./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_10_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_d5e73e26-f834-438f-b1b9-71746ab34977/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e73e26-f834-438f-b1b9-71746ab34977/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_d5e73e26-f834-438f-b1b9-71746ab34977/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e73e26-f834-438f-b1b9-71746ab34977/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_10_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e73e26-f834-438f-b1b9-71746ab34977/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_d5e73e26-f834-438f-b1b9-71746ab34977/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 1c9dd062103fb576d389560f1e36922dffcc95efe78dee0fd9cdcf8b4a46a2c3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:15:39,208 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:15:39,323 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e73e26-f834-438f-b1b9-71746ab34977/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 04:15:39,335 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:15:39,335 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:15:39,362 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:15:39,362 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:15:39,363 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:15:39,363 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:15:39,364 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:15:39,364 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:15:39,364 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:15:39,364 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:15:39,364 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:15:39,364 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:15:39,365 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:15:39,365 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:15:39,365 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:15:39,365 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:15:39,365 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:15:39,366 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:15:39,366 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:15:39,366 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:15:39,366 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:15:39,366 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:15:39,367 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:15:39,367 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:15:39,367 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:15:39,367 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:15:39,367 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:15:39,367 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:15:39,368 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:15:39,368 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_d5e73e26-f834-438f-b1b9-71746ab34977/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 -> 1c9dd062103fb576d389560f1e36922dffcc95efe78dee0fd9cdcf8b4a46a2c3 [2024-11-25 04:15:39,746 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:15:39,761 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:15:39,766 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:15:39,768 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:15:39,768 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:15:39,770 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e73e26-f834-438f-b1b9-71746ab34977/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_10_bad.i [2024-11-25 04:15:43,136 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e73e26-f834-438f-b1b9-71746ab34977/bin/ukojak-verify-ENZ3QT5qd3/data/1da3b6fad/1b009ba217454943a8202dd15c0a6e5b/FLAG2e61a546b [2024-11-25 04:15:43,671 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:15:43,672 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e73e26-f834-438f-b1b9-71746ab34977/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_10_bad.i [2024-11-25 04:15:43,701 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e73e26-f834-438f-b1b9-71746ab34977/bin/ukojak-verify-ENZ3QT5qd3/data/1da3b6fad/1b009ba217454943a8202dd15c0a6e5b/FLAG2e61a546b [2024-11-25 04:15:43,738 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e73e26-f834-438f-b1b9-71746ab34977/bin/ukojak-verify-ENZ3QT5qd3/data/1da3b6fad/1b009ba217454943a8202dd15c0a6e5b [2024-11-25 04:15:43,740 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:15:43,742 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:15:43,743 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:15:43,743 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:15:43,748 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:15:43,749 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:15:43" (1/1) ... [2024-11-25 04:15:43,750 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16b60f5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:15:43, skipping insertion in model container [2024-11-25 04:15:43,750 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:15:43" (1/1) ... [2024-11-25 04:15:43,804 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:15:44,928 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:15:44,937 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:15:45,036 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:15:45,249 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:15:45,249 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:15:45 WrapperNode [2024-11-25 04:15:45,250 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:15:45,251 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:15:45,251 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:15:45,252 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:15:45,266 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:15:45" (1/1) ... [2024-11-25 04:15:45,302 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:15:45" (1/1) ... [2024-11-25 04:15:45,350 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 97 [2024-11-25 04:15:45,351 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:15:45,352 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:15:45,352 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:15:45,352 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:15:45,367 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:15:45" (1/1) ... [2024-11-25 04:15:45,367 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:15:45" (1/1) ... [2024-11-25 04:15:45,370 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:15:45" (1/1) ... [2024-11-25 04:15:45,370 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:15:45" (1/1) ... [2024-11-25 04:15:45,375 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:15:45" (1/1) ... [2024-11-25 04:15:45,376 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:15:45" (1/1) ... [2024-11-25 04:15:45,379 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:15:45" (1/1) ... [2024-11-25 04:15:45,380 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:15:45" (1/1) ... [2024-11-25 04:15:45,387 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:15:45" (1/1) ... [2024-11-25 04:15:45,389 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:15:45,393 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:15:45,394 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:15:45,394 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:15:45,395 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:15:45" (1/1) ... [2024-11-25 04:15:45,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:15:45,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e73e26-f834-438f-b1b9-71746ab34977/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:15:45,460 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e73e26-f834-438f-b1b9-71746ab34977/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:15:45,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e73e26-f834-438f-b1b9-71746ab34977/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:15:45,501 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 04:15:45,501 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 04:15:45,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:15:45,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:15:45,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:15:45,704 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:15:45,706 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:15:45,968 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2024-11-25 04:15:45,969 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:15:46,383 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:15:46,384 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:15:46,384 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:15:46 BoogieIcfgContainer [2024-11-25 04:15:46,385 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:15:46,386 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:15:46,386 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:15:46,398 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:15:46,398 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:15:46" (1/1) ... [2024-11-25 04:15:46,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:15:46,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:15:46,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-25 04:15:46,472 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-25 04:15:46,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:15:46,477 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:15:46,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:15:46,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:15:46,861 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:15:46,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:15:47,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:15:47,114 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:15:47,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:15:47,211 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 04:15:47,261 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:15:47 ImpRootNode [2024-11-25 04:15:47,261 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:15:47,264 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:15:47,265 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:15:47,265 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:15:47,267 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:15:46" (3/4) ... [2024-11-25 04:15:47,270 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 04:15:47,271 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:15:47,273 INFO L158 Benchmark]: Toolchain (without parser) took 3530.70ms. Allocated memory was 117.4MB in the beginning and 310.4MB in the end (delta: 192.9MB). Free memory was 81.7MB in the beginning and 241.6MB in the end (delta: -159.9MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. [2024-11-25 04:15:47,273 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 167.8MB. Free memory is still 104.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:15:47,274 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1506.99ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 71.6MB in the end (delta: 9.8MB). Peak memory consumption was 66.9MB. Max. memory is 16.1GB. [2024-11-25 04:15:47,274 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.19ms. Allocated memory is still 117.4MB. Free memory was 71.6MB in the beginning and 68.8MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:15:47,275 INFO L158 Benchmark]: Boogie Preprocessor took 38.16ms. Allocated memory is still 117.4MB. Free memory was 68.8MB in the beginning and 67.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:15:47,279 INFO L158 Benchmark]: RCFGBuilder took 991.20ms. Allocated memory was 117.4MB in the beginning and 310.4MB in the end (delta: 192.9MB). Free memory was 67.6MB in the beginning and 274.6MB in the end (delta: -207.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-25 04:15:47,281 INFO L158 Benchmark]: CodeCheck took 875.40ms. Allocated memory is still 310.4MB. Free memory was 274.6MB in the beginning and 242.3MB in the end (delta: 32.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 04:15:47,281 INFO L158 Benchmark]: Witness Printer took 7.23ms. Allocated memory is still 310.4MB. Free memory is still 241.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:15:47,287 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1554. 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); [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_rand_postdec_10_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(globalTrue) [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] COND TRUE \read(globalTrue) [L1559] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 167.8MB. Free memory is still 104.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1506.99ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 71.6MB in the end (delta: 9.8MB). Peak memory consumption was 66.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 100.19ms. Allocated memory is still 117.4MB. Free memory was 71.6MB in the beginning and 68.8MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.16ms. Allocated memory is still 117.4MB. Free memory was 68.8MB in the beginning and 67.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 991.20ms. Allocated memory was 117.4MB in the beginning and 310.4MB in the end (delta: 192.9MB). Free memory was 67.6MB in the beginning and 274.6MB in the end (delta: -207.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 875.40ms. Allocated memory is still 310.4MB. Free memory was 274.6MB in the beginning and 242.3MB in the end (delta: 32.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 7.23ms. Allocated memory is still 310.4MB. Free memory is still 241.6MB. 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 04:15:47,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e73e26-f834-438f-b1b9-71746ab34977/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_d5e73e26-f834-438f-b1b9-71746ab34977/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e73e26-f834-438f-b1b9-71746ab34977/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_d5e73e26-f834-438f-b1b9-71746ab34977/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e73e26-f834-438f-b1b9-71746ab34977/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_10_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e73e26-f834-438f-b1b9-71746ab34977/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_d5e73e26-f834-438f-b1b9-71746ab34977/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 1c9dd062103fb576d389560f1e36922dffcc95efe78dee0fd9cdcf8b4a46a2c3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:15:50,574 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:15:50,734 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e73e26-f834-438f-b1b9-71746ab34977/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 04:15:50,785 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:15:50,787 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:15:50,787 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:15:50,787 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:15:50,788 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:15:50,788 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:15:50,789 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:15:50,789 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:15:50,789 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:15:50,789 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:15:50,789 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:15:50,789 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:15:50,789 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:15:50,789 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:15:50,789 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:15:50,790 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:15:50,790 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:15:50,790 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:15:50,792 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:15:50,792 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:15:50,792 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:15:50,792 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:15:50,792 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:15:50,793 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:15:50,793 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:15:50,793 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:15:50,793 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:15:50,793 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:15:50,793 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:15:50,793 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:15:50,793 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:15:50,794 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:15:50,794 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_d5e73e26-f834-438f-b1b9-71746ab34977/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 -> 1c9dd062103fb576d389560f1e36922dffcc95efe78dee0fd9cdcf8b4a46a2c3 [2024-11-25 04:15:51,238 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:15:51,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:15:51,251 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:15:51,252 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:15:51,253 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:15:51,254 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e73e26-f834-438f-b1b9-71746ab34977/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_10_bad.i [2024-11-25 04:15:54,429 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e73e26-f834-438f-b1b9-71746ab34977/bin/ukojak-verify-ENZ3QT5qd3/data/a38e06730/2cd0ff1ca2644f0dbf629cd991775405/FLAG7bf70dcca [2024-11-25 04:15:55,005 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:15:55,006 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e73e26-f834-438f-b1b9-71746ab34977/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_10_bad.i [2024-11-25 04:15:55,042 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e73e26-f834-438f-b1b9-71746ab34977/bin/ukojak-verify-ENZ3QT5qd3/data/a38e06730/2cd0ff1ca2644f0dbf629cd991775405/FLAG7bf70dcca [2024-11-25 04:15:55,065 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e73e26-f834-438f-b1b9-71746ab34977/bin/ukojak-verify-ENZ3QT5qd3/data/a38e06730/2cd0ff1ca2644f0dbf629cd991775405 [2024-11-25 04:15:55,070 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:15:55,072 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:15:55,074 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:15:55,074 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:15:55,081 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:15:55,082 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:15:55" (1/1) ... [2024-11-25 04:15:55,086 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42dd997 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:15:55, skipping insertion in model container [2024-11-25 04:15:55,086 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:15:55" (1/1) ... [2024-11-25 04:15:55,173 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:15:56,319 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:15:56,339 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:15:56,556 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:15:56,781 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:15:56,782 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:15:56 WrapperNode [2024-11-25 04:15:56,782 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:15:56,783 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:15:56,783 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:15:56,783 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:15:56,791 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:15:56" (1/1) ... [2024-11-25 04:15:56,836 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:15:56" (1/1) ... [2024-11-25 04:15:56,868 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2024-11-25 04:15:56,869 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:15:56,869 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:15:56,870 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:15:56,870 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:15:56,879 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:15:56" (1/1) ... [2024-11-25 04:15:56,880 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:15:56" (1/1) ... [2024-11-25 04:15:56,883 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:15:56" (1/1) ... [2024-11-25 04:15:56,884 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:15:56" (1/1) ... [2024-11-25 04:15:56,893 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:15:56" (1/1) ... [2024-11-25 04:15:56,894 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:15:56" (1/1) ... [2024-11-25 04:15:56,896 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:15:56" (1/1) ... [2024-11-25 04:15:56,899 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:15:56" (1/1) ... [2024-11-25 04:15:56,900 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:15:56" (1/1) ... [2024-11-25 04:15:56,904 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:15:56,904 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:15:56,905 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:15:56,905 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:15:56,906 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:15:56" (1/1) ... [2024-11-25 04:15:56,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:15:56,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e73e26-f834-438f-b1b9-71746ab34977/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:15:56,957 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e73e26-f834-438f-b1b9-71746ab34977/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:15:56,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e73e26-f834-438f-b1b9-71746ab34977/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:15:56,999 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 04:15:56,999 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 04:15:56,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:15:57,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:15:57,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:15:57,197 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:15:57,199 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:15:57,383 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-25 04:15:57,383 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:15:57,552 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:15:57,553 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:15:57,553 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:15:57 BoogieIcfgContainer [2024-11-25 04:15:57,555 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:15:57,556 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:15:57,557 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:15:57,572 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:15:57,573 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:15:57" (1/1) ... [2024-11-25 04:15:57,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:15:57,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:15:57,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-25 04:15:57,656 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-25 04:15:57,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:15:57,661 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:15:57,662 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:15:57,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e73e26-f834-438f-b1b9-71746ab34977/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:15:57,666 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e73e26-f834-438f-b1b9-71746ab34977/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:15:57,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e73e26-f834-438f-b1b9-71746ab34977/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:15:57,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:15:57,939 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:15:58,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:15:58,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:15:58,128 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:15:58,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:15:58,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e73e26-f834-438f-b1b9-71746ab34977/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 04:15:58,189 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 04:15:58,236 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:15:58 ImpRootNode [2024-11-25 04:15:58,236 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:15:58,239 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:15:58,239 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:15:58,239 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:15:58,240 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:15:57" (3/4) ... [2024-11-25 04:15:58,241 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 04:15:58,321 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 7. [2024-11-25 04:15:58,396 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e73e26-f834-438f-b1b9-71746ab34977/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 04:15:58,397 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e73e26-f834-438f-b1b9-71746ab34977/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 04:15:58,397 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:15:58,400 INFO L158 Benchmark]: Toolchain (without parser) took 3326.55ms. Allocated memory was 83.9MB in the beginning and 159.4MB in the end (delta: 75.5MB). Free memory was 55.5MB in the beginning and 84.6MB in the end (delta: -29.1MB). Peak memory consumption was 50.0MB. Max. memory is 16.1GB. [2024-11-25 04:15:58,401 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 83.9MB. Free memory is still 64.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:15:58,402 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1708.93ms. Allocated memory was 83.9MB in the beginning and 159.4MB in the end (delta: 75.5MB). Free memory was 55.3MB in the beginning and 126.5MB in the end (delta: -71.2MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. [2024-11-25 04:15:58,402 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.68ms. Allocated memory is still 159.4MB. Free memory was 126.5MB in the beginning and 123.6MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:15:58,403 INFO L158 Benchmark]: Boogie Preprocessor took 34.46ms. Allocated memory is still 159.4MB. Free memory was 123.6MB in the beginning and 122.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:15:58,404 INFO L158 Benchmark]: RCFGBuilder took 651.10ms. Allocated memory is still 159.4MB. Free memory was 122.1MB in the beginning and 103.8MB in the end (delta: 18.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 04:15:58,405 INFO L158 Benchmark]: CodeCheck took 679.71ms. Allocated memory is still 159.4MB. Free memory was 103.8MB in the beginning and 89.2MB in the end (delta: 14.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:15:58,405 INFO L158 Benchmark]: Witness Printer took 158.15ms. Allocated memory is still 159.4MB. Free memory was 89.2MB in the beginning and 84.6MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:15:58,408 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 1559]: 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); [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_rand_postdec_10_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(globalTrue) [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] COND TRUE \read(globalTrue) [L1559] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 83.9MB. Free memory is still 64.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1708.93ms. Allocated memory was 83.9MB in the beginning and 159.4MB in the end (delta: 75.5MB). Free memory was 55.3MB in the beginning and 126.5MB in the end (delta: -71.2MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.68ms. Allocated memory is still 159.4MB. Free memory was 126.5MB in the beginning and 123.6MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.46ms. Allocated memory is still 159.4MB. Free memory was 123.6MB in the beginning and 122.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 651.10ms. Allocated memory is still 159.4MB. Free memory was 122.1MB in the beginning and 103.8MB in the end (delta: 18.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 679.71ms. Allocated memory is still 159.4MB. Free memory was 103.8MB in the beginning and 89.2MB in the end (delta: 14.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 158.15ms. Allocated memory is still 159.4MB. Free memory was 89.2MB in the beginning and 84.6MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 04:15:58,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e73e26-f834-438f-b1b9-71746ab34977/bin/ukojak-verify-ENZ3QT5qd3/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)