1) ... [2024-11-25 03:56:40,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:56:40,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:56:40,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-25 03:56:40,793 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-25 03:56:40,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 03:56:40,797 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:56:40,798 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:56:40,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55194856-251c-475f-80ec-3a0d3e63651f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:56:40,802 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55194856-251c-475f-80ec-3a0d3e63651f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:56:40,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55194856-251c-475f-80ec-3a0d3e63651f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 03:56:41,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:56:41,072 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:56:41,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:56:41,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:56:41,271 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:56:41,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:56:41,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55194856-251c-475f-80ec-3a0d3e63651f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 03:56:41,373 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 03:56:41,418 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:56:41 ImpRootNode [2024-11-25 03:56:41,419 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:56:41,420 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:56:41,420 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:56:41,420 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:56:41,424 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:56:40" (3/4) ... [2024-11-25 03:56:41,425 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 03:56:41,484 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 6. [2024-11-25 03:56:41,549 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55194856-251c-475f-80ec-3a0d3e63651f/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 03:56:41,549 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55194856-251c-475f-80ec-3a0d3e63651f/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 03:56:41,549 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:56:41,550 INFO L158 Benchmark]: Toolchain (without parser) took 2947.18ms. Allocated memory is still 117.4MB. Free memory was 88.6MB in the beginning and 71.1MB in the end (delta: 17.6MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2024-11-25 03:56:41,551 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 83.9MB. Free memory is still 65.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:56:41,551 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1531.92ms. Allocated memory is still 117.4MB. Free memory was 88.6MB in the beginning and 78.3MB in the end (delta: 10.3MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2024-11-25 03:56:41,551 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.49ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 75.2MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:56:41,552 INFO L158 Benchmark]: Boogie Preprocessor took 30.35ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 73.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:56:41,552 INFO L158 Benchmark]: RCFGBuilder took 502.97ms. Allocated memory is still 117.4MB. Free memory was 73.7MB in the beginning and 54.7MB in the end (delta: 19.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:56:41,555 INFO L158 Benchmark]: CodeCheck took 694.48ms. Allocated memory is still 117.4MB. Free memory was 54.7MB in the beginning and 76.3MB in the end (delta: -21.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:56:41,556 INFO L158 Benchmark]: Witness Printer took 129.24ms. Allocated memory is still 117.4MB. Free memory was 76.3MB in the beginning and 71.1MB in the end (delta: 5.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:56:41,558 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s 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, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 1569]: integer overflow possible integer overflow possible We found a 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_rand_sub_64_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_sub_64b_badSink(&data) [L1566] int * dataPtr = (int *)dataVoidPtr; [L1567] EXPR \read(*dataPtr) [L1567] int data = (*dataPtr); [L1569] data - 1 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 0.48ms. Allocated memory is still 83.9MB. Free memory is still 65.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1531.92ms. Allocated memory is still 117.4MB. Free memory was 88.6MB in the beginning and 78.3MB in the end (delta: 10.3MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.49ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 75.2MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.35ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 73.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 502.97ms. Allocated memory is still 117.4MB. Free memory was 73.7MB in the beginning and 54.7MB in the end (delta: 19.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 694.48ms. Allocated memory is still 117.4MB. Free memory was 54.7MB in the beginning and 76.3MB in the end (delta: -21.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 129.24ms. Allocated memory is still 117.4MB. Free memory was 76.3MB in the beginning and 71.1MB in the end (delta: 5.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 03:56:41,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55194856-251c-475f-80ec-3a0d3e63651f/bin/ukojak-verify-ENZ3QT5qd3/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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)