./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_34_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205cf990-8523-428e-ae2d-b3d6f4bc522c/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205cf990-8523-428e-ae2d-b3d6f4bc522c/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205cf990-8523-428e-ae2d-b3d6f4bc522c/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205cf990-8523-428e-ae2d-b3d6f4bc522c/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_34_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205cf990-8523-428e-ae2d-b3d6f4bc522c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205cf990-8523-428e-ae2d-b3d6f4bc522c/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 405e9ca13eab5f308af109efafd9e89dbc845a44a3f54170eeee1016d6a2f055 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:08:49,687 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:08:49,771 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205cf990-8523-428e-ae2d-b3d6f4bc522c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 22:08:49,776 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:08:49,776 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:08:49,813 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:08:49,814 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:08:49,815 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:08:49,815 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:08:49,815 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:08:49,816 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:08:49,817 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:08:49,817 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:08:49,817 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:08:49,817 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:08:49,817 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:08:49,817 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:08:49,817 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:08:49,817 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:08:49,817 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:08:49,817 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:08:49,818 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:08:49,818 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:08:49,818 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:08:49,818 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:08:49,818 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:08:49,818 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:08:49,818 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:08:49,818 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:08:49,818 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:08:49,819 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:08:49,819 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:08:49,819 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_205cf990-8523-428e-ae2d-b3d6f4bc522c/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 405e9ca13eab5f308af109efafd9e89dbc845a44a3f54170eeee1016d6a2f055 [2024-11-13 22:08:50,095 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:08:50,105 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:08:50,110 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:08:50,111 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:08:50,112 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:08:50,113 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205cf990-8523-428e-ae2d-b3d6f4bc522c/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_34_bad.i Unable to find full path for "g++" [2024-11-13 22:08:51,932 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:08:52,455 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:08:52,456 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205cf990-8523-428e-ae2d-b3d6f4bc522c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_34_bad.i [2024-11-13 22:08:52,493 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205cf990-8523-428e-ae2d-b3d6f4bc522c/bin/ukojak-verify-EEHR8qb7sm/data/7028292c3/c55123ba99a7489a92ed32302d0350b9/FLAGd2b6faf6b [2024-11-13 22:08:52,517 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205cf990-8523-428e-ae2d-b3d6f4bc522c/bin/ukojak-verify-EEHR8qb7sm/data/7028292c3/c55123ba99a7489a92ed32302d0350b9 [2024-11-13 22:08:52,519 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:08:52,521 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:08:52,523 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:08:52,523 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:08:52,527 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:08:52,528 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:08:52" (1/1) ... [2024-11-13 22:08:52,529 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@710e6d4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:08:52, skipping insertion in model container [2024-11-13 22:08:52,529 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:08:52" (1/1) ... [2024-11-13 22:08:52,599 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:08:53,481 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:08:53,490 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:08:53,637 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:08:53,832 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:08:53,833 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:08:53 WrapperNode [2024-11-13 22:08:53,834 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:08:53,836 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:08:53,837 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:08:53,837 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:08:53,843 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:08:53" (1/1) ... [2024-11-13 22:08:53,873 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:08:53" (1/1) ... [2024-11-13 22:08:53,908 INFO L138 Inliner]: procedures = 497, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 107 [2024-11-13 22:08:53,909 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:08:53,909 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:08:53,909 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:08:53,909 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:08:53,923 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:08:53" (1/1) ... [2024-11-13 22:08:53,924 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:08:53" (1/1) ... [2024-11-13 22:08:53,927 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:08:53" (1/1) ... [2024-11-13 22:08:53,927 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:08:53" (1/1) ... [2024-11-13 22:08:53,941 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:08:53" (1/1) ... [2024-11-13 22:08:53,947 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:08:53" (1/1) ... [2024-11-13 22:08:53,948 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:08:53" (1/1) ... [2024-11-13 22:08:53,949 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:08:53" (1/1) ... [2024-11-13 22:08:53,952 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:08:53,953 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:08:53,953 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:08:53,953 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:08:53,961 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:08:53" (1/1) ... [2024-11-13 22:08:53,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:08:53,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205cf990-8523-428e-ae2d-b3d6f4bc522c/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:08:54,001 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205cf990-8523-428e-ae2d-b3d6f4bc522c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:08:54,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205cf990-8523-428e-ae2d-b3d6f4bc522c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:08:54,036 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:08:54,036 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:08:54,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:08:54,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 22:08:54,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:08:54,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:08:54,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:08:54,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 22:08:54,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 22:08:54,182 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:08:54,184 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:08:54,443 INFO L? ?]: Removed 59 outVars from TransFormulas that were not future-live. [2024-11-13 22:08:54,443 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:08:54,681 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:08:54,681 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:08:54,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:08:54 BoogieIcfgContainer [2024-11-13 22:08:54,681 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:08:54,682 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:08:54,683 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:08:54,693 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:08:54,693 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:08:54" (1/1) ... [2024-11-13 22:08:54,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:08:54,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:08:54,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 22:08:54,777 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 22:08:54,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:08:54,781 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:08:54,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:08:55,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:08:55,095 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:08:55,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:08:55,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:08:55,363 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:08:55,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:08:55,437 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:08:55,474 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:08:55 ImpRootNode [2024-11-13 22:08:55,475 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:08:55,477 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:08:55,477 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:08:55,479 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:08:55,480 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:08:54" (3/4) ... [2024-11-13 22:08:55,484 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:08:55,485 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:08:55,486 INFO L158 Benchmark]: Toolchain (without parser) took 2964.55ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 90.9MB in the beginning and 289.5MB in the end (delta: -198.7MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. [2024-11-13 22:08:55,488 INFO L158 Benchmark]: CDTParser took 0.77ms. Allocated memory is still 167.8MB. Free memory is still 102.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:08:55,488 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1311.26ms. Allocated memory is still 117.4MB. Free memory was 90.5MB in the beginning and 82.1MB in the end (delta: 8.4MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2024-11-13 22:08:55,489 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.39ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 79.4MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:08:55,489 INFO L158 Benchmark]: Boogie Preprocessor took 43.04ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 78.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:08:55,490 INFO L158 Benchmark]: RCFGBuilder took 728.74ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 40.5MB in the end (delta: 37.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 22:08:55,492 INFO L158 Benchmark]: CodeCheck took 792.52ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 40.5MB in the beginning and 289.5MB in the end (delta: -249.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:08:55,493 INFO L158 Benchmark]: Witness Printer took 7.71ms. Allocated memory is still 352.3MB. Free memory was 289.5MB in the beginning and 289.5MB in the end (delta: 11.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:08:55,495 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1563]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1572, overapproximation of bitwiseOr at line 1558. 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); [L1572] 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) [L1572] 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] [L1573] CALL CWE191_Integer_Underflow__int_rand_postdec_34_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_rand_postdec_34_unionType myUnion; [L1557] data = 0 [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1558] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] myUnion.unionFirst = data [L1561] EXPR myUnion.unionSecond [L1561] int data = myUnion.unionSecond; [L1563] 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 0.77ms. Allocated memory is still 167.8MB. Free memory is still 102.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1311.26ms. Allocated memory is still 117.4MB. Free memory was 90.5MB in the beginning and 82.1MB in the end (delta: 8.4MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.39ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 79.4MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.04ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 78.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 728.74ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 40.5MB in the end (delta: 37.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 792.52ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 40.5MB in the beginning and 289.5MB in the end (delta: -249.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.71ms. Allocated memory is still 352.3MB. Free memory was 289.5MB in the beginning and 289.5MB in the end (delta: 11.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 22:08:55,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205cf990-8523-428e-ae2d-b3d6f4bc522c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205cf990-8523-428e-ae2d-b3d6f4bc522c/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205cf990-8523-428e-ae2d-b3d6f4bc522c/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205cf990-8523-428e-ae2d-b3d6f4bc522c/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205cf990-8523-428e-ae2d-b3d6f4bc522c/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_34_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205cf990-8523-428e-ae2d-b3d6f4bc522c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205cf990-8523-428e-ae2d-b3d6f4bc522c/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 405e9ca13eab5f308af109efafd9e89dbc845a44a3f54170eeee1016d6a2f055 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:08:58,159 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:08:58,293 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205cf990-8523-428e-ae2d-b3d6f4bc522c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 22:08:58,335 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:08:58,336 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:08:58,336 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:08:58,336 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:08:58,336 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:08:58,338 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:08:58,338 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:08:58,339 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:08:58,339 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:08:58,339 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:08:58,339 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:08:58,340 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:08:58,340 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:08:58,340 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:08:58,340 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:08:58,340 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:08:58,340 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:08:58,340 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:08:58,340 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:08:58,340 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:08:58,340 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:08:58,341 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:08:58,341 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:08:58,341 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:08:58,341 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:08:58,341 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:08:58,341 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:08:58,341 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:08:58,341 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:08:58,341 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:08:58,341 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:08:58,342 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:08:58,342 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_205cf990-8523-428e-ae2d-b3d6f4bc522c/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 405e9ca13eab5f308af109efafd9e89dbc845a44a3f54170eeee1016d6a2f055 [2024-11-13 22:08:58,719 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:08:58,728 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:08:58,730 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:08:58,731 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:08:58,731 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:08:58,732 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205cf990-8523-428e-ae2d-b3d6f4bc522c/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_34_bad.i Unable to find full path for "g++" [2024-11-13 22:09:00,614 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:09:01,042 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:09:01,045 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205cf990-8523-428e-ae2d-b3d6f4bc522c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_34_bad.i [2024-11-13 22:09:01,071 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205cf990-8523-428e-ae2d-b3d6f4bc522c/bin/ukojak-verify-EEHR8qb7sm/data/d9562fe9e/372948be6e3e412d844a02a2c1f98eca/FLAGe8853ecfb [2024-11-13 22:09:01,175 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205cf990-8523-428e-ae2d-b3d6f4bc522c/bin/ukojak-verify-EEHR8qb7sm/data/d9562fe9e/372948be6e3e412d844a02a2c1f98eca [2024-11-13 22:09:01,178 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:09:01,179 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:09:01,182 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:09:01,184 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:09:01,189 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:09:01,190 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:09:01" (1/1) ... [2024-11-13 22:09:01,193 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fe70e5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:01, skipping insertion in model container [2024-11-13 22:09:01,194 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:09:01" (1/1) ... [2024-11-13 22:09:01,261 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:09:02,112 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:09:02,127 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:09:02,237 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:09:02,401 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:09:02,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:02 WrapperNode [2024-11-13 22:09:02,402 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:09:02,403 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:09:02,403 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:09:02,403 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:09:02,410 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:02" (1/1) ... [2024-11-13 22:09:02,432 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:02" (1/1) ... [2024-11-13 22:09:02,452 INFO L138 Inliner]: procedures = 502, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 67 [2024-11-13 22:09:02,452 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:09:02,453 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:09:02,453 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:09:02,453 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:09:02,460 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:02" (1/1) ... [2024-11-13 22:09:02,460 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:02" (1/1) ... [2024-11-13 22:09:02,463 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:02" (1/1) ... [2024-11-13 22:09:02,464 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:02" (1/1) ... [2024-11-13 22:09:02,473 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:02" (1/1) ... [2024-11-13 22:09:02,474 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:02" (1/1) ... [2024-11-13 22:09:02,476 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:02" (1/1) ... [2024-11-13 22:09:02,478 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:02" (1/1) ... [2024-11-13 22:09:02,481 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:09:02,481 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:09:02,482 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:09:02,482 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:09:02,483 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:02" (1/1) ... [2024-11-13 22:09:02,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:09:02,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205cf990-8523-428e-ae2d-b3d6f4bc522c/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:09:02,518 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205cf990-8523-428e-ae2d-b3d6f4bc522c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:09:02,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205cf990-8523-428e-ae2d-b3d6f4bc522c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:09:02,545 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:09:02,545 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:09:02,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:09:02,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:09:02,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:09:02,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:09:02,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 22:09:02,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 22:09:02,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 22:09:02,729 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:09:02,731 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:09:02,897 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-11-13 22:09:02,897 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:09:02,998 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:09:02,998 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:09:02,999 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:09:02 BoogieIcfgContainer [2024-11-13 22:09:02,999 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:09:02,999 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:09:02,999 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:09:03,016 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:09:03,016 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:09:02" (1/1) ... [2024-11-13 22:09:03,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:09:03,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:09:03,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 22:09:03,072 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 22:09:03,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:09:03,076 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:09:03,076 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:09:03,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205cf990-8523-428e-ae2d-b3d6f4bc522c/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:09:03,078 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205cf990-8523-428e-ae2d-b3d6f4bc522c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:09:03,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205cf990-8523-428e-ae2d-b3d6f4bc522c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:09:03,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:09:03,293 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:09:03,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:09:03,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:09:03,474 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:09:03,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:09:03,529 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205cf990-8523-428e-ae2d-b3d6f4bc522c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 22:09:03,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205cf990-8523-428e-ae2d-b3d6f4bc522c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:09:03,531 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:09:03,559 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:09:03 ImpRootNode [2024-11-13 22:09:03,560 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:09:03,561 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:09:03,561 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:09:03,561 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:09:03,562 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:09:02" (3/4) ... [2024-11-13 22:09:03,565 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:09:03,565 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:09:03,568 INFO L158 Benchmark]: Toolchain (without parser) took 2387.12ms. Allocated memory is still 83.9MB. Free memory was 57.4MB in the beginning and 38.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2024-11-13 22:09:03,569 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory was 65.6MB in the beginning and 65.6MB in the end (delta: 34.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:09:03,569 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1220.79ms. Allocated memory is still 83.9MB. Free memory was 57.1MB in the beginning and 53.9MB in the end (delta: 3.2MB). Peak memory consumption was 57.3MB. Max. memory is 16.1GB. [2024-11-13 22:09:03,569 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.08ms. Allocated memory is still 83.9MB. Free memory was 53.9MB in the beginning and 50.8MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:09:03,570 INFO L158 Benchmark]: Boogie Preprocessor took 28.26ms. Allocated memory is still 83.9MB. Free memory was 50.8MB in the beginning and 49.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:09:03,570 INFO L158 Benchmark]: RCFGBuilder took 517.25ms. Allocated memory is still 83.9MB. Free memory was 49.3MB in the beginning and 31.0MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:09:03,570 INFO L158 Benchmark]: CodeCheck took 560.61ms. Allocated memory is still 83.9MB. Free memory was 31.0MB in the beginning and 38.5MB in the end (delta: -7.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:09:03,571 INFO L158 Benchmark]: Witness Printer took 5.12ms. Allocated memory is still 83.9MB. Free memory is still 38.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:09:03,577 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 - UnprovableResult [Line: 1563]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1572. 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); [L1572] 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) [L1572] 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] [L1573] CALL CWE191_Integer_Underflow__int_rand_postdec_34_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_rand_postdec_34_unionType myUnion; [L1557] data = 0 [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] myUnion.unionFirst = data [L1561] EXPR myUnion.unionSecond [L1561] int data = myUnion.unionSecond; [L1563] 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 0.29ms. Allocated memory is still 83.9MB. Free memory was 65.6MB in the beginning and 65.6MB in the end (delta: 34.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1220.79ms. Allocated memory is still 83.9MB. Free memory was 57.1MB in the beginning and 53.9MB in the end (delta: 3.2MB). Peak memory consumption was 57.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.08ms. Allocated memory is still 83.9MB. Free memory was 53.9MB in the beginning and 50.8MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.26ms. Allocated memory is still 83.9MB. Free memory was 50.8MB in the beginning and 49.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 517.25ms. Allocated memory is still 83.9MB. Free memory was 49.3MB in the beginning and 31.0MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 560.61ms. Allocated memory is still 83.9MB. Free memory was 31.0MB in the beginning and 38.5MB in the end (delta: -7.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.12ms. Allocated memory is still 83.9MB. Free memory is still 38.5MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 22:09:03,602 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205cf990-8523-428e-ae2d-b3d6f4bc522c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample