./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_21_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_556f4565-9e10-4fb8-8d46-2845633317e2/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_556f4565-9e10-4fb8-8d46-2845633317e2/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_556f4565-9e10-4fb8-8d46-2845633317e2/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_556f4565-9e10-4fb8-8d46-2845633317e2/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_556f4565-9e10-4fb8-8d46-2845633317e2/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_556f4565-9e10-4fb8-8d46-2845633317e2/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 3190211ccc6a422364bf77d024a3541ce9a976c05c1ec92fa7bc990b6b721b52 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:38:54,901 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:38:54,986 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_556f4565-9e10-4fb8-8d46-2845633317e2/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 19:38:54,991 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:38:54,992 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 19:38:55,036 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:38:55,040 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:38:55,041 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:38:55,042 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:38:55,043 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:38:55,044 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:38:55,044 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:38:55,045 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:38:55,048 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:38:55,049 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:38:55,050 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:38:55,050 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:38:55,051 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:38:55,051 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 19:38:55,051 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:38:55,052 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:38:55,056 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:38:55,056 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:38:55,057 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:38:55,057 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:38:55,058 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:38:55,058 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:38:55,059 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:38:55,061 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:38:55,062 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:38:55,062 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 19:38:55,063 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:38:55,063 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_556f4565-9e10-4fb8-8d46-2845633317e2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_556f4565-9e10-4fb8-8d46-2845633317e2/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3190211ccc6a422364bf77d024a3541ce9a976c05c1ec92fa7bc990b6b721b52 [2024-11-08 19:38:55,363 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:38:55,389 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:38:55,393 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:38:55,395 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:38:55,396 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:38:55,397 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_556f4565-9e10-4fb8-8d46-2845633317e2/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_21_bad.i Unable to find full path for "g++" [2024-11-08 19:38:57,769 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:38:58,304 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:38:58,306 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_556f4565-9e10-4fb8-8d46-2845633317e2/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_21_bad.i [2024-11-08 19:38:58,344 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_556f4565-9e10-4fb8-8d46-2845633317e2/bin/ukojak-verify-ImItNfHLgk/data/3c31821d9/ca1aaa07d5114617889ae2fb6f27245c/FLAGb62ca3361 [2024-11-08 19:38:58,363 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_556f4565-9e10-4fb8-8d46-2845633317e2/bin/ukojak-verify-ImItNfHLgk/data/3c31821d9/ca1aaa07d5114617889ae2fb6f27245c [2024-11-08 19:38:58,367 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:38:58,369 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:38:58,371 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:38:58,371 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:38:58,378 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:38:58,379 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:38:58" (1/1) ... [2024-11-08 19:38:58,380 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a24f177 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:38:58, skipping insertion in model container [2024-11-08 19:38:58,381 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:38:58" (1/1) ... [2024-11-08 19:38:58,478 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:38:59,933 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:38:59,945 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:39:00,062 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:39:00,250 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:39:00,251 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:00 WrapperNode [2024-11-08 19:39:00,251 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:39:00,253 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:39:00,253 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:39:00,253 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:39:00,263 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:00" (1/1) ... [2024-11-08 19:39:00,293 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:00" (1/1) ... [2024-11-08 19:39:00,324 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 46 [2024-11-08 19:39:00,325 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:39:00,326 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:39:00,326 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:39:00,326 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:39:00,337 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:00" (1/1) ... [2024-11-08 19:39:00,337 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:00" (1/1) ... [2024-11-08 19:39:00,342 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:00" (1/1) ... [2024-11-08 19:39:00,343 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:00" (1/1) ... [2024-11-08 19:39:00,349 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:00" (1/1) ... [2024-11-08 19:39:00,351 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:00" (1/1) ... [2024-11-08 19:39:00,353 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:00" (1/1) ... [2024-11-08 19:39:00,355 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:00" (1/1) ... [2024-11-08 19:39:00,358 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:39:00,359 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:39:00,359 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:39:00,359 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:39:00,360 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:00" (1/1) ... [2024-11-08 19:39:00,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:39:00,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_556f4565-9e10-4fb8-8d46-2845633317e2/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:39:00,407 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_556f4565-9e10-4fb8-8d46-2845633317e2/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:39:00,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_556f4565-9e10-4fb8-8d46-2845633317e2/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:39:00,445 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 19:39:00,445 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 19:39:00,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:39:00,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:39:00,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:39:00,636 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:39:00,640 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:39:00,781 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-08 19:39:00,781 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:39:00,836 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:39:00,837 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 19:39:00,837 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:39:00 BoogieIcfgContainer [2024-11-08 19:39:00,838 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:39:00,839 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:39:00,839 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:39:00,853 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:39:00,853 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:39:00" (1/1) ... [2024-11-08 19:39:00,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:39:00,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:39:00,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 19:39:00,938 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 19:39:00,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 19:39:00,942 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:39:00,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:39:01,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:39:01,136 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:39:01,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:39:01,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:39:01,283 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:39:01,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:39:01,330 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 19:39:01,363 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 07:39:01 ImpRootNode [2024-11-08 19:39:01,363 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 19:39:01,364 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:39:01,365 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:39:01,365 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:39:01,366 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:39:00" (3/4) ... [2024-11-08 19:39:01,369 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 19:39:01,372 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:39:01,373 INFO L158 Benchmark]: Toolchain (without parser) took 3004.21ms. Allocated memory was 155.2MB in the beginning and 216.0MB in the end (delta: 60.8MB). Free memory was 117.6MB in the beginning and 133.2MB in the end (delta: -15.6MB). Peak memory consumption was 48.4MB. Max. memory is 16.1GB. [2024-11-08 19:39:01,374 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 155.2MB. Free memory is still 101.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:39:01,380 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1881.22ms. Allocated memory was 155.2MB in the beginning and 216.0MB in the end (delta: 60.8MB). Free memory was 117.2MB in the beginning and 167.8MB in the end (delta: -50.6MB). Peak memory consumption was 69.3MB. Max. memory is 16.1GB. [2024-11-08 19:39:01,381 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.50ms. Allocated memory is still 216.0MB. Free memory was 167.8MB in the beginning and 164.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:39:01,382 INFO L158 Benchmark]: Boogie Preprocessor took 32.40ms. Allocated memory is still 216.0MB. Free memory was 164.7MB in the beginning and 163.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:39:01,383 INFO L158 Benchmark]: RCFGBuilder took 479.05ms. Allocated memory is still 216.0MB. Free memory was 163.7MB in the beginning and 149.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 19:39:01,384 INFO L158 Benchmark]: CodeCheck took 524.72ms. Allocated memory is still 216.0MB. Free memory was 149.0MB in the beginning and 134.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 19:39:01,388 INFO L158 Benchmark]: Witness Printer took 7.78ms. Allocated memory is still 216.0MB. Free memory was 134.3MB in the beginning and 133.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:39:01,394 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1571. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int badStatic = 0; [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_min_postdec_21_bad() [L1562] int data; [L1563] data = 0 [L1564] data = (-0x7fffffff - 1) [L1565] badStatic = 1 [L1566] CALL badSink(data) [L1551] COND TRUE \read(badStatic) [L1554] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 155.2MB. Free memory is still 101.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1881.22ms. Allocated memory was 155.2MB in the beginning and 216.0MB in the end (delta: 60.8MB). Free memory was 117.2MB in the beginning and 167.8MB in the end (delta: -50.6MB). Peak memory consumption was 69.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.50ms. Allocated memory is still 216.0MB. Free memory was 167.8MB in the beginning and 164.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.40ms. Allocated memory is still 216.0MB. Free memory was 164.7MB in the beginning and 163.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 479.05ms. Allocated memory is still 216.0MB. Free memory was 163.7MB in the beginning and 149.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 524.72ms. Allocated memory is still 216.0MB. Free memory was 149.0MB in the beginning and 134.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 7.78ms. Allocated memory is still 216.0MB. Free memory was 134.3MB in the beginning and 133.2MB in the end (delta: 1.0MB). 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 19:39:01,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_556f4565-9e10-4fb8-8d46-2845633317e2/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_556f4565-9e10-4fb8-8d46-2845633317e2/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_556f4565-9e10-4fb8-8d46-2845633317e2/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_556f4565-9e10-4fb8-8d46-2845633317e2/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_556f4565-9e10-4fb8-8d46-2845633317e2/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_556f4565-9e10-4fb8-8d46-2845633317e2/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_556f4565-9e10-4fb8-8d46-2845633317e2/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 3190211ccc6a422364bf77d024a3541ce9a976c05c1ec92fa7bc990b6b721b52 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:39:04,424 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:39:04,521 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_556f4565-9e10-4fb8-8d46-2845633317e2/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 19:39:04,555 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:39:04,556 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:39:04,556 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:39:04,557 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:39:04,558 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:39:04,558 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:39:04,562 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:39:04,563 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:39:04,563 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:39:04,564 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:39:04,564 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:39:04,564 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 19:39:04,565 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 19:39:04,565 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:39:04,566 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 19:39:04,569 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 19:39:04,569 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:39:04,570 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:39:04,570 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:39:04,571 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:39:04,571 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:39:04,572 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:39:04,572 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:39:04,572 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 19:39:04,573 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:39:04,573 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:39:04,574 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:39:04,578 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:39:04,579 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:39:04,579 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 19:39:04,579 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:39:04,580 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 19:39:04,580 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_556f4565-9e10-4fb8-8d46-2845633317e2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_556f4565-9e10-4fb8-8d46-2845633317e2/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3190211ccc6a422364bf77d024a3541ce9a976c05c1ec92fa7bc990b6b721b52 [2024-11-08 19:39:05,034 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:39:05,068 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:39:05,073 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:39:05,076 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:39:05,076 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:39:05,078 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_556f4565-9e10-4fb8-8d46-2845633317e2/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_21_bad.i Unable to find full path for "g++" [2024-11-08 19:39:07,610 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:39:08,092 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:39:08,093 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_556f4565-9e10-4fb8-8d46-2845633317e2/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_21_bad.i [2024-11-08 19:39:08,127 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_556f4565-9e10-4fb8-8d46-2845633317e2/bin/ukojak-verify-ImItNfHLgk/data/eb1c7df7f/fa6c225e094c469ba99927269c1b1b40/FLAG80d24a901 [2024-11-08 19:39:08,196 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_556f4565-9e10-4fb8-8d46-2845633317e2/bin/ukojak-verify-ImItNfHLgk/data/eb1c7df7f/fa6c225e094c469ba99927269c1b1b40 [2024-11-08 19:39:08,199 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:39:08,201 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:39:08,202 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:39:08,203 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:39:08,209 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:39:08,210 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:39:08" (1/1) ... [2024-11-08 19:39:08,212 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6df846ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:08, skipping insertion in model container [2024-11-08 19:39:08,212 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:39:08" (1/1) ... [2024-11-08 19:39:08,308 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:39:09,869 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:39:09,884 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:39:10,097 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:39:10,275 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:39:10,275 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:10 WrapperNode [2024-11-08 19:39:10,276 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:39:10,278 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:39:10,278 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:39:10,278 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:39:10,288 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:10" (1/1) ... [2024-11-08 19:39:10,327 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:10" (1/1) ... [2024-11-08 19:39:10,355 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 46 [2024-11-08 19:39:10,356 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:39:10,357 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:39:10,357 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:39:10,358 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:39:10,371 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:10" (1/1) ... [2024-11-08 19:39:10,372 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:10" (1/1) ... [2024-11-08 19:39:10,379 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:10" (1/1) ... [2024-11-08 19:39:10,380 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:10" (1/1) ... [2024-11-08 19:39:10,398 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:10" (1/1) ... [2024-11-08 19:39:10,403 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:10" (1/1) ... [2024-11-08 19:39:10,406 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:10" (1/1) ... [2024-11-08 19:39:10,411 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:10" (1/1) ... [2024-11-08 19:39:10,419 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:39:10,424 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:39:10,424 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:39:10,424 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:39:10,425 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:10" (1/1) ... [2024-11-08 19:39:10,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:39:10,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_556f4565-9e10-4fb8-8d46-2845633317e2/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:39:10,463 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_556f4565-9e10-4fb8-8d46-2845633317e2/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:39:10,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_556f4565-9e10-4fb8-8d46-2845633317e2/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:39:10,501 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 19:39:10,501 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 19:39:10,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:39:10,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:39:10,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:39:10,731 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:39:10,734 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:39:10,948 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-08 19:39:10,949 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:39:11,038 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:39:11,040 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 19:39:11,041 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:39:11 BoogieIcfgContainer [2024-11-08 19:39:11,041 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:39:11,042 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:39:11,043 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:39:11,056 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:39:11,056 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:39:11" (1/1) ... [2024-11-08 19:39:11,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:39:11,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:39:11,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 19:39:11,165 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 19:39:11,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 19:39:11,172 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:39:11,173 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:39:11,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_556f4565-9e10-4fb8-8d46-2845633317e2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:39:11,179 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_556f4565-9e10-4fb8-8d46-2845633317e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:39:11,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_556f4565-9e10-4fb8-8d46-2845633317e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 19:39:11,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:39:11,414 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:39:11,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:39:11,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:39:11,552 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:39:11,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:39:11,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_556f4565-9e10-4fb8-8d46-2845633317e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 19:39:11,599 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 19:39:11,642 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 07:39:11 ImpRootNode [2024-11-08 19:39:11,645 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 19:39:11,645 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:39:11,646 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:39:11,648 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:39:11,648 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:39:11" (3/4) ... [2024-11-08 19:39:11,652 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 19:39:11,653 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:39:11,655 INFO L158 Benchmark]: Toolchain (without parser) took 3453.93ms. Allocated memory was 77.6MB in the beginning and 104.9MB in the end (delta: 27.3MB). Free memory was 50.4MB in the beginning and 64.9MB in the end (delta: -14.5MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2024-11-08 19:39:11,655 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 77.6MB. Free memory is still 53.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:39:11,656 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2074.55ms. Allocated memory was 77.6MB in the beginning and 104.9MB in the end (delta: 27.3MB). Free memory was 50.2MB in the beginning and 70.4MB in the end (delta: -20.2MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. [2024-11-08 19:39:11,658 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.85ms. Allocated memory is still 104.9MB. Free memory was 70.4MB in the beginning and 67.4MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:39:11,658 INFO L158 Benchmark]: Boogie Preprocessor took 65.80ms. Allocated memory is still 104.9MB. Free memory was 67.4MB in the beginning and 65.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:39:11,659 INFO L158 Benchmark]: RCFGBuilder took 617.45ms. Allocated memory is still 104.9MB. Free memory was 65.3MB in the beginning and 49.0MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 19:39:11,661 INFO L158 Benchmark]: CodeCheck took 602.75ms. Allocated memory is still 104.9MB. Free memory was 49.0MB in the beginning and 64.9MB in the end (delta: -15.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:39:11,662 INFO L158 Benchmark]: Witness Printer took 8.19ms. Allocated memory is still 104.9MB. Free memory is still 64.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:39:11,666 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1571. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int badStatic = 0; [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_min_postdec_21_bad() [L1562] int data; [L1563] data = 0 [L1564] data = (-0x7fffffff - 1) [L1565] badStatic = 1 [L1566] CALL badSink(data) [L1551] COND TRUE \read(badStatic) [L1554] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 77.6MB. Free memory is still 53.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2074.55ms. Allocated memory was 77.6MB in the beginning and 104.9MB in the end (delta: 27.3MB). Free memory was 50.2MB in the beginning and 70.4MB in the end (delta: -20.2MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.85ms. Allocated memory is still 104.9MB. Free memory was 70.4MB in the beginning and 67.4MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.80ms. Allocated memory is still 104.9MB. Free memory was 67.4MB in the beginning and 65.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 617.45ms. Allocated memory is still 104.9MB. Free memory was 65.3MB in the beginning and 49.0MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 602.75ms. Allocated memory is still 104.9MB. Free memory was 49.0MB in the beginning and 64.9MB in the end (delta: -15.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.19ms. Allocated memory is still 104.9MB. Free memory is still 64.9MB. 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 19:39:11,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_556f4565-9e10-4fb8-8d46-2845633317e2/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