./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_14_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_d854804e-c028-4c65-84eb-225184888f4b/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d854804e-c028-4c65-84eb-225184888f4b/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_d854804e-c028-4c65-84eb-225184888f4b/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d854804e-c028-4c65-84eb-225184888f4b/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_14_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d854804e-c028-4c65-84eb-225184888f4b/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_d854804e-c028-4c65-84eb-225184888f4b/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 7cb1cbc2894625d806f8909c2cfa5b2472c674605089a92fe0ac030e304dde65 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:19:33,155 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:19:33,263 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d854804e-c028-4c65-84eb-225184888f4b/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 03:19:33,274 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:19:33,277 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:19:33,299 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:19:33,300 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:19:33,300 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:19:33,301 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:19:33,301 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:19:33,301 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:19:33,302 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:19:33,302 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:19:33,302 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:19:33,302 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:19:33,302 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:19:33,302 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:19:33,302 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 03:19:33,303 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:19:33,303 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:19:33,303 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:19:33,303 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:19:33,303 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:19:33,303 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:19:33,304 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:19:33,304 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:19:33,304 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:19:33,304 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:19:33,304 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:19:33,304 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:19:33,304 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:19:33,305 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:19:33,305 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_d854804e-c028-4c65-84eb-225184888f4b/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 -> 7cb1cbc2894625d806f8909c2cfa5b2472c674605089a92fe0ac030e304dde65 [2024-11-25 03:19:33,629 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:19:33,640 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:19:33,645 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:19:33,646 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:19:33,649 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:19:33,650 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d854804e-c028-4c65-84eb-225184888f4b/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_14_bad.i [2024-11-25 03:19:36,827 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d854804e-c028-4c65-84eb-225184888f4b/bin/ukojak-verify-ENZ3QT5qd3/data/61c8b5856/4de402db1d4842e0851a0f3ca061a8d1/FLAG7d034c27f [2024-11-25 03:19:37,288 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:19:37,288 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d854804e-c028-4c65-84eb-225184888f4b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_14_bad.i [2024-11-25 03:19:37,323 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d854804e-c028-4c65-84eb-225184888f4b/bin/ukojak-verify-ENZ3QT5qd3/data/61c8b5856/4de402db1d4842e0851a0f3ca061a8d1/FLAG7d034c27f [2024-11-25 03:19:37,388 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d854804e-c028-4c65-84eb-225184888f4b/bin/ukojak-verify-ENZ3QT5qd3/data/61c8b5856/4de402db1d4842e0851a0f3ca061a8d1 [2024-11-25 03:19:37,391 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:19:37,393 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:19:37,395 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:19:37,395 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:19:37,400 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:19:37,401 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:19:37" (1/1) ... [2024-11-25 03:19:37,402 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2511d8c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:37, skipping insertion in model container [2024-11-25 03:19:37,403 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:19:37" (1/1) ... [2024-11-25 03:19:37,475 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:19:38,579 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:19:38,594 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:19:38,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:19:38,841 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:19:38,842 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:38 WrapperNode [2024-11-25 03:19:38,842 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:19:38,843 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:19:38,843 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:19:38,843 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:19:38,850 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:38" (1/1) ... [2024-11-25 03:19:38,873 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:38" (1/1) ... [2024-11-25 03:19:38,915 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 97 [2024-11-25 03:19:38,916 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:19:38,916 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:19:38,921 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:19:38,921 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:19:38,933 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:38" (1/1) ... [2024-11-25 03:19:38,934 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:38" (1/1) ... [2024-11-25 03:19:38,938 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:38" (1/1) ... [2024-11-25 03:19:38,942 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:38" (1/1) ... [2024-11-25 03:19:38,951 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:38" (1/1) ... [2024-11-25 03:19:38,957 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:38" (1/1) ... [2024-11-25 03:19:38,959 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:38" (1/1) ... [2024-11-25 03:19:38,964 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:38" (1/1) ... [2024-11-25 03:19:38,969 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:38" (1/1) ... [2024-11-25 03:19:38,971 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:19:38,973 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:19:38,973 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:19:38,973 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:19:38,974 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:38" (1/1) ... [2024-11-25 03:19:38,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:19:39,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d854804e-c028-4c65-84eb-225184888f4b/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:19:39,021 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d854804e-c028-4c65-84eb-225184888f4b/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:19:39,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d854804e-c028-4c65-84eb-225184888f4b/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:19:39,059 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 03:19:39,059 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 03:19:39,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:19:39,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:19:39,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:19:39,282 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:19:39,284 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:19:39,618 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2024-11-25 03:19:39,618 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:19:40,052 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:19:40,052 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 03:19:40,053 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:19:40 BoogieIcfgContainer [2024-11-25 03:19:40,053 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:19:40,054 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:19:40,054 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:19:40,066 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:19:40,067 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:19:40" (1/1) ... [2024-11-25 03:19:40,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:19:40,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:19:40,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-25 03:19:40,147 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-25 03:19:40,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:19:40,152 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:19:40,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:19:40,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:19:40,635 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:19:40,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:19:40,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:19:40,917 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:19:40,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:19:41,000 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 03:19:41,042 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:19:41 ImpRootNode [2024-11-25 03:19:41,043 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:19:41,045 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:19:41,045 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:19:41,046 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:19:41,046 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:19:40" (3/4) ... [2024-11-25 03:19:41,051 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 03:19:41,053 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:19:41,055 INFO L158 Benchmark]: Toolchain (without parser) took 3661.28ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 93.2MB in the end (delta: 9.9MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2024-11-25 03:19:41,056 INFO L158 Benchmark]: CDTParser took 0.72ms. Allocated memory is still 167.8MB. Free memory is still 103.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:19:41,056 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1447.35ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 44.9MB in the end (delta: 58.3MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-25 03:19:41,058 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.21ms. Allocated memory is still 142.6MB. Free memory was 44.9MB in the beginning and 41.9MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:19:41,059 INFO L158 Benchmark]: Boogie Preprocessor took 55.17ms. Allocated memory is still 142.6MB. Free memory was 41.9MB in the beginning and 40.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:19:41,059 INFO L158 Benchmark]: RCFGBuilder took 1080.65ms. Allocated memory is still 142.6MB. Free memory was 40.8MB in the beginning and 68.6MB in the end (delta: -27.8MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2024-11-25 03:19:41,061 INFO L158 Benchmark]: CodeCheck took 988.93ms. Allocated memory is still 142.6MB. Free memory was 68.6MB in the beginning and 94.0MB in the end (delta: -25.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:19:41,062 INFO L158 Benchmark]: Witness Printer took 7.73ms. Allocated memory is still 142.6MB. Free memory was 94.0MB in the beginning and 93.2MB in the end (delta: 811.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:19:41,064 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_rand_postdec_14_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE globalFive==5 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] COND TRUE globalFive==5 [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 0.72ms. Allocated memory is still 167.8MB. Free memory is still 103.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1447.35ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 44.9MB in the end (delta: 58.3MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.21ms. Allocated memory is still 142.6MB. Free memory was 44.9MB in the beginning and 41.9MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.17ms. Allocated memory is still 142.6MB. Free memory was 41.9MB in the beginning and 40.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1080.65ms. Allocated memory is still 142.6MB. Free memory was 40.8MB in the beginning and 68.6MB in the end (delta: -27.8MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * CodeCheck took 988.93ms. Allocated memory is still 142.6MB. Free memory was 68.6MB in the beginning and 94.0MB in the end (delta: -25.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.73ms. Allocated memory is still 142.6MB. Free memory was 94.0MB in the beginning and 93.2MB in the end (delta: 811.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 03:19:41,096 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d854804e-c028-4c65-84eb-225184888f4b/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d854804e-c028-4c65-84eb-225184888f4b/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d854804e-c028-4c65-84eb-225184888f4b/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_d854804e-c028-4c65-84eb-225184888f4b/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d854804e-c028-4c65-84eb-225184888f4b/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_14_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d854804e-c028-4c65-84eb-225184888f4b/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_d854804e-c028-4c65-84eb-225184888f4b/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 7cb1cbc2894625d806f8909c2cfa5b2472c674605089a92fe0ac030e304dde65 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:19:44,223 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:19:44,385 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d854804e-c028-4c65-84eb-225184888f4b/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 03:19:44,470 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:19:44,472 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:19:44,472 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:19:44,473 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:19:44,473 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:19:44,474 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:19:44,474 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:19:44,474 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:19:44,474 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:19:44,474 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:19:44,475 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:19:44,475 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 03:19:44,475 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 03:19:44,475 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 03:19:44,475 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 03:19:44,475 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:19:44,476 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:19:44,476 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:19:44,476 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:19:44,476 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:19:44,477 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:19:44,477 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:19:44,477 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:19:44,477 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 03:19:44,477 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:19:44,478 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:19:44,478 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:19:44,478 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:19:44,478 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:19:44,478 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 03:19:44,478 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:19:44,479 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 03:19:44,479 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_d854804e-c028-4c65-84eb-225184888f4b/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 -> 7cb1cbc2894625d806f8909c2cfa5b2472c674605089a92fe0ac030e304dde65 [2024-11-25 03:19:44,807 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:19:44,818 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:19:44,821 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:19:44,823 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:19:44,824 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:19:44,825 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d854804e-c028-4c65-84eb-225184888f4b/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_14_bad.i [2024-11-25 03:19:48,016 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d854804e-c028-4c65-84eb-225184888f4b/bin/ukojak-verify-ENZ3QT5qd3/data/2489c14e7/fff72c4100d74522a87654ff60d53ed1/FLAG801876629 [2024-11-25 03:19:48,585 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:19:48,589 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d854804e-c028-4c65-84eb-225184888f4b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_14_bad.i [2024-11-25 03:19:48,621 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d854804e-c028-4c65-84eb-225184888f4b/bin/ukojak-verify-ENZ3QT5qd3/data/2489c14e7/fff72c4100d74522a87654ff60d53ed1/FLAG801876629 [2024-11-25 03:19:48,651 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d854804e-c028-4c65-84eb-225184888f4b/bin/ukojak-verify-ENZ3QT5qd3/data/2489c14e7/fff72c4100d74522a87654ff60d53ed1 [2024-11-25 03:19:48,654 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:19:48,658 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:19:48,661 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:19:48,661 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:19:48,668 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:19:48,669 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:19:48" (1/1) ... [2024-11-25 03:19:48,671 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fc84afa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:48, skipping insertion in model container [2024-11-25 03:19:48,671 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:19:48" (1/1) ... [2024-11-25 03:19:48,756 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:19:49,904 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:19:49,921 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:19:50,038 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:19:50,217 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:19:50,218 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:50 WrapperNode [2024-11-25 03:19:50,218 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:19:50,219 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:19:50,219 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:19:50,220 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:19:50,230 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:50" (1/1) ... [2024-11-25 03:19:50,269 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:50" (1/1) ... [2024-11-25 03:19:50,300 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2024-11-25 03:19:50,301 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:19:50,302 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:19:50,302 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:19:50,302 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:19:50,310 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:50" (1/1) ... [2024-11-25 03:19:50,310 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:50" (1/1) ... [2024-11-25 03:19:50,314 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:50" (1/1) ... [2024-11-25 03:19:50,314 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:50" (1/1) ... [2024-11-25 03:19:50,333 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:50" (1/1) ... [2024-11-25 03:19:50,334 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:50" (1/1) ... [2024-11-25 03:19:50,340 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:50" (1/1) ... [2024-11-25 03:19:50,342 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:50" (1/1) ... [2024-11-25 03:19:50,346 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:50" (1/1) ... [2024-11-25 03:19:50,353 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:19:50,354 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:19:50,354 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:19:50,354 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:19:50,359 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:50" (1/1) ... [2024-11-25 03:19:50,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:19:50,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d854804e-c028-4c65-84eb-225184888f4b/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:19:50,416 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d854804e-c028-4c65-84eb-225184888f4b/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:19:50,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d854804e-c028-4c65-84eb-225184888f4b/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:19:50,453 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 03:19:50,454 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 03:19:50,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:19:50,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:19:50,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:19:50,611 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:19:50,612 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:19:50,803 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-25 03:19:50,804 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:19:50,914 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:19:50,914 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 03:19:50,915 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:19:50 BoogieIcfgContainer [2024-11-25 03:19:50,915 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:19:50,916 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:19:50,916 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:19:50,929 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:19:50,929 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:19:50" (1/1) ... [2024-11-25 03:19:50,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:19:50,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:19:51,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-25 03:19:51,009 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-25 03:19:51,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:19:51,013 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:19:51,015 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:19:51,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d854804e-c028-4c65-84eb-225184888f4b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:19:51,020 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d854804e-c028-4c65-84eb-225184888f4b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:19:51,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d854804e-c028-4c65-84eb-225184888f4b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 03:19:51,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:19:51,263 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:19:51,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:19:51,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:19:51,455 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:19:51,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:19:51,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d854804e-c028-4c65-84eb-225184888f4b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 03:19:51,512 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 03:19:51,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:19:51 ImpRootNode [2024-11-25 03:19:51,554 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:19:51,555 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:19:51,555 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:19:51,555 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:19:51,557 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:19:50" (3/4) ... [2024-11-25 03:19:51,559 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 03:19:51,633 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 7. [2024-11-25 03:19:51,702 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d854804e-c028-4c65-84eb-225184888f4b/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 03:19:51,703 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d854804e-c028-4c65-84eb-225184888f4b/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 03:19:51,703 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:19:51,706 INFO L158 Benchmark]: Toolchain (without parser) took 3045.94ms. Allocated memory was 117.4MB in the beginning and 276.8MB in the end (delta: 159.4MB). Free memory was 88.4MB in the beginning and 235.1MB in the end (delta: -146.7MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2024-11-25 03:19:51,706 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 117.4MB. Free memory was 82.5MB in the beginning and 82.5MB in the end (delta: 944B). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:19:51,707 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1558.14ms. Allocated memory is still 117.4MB. Free memory was 88.4MB in the beginning and 67.5MB in the end (delta: 21.0MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. [2024-11-25 03:19:51,707 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.75ms. Allocated memory is still 117.4MB. Free memory was 67.5MB in the beginning and 65.0MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:19:51,707 INFO L158 Benchmark]: Boogie Preprocessor took 51.48ms. Allocated memory is still 117.4MB. Free memory was 65.0MB in the beginning and 62.8MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:19:51,710 INFO L158 Benchmark]: RCFGBuilder took 561.30ms. Allocated memory is still 117.4MB. Free memory was 62.8MB in the beginning and 45.0MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:19:51,710 INFO L158 Benchmark]: CodeCheck took 638.03ms. Allocated memory was 117.4MB in the beginning and 276.8MB in the end (delta: 159.4MB). Free memory was 45.0MB in the beginning and 240.3MB in the end (delta: -195.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:19:51,711 INFO L158 Benchmark]: Witness Printer took 148.11ms. Allocated memory is still 276.8MB. Free memory was 239.6MB in the beginning and 235.1MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:19:51,714 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 1559]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_rand_postdec_14_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE globalFive==5 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] COND TRUE globalFive==5 [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 0.49ms. Allocated memory is still 117.4MB. Free memory was 82.5MB in the beginning and 82.5MB in the end (delta: 944B). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1558.14ms. Allocated memory is still 117.4MB. Free memory was 88.4MB in the beginning and 67.5MB in the end (delta: 21.0MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.75ms. Allocated memory is still 117.4MB. Free memory was 67.5MB in the beginning and 65.0MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 51.48ms. Allocated memory is still 117.4MB. Free memory was 65.0MB in the beginning and 62.8MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 561.30ms. Allocated memory is still 117.4MB. Free memory was 62.8MB in the beginning and 45.0MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 638.03ms. Allocated memory was 117.4MB in the beginning and 276.8MB in the end (delta: 159.4MB). Free memory was 45.0MB in the beginning and 240.3MB in the end (delta: -195.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 148.11ms. Allocated memory is still 276.8MB. Free memory was 239.6MB in the beginning and 235.1MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 03:19:51,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d854804e-c028-4c65-84eb-225184888f4b/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)