./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_21_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06ad4d-5826-4c48-9866-04b52d759d37/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06ad4d-5826-4c48-9866-04b52d759d37/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06ad4d-5826-4c48-9866-04b52d759d37/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06ad4d-5826-4c48-9866-04b52d759d37/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06ad4d-5826-4c48-9866-04b52d759d37/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06ad4d-5826-4c48-9866-04b52d759d37/bin/ukojak-verify-ImItNfHLgk --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 df29f6e58833d62bb206bcd7224ef68a083dbbe2c61307204040ab2ee2faebda --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:00:06,987 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:00:07,094 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06ad4d-5826-4c48-9866-04b52d759d37/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-09 01:00:07,102 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:00:07,104 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 01:00:07,143 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:00:07,144 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:00:07,145 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 01:00:07,146 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 01:00:07,147 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 01:00:07,149 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:00:07,149 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:00:07,150 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 01:00:07,152 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:00:07,153 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:00:07,153 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:00:07,154 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:00:07,154 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:00:07,155 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 01:00:07,155 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 01:00:07,155 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:00:07,160 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:00:07,161 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 01:00:07,162 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 01:00:07,163 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 01:00:07,163 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:00:07,164 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 01:00:07,164 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:00:07,164 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:00:07,166 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:00:07,167 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 01:00:07,167 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 01:00:07,168 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06ad4d-5826-4c48-9866-04b52d759d37/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06ad4d-5826-4c48-9866-04b52d759d37/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> df29f6e58833d62bb206bcd7224ef68a083dbbe2c61307204040ab2ee2faebda [2024-11-09 01:00:07,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:00:07,501 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:00:07,507 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:00:07,509 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:00:07,510 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:00:07,511 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06ad4d-5826-4c48-9866-04b52d759d37/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_21_bad.i Unable to find full path for "g++" [2024-11-09 01:00:09,657 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:00:10,063 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:00:10,064 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06ad4d-5826-4c48-9866-04b52d759d37/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_21_bad.i [2024-11-09 01:00:10,100 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06ad4d-5826-4c48-9866-04b52d759d37/bin/ukojak-verify-ImItNfHLgk/data/0356c65da/2a3f53d010d34b7399bb3ad3b38dd076/FLAGf73df445a [2024-11-09 01:00:10,126 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06ad4d-5826-4c48-9866-04b52d759d37/bin/ukojak-verify-ImItNfHLgk/data/0356c65da/2a3f53d010d34b7399bb3ad3b38dd076 [2024-11-09 01:00:10,129 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:00:10,131 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:00:10,133 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:00:10,133 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:00:10,142 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:00:10,143 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:00:10" (1/1) ... [2024-11-09 01:00:10,144 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1998ab6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:00:10, skipping insertion in model container [2024-11-09 01:00:10,144 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:00:10" (1/1) ... [2024-11-09 01:00:10,221 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:00:11,439 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:00:11,456 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:00:11,570 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:00:11,753 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:00:11,753 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:00:11 WrapperNode [2024-11-09 01:00:11,754 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:00:11,755 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:00:11,755 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:00:11,755 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:00:11,763 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:00:11" (1/1) ... [2024-11-09 01:00:11,798 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:00:11" (1/1) ... [2024-11-09 01:00:11,838 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 102 [2024-11-09 01:00:11,838 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:00:11,839 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:00:11,839 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:00:11,840 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:00:11,851 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:00:11" (1/1) ... [2024-11-09 01:00:11,852 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:00:11" (1/1) ... [2024-11-09 01:00:11,858 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:00:11" (1/1) ... [2024-11-09 01:00:11,858 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:00:11" (1/1) ... [2024-11-09 01:00:11,868 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:00:11" (1/1) ... [2024-11-09 01:00:11,871 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:00:11" (1/1) ... [2024-11-09 01:00:11,873 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:00:11" (1/1) ... [2024-11-09 01:00:11,875 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:00:11" (1/1) ... [2024-11-09 01:00:11,878 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:00:11,879 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:00:11,880 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:00:11,880 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:00:11,881 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:00:11" (1/1) ... [2024-11-09 01:00:11,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 01:00:11,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06ad4d-5826-4c48-9866-04b52d759d37/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 01:00:11,920 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06ad4d-5826-4c48-9866-04b52d759d37/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 01:00:11,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06ad4d-5826-4c48-9866-04b52d759d37/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 01:00:11,961 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 01:00:11,961 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 01:00:11,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:00:11,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:00:11,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:00:12,134 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:00:12,140 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:00:12,446 INFO L? ?]: Removed 59 outVars from TransFormulas that were not future-live. [2024-11-09 01:00:12,446 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:00:12,756 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:00:12,757 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 01:00:12,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:00:12 BoogieIcfgContainer [2024-11-09 01:00:12,758 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:00:12,759 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 01:00:12,759 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 01:00:12,771 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 01:00:12,772 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:00:12" (1/1) ... [2024-11-09 01:00:12,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:00:12,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:12,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-09 01:00:12,893 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-09 01:00:12,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 01:00:12,897 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:12,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:00:13,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:00:13,287 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 01:00:13,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:00:13,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:00:13,535 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 01:00:13,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:00:13,598 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 01:00:13,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 01:00:13 ImpRootNode [2024-11-09 01:00:13,633 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 01:00:13,634 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 01:00:13,634 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 01:00:13,634 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 01:00:13,635 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:00:12" (3/4) ... [2024-11-09 01:00:13,641 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 01:00:13,643 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 01:00:13,646 INFO L158 Benchmark]: Toolchain (without parser) took 3513.72ms. Allocated memory was 132.1MB in the beginning and 165.7MB in the end (delta: 33.6MB). Free memory was 98.6MB in the beginning and 87.3MB in the end (delta: 11.3MB). Peak memory consumption was 44.1MB. Max. memory is 16.1GB. [2024-11-09 01:00:13,647 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 107.0MB. Free memory is still 63.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:00:13,648 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1621.15ms. Allocated memory was 132.1MB in the beginning and 165.7MB in the end (delta: 33.6MB). Free memory was 98.6MB in the beginning and 112.4MB in the end (delta: -13.7MB). Peak memory consumption was 55.1MB. Max. memory is 16.1GB. [2024-11-09 01:00:13,651 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.72ms. Allocated memory is still 165.7MB. Free memory was 112.4MB in the beginning and 109.1MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 01:00:13,652 INFO L158 Benchmark]: Boogie Preprocessor took 39.50ms. Allocated memory is still 165.7MB. Free memory was 109.1MB in the beginning and 108.2MB in the end (delta: 853.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:00:13,653 INFO L158 Benchmark]: RCFGBuilder took 878.38ms. Allocated memory is still 165.7MB. Free memory was 107.8MB in the beginning and 123.0MB in the end (delta: -15.2MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-11-09 01:00:13,654 INFO L158 Benchmark]: CodeCheck took 874.01ms. Allocated memory is still 165.7MB. Free memory was 123.0MB in the beginning and 88.2MB in the end (delta: 34.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-09 01:00:13,656 INFO L158 Benchmark]: Witness Printer took 10.57ms. Allocated memory is still 165.7MB. Free memory was 88.2MB in the beginning and 87.3MB in the end (delta: 882.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:00:13,662 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, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 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: 1555]: 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 1571, overapproximation of bitwiseOr at line 1564. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int badStatic = 0; [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_rand_multiply_21_bad() [L1562] int data; [L1563] data = 0 [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1564] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1564] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1564] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1565] badStatic = 1 [L1566] CALL badSink(data) [L1551] COND TRUE \read(badStatic) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=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 0.34ms. Allocated memory is still 107.0MB. Free memory is still 63.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1621.15ms. Allocated memory was 132.1MB in the beginning and 165.7MB in the end (delta: 33.6MB). Free memory was 98.6MB in the beginning and 112.4MB in the end (delta: -13.7MB). Peak memory consumption was 55.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.72ms. Allocated memory is still 165.7MB. Free memory was 112.4MB in the beginning and 109.1MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.50ms. Allocated memory is still 165.7MB. Free memory was 109.1MB in the beginning and 108.2MB in the end (delta: 853.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 878.38ms. Allocated memory is still 165.7MB. Free memory was 107.8MB in the beginning and 123.0MB in the end (delta: -15.2MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * CodeCheck took 874.01ms. Allocated memory is still 165.7MB. Free memory was 123.0MB in the beginning and 88.2MB in the end (delta: 34.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 10.57ms. Allocated memory is still 165.7MB. Free memory was 88.2MB in the beginning and 87.3MB in the end (delta: 882.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 01:00:13,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06ad4d-5826-4c48-9866-04b52d759d37/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06ad4d-5826-4c48-9866-04b52d759d37/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06ad4d-5826-4c48-9866-04b52d759d37/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06ad4d-5826-4c48-9866-04b52d759d37/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06ad4d-5826-4c48-9866-04b52d759d37/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06ad4d-5826-4c48-9866-04b52d759d37/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06ad4d-5826-4c48-9866-04b52d759d37/bin/ukojak-verify-ImItNfHLgk --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 df29f6e58833d62bb206bcd7224ef68a083dbbe2c61307204040ab2ee2faebda --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:00:16,478 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:00:16,581 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06ad4d-5826-4c48-9866-04b52d759d37/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-09 01:00:16,632 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:00:16,633 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:00:16,636 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 01:00:16,637 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 01:00:16,638 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 01:00:16,639 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:00:16,641 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:00:16,641 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:00:16,642 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:00:16,643 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:00:16,643 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:00:16,646 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 01:00:16,647 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 01:00:16,647 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:00:16,648 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 01:00:16,648 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 01:00:16,648 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 01:00:16,649 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:00:16,653 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:00:16,653 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 01:00:16,654 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 01:00:16,654 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 01:00:16,654 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:16,655 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 01:00:16,655 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:00:16,655 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 01:00:16,656 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:00:16,656 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:00:16,659 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:00:16,660 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 01:00:16,661 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:16,661 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 01:00:16,662 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06ad4d-5826-4c48-9866-04b52d759d37/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06ad4d-5826-4c48-9866-04b52d759d37/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> df29f6e58833d62bb206bcd7224ef68a083dbbe2c61307204040ab2ee2faebda [2024-11-09 01:00:17,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:00:17,183 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:00:17,193 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:00:17,195 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:00:17,197 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:00:17,199 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06ad4d-5826-4c48-9866-04b52d759d37/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_21_bad.i Unable to find full path for "g++" [2024-11-09 01:00:19,504 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:00:20,078 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:00:20,079 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06ad4d-5826-4c48-9866-04b52d759d37/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_21_bad.i [2024-11-09 01:00:20,121 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06ad4d-5826-4c48-9866-04b52d759d37/bin/ukojak-verify-ImItNfHLgk/data/8f4823f7c/cbb68350aaae422bb1ea2db3b20b7a21/FLAGc7080bcbf [2024-11-09 01:00:20,575 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06ad4d-5826-4c48-9866-04b52d759d37/bin/ukojak-verify-ImItNfHLgk/data/8f4823f7c/cbb68350aaae422bb1ea2db3b20b7a21 [2024-11-09 01:00:20,578 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:00:20,580 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:00:20,581 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:00:20,582 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:00:20,589 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:00:20,590 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:00:20" (1/1) ... [2024-11-09 01:00:20,591 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2058656f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:00:20, skipping insertion in model container [2024-11-09 01:00:20,591 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:00:20" (1/1) ... [2024-11-09 01:00:20,679 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:00:22,229 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:00:22,245 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:00:22,401 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:00:22,618 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:00:22,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:00:22 WrapperNode [2024-11-09 01:00:22,619 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:00:22,624 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:00:22,624 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:00:22,624 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:00:22,641 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:00:22" (1/1) ... [2024-11-09 01:00:22,703 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:00:22" (1/1) ... [2024-11-09 01:00:22,735 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 62 [2024-11-09 01:00:22,736 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:00:22,736 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:00:22,737 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:00:22,737 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:00:22,752 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:00:22" (1/1) ... [2024-11-09 01:00:22,753 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:00:22" (1/1) ... [2024-11-09 01:00:22,764 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:00:22" (1/1) ... [2024-11-09 01:00:22,769 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:00:22" (1/1) ... [2024-11-09 01:00:22,790 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:00:22" (1/1) ... [2024-11-09 01:00:22,793 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:00:22" (1/1) ... [2024-11-09 01:00:22,800 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:00:22" (1/1) ... [2024-11-09 01:00:22,814 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:00:22" (1/1) ... [2024-11-09 01:00:22,818 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:00:22,819 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:00:22,820 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:00:22,820 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:00:22,821 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:00:22" (1/1) ... [2024-11-09 01:00:22,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 01:00:22,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06ad4d-5826-4c48-9866-04b52d759d37/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 01:00:22,868 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06ad4d-5826-4c48-9866-04b52d759d37/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 01:00:22,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06ad4d-5826-4c48-9866-04b52d759d37/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 01:00:22,902 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 01:00:22,902 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 01:00:22,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:00:22,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:00:22,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:00:23,103 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:00:23,107 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:00:23,301 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-11-09 01:00:23,301 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:00:23,402 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:00:23,403 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 01:00:23,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:00:23 BoogieIcfgContainer [2024-11-09 01:00:23,403 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:00:23,404 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 01:00:23,405 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 01:00:23,418 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 01:00:23,418 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:00:23" (1/1) ... [2024-11-09 01:00:23,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:00:23,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:23,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-09 01:00:23,511 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-09 01:00:23,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 01:00:23,517 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:23,519 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:23,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06ad4d-5826-4c48-9866-04b52d759d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:23,522 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06ad4d-5826-4c48-9866-04b52d759d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:23,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06ad4d-5826-4c48-9866-04b52d759d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 01:00:23,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:00:23,794 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 01:00:23,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:00:23,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:00:23,987 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 01:00:24,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:00:24,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06ad4d-5826-4c48-9866-04b52d759d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-09 01:00:24,061 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 01:00:24,106 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 01:00:24 ImpRootNode [2024-11-09 01:00:24,106 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 01:00:24,107 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 01:00:24,107 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 01:00:24,107 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 01:00:24,110 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:00:23" (3/4) ... [2024-11-09 01:00:24,113 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 01:00:24,114 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 01:00:24,116 INFO L158 Benchmark]: Toolchain (without parser) took 3535.58ms. Allocated memory was 79.7MB in the beginning and 100.7MB in the end (delta: 21.0MB). Free memory was 50.9MB in the beginning and 64.8MB in the end (delta: -13.9MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2024-11-09 01:00:24,116 INFO L158 Benchmark]: CDTParser took 0.66ms. Allocated memory is still 79.7MB. Free memory was 55.4MB in the beginning and 55.3MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:00:24,117 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2041.39ms. Allocated memory was 79.7MB in the beginning and 100.7MB in the end (delta: 21.0MB). Free memory was 50.9MB in the beginning and 48.2MB in the end (delta: 2.6MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2024-11-09 01:00:24,118 INFO L158 Benchmark]: Boogie Procedure Inliner took 112.16ms. Allocated memory is still 100.7MB. Free memory was 48.2MB in the beginning and 45.4MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 01:00:24,119 INFO L158 Benchmark]: Boogie Preprocessor took 82.19ms. Allocated memory is still 100.7MB. Free memory was 45.4MB in the beginning and 71.5MB in the end (delta: -26.1MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2024-11-09 01:00:24,121 INFO L158 Benchmark]: RCFGBuilder took 584.15ms. Allocated memory is still 100.7MB. Free memory was 71.5MB in the beginning and 52.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-09 01:00:24,122 INFO L158 Benchmark]: CodeCheck took 701.69ms. Allocated memory is still 100.7MB. Free memory was 52.6MB in the beginning and 64.8MB in the end (delta: -12.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:00:24,122 INFO L158 Benchmark]: Witness Printer took 7.69ms. Allocated memory is still 100.7MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:00:24,128 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, 15 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, 8 NumberOfCodeBlocks, 8 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: 1555]: 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 1571. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int badStatic = 0; [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_rand_multiply_21_bad() [L1562] int data; [L1563] data = 0 [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1564] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1565] badStatic = 1 [L1566] CALL badSink(data) [L1551] COND TRUE \read(badStatic) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=-1073774592, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=-1073774592, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=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 0.66ms. Allocated memory is still 79.7MB. Free memory was 55.4MB in the beginning and 55.3MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2041.39ms. Allocated memory was 79.7MB in the beginning and 100.7MB in the end (delta: 21.0MB). Free memory was 50.9MB in the beginning and 48.2MB in the end (delta: 2.6MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 112.16ms. Allocated memory is still 100.7MB. Free memory was 48.2MB in the beginning and 45.4MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.19ms. Allocated memory is still 100.7MB. Free memory was 45.4MB in the beginning and 71.5MB in the end (delta: -26.1MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. * RCFGBuilder took 584.15ms. Allocated memory is still 100.7MB. Free memory was 71.5MB in the beginning and 52.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 701.69ms. Allocated memory is still 100.7MB. Free memory was 52.6MB in the beginning and 64.8MB in the end (delta: -12.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.69ms. Allocated memory is still 100.7MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 01:00:24,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06ad4d-5826-4c48-9866-04b52d759d37/bin/ukojak-verify-ImItNfHLgk/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 Result: UNKNOWN: Overapproximated counterexample