./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_65_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3c0d6a-25fa-40a0-9ab9-44dbbc0d4796/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3c0d6a-25fa-40a0-9ab9-44dbbc0d4796/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_fe3c0d6a-25fa-40a0-9ab9-44dbbc0d4796/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3c0d6a-25fa-40a0-9ab9-44dbbc0d4796/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3c0d6a-25fa-40a0-9ab9-44dbbc0d4796/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_fe3c0d6a-25fa-40a0-9ab9-44dbbc0d4796/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 1e7a810996294a966322c937b5f65d7b9a23312715388dcfce8e322fe3749ea4 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:00:44,345 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:00:44,426 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3c0d6a-25fa-40a0-9ab9-44dbbc0d4796/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-09 00:00:44,433 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:00:44,433 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:00:44,474 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:00:44,475 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:00:44,475 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:00:44,476 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:00:44,477 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:00:44,478 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:00:44,478 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:00:44,479 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:00:44,481 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:00:44,481 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:00:44,481 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:00:44,482 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:00:44,482 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:00:44,482 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:00:44,486 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:00:44,487 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:00:44,487 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:00:44,487 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:00:44,488 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:00:44,488 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:00:44,488 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:00:44,488 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:00:44,489 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:00:44,489 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:00:44,489 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:00:44,489 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:00:44,490 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:00:44,490 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_fe3c0d6a-25fa-40a0-9ab9-44dbbc0d4796/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3c0d6a-25fa-40a0-9ab9-44dbbc0d4796/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1e7a810996294a966322c937b5f65d7b9a23312715388dcfce8e322fe3749ea4 [2024-11-09 00:00:44,776 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:00:44,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:00:44,810 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:00:44,811 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:00:44,812 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:00:44,813 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3c0d6a-25fa-40a0-9ab9-44dbbc0d4796/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_65_bad.i Unable to find full path for "g++" [2024-11-09 00:00:46,944 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:00:47,420 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:00:47,421 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3c0d6a-25fa-40a0-9ab9-44dbbc0d4796/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_65_bad.i [2024-11-09 00:00:47,451 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3c0d6a-25fa-40a0-9ab9-44dbbc0d4796/bin/ukojak-verify-ImItNfHLgk/data/504421caf/00b2aa9d415049c29b6f8bd9046216a6/FLAGf57a925fb [2024-11-09 00:00:47,530 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3c0d6a-25fa-40a0-9ab9-44dbbc0d4796/bin/ukojak-verify-ImItNfHLgk/data/504421caf/00b2aa9d415049c29b6f8bd9046216a6 [2024-11-09 00:00:47,535 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:00:47,537 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:00:47,540 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:00:47,541 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:00:47,547 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:00:47,548 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:00:47" (1/1) ... [2024-11-09 00:00:47,552 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c5e6b05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:47, skipping insertion in model container [2024-11-09 00:00:47,553 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:00:47" (1/1) ... [2024-11-09 00:00:47,651 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:00:49,095 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:00:49,112 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:00:49,299 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:00:49,494 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:00:49,494 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:49 WrapperNode [2024-11-09 00:00:49,495 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:00:49,496 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:00:49,497 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:00:49,497 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:00:49,505 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:49" (1/1) ... [2024-11-09 00:00:49,535 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:49" (1/1) ... [2024-11-09 00:00:49,571 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 105 [2024-11-09 00:00:49,572 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:00:49,573 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:00:49,573 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:00:49,573 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:00:49,587 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:49" (1/1) ... [2024-11-09 00:00:49,587 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:49" (1/1) ... [2024-11-09 00:00:49,597 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:49" (1/1) ... [2024-11-09 00:00:49,597 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:49" (1/1) ... [2024-11-09 00:00:49,608 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:49" (1/1) ... [2024-11-09 00:00:49,615 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:49" (1/1) ... [2024-11-09 00:00:49,621 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:49" (1/1) ... [2024-11-09 00:00:49,627 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:49" (1/1) ... [2024-11-09 00:00:49,630 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:00:49,635 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:00:49,635 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:00:49,635 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:00:49,636 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:49" (1/1) ... [2024-11-09 00:00:49,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:00:49,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3c0d6a-25fa-40a0-9ab9-44dbbc0d4796/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:00:49,686 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3c0d6a-25fa-40a0-9ab9-44dbbc0d4796/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:00:49,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3c0d6a-25fa-40a0-9ab9-44dbbc0d4796/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:00:49,749 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:00:49,750 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:00:49,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:00:49,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:00:49,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:00:49,932 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:00:49,935 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:00:50,222 INFO L? ?]: Removed 64 outVars from TransFormulas that were not future-live. [2024-11-09 00:00:50,223 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:00:50,533 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:00:50,534 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:00:50,537 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:00:50 BoogieIcfgContainer [2024-11-09 00:00:50,538 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:00:50,539 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:00:50,540 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:00:50,554 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:00:50,554 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:00:50" (1/1) ... [2024-11-09 00:00:50,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:00:50,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:00:50,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-09 00:00:50,641 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-09 00:00:50,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:00:50,646 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:00:50,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:00:51,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:00:51,052 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:00:51,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:00:51,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:00:51,242 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:00:51,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:00:51,293 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:00:51,319 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:00:51 ImpRootNode [2024-11-09 00:00:51,319 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:00:51,320 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:00:51,320 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:00:51,320 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:00:51,321 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:00:50" (3/4) ... [2024-11-09 00:00:51,324 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:00:51,325 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:00:51,326 INFO L158 Benchmark]: Toolchain (without parser) took 3789.73ms. Allocated memory was 127.9MB in the beginning and 163.6MB in the end (delta: 35.7MB). Free memory was 94.3MB in the beginning and 91.6MB in the end (delta: 2.7MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. [2024-11-09 00:00:51,327 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 100.7MB. Free memory was 57.7MB in the beginning and 57.5MB in the end (delta: 176.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:00:51,328 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1954.91ms. Allocated memory is still 127.9MB. Free memory was 94.1MB in the beginning and 60.7MB in the end (delta: 33.4MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. [2024-11-09 00:00:51,329 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.95ms. Allocated memory is still 127.9MB. Free memory was 60.7MB in the beginning and 57.3MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 00:00:51,331 INFO L158 Benchmark]: Boogie Preprocessor took 61.38ms. Allocated memory is still 127.9MB. Free memory was 57.3MB in the beginning and 56.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:00:51,332 INFO L158 Benchmark]: RCFGBuilder took 902.94ms. Allocated memory is still 127.9MB. Free memory was 55.6MB in the beginning and 56.9MB in the end (delta: -1.3MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2024-11-09 00:00:51,333 INFO L158 Benchmark]: CodeCheck took 780.16ms. Allocated memory was 127.9MB in the beginning and 163.6MB in the end (delta: 35.7MB). Free memory was 56.9MB in the beginning and 92.5MB in the end (delta: -35.6MB). Peak memory consumption was 15.8kB. Max. memory is 16.1GB. [2024-11-09 00:00:51,334 INFO L158 Benchmark]: Witness Printer took 5.48ms. Allocated memory is still 163.6MB. Free memory is still 91.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:00:51,339 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1568]: 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 1560, 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); [L1560] 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) [L1560] 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] [L1561] CALL CWE191_Integer_Underflow__int_rand_predec_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE191_Integer_Underflow__int_rand_predec_65b_badSink; [L1553] data = 0 [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)) [L1555] CALL funcPtr(data) [L1568] --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 0.25ms. Allocated memory is still 100.7MB. Free memory was 57.7MB in the beginning and 57.5MB in the end (delta: 176.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1954.91ms. Allocated memory is still 127.9MB. Free memory was 94.1MB in the beginning and 60.7MB in the end (delta: 33.4MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.95ms. Allocated memory is still 127.9MB. Free memory was 60.7MB in the beginning and 57.3MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.38ms. Allocated memory is still 127.9MB. Free memory was 57.3MB in the beginning and 56.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 902.94ms. Allocated memory is still 127.9MB. Free memory was 55.6MB in the beginning and 56.9MB in the end (delta: -1.3MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. * CodeCheck took 780.16ms. Allocated memory was 127.9MB in the beginning and 163.6MB in the end (delta: 35.7MB). Free memory was 56.9MB in the beginning and 92.5MB in the end (delta: -35.6MB). Peak memory consumption was 15.8kB. Max. memory is 16.1GB. * Witness Printer took 5.48ms. Allocated memory is still 163.6MB. Free memory is still 91.6MB. 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 00:00:51,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3c0d6a-25fa-40a0-9ab9-44dbbc0d4796/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3c0d6a-25fa-40a0-9ab9-44dbbc0d4796/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3c0d6a-25fa-40a0-9ab9-44dbbc0d4796/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_fe3c0d6a-25fa-40a0-9ab9-44dbbc0d4796/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3c0d6a-25fa-40a0-9ab9-44dbbc0d4796/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3c0d6a-25fa-40a0-9ab9-44dbbc0d4796/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_fe3c0d6a-25fa-40a0-9ab9-44dbbc0d4796/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 1e7a810996294a966322c937b5f65d7b9a23312715388dcfce8e322fe3749ea4 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:00:53,909 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:00:54,017 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3c0d6a-25fa-40a0-9ab9-44dbbc0d4796/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-09 00:00:54,061 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:00:54,062 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:00:54,064 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:00:54,065 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:00:54,067 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:00:54,068 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:00:54,068 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:00:54,069 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:00:54,069 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:00:54,069 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:00:54,070 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:00:54,070 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:00:54,072 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:00:54,073 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:00:54,077 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:00:54,077 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:00:54,077 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:00:54,078 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:00:54,078 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:00:54,078 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:00:54,079 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:00:54,079 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:00:54,079 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:00:54,079 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:00:54,080 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:00:54,080 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:00:54,080 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:00:54,081 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:00:54,081 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:00:54,083 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:00:54,084 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:00:54,085 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:00:54,085 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_fe3c0d6a-25fa-40a0-9ab9-44dbbc0d4796/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3c0d6a-25fa-40a0-9ab9-44dbbc0d4796/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1e7a810996294a966322c937b5f65d7b9a23312715388dcfce8e322fe3749ea4 [2024-11-09 00:00:54,485 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:00:54,519 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:00:54,522 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:00:54,524 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:00:54,524 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:00:54,526 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3c0d6a-25fa-40a0-9ab9-44dbbc0d4796/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_65_bad.i Unable to find full path for "g++" [2024-11-09 00:00:56,768 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:00:57,087 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:00:57,091 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3c0d6a-25fa-40a0-9ab9-44dbbc0d4796/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_65_bad.i [2024-11-09 00:00:57,123 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3c0d6a-25fa-40a0-9ab9-44dbbc0d4796/bin/ukojak-verify-ImItNfHLgk/data/a7b562bee/1f83473d9a83408f8c1865983e34e280/FLAGa2cbbb7d4 [2024-11-09 00:00:57,335 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3c0d6a-25fa-40a0-9ab9-44dbbc0d4796/bin/ukojak-verify-ImItNfHLgk/data/a7b562bee/1f83473d9a83408f8c1865983e34e280 [2024-11-09 00:00:57,338 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:00:57,339 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:00:57,343 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:00:57,343 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:00:57,349 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:00:57,350 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:00:57" (1/1) ... [2024-11-09 00:00:57,352 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11e8c5fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:57, skipping insertion in model container [2024-11-09 00:00:57,354 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:00:57" (1/1) ... [2024-11-09 00:00:57,441 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:00:58,466 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:00:58,483 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:00:58,600 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:00:58,725 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:00:58,725 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:58 WrapperNode [2024-11-09 00:00:58,726 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:00:58,727 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:00:58,727 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:00:58,727 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:00:58,735 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:58" (1/1) ... [2024-11-09 00:00:58,773 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:58" (1/1) ... [2024-11-09 00:00:58,796 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 65 [2024-11-09 00:00:58,797 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:00:58,798 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:00:58,798 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:00:58,798 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:00:58,808 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:58" (1/1) ... [2024-11-09 00:00:58,808 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:58" (1/1) ... [2024-11-09 00:00:58,811 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:58" (1/1) ... [2024-11-09 00:00:58,812 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:58" (1/1) ... [2024-11-09 00:00:58,820 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:58" (1/1) ... [2024-11-09 00:00:58,822 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:58" (1/1) ... [2024-11-09 00:00:58,824 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:58" (1/1) ... [2024-11-09 00:00:58,826 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:58" (1/1) ... [2024-11-09 00:00:58,833 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:00:58,834 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:00:58,835 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:00:58,835 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:00:58,836 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:58" (1/1) ... [2024-11-09 00:00:58,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:00:58,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3c0d6a-25fa-40a0-9ab9-44dbbc0d4796/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:00:58,885 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3c0d6a-25fa-40a0-9ab9-44dbbc0d4796/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:00:58,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3c0d6a-25fa-40a0-9ab9-44dbbc0d4796/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:00:58,922 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:00:58,922 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:00:58,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:00:58,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:00:58,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:00:59,116 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:00:59,119 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:00:59,280 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-11-09 00:00:59,280 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:00:59,414 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:00:59,415 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:00:59,415 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:00:59 BoogieIcfgContainer [2024-11-09 00:00:59,415 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:00:59,416 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:00:59,416 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:00:59,428 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:00:59,428 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:00:59" (1/1) ... [2024-11-09 00:00:59,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:00:59,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:00:59,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-09 00:00:59,496 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-09 00:00:59,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:00:59,501 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:00:59,502 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:00:59,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3c0d6a-25fa-40a0-9ab9-44dbbc0d4796/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:00:59,505 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3c0d6a-25fa-40a0-9ab9-44dbbc0d4796/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:00:59,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3c0d6a-25fa-40a0-9ab9-44dbbc0d4796/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:00:59,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:00:59,727 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:00:59,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:00:59,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:00:59,880 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:00:59,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:00:59,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3c0d6a-25fa-40a0-9ab9-44dbbc0d4796/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-09 00:00:59,950 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:00:59,986 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:00:59 ImpRootNode [2024-11-09 00:00:59,987 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:00:59,989 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:00:59,989 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:00:59,990 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:00:59,990 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:00:59" (3/4) ... [2024-11-09 00:00:59,994 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:00:59,996 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:00:59,997 INFO L158 Benchmark]: Toolchain (without parser) took 2657.26ms. Allocated memory was 67.1MB in the beginning and 94.4MB in the end (delta: 27.3MB). Free memory was 35.3MB in the beginning and 59.2MB in the end (delta: -23.9MB). Peak memory consumption was 2.5MB. Max. memory is 16.1GB. [2024-11-09 00:00:59,997 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 67.1MB. Free memory was 43.1MB in the beginning and 43.0MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:00:59,998 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1383.25ms. Allocated memory was 67.1MB in the beginning and 94.4MB in the end (delta: 27.3MB). Free memory was 35.0MB in the beginning and 49.9MB in the end (delta: -14.9MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. [2024-11-09 00:00:59,999 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.50ms. Allocated memory is still 94.4MB. Free memory was 49.9MB in the beginning and 46.6MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:00:59,999 INFO L158 Benchmark]: Boogie Preprocessor took 35.91ms. Allocated memory is still 94.4MB. Free memory was 46.6MB in the beginning and 44.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:01:00,000 INFO L158 Benchmark]: RCFGBuilder took 580.97ms. Allocated memory is still 94.4MB. Free memory was 44.5MB in the beginning and 48.7MB in the end (delta: -4.2MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2024-11-09 00:01:00,001 INFO L158 Benchmark]: CodeCheck took 570.88ms. Allocated memory is still 94.4MB. Free memory was 48.7MB in the beginning and 59.7MB in the end (delta: -11.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:01:00,002 INFO L158 Benchmark]: Witness Printer took 6.75ms. Allocated memory is still 94.4MB. Free memory was 59.7MB in the beginning and 59.2MB in the end (delta: 502.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:01:00,007 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1568]: 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 1560. 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); [L1560] 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) [L1560] 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] [L1561] CALL CWE191_Integer_Underflow__int_rand_predec_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE191_Integer_Underflow__int_rand_predec_65b_badSink; [L1553] data = 0 [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)) [L1555] CALL funcPtr(data) [L1568] --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 0.33ms. Allocated memory is still 67.1MB. Free memory was 43.1MB in the beginning and 43.0MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1383.25ms. Allocated memory was 67.1MB in the beginning and 94.4MB in the end (delta: 27.3MB). Free memory was 35.0MB in the beginning and 49.9MB in the end (delta: -14.9MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.50ms. Allocated memory is still 94.4MB. Free memory was 49.9MB in the beginning and 46.6MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.91ms. Allocated memory is still 94.4MB. Free memory was 46.6MB in the beginning and 44.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 580.97ms. Allocated memory is still 94.4MB. Free memory was 44.5MB in the beginning and 48.7MB in the end (delta: -4.2MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * CodeCheck took 570.88ms. Allocated memory is still 94.4MB. Free memory was 48.7MB in the beginning and 59.7MB in the end (delta: -11.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.75ms. Allocated memory is still 94.4MB. Free memory was 59.7MB in the beginning and 59.2MB in the end (delta: 502.1kB). 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 00:01:00,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3c0d6a-25fa-40a0-9ab9-44dbbc0d4796/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample