./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_42_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_3c4bf662-f57e-4450-b86b-e0603c8c1edd/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4bf662-f57e-4450-b86b-e0603c8c1edd/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_3c4bf662-f57e-4450-b86b-e0603c8c1edd/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4bf662-f57e-4450-b86b-e0603c8c1edd/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4bf662-f57e-4450-b86b-e0603c8c1edd/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_3c4bf662-f57e-4450-b86b-e0603c8c1edd/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 0c653ee786314239b30d2d467841b501d4e6acc831941b04c816f815e1a3737a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:01:52,678 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:01:52,779 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4bf662-f57e-4450-b86b-e0603c8c1edd/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-24 18:01:52,787 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 18:01:52,787 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-24 18:01:52,822 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:01:52,824 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:01:52,824 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:01:52,825 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:01:52,825 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:01:52,826 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:01:52,827 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:01:52,827 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 18:01:52,827 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:01:52,827 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:01:52,827 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:01:52,827 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:01:52,827 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-24 18:01:52,827 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 18:01:52,827 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:01:52,828 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:01:52,828 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:01:52,828 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:01:52,828 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:01:52,828 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:01:52,828 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:01:52,828 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:01:52,828 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:01:52,828 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:01:52,828 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:01:52,828 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-24 18:01:52,829 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 18:01:52,829 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_3c4bf662-f57e-4450-b86b-e0603c8c1edd/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 -> 0c653ee786314239b30d2d467841b501d4e6acc831941b04c816f815e1a3737a [2024-11-24 18:01:53,106 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:01:53,115 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:01:53,117 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:01:53,119 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:01:53,119 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:01:53,120 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4bf662-f57e-4450-b86b-e0603c8c1edd/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_42_bad.i [2024-11-24 18:01:56,156 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4bf662-f57e-4450-b86b-e0603c8c1edd/bin/ukojak-verify-ENZ3QT5qd3/data/c86d40f3f/0116c98a62c049fdb084fbd77e86dc08/FLAGd75a7467e [2024-11-24 18:01:56,594 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:01:56,595 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4bf662-f57e-4450-b86b-e0603c8c1edd/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_42_bad.i [2024-11-24 18:01:56,630 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4bf662-f57e-4450-b86b-e0603c8c1edd/bin/ukojak-verify-ENZ3QT5qd3/data/c86d40f3f/0116c98a62c049fdb084fbd77e86dc08/FLAGd75a7467e [2024-11-24 18:01:56,651 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4bf662-f57e-4450-b86b-e0603c8c1edd/bin/ukojak-verify-ENZ3QT5qd3/data/c86d40f3f/0116c98a62c049fdb084fbd77e86dc08 [2024-11-24 18:01:56,653 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:01:56,656 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:01:56,657 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:01:56,657 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:01:56,662 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:01:56,663 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:01:56" (1/1) ... [2024-11-24 18:01:56,664 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23d8ba7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:01:56, skipping insertion in model container [2024-11-24 18:01:56,665 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:01:56" (1/1) ... [2024-11-24 18:01:56,725 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:01:57,583 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:01:57,597 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:01:57,709 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:01:57,866 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:01:57,866 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:01:57 WrapperNode [2024-11-24 18:01:57,866 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:01:57,867 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:01:57,867 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:01:57,868 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:01:57,875 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:01:57" (1/1) ... [2024-11-24 18:01:57,900 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:01:57" (1/1) ... [2024-11-24 18:01:57,930 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 102 [2024-11-24 18:01:57,931 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:01:57,931 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:01:57,932 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:01:57,932 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:01:57,939 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:01:57" (1/1) ... [2024-11-24 18:01:57,939 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:01:57" (1/1) ... [2024-11-24 18:01:57,942 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:01:57" (1/1) ... [2024-11-24 18:01:57,942 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:01:57" (1/1) ... [2024-11-24 18:01:57,947 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:01:57" (1/1) ... [2024-11-24 18:01:57,948 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:01:57" (1/1) ... [2024-11-24 18:01:57,950 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:01:57" (1/1) ... [2024-11-24 18:01:57,951 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:01:57" (1/1) ... [2024-11-24 18:01:57,952 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:01:57" (1/1) ... [2024-11-24 18:01:57,954 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:01:57,955 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:01:57,956 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:01:57,956 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:01:57,957 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:01:57" (1/1) ... [2024-11-24 18:01:57,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:01:57,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4bf662-f57e-4450-b86b-e0603c8c1edd/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:01:58,000 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4bf662-f57e-4450-b86b-e0603c8c1edd/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:01:58,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4bf662-f57e-4450-b86b-e0603c8c1edd/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:01:58,030 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-24 18:01:58,031 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-24 18:01:58,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:01:58,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:01:58,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:01:58,173 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:01:58,175 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:01:58,454 INFO L? ?]: Removed 60 outVars from TransFormulas that were not future-live. [2024-11-24 18:01:58,454 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:01:58,735 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:01:58,735 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 18:01:58,735 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:01:58 BoogieIcfgContainer [2024-11-24 18:01:58,735 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:01:58,736 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:01:58,736 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:01:58,746 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:01:58,747 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:01:58" (1/1) ... [2024-11-24 18:01:58,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:01:58,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:01:58,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-24 18:01:58,826 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-24 18:01:58,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-24 18:01:58,830 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:01:58,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:01:59,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:01:59,193 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:01:59,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:01:59,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:01:59,379 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:01:59,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:01:59,435 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-24 18:01:59,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 06:01:59 ImpRootNode [2024-11-24 18:01:59,470 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-24 18:01:59,471 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 18:01:59,471 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 18:01:59,471 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 18:01:59,471 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:01:58" (3/4) ... [2024-11-24 18:01:59,476 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 18:01:59,476 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 18:01:59,477 INFO L158 Benchmark]: Toolchain (without parser) took 2822.28ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 90.1MB in the beginning and 288.9MB in the end (delta: -198.8MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. [2024-11-24 18:01:59,480 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 167.8MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:01:59,480 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1209.76ms. Allocated memory is still 117.4MB. Free memory was 90.1MB in the beginning and 81.2MB in the end (delta: 8.8MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. [2024-11-24 18:01:59,481 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.70ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 78.6MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:01:59,483 INFO L158 Benchmark]: Boogie Preprocessor took 23.22ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 77.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:01:59,483 INFO L158 Benchmark]: RCFGBuilder took 780.11ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 39.8MB in the end (delta: 37.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-24 18:01:59,484 INFO L158 Benchmark]: CodeCheck took 733.90ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 39.8MB in the beginning and 288.9MB in the end (delta: -249.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:01:59,485 INFO L158 Benchmark]: Witness Printer took 5.84ms. Allocated memory is still 352.3MB. Free memory is still 288.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:01:59,488 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 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 1550. 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); [L1567] 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) [L1567] 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] [L1568] CALL CWE191_Integer_Underflow__int_rand_predec_42_bad() [L1555] int data; [L1556] data = 0 [L1557] CALL, EXPR badSource(data) [L1550] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1550] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1550] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1550] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1550] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1551] return data; [L1557] RET, EXPR badSource(data) [L1557] data = badSource(data) [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 0.37ms. Allocated memory is still 167.8MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1209.76ms. Allocated memory is still 117.4MB. Free memory was 90.1MB in the beginning and 81.2MB in the end (delta: 8.8MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.70ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 78.6MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.22ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 77.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 780.11ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 39.8MB in the end (delta: 37.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 733.90ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 39.8MB in the beginning and 288.9MB in the end (delta: -249.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.84ms. Allocated memory is still 352.3MB. Free memory is still 288.9MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-24 18:01:59,513 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4bf662-f57e-4450-b86b-e0603c8c1edd/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 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_3c4bf662-f57e-4450-b86b-e0603c8c1edd/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4bf662-f57e-4450-b86b-e0603c8c1edd/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_3c4bf662-f57e-4450-b86b-e0603c8c1edd/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4bf662-f57e-4450-b86b-e0603c8c1edd/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4bf662-f57e-4450-b86b-e0603c8c1edd/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_3c4bf662-f57e-4450-b86b-e0603c8c1edd/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 0c653ee786314239b30d2d467841b501d4e6acc831941b04c816f815e1a3737a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:02:02,092 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:02:02,191 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4bf662-f57e-4450-b86b-e0603c8c1edd/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-24 18:02:02,256 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:02:02,257 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:02:02,257 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:02:02,258 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:02:02,258 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:02:02,258 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:02:02,258 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:02:02,258 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:02:02,258 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:02:02,258 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:02:02,259 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:02:02,259 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 18:02:02,259 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 18:02:02,259 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-24 18:02:02,259 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 18:02:02,259 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 18:02:02,259 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:02:02,259 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:02:02,260 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:02:02,266 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:02:02,267 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:02:02,267 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:02:02,267 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 18:02:02,267 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-24 18:02:02,267 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:02:02,267 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:02:02,267 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:02:02,268 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:02:02,268 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:02:02,268 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-24 18:02:02,268 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 18:02:02,268 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-24 18:02:02,268 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_3c4bf662-f57e-4450-b86b-e0603c8c1edd/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 -> 0c653ee786314239b30d2d467841b501d4e6acc831941b04c816f815e1a3737a [2024-11-24 18:02:02,590 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:02:02,599 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:02:02,601 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:02:02,603 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:02:02,603 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:02:02,604 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4bf662-f57e-4450-b86b-e0603c8c1edd/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_42_bad.i [2024-11-24 18:02:05,609 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4bf662-f57e-4450-b86b-e0603c8c1edd/bin/ukojak-verify-ENZ3QT5qd3/data/0ab001657/f063fa6b08164a90b5b81f0716139f80/FLAGbfb1d94c3 [2024-11-24 18:02:06,038 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:02:06,042 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4bf662-f57e-4450-b86b-e0603c8c1edd/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_42_bad.i [2024-11-24 18:02:06,067 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4bf662-f57e-4450-b86b-e0603c8c1edd/bin/ukojak-verify-ENZ3QT5qd3/data/0ab001657/f063fa6b08164a90b5b81f0716139f80/FLAGbfb1d94c3 [2024-11-24 18:02:06,197 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4bf662-f57e-4450-b86b-e0603c8c1edd/bin/ukojak-verify-ENZ3QT5qd3/data/0ab001657/f063fa6b08164a90b5b81f0716139f80 [2024-11-24 18:02:06,199 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:02:06,200 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:02:06,201 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:02:06,201 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:02:06,205 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:02:06,205 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:02:06" (1/1) ... [2024-11-24 18:02:06,206 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cb564ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:06, skipping insertion in model container [2024-11-24 18:02:06,206 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:02:06" (1/1) ... [2024-11-24 18:02:06,247 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:02:06,998 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:02:07,010 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:02:07,138 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:02:07,312 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:02:07,312 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:07 WrapperNode [2024-11-24 18:02:07,312 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:02:07,313 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:02:07,314 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:02:07,314 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:02:07,319 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:07" (1/1) ... [2024-11-24 18:02:07,340 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:07" (1/1) ... [2024-11-24 18:02:07,360 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 61 [2024-11-24 18:02:07,360 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:02:07,361 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:02:07,361 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:02:07,361 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:02:07,368 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:07" (1/1) ... [2024-11-24 18:02:07,368 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:07" (1/1) ... [2024-11-24 18:02:07,371 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:07" (1/1) ... [2024-11-24 18:02:07,371 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:07" (1/1) ... [2024-11-24 18:02:07,379 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:07" (1/1) ... [2024-11-24 18:02:07,379 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:07" (1/1) ... [2024-11-24 18:02:07,381 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:07" (1/1) ... [2024-11-24 18:02:07,383 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:07" (1/1) ... [2024-11-24 18:02:07,384 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:07" (1/1) ... [2024-11-24 18:02:07,387 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:02:07,388 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:02:07,388 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:02:07,388 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:02:07,389 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:07" (1/1) ... [2024-11-24 18:02:07,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:02:07,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4bf662-f57e-4450-b86b-e0603c8c1edd/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:02:07,430 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4bf662-f57e-4450-b86b-e0603c8c1edd/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:02:07,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4bf662-f57e-4450-b86b-e0603c8c1edd/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:02:07,458 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-24 18:02:07,458 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-24 18:02:07,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:02:07,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:02:07,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:02:07,613 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:02:07,615 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:02:07,780 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-11-24 18:02:07,781 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:02:07,874 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:02:07,874 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 18:02:07,875 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:02:07 BoogieIcfgContainer [2024-11-24 18:02:07,876 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:02:07,877 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:02:07,877 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:02:07,888 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:02:07,888 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:02:07" (1/1) ... [2024-11-24 18:02:07,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:02:07,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:02:07,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-24 18:02:07,958 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-24 18:02:07,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-24 18:02:07,961 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:02:07,962 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:02:07,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4bf662-f57e-4450-b86b-e0603c8c1edd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:02:07,964 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4bf662-f57e-4450-b86b-e0603c8c1edd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:02:07,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4bf662-f57e-4450-b86b-e0603c8c1edd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-24 18:02:08,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:02:08,151 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:02:08,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:02:08,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:02:08,317 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:02:08,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:02:08,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4bf662-f57e-4450-b86b-e0603c8c1edd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-24 18:02:08,364 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-24 18:02:08,395 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 06:02:08 ImpRootNode [2024-11-24 18:02:08,395 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-24 18:02:08,397 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 18:02:08,397 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 18:02:08,398 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 18:02:08,399 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:02:07" (3/4) ... [2024-11-24 18:02:08,400 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-24 18:02:08,455 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 7. [2024-11-24 18:02:08,512 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4bf662-f57e-4450-b86b-e0603c8c1edd/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-24 18:02:08,513 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4bf662-f57e-4450-b86b-e0603c8c1edd/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-24 18:02:08,513 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 18:02:08,516 INFO L158 Benchmark]: Toolchain (without parser) took 2313.51ms. Allocated memory was 117.4MB in the beginning and 285.2MB in the end (delta: 167.8MB). Free memory was 88.9MB in the beginning and 244.3MB in the end (delta: -155.4MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2024-11-24 18:02:08,516 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 117.4MB. Free memory is still 84.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:02:08,517 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1111.78ms. Allocated memory is still 117.4MB. Free memory was 88.7MB in the beginning and 66.5MB in the end (delta: 22.2MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. [2024-11-24 18:02:08,517 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.61ms. Allocated memory is still 117.4MB. Free memory was 66.5MB in the beginning and 63.6MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:02:08,517 INFO L158 Benchmark]: Boogie Preprocessor took 26.53ms. Allocated memory is still 117.4MB. Free memory was 63.6MB in the beginning and 62.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:02:08,518 INFO L158 Benchmark]: RCFGBuilder took 488.65ms. Allocated memory is still 117.4MB. Free memory was 62.1MB in the beginning and 44.9MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 18:02:08,519 INFO L158 Benchmark]: CodeCheck took 518.52ms. Allocated memory was 117.4MB in the beginning and 285.2MB in the end (delta: 167.8MB). Free memory was 44.9MB in the beginning and 249.2MB in the end (delta: -204.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:02:08,519 INFO L158 Benchmark]: Witness Printer took 116.09ms. Allocated memory is still 285.2MB. Free memory was 248.5MB in the beginning and 244.3MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:02:08,521 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, 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); [L1567] 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) [L1567] 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] [L1568] CALL CWE191_Integer_Underflow__int_rand_predec_42_bad() [L1555] int data; [L1556] data = 0 [L1557] CALL, EXPR badSource(data) [L1550] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1550] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1550] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1551] return data; [L1557] RET, EXPR badSource(data) [L1557] data = badSource(data) [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 0.42ms. Allocated memory is still 117.4MB. Free memory is still 84.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1111.78ms. Allocated memory is still 117.4MB. Free memory was 88.7MB in the beginning and 66.5MB in the end (delta: 22.2MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.61ms. Allocated memory is still 117.4MB. Free memory was 66.5MB in the beginning and 63.6MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.53ms. Allocated memory is still 117.4MB. Free memory was 63.6MB in the beginning and 62.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 488.65ms. Allocated memory is still 117.4MB. Free memory was 62.1MB in the beginning and 44.9MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 518.52ms. Allocated memory was 117.4MB in the beginning and 285.2MB in the end (delta: 167.8MB). Free memory was 44.9MB in the beginning and 249.2MB in the end (delta: -204.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 116.09ms. Allocated memory is still 285.2MB. Free memory was 248.5MB in the beginning and 244.3MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-24 18:02:08,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4bf662-f57e-4450-b86b-e0603c8c1edd/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)