./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_11_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_523dac68-fdeb-40d9-b6ca-39bb216d8ca3/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523dac68-fdeb-40d9-b6ca-39bb216d8ca3/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_523dac68-fdeb-40d9-b6ca-39bb216d8ca3/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523dac68-fdeb-40d9-b6ca-39bb216d8ca3/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_11_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523dac68-fdeb-40d9-b6ca-39bb216d8ca3/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_523dac68-fdeb-40d9-b6ca-39bb216d8ca3/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 dbe2ca349e0667d8692126dce502d970e06290e62c46f46043e6bad80040db74 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:52:42,631 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:52:42,742 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523dac68-fdeb-40d9-b6ca-39bb216d8ca3/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 22:52:42,752 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:52:42,752 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:52:42,803 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:52:42,805 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:52:42,806 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:52:42,806 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:52:42,808 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:52:42,808 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:52:42,809 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:52:42,809 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:52:42,809 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:52:42,809 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:52:42,812 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:52:42,812 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:52:42,812 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:52:42,813 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:52:42,813 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:52:42,813 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:52:42,816 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:52:42,817 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:52:42,817 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:52:42,817 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:52:42,818 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:52:42,818 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:52:42,818 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:52:42,818 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:52:42,819 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:52:42,820 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:52:42,820 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:52:42,820 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_523dac68-fdeb-40d9-b6ca-39bb216d8ca3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523dac68-fdeb-40d9-b6ca-39bb216d8ca3/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbe2ca349e0667d8692126dce502d970e06290e62c46f46043e6bad80040db74 [2024-11-08 22:52:43,085 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:52:43,120 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:52:43,125 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:52:43,126 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:52:43,126 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:52:43,128 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523dac68-fdeb-40d9-b6ca-39bb216d8ca3/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_11_bad.i Unable to find full path for "g++" [2024-11-08 22:52:45,062 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:52:45,500 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:52:45,503 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523dac68-fdeb-40d9-b6ca-39bb216d8ca3/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_11_bad.i [2024-11-08 22:52:45,533 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523dac68-fdeb-40d9-b6ca-39bb216d8ca3/bin/ukojak-verify-ImItNfHLgk/data/88dc6f6e8/eb9154bcdd974654b4b0b36b9df4a806/FLAGd4235f304 [2024-11-08 22:52:45,552 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523dac68-fdeb-40d9-b6ca-39bb216d8ca3/bin/ukojak-verify-ImItNfHLgk/data/88dc6f6e8/eb9154bcdd974654b4b0b36b9df4a806 [2024-11-08 22:52:45,555 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:52:45,558 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:52:45,580 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:52:45,580 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:52:45,585 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:52:45,586 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:52:45" (1/1) ... [2024-11-08 22:52:45,587 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61c0f54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:45, skipping insertion in model container [2024-11-08 22:52:45,589 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:52:45" (1/1) ... [2024-11-08 22:52:45,663 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:52:46,569 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:52:46,578 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:52:46,707 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:52:46,889 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:52:46,894 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:46 WrapperNode [2024-11-08 22:52:46,894 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:52:46,896 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:52:46,900 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:52:46,900 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:52:46,907 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:46" (1/1) ... [2024-11-08 22:52:46,945 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:46" (1/1) ... [2024-11-08 22:52:47,001 INFO L138 Inliner]: procedures = 497, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 109 [2024-11-08 22:52:47,002 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:52:47,002 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:52:47,002 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:52:47,002 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:52:47,013 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:46" (1/1) ... [2024-11-08 22:52:47,013 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:46" (1/1) ... [2024-11-08 22:52:47,020 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:46" (1/1) ... [2024-11-08 22:52:47,020 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:46" (1/1) ... [2024-11-08 22:52:47,028 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:46" (1/1) ... [2024-11-08 22:52:47,030 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:46" (1/1) ... [2024-11-08 22:52:47,035 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:46" (1/1) ... [2024-11-08 22:52:47,036 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:46" (1/1) ... [2024-11-08 22:52:47,043 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:52:47,044 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:52:47,044 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:52:47,044 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:52:47,045 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:46" (1/1) ... [2024-11-08 22:52:47,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:52:47,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523dac68-fdeb-40d9-b6ca-39bb216d8ca3/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:52:47,084 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523dac68-fdeb-40d9-b6ca-39bb216d8ca3/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:52:47,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523dac68-fdeb-40d9-b6ca-39bb216d8ca3/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:52:47,118 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:52:47,118 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:52:47,119 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2024-11-08 22:52:47,119 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2024-11-08 22:52:47,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:52:47,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:52:47,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:52:47,269 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:52:47,271 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:52:47,481 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2024-11-08 22:52:47,482 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:52:47,745 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:52:47,746 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:52:47,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:52:47 BoogieIcfgContainer [2024-11-08 22:52:47,746 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:52:47,747 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:52:47,748 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:52:47,758 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:52:47,758 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:52:47" (1/1) ... [2024-11-08 22:52:47,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:52:47,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:47,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 20 states and 22 transitions. [2024-11-08 22:52:47,836 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2024-11-08 22:52:47,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 22:52:47,840 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:47,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:52:48,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:52:48,152 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:52:48,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:52:48,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:52:48,460 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:52:48,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:52:48,521 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:52:48,561 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:52:48 ImpRootNode [2024-11-08 22:52:48,561 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:52:48,562 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:52:48,564 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:52:48,564 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:52:48,565 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:52:47" (3/4) ... [2024-11-08 22:52:48,568 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:52:48,569 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:52:48,571 INFO L158 Benchmark]: Toolchain (without parser) took 3011.56ms. Allocated memory was 176.2MB in the beginning and 247.5MB in the end (delta: 71.3MB). Free memory was 145.5MB in the beginning and 198.5MB in the end (delta: -53.0MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2024-11-08 22:52:48,571 INFO L158 Benchmark]: CDTParser took 9.83ms. Allocated memory is still 127.9MB. Free memory is still 101.2MB. Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:52:48,572 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1315.38ms. Allocated memory is still 176.2MB. Free memory was 146.9MB in the beginning and 140.4MB in the end (delta: 6.5MB). Peak memory consumption was 70.5MB. Max. memory is 16.1GB. [2024-11-08 22:52:48,573 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.09ms. Allocated memory is still 176.2MB. Free memory was 140.4MB in the beginning and 136.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:52:48,574 INFO L158 Benchmark]: Boogie Preprocessor took 41.15ms. Allocated memory is still 176.2MB. Free memory was 136.2MB in the beginning and 135.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:52:48,575 INFO L158 Benchmark]: RCFGBuilder took 702.65ms. Allocated memory is still 176.2MB. Free memory was 135.1MB in the beginning and 91.1MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-11-08 22:52:48,576 INFO L158 Benchmark]: CodeCheck took 814.41ms. Allocated memory was 176.2MB in the beginning and 247.5MB in the end (delta: 71.3MB). Free memory was 91.1MB in the beginning and 199.3MB in the end (delta: -108.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:52:48,577 INFO L158 Benchmark]: Witness Printer took 6.78ms. Allocated memory is still 247.5MB. Free memory was 199.3MB in the beginning and 198.5MB in the end (delta: 828.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:52:48,582 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 3 procedures, 20 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, 15 NumberOfCodeBlocks, 15 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: 1559]: 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 1568, overapproximation of bitwiseOr at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_rand_predec_11_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; [L1552] RET globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE globalReturnsTrue() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; [L1556] RET globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE globalReturnsTrue() [L1559] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 9.83ms. Allocated memory is still 127.9MB. Free memory is still 101.2MB. Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1315.38ms. Allocated memory is still 176.2MB. Free memory was 146.9MB in the beginning and 140.4MB in the end (delta: 6.5MB). Peak memory consumption was 70.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.09ms. Allocated memory is still 176.2MB. Free memory was 140.4MB in the beginning and 136.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.15ms. Allocated memory is still 176.2MB. Free memory was 136.2MB in the beginning and 135.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 702.65ms. Allocated memory is still 176.2MB. Free memory was 135.1MB in the beginning and 91.1MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * CodeCheck took 814.41ms. Allocated memory was 176.2MB in the beginning and 247.5MB in the end (delta: 71.3MB). Free memory was 91.1MB in the beginning and 199.3MB in the end (delta: -108.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.78ms. Allocated memory is still 247.5MB. Free memory was 199.3MB in the beginning and 198.5MB in the end (delta: 828.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:52:48,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523dac68-fdeb-40d9-b6ca-39bb216d8ca3/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_523dac68-fdeb-40d9-b6ca-39bb216d8ca3/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523dac68-fdeb-40d9-b6ca-39bb216d8ca3/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_523dac68-fdeb-40d9-b6ca-39bb216d8ca3/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523dac68-fdeb-40d9-b6ca-39bb216d8ca3/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_11_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523dac68-fdeb-40d9-b6ca-39bb216d8ca3/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_523dac68-fdeb-40d9-b6ca-39bb216d8ca3/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 dbe2ca349e0667d8692126dce502d970e06290e62c46f46043e6bad80040db74 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:52:50,997 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:52:51,108 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523dac68-fdeb-40d9-b6ca-39bb216d8ca3/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 22:52:51,155 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:52:51,156 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:52:51,157 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:52:51,157 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:52:51,158 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:52:51,158 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:52:51,158 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:52:51,159 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:52:51,160 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:52:51,160 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:52:51,163 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:52:51,163 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:52:51,163 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:52:51,164 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:52:51,164 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:52:51,164 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:52:51,165 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:52:51,165 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:52:51,165 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:52:51,169 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:52:51,169 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:52:51,169 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:52:51,170 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:51,170 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:52:51,170 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:52:51,170 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:52:51,171 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:52:51,171 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:52:51,171 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:52:51,171 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:52:51,171 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:51,173 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:52:51,173 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_523dac68-fdeb-40d9-b6ca-39bb216d8ca3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523dac68-fdeb-40d9-b6ca-39bb216d8ca3/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbe2ca349e0667d8692126dce502d970e06290e62c46f46043e6bad80040db74 [2024-11-08 22:52:51,557 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:52:51,582 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:52:51,585 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:52:51,587 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:52:51,587 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:52:51,589 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523dac68-fdeb-40d9-b6ca-39bb216d8ca3/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_11_bad.i Unable to find full path for "g++" [2024-11-08 22:52:53,594 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:52:53,929 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:52:53,929 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523dac68-fdeb-40d9-b6ca-39bb216d8ca3/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_11_bad.i [2024-11-08 22:52:53,961 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523dac68-fdeb-40d9-b6ca-39bb216d8ca3/bin/ukojak-verify-ImItNfHLgk/data/95a58934f/f2567dd608ee4b65a775a315357fccc6/FLAG21b8abc50 [2024-11-08 22:52:53,980 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523dac68-fdeb-40d9-b6ca-39bb216d8ca3/bin/ukojak-verify-ImItNfHLgk/data/95a58934f/f2567dd608ee4b65a775a315357fccc6 [2024-11-08 22:52:53,983 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:52:53,984 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:52:53,985 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:52:53,986 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:52:53,992 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:52:53,993 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:52:53" (1/1) ... [2024-11-08 22:52:53,994 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4065eae9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:53, skipping insertion in model container [2024-11-08 22:52:53,994 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:52:53" (1/1) ... [2024-11-08 22:52:54,062 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:52:55,003 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:52:55,020 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:52:55,156 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:52:55,370 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:52:55,370 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:55 WrapperNode [2024-11-08 22:52:55,370 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:52:55,371 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:52:55,372 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:52:55,372 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:52:55,382 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:55" (1/1) ... [2024-11-08 22:52:55,422 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:55" (1/1) ... [2024-11-08 22:52:55,445 INFO L138 Inliner]: procedures = 502, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 67 [2024-11-08 22:52:55,446 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:52:55,446 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:52:55,447 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:52:55,447 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:52:55,456 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:55" (1/1) ... [2024-11-08 22:52:55,456 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:55" (1/1) ... [2024-11-08 22:52:55,459 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:55" (1/1) ... [2024-11-08 22:52:55,463 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:55" (1/1) ... [2024-11-08 22:52:55,477 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:55" (1/1) ... [2024-11-08 22:52:55,478 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:55" (1/1) ... [2024-11-08 22:52:55,484 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:55" (1/1) ... [2024-11-08 22:52:55,489 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:55" (1/1) ... [2024-11-08 22:52:55,496 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:52:55,497 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:52:55,497 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:52:55,497 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:52:55,498 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:55" (1/1) ... [2024-11-08 22:52:55,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:52:55,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523dac68-fdeb-40d9-b6ca-39bb216d8ca3/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:52:55,536 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523dac68-fdeb-40d9-b6ca-39bb216d8ca3/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:52:55,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523dac68-fdeb-40d9-b6ca-39bb216d8ca3/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:52:55,569 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:52:55,570 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:52:55,570 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2024-11-08 22:52:55,570 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2024-11-08 22:52:55,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:52:55,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:52:55,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:52:55,749 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:52:55,751 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:52:55,907 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-08 22:52:55,907 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:52:56,005 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:52:56,006 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:52:56,006 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:52:56 BoogieIcfgContainer [2024-11-08 22:52:56,007 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:52:56,007 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:52:56,007 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:52:56,017 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:52:56,018 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:52:56" (1/1) ... [2024-11-08 22:52:56,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:52:56,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:56,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 19 states and 21 transitions. [2024-11-08 22:52:56,086 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2024-11-08 22:52:56,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 22:52:56,090 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:56,091 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:56,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523dac68-fdeb-40d9-b6ca-39bb216d8ca3/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:56,092 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523dac68-fdeb-40d9-b6ca-39bb216d8ca3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:56,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523dac68-fdeb-40d9-b6ca-39bb216d8ca3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:52:56,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:52:56,305 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:52:56,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:52:56,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:52:56,456 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:52:56,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:52:56,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523dac68-fdeb-40d9-b6ca-39bb216d8ca3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:56,514 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:52:56,550 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:52:56 ImpRootNode [2024-11-08 22:52:56,550 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:52:56,552 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:52:56,553 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:52:56,553 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:52:56,555 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:52:56" (3/4) ... [2024-11-08 22:52:56,558 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:52:56,560 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:52:56,561 INFO L158 Benchmark]: Toolchain (without parser) took 2576.68ms. Allocated memory was 75.5MB in the beginning and 102.8MB in the end (delta: 27.3MB). Free memory was 47.8MB in the beginning and 60.7MB in the end (delta: -12.9MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2024-11-08 22:52:56,562 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 75.5MB. Free memory was 51.3MB in the beginning and 51.3MB in the end (delta: 34.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:52:56,563 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1385.40ms. Allocated memory was 75.5MB in the beginning and 102.8MB in the end (delta: 27.3MB). Free memory was 47.5MB in the beginning and 73.2MB in the end (delta: -25.6MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. [2024-11-08 22:52:56,564 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.30ms. Allocated memory is still 102.8MB. Free memory was 73.2MB in the beginning and 70.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:52:56,564 INFO L158 Benchmark]: Boogie Preprocessor took 49.78ms. Allocated memory is still 102.8MB. Free memory was 70.0MB in the beginning and 68.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:52:56,566 INFO L158 Benchmark]: RCFGBuilder took 509.95ms. Allocated memory is still 102.8MB. Free memory was 67.9MB in the beginning and 49.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-08 22:52:56,566 INFO L158 Benchmark]: CodeCheck took 543.23ms. Allocated memory is still 102.8MB. Free memory was 49.1MB in the beginning and 60.7MB in the end (delta: -11.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:52:56,567 INFO L158 Benchmark]: Witness Printer took 7.53ms. Allocated memory is still 102.8MB. Free memory was 60.7MB in the beginning and 60.7MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:52:56,572 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 3 procedures, 19 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, 14 NumberOfCodeBlocks, 14 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: 1559]: 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 1568. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_rand_predec_11_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; [L1552] RET globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE globalReturnsTrue() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; [L1556] RET globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE globalReturnsTrue() [L1559] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 75.5MB. Free memory was 51.3MB in the beginning and 51.3MB in the end (delta: 34.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1385.40ms. Allocated memory was 75.5MB in the beginning and 102.8MB in the end (delta: 27.3MB). Free memory was 47.5MB in the beginning and 73.2MB in the end (delta: -25.6MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.30ms. Allocated memory is still 102.8MB. Free memory was 73.2MB in the beginning and 70.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.78ms. Allocated memory is still 102.8MB. Free memory was 70.0MB in the beginning and 68.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 509.95ms. Allocated memory is still 102.8MB. Free memory was 67.9MB in the beginning and 49.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 543.23ms. Allocated memory is still 102.8MB. Free memory was 49.1MB in the beginning and 60.7MB in the end (delta: -11.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.53ms. Allocated memory is still 102.8MB. Free memory was 60.7MB in the beginning and 60.7MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:52:56,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523dac68-fdeb-40d9-b6ca-39bb216d8ca3/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