./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_04_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_1243014f-ca6f-4edb-90af-a4b9779c2e31/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1243014f-ca6f-4edb-90af-a4b9779c2e31/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1243014f-ca6f-4edb-90af-a4b9779c2e31/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1243014f-ca6f-4edb-90af-a4b9779c2e31/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_04_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1243014f-ca6f-4edb-90af-a4b9779c2e31/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1243014f-ca6f-4edb-90af-a4b9779c2e31/bin/ukojak-verify-CZk0znPC7b --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 70d19402e1755e0ea53ceb2fd6f9ed7e06eff75daf602cd0875025b12c901393 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 06:12:54,615 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 06:12:54,676 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1243014f-ca6f-4edb-90af-a4b9779c2e31/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 06:12:54,681 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 06:12:54,681 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 06:12:54,702 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 06:12:54,703 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 06:12:54,703 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 06:12:54,703 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 06:12:54,704 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 06:12:54,704 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 06:12:54,704 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 06:12:54,704 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 06:12:54,704 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 06:12:54,704 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 06:12:54,704 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 06:12:54,704 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 06:12:54,705 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 06:12:54,705 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 06:12:54,705 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 06:12:54,705 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 06:12:54,705 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 06:12:54,705 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 06:12:54,705 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 06:12:54,705 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 06:12:54,706 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 06:12:54,706 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:12:54,706 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 06:12:54,706 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 06:12:54,706 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 06:12:54,706 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 06:12:54,706 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 06:12:54,706 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_1243014f-ca6f-4edb-90af-a4b9779c2e31/bin/ukojak-verify-CZk0znPC7b 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 -> 70d19402e1755e0ea53ceb2fd6f9ed7e06eff75daf602cd0875025b12c901393 [2024-12-06 06:12:54,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 06:12:54,966 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 06:12:54,968 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 06:12:54,970 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 06:12:54,970 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 06:12:54,972 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1243014f-ca6f-4edb-90af-a4b9779c2e31/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_04_bad.i [2024-12-06 06:12:57,612 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1243014f-ca6f-4edb-90af-a4b9779c2e31/bin/ukojak-verify-CZk0znPC7b/data/2f05ee533/63023be9fa8c4cc194bd5650eaa12d17/FLAG3b9d79954 [2024-12-06 06:12:57,911 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 06:12:57,911 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1243014f-ca6f-4edb-90af-a4b9779c2e31/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_04_bad.i [2024-12-06 06:12:57,929 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1243014f-ca6f-4edb-90af-a4b9779c2e31/bin/ukojak-verify-CZk0znPC7b/data/2f05ee533/63023be9fa8c4cc194bd5650eaa12d17/FLAG3b9d79954 [2024-12-06 06:12:57,941 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1243014f-ca6f-4edb-90af-a4b9779c2e31/bin/ukojak-verify-CZk0znPC7b/data/2f05ee533/63023be9fa8c4cc194bd5650eaa12d17 [2024-12-06 06:12:57,943 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 06:12:57,944 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 06:12:57,945 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 06:12:57,945 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 06:12:57,948 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 06:12:57,949 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:12:57" (1/1) ... [2024-12-06 06:12:57,949 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f7d54c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:12:57, skipping insertion in model container [2024-12-06 06:12:57,949 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:12:57" (1/1) ... [2024-12-06 06:12:57,983 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 06:12:58,535 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:12:58,541 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 06:12:58,610 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:12:58,682 INFO L204 MainTranslator]: Completed translation [2024-12-06 06:12:58,683 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:12:58 WrapperNode [2024-12-06 06:12:58,683 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 06:12:58,683 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 06:12:58,684 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 06:12:58,684 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 06:12:58,688 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:12:58" (1/1) ... [2024-12-06 06:12:58,713 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:12:58" (1/1) ... [2024-12-06 06:12:58,732 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 96 [2024-12-06 06:12:58,732 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 06:12:58,733 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 06:12:58,733 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 06:12:58,733 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 06:12:58,738 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:12:58" (1/1) ... [2024-12-06 06:12:58,738 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:12:58" (1/1) ... [2024-12-06 06:12:58,740 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:12:58" (1/1) ... [2024-12-06 06:12:58,741 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:12:58" (1/1) ... [2024-12-06 06:12:58,745 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:12:58" (1/1) ... [2024-12-06 06:12:58,746 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:12:58" (1/1) ... [2024-12-06 06:12:58,747 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:12:58" (1/1) ... [2024-12-06 06:12:58,748 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:12:58" (1/1) ... [2024-12-06 06:12:58,749 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:12:58" (1/1) ... [2024-12-06 06:12:58,751 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 06:12:58,752 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 06:12:58,752 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 06:12:58,752 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 06:12:58,753 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:12:58" (1/1) ... [2024-12-06 06:12:58,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:12:58,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1243014f-ca6f-4edb-90af-a4b9779c2e31/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 06:12:58,779 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1243014f-ca6f-4edb-90af-a4b9779c2e31/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 06:12:58,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1243014f-ca6f-4edb-90af-a4b9779c2e31/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 06:12:58,799 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 06:12:58,799 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 06:12:58,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 06:12:58,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 06:12:58,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 06:12:58,899 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 06:12:58,902 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 06:12:59,073 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2024-12-06 06:12:59,073 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 06:12:59,227 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 06:12:59,228 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 06:12:59,228 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:12:59 BoogieIcfgContainer [2024-12-06 06:12:59,228 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 06:12:59,229 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 06:12:59,229 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 06:12:59,236 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 06:12:59,236 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:12:59" (1/1) ... [2024-12-06 06:12:59,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 06:12:59,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:12:59,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-12-06 06:12:59,280 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-12-06 06:12:59,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 06:12:59,283 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:12:59,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:12:59,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:12:59,484 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 06:12:59,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:12:59,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:12:59,597 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 06:12:59,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:12:59,633 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 06:12:59,653 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 06:12:59 ImpRootNode [2024-12-06 06:12:59,653 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 06:12:59,654 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 06:12:59,654 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 06:12:59,654 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 06:12:59,655 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:12:59" (3/4) ... [2024-12-06 06:12:59,657 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 06:12:59,658 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 06:12:59,659 INFO L158 Benchmark]: Toolchain (without parser) took 1714.60ms. Allocated memory is still 142.6MB. Free memory was 113.9MB in the beginning and 87.0MB in the end (delta: 26.9MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. [2024-12-06 06:12:59,659 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 142.6MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:12:59,659 INFO L158 Benchmark]: CACSL2BoogieTranslator took 738.12ms. Allocated memory is still 142.6MB. Free memory was 113.7MB in the beginning and 54.7MB in the end (delta: 59.0MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-12-06 06:12:59,660 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.99ms. Allocated memory is still 142.6MB. Free memory was 54.7MB in the beginning and 112.6MB in the end (delta: -58.0MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2024-12-06 06:12:59,660 INFO L158 Benchmark]: Boogie Preprocessor took 18.35ms. Allocated memory is still 142.6MB. Free memory was 112.6MB in the beginning and 111.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:12:59,661 INFO L158 Benchmark]: RCFGBuilder took 476.19ms. Allocated memory is still 142.6MB. Free memory was 111.4MB in the beginning and 70.4MB in the end (delta: 41.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-06 06:12:59,661 INFO L158 Benchmark]: CodeCheck took 424.95ms. Allocated memory is still 142.6MB. Free memory was 70.4MB in the beginning and 87.7MB in the end (delta: -17.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:12:59,661 INFO L158 Benchmark]: Witness Printer took 3.78ms. Allocated memory is still 142.6MB. Free memory was 87.7MB in the beginning and 87.0MB in the end (delta: 707.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 06:12:59,664 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1561]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1556. 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); [L1548] static const int STATIC_CONST_TRUE = 1; [L1549] static const int STATIC_CONST_FALSE = 0; [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE191_Integer_Underflow__int_rand_sub_04_bad() [L1552] int data; [L1553] data = 0 [L1554] COND TRUE \read(STATIC_CONST_TRUE) [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1556] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1558] COND TRUE \read(STATIC_CONST_TRUE) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_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 0.37ms. Allocated memory is still 142.6MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 738.12ms. Allocated memory is still 142.6MB. Free memory was 113.7MB in the beginning and 54.7MB in the end (delta: 59.0MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.99ms. Allocated memory is still 142.6MB. Free memory was 54.7MB in the beginning and 112.6MB in the end (delta: -58.0MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.35ms. Allocated memory is still 142.6MB. Free memory was 112.6MB in the beginning and 111.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 476.19ms. Allocated memory is still 142.6MB. Free memory was 111.4MB in the beginning and 70.4MB in the end (delta: 41.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 424.95ms. Allocated memory is still 142.6MB. Free memory was 70.4MB in the beginning and 87.7MB in the end (delta: -17.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.78ms. Allocated memory is still 142.6MB. Free memory was 87.7MB in the beginning and 87.0MB in the end (delta: 707.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 06:12:59,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1243014f-ca6f-4edb-90af-a4b9779c2e31/bin/ukojak-verify-CZk0znPC7b/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_1243014f-ca6f-4edb-90af-a4b9779c2e31/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1243014f-ca6f-4edb-90af-a4b9779c2e31/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1243014f-ca6f-4edb-90af-a4b9779c2e31/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1243014f-ca6f-4edb-90af-a4b9779c2e31/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_04_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1243014f-ca6f-4edb-90af-a4b9779c2e31/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1243014f-ca6f-4edb-90af-a4b9779c2e31/bin/ukojak-verify-CZk0znPC7b --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 70d19402e1755e0ea53ceb2fd6f9ed7e06eff75daf602cd0875025b12c901393 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 06:13:01,594 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 06:13:01,671 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1243014f-ca6f-4edb-90af-a4b9779c2e31/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 06:13:01,697 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 06:13:01,698 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 06:13:01,698 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 06:13:01,698 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 06:13:01,698 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 06:13:01,698 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 06:13:01,698 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 06:13:01,698 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 06:13:01,699 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 06:13:01,699 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 06:13:01,699 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 06:13:01,699 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 06:13:01,699 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 06:13:01,699 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 06:13:01,699 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 06:13:01,699 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 06:13:01,699 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 06:13:01,699 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 06:13:01,700 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 06:13:01,700 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 06:13:01,700 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 06:13:01,700 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 06:13:01,700 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 06:13:01,700 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 06:13:01,700 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 06:13:01,700 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:13:01,700 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 06:13:01,700 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 06:13:01,701 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 06:13:01,701 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 06:13:01,701 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 06:13:01,701 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 06:13:01,701 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_1243014f-ca6f-4edb-90af-a4b9779c2e31/bin/ukojak-verify-CZk0znPC7b 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 -> 70d19402e1755e0ea53ceb2fd6f9ed7e06eff75daf602cd0875025b12c901393 [2024-12-06 06:13:01,937 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 06:13:01,944 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 06:13:01,947 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 06:13:01,948 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 06:13:01,948 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 06:13:01,949 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1243014f-ca6f-4edb-90af-a4b9779c2e31/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_04_bad.i [2024-12-06 06:13:04,707 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1243014f-ca6f-4edb-90af-a4b9779c2e31/bin/ukojak-verify-CZk0znPC7b/data/b38494160/9ba4464a646d415da1985ab2bcb52034/FLAG3c0391ada [2024-12-06 06:13:04,999 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 06:13:05,000 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1243014f-ca6f-4edb-90af-a4b9779c2e31/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_04_bad.i [2024-12-06 06:13:05,019 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1243014f-ca6f-4edb-90af-a4b9779c2e31/bin/ukojak-verify-CZk0znPC7b/data/b38494160/9ba4464a646d415da1985ab2bcb52034/FLAG3c0391ada [2024-12-06 06:13:05,253 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1243014f-ca6f-4edb-90af-a4b9779c2e31/bin/ukojak-verify-CZk0znPC7b/data/b38494160/9ba4464a646d415da1985ab2bcb52034 [2024-12-06 06:13:05,255 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 06:13:05,255 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 06:13:05,256 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 06:13:05,256 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 06:13:05,259 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 06:13:05,260 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:13:05" (1/1) ... [2024-12-06 06:13:05,261 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a810389 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:13:05, skipping insertion in model container [2024-12-06 06:13:05,261 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:13:05" (1/1) ... [2024-12-06 06:13:05,294 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 06:13:05,861 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:13:05,871 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 06:13:05,963 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:13:06,048 INFO L204 MainTranslator]: Completed translation [2024-12-06 06:13:06,049 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:13:06 WrapperNode [2024-12-06 06:13:06,049 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 06:13:06,050 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 06:13:06,050 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 06:13:06,050 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 06:13:06,056 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:13:06" (1/1) ... [2024-12-06 06:13:06,073 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:13:06" (1/1) ... [2024-12-06 06:13:06,091 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2024-12-06 06:13:06,092 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 06:13:06,092 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 06:13:06,092 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 06:13:06,092 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 06:13:06,099 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:13:06" (1/1) ... [2024-12-06 06:13:06,100 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:13:06" (1/1) ... [2024-12-06 06:13:06,102 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:13:06" (1/1) ... [2024-12-06 06:13:06,103 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:13:06" (1/1) ... [2024-12-06 06:13:06,108 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:13:06" (1/1) ... [2024-12-06 06:13:06,108 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:13:06" (1/1) ... [2024-12-06 06:13:06,110 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:13:06" (1/1) ... [2024-12-06 06:13:06,112 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:13:06" (1/1) ... [2024-12-06 06:13:06,113 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:13:06" (1/1) ... [2024-12-06 06:13:06,115 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 06:13:06,115 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 06:13:06,115 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 06:13:06,115 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 06:13:06,116 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:13:06" (1/1) ... [2024-12-06 06:13:06,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:13:06,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1243014f-ca6f-4edb-90af-a4b9779c2e31/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 06:13:06,139 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1243014f-ca6f-4edb-90af-a4b9779c2e31/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 06:13:06,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1243014f-ca6f-4edb-90af-a4b9779c2e31/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 06:13:06,163 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 06:13:06,163 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 06:13:06,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 06:13:06,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 06:13:06,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 06:13:06,292 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 06:13:06,294 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 06:13:06,401 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-12-06 06:13:06,401 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 06:13:06,467 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 06:13:06,467 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 06:13:06,468 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:13:06 BoogieIcfgContainer [2024-12-06 06:13:06,468 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 06:13:06,468 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 06:13:06,468 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 06:13:06,479 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 06:13:06,479 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:13:06" (1/1) ... [2024-12-06 06:13:06,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 06:13:06,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:13:06,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-12-06 06:13:06,523 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-12-06 06:13:06,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 06:13:06,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:13:06,526 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:13:06,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1243014f-ca6f-4edb-90af-a4b9779c2e31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:13:06,528 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1243014f-ca6f-4edb-90af-a4b9779c2e31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:13:06,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1243014f-ca6f-4edb-90af-a4b9779c2e31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 06:13:06,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:13:06,687 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 06:13:06,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:13:06,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:13:06,796 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 06:13:06,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:13:06,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1243014f-ca6f-4edb-90af-a4b9779c2e31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 06:13:06,831 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 06:13:06,856 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 06:13:06 ImpRootNode [2024-12-06 06:13:06,856 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 06:13:06,857 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 06:13:06,857 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 06:13:06,857 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 06:13:06,857 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:13:06" (3/4) ... [2024-12-06 06:13:06,858 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 06:13:06,900 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 7. [2024-12-06 06:13:06,946 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1243014f-ca6f-4edb-90af-a4b9779c2e31/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 06:13:06,946 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1243014f-ca6f-4edb-90af-a4b9779c2e31/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 06:13:06,946 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 06:13:06,947 INFO L158 Benchmark]: Toolchain (without parser) took 1691.61ms. Allocated memory was 92.3MB in the beginning and 142.6MB in the end (delta: 50.3MB). Free memory was 66.6MB in the beginning and 70.5MB in the end (delta: -3.9MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-12-06 06:13:06,948 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:13:06,948 INFO L158 Benchmark]: CACSL2BoogieTranslator took 793.04ms. Allocated memory was 92.3MB in the beginning and 142.6MB in the end (delta: 50.3MB). Free memory was 66.5MB in the beginning and 112.1MB in the end (delta: -45.6MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. [2024-12-06 06:13:06,949 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.69ms. Allocated memory is still 142.6MB. Free memory was 112.1MB in the beginning and 109.4MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:13:06,949 INFO L158 Benchmark]: Boogie Preprocessor took 22.69ms. Allocated memory is still 142.6MB. Free memory was 109.4MB in the beginning and 107.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:13:06,949 INFO L158 Benchmark]: RCFGBuilder took 352.43ms. Allocated memory is still 142.6MB. Free memory was 107.7MB in the beginning and 89.4MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 06:13:06,950 INFO L158 Benchmark]: CodeCheck took 387.52ms. Allocated memory is still 142.6MB. Free memory was 89.4MB in the beginning and 75.0MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 06:13:06,950 INFO L158 Benchmark]: Witness Printer took 89.98ms. Allocated memory is still 142.6MB. Free memory was 75.0MB in the beginning and 70.5MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 06:13:06,952 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 1561]: 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); [L1548] static const int STATIC_CONST_TRUE = 1; [L1549] static const int STATIC_CONST_FALSE = 0; [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE191_Integer_Underflow__int_rand_sub_04_bad() [L1552] int data; [L1553] data = 0 [L1554] COND TRUE \read(STATIC_CONST_TRUE) [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1558] COND TRUE \read(STATIC_CONST_TRUE) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_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 0.28ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 793.04ms. Allocated memory was 92.3MB in the beginning and 142.6MB in the end (delta: 50.3MB). Free memory was 66.5MB in the beginning and 112.1MB in the end (delta: -45.6MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.69ms. Allocated memory is still 142.6MB. Free memory was 112.1MB in the beginning and 109.4MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.69ms. Allocated memory is still 142.6MB. Free memory was 109.4MB in the beginning and 107.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 352.43ms. Allocated memory is still 142.6MB. Free memory was 107.7MB in the beginning and 89.4MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 387.52ms. Allocated memory is still 142.6MB. Free memory was 89.4MB in the beginning and 75.0MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 89.98ms. Allocated memory is still 142.6MB. Free memory was 75.0MB in the beginning and 70.5MB 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! [2024-12-06 06:13:06,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1243014f-ca6f-4edb-90af-a4b9779c2e31/bin/ukojak-verify-CZk0znPC7b/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)