./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_07_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_24d6d8b4-811e-40a7-bc79-c32e26231f7c/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d6d8b4-811e-40a7-bc79-c32e26231f7c/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_24d6d8b4-811e-40a7-bc79-c32e26231f7c/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d6d8b4-811e-40a7-bc79-c32e26231f7c/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_07_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d6d8b4-811e-40a7-bc79-c32e26231f7c/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_24d6d8b4-811e-40a7-bc79-c32e26231f7c/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 3568b16a81f397e99135b20dc468a26987ea2fc03698d991b2e3b913887c32c0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:13:37,565 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:13:37,673 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d6d8b4-811e-40a7-bc79-c32e26231f7c/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 23:13:37,680 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:13:37,683 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:13:37,723 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:13:37,724 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:13:37,724 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:13:37,725 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:13:37,727 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:13:37,727 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:13:37,728 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:13:37,728 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:13:37,728 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:13:37,731 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:13:37,733 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:13:37,733 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:13:37,733 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:13:37,734 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:13:37,734 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:13:37,734 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:13:37,735 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:13:37,739 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:13:37,739 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:13:37,739 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:13:37,740 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:13:37,753 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:13:37,753 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:13:37,754 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:13:37,754 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:13:37,754 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:13:37,755 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:13:37,755 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_24d6d8b4-811e-40a7-bc79-c32e26231f7c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d6d8b4-811e-40a7-bc79-c32e26231f7c/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3568b16a81f397e99135b20dc468a26987ea2fc03698d991b2e3b913887c32c0 [2024-11-08 23:13:38,072 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:13:38,110 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:13:38,113 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:13:38,116 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:13:38,117 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:13:38,118 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d6d8b4-811e-40a7-bc79-c32e26231f7c/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_07_bad.i Unable to find full path for "g++" [2024-11-08 23:13:40,367 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:13:40,833 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:13:40,834 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d6d8b4-811e-40a7-bc79-c32e26231f7c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_07_bad.i [2024-11-08 23:13:40,867 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d6d8b4-811e-40a7-bc79-c32e26231f7c/bin/ukojak-verify-ImItNfHLgk/data/ed931cfcc/9864d2b7c7c34225a524832cf7e15643/FLAGecd86e230 [2024-11-08 23:13:40,888 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d6d8b4-811e-40a7-bc79-c32e26231f7c/bin/ukojak-verify-ImItNfHLgk/data/ed931cfcc/9864d2b7c7c34225a524832cf7e15643 [2024-11-08 23:13:40,895 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:13:40,899 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:13:40,901 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:13:40,901 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:13:40,908 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:13:40,909 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:13:40" (1/1) ... [2024-11-08 23:13:40,910 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76354022 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:13:40, skipping insertion in model container [2024-11-08 23:13:40,910 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:13:40" (1/1) ... [2024-11-08 23:13:40,999 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:13:42,146 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:13:42,160 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:13:42,281 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:13:42,554 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:13:42,555 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:13:42 WrapperNode [2024-11-08 23:13:42,555 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:13:42,556 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:13:42,557 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:13:42,558 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:13:42,566 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:13:42" (1/1) ... [2024-11-08 23:13:42,594 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:13:42" (1/1) ... [2024-11-08 23:13:42,621 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 48 [2024-11-08 23:13:42,621 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:13:42,622 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:13:42,622 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:13:42,622 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:13:42,634 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:13:42" (1/1) ... [2024-11-08 23:13:42,634 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:13:42" (1/1) ... [2024-11-08 23:13:42,636 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:13:42" (1/1) ... [2024-11-08 23:13:42,637 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:13:42" (1/1) ... [2024-11-08 23:13:42,648 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:13:42" (1/1) ... [2024-11-08 23:13:42,650 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:13:42" (1/1) ... [2024-11-08 23:13:42,655 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:13:42" (1/1) ... [2024-11-08 23:13:42,656 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:13:42" (1/1) ... [2024-11-08 23:13:42,661 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:13:42,662 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:13:42,662 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:13:42,662 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:13:42,664 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:13:42" (1/1) ... [2024-11-08 23:13:42,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:13:42,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d6d8b4-811e-40a7-bc79-c32e26231f7c/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:13:42,712 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d6d8b4-811e-40a7-bc79-c32e26231f7c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:13:42,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d6d8b4-811e-40a7-bc79-c32e26231f7c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:13:42,759 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:13:42,759 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:13:42,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:13:42,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:13:42,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:13:43,005 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:13:43,008 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:13:43,190 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-08 23:13:43,190 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:13:43,286 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:13:43,286 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:13:43,287 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:13:43 BoogieIcfgContainer [2024-11-08 23:13:43,287 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:13:43,289 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:13:43,290 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:13:43,303 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:13:43,304 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:13:43" (1/1) ... [2024-11-08 23:13:43,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:13:43,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:13:43,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 23:13:43,386 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 23:13:43,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:13:43,391 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:13:43,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:13:43,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:13:43,566 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:13:43,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:13:43,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:13:43,689 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:13:43,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:13:43,730 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:13:43,772 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:13:43 ImpRootNode [2024-11-08 23:13:43,774 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:13:43,775 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:13:43,778 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:13:43,779 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:13:43,780 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:13:43" (3/4) ... [2024-11-08 23:13:43,784 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:13:43,786 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:13:43,788 INFO L158 Benchmark]: Toolchain (without parser) took 2890.60ms. Allocated memory was 142.6MB in the beginning and 207.6MB in the end (delta: 65.0MB). Free memory was 106.2MB in the beginning and 126.0MB in the end (delta: -19.8MB). Peak memory consumption was 45.7MB. Max. memory is 16.1GB. [2024-11-08 23:13:43,789 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 142.6MB. Free memory is still 111.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:13:43,790 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1654.70ms. Allocated memory was 142.6MB in the beginning and 207.6MB in the end (delta: 65.0MB). Free memory was 105.7MB in the beginning and 161.7MB in the end (delta: -55.9MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. [2024-11-08 23:13:43,791 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.13ms. Allocated memory is still 207.6MB. Free memory was 161.7MB in the beginning and 159.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:13:43,792 INFO L158 Benchmark]: Boogie Preprocessor took 39.33ms. Allocated memory is still 207.6MB. Free memory was 159.6MB in the beginning and 157.4MB in the end (delta: 2.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:13:43,794 INFO L158 Benchmark]: RCFGBuilder took 625.61ms. Allocated memory is still 207.6MB. Free memory was 157.4MB in the beginning and 142.8MB in the end (delta: 14.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:13:43,795 INFO L158 Benchmark]: CodeCheck took 485.21ms. Allocated memory is still 207.6MB. Free memory was 142.8MB in the beginning and 127.1MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 23:13:43,796 INFO L158 Benchmark]: Witness Printer took 11.51ms. Allocated memory is still 207.6MB. Free memory was 127.1MB in the beginning and 126.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:13:43,801 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: 0.4s, 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: 1560]: 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 1569. 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 staticFive = 5; [L1569] 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, staticFive=5] [L1414] COND TRUE line != ((void *)0) [L1569] 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, staticFive=5] [L1570] CALL CWE191_Integer_Underflow__int_fscanf_postdec_07_bad() [L1551] int data; [L1552] data = 0 [L1553] COND TRUE staticFive==5 [L1557] COND TRUE staticFive==5 [L1560] 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, staticFive=5] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 142.6MB. Free memory is still 111.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1654.70ms. Allocated memory was 142.6MB in the beginning and 207.6MB in the end (delta: 65.0MB). Free memory was 105.7MB in the beginning and 161.7MB in the end (delta: -55.9MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.13ms. Allocated memory is still 207.6MB. Free memory was 161.7MB in the beginning and 159.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.33ms. Allocated memory is still 207.6MB. Free memory was 159.6MB in the beginning and 157.4MB in the end (delta: 2.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 625.61ms. Allocated memory is still 207.6MB. Free memory was 157.4MB in the beginning and 142.8MB in the end (delta: 14.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 485.21ms. Allocated memory is still 207.6MB. Free memory was 142.8MB in the beginning and 127.1MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 11.51ms. Allocated memory is still 207.6MB. Free memory was 127.1MB in the beginning and 126.0MB 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 23:13:43,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d6d8b4-811e-40a7-bc79-c32e26231f7c/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_24d6d8b4-811e-40a7-bc79-c32e26231f7c/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d6d8b4-811e-40a7-bc79-c32e26231f7c/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_24d6d8b4-811e-40a7-bc79-c32e26231f7c/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d6d8b4-811e-40a7-bc79-c32e26231f7c/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_07_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d6d8b4-811e-40a7-bc79-c32e26231f7c/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_24d6d8b4-811e-40a7-bc79-c32e26231f7c/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 3568b16a81f397e99135b20dc468a26987ea2fc03698d991b2e3b913887c32c0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:13:46,562 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:13:46,672 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d6d8b4-811e-40a7-bc79-c32e26231f7c/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 23:13:46,739 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:13:46,740 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:13:46,740 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:13:46,743 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:13:46,744 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:13:46,744 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:13:46,745 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:13:46,745 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:13:46,746 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:13:46,747 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:13:46,750 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:13:46,751 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:13:46,752 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:13:46,752 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:13:46,753 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:13:46,753 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:13:46,754 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:13:46,758 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:13:46,758 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:13:46,759 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:13:46,759 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:13:46,760 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:13:46,760 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:13:46,760 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:13:46,761 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:13:46,761 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:13:46,763 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:13:46,764 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:13:46,764 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:13:46,765 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:13:46,766 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:13:46,766 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:13:46,767 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_24d6d8b4-811e-40a7-bc79-c32e26231f7c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d6d8b4-811e-40a7-bc79-c32e26231f7c/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3568b16a81f397e99135b20dc468a26987ea2fc03698d991b2e3b913887c32c0 [2024-11-08 23:13:47,222 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:13:47,258 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:13:47,261 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:13:47,264 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:13:47,265 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:13:47,267 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d6d8b4-811e-40a7-bc79-c32e26231f7c/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_07_bad.i Unable to find full path for "g++" [2024-11-08 23:13:49,574 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:13:50,041 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:13:50,042 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d6d8b4-811e-40a7-bc79-c32e26231f7c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_07_bad.i [2024-11-08 23:13:50,077 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d6d8b4-811e-40a7-bc79-c32e26231f7c/bin/ukojak-verify-ImItNfHLgk/data/b41d73af0/678ca77842a44dcc9fea353bef958a76/FLAGadad454b8 [2024-11-08 23:13:50,101 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d6d8b4-811e-40a7-bc79-c32e26231f7c/bin/ukojak-verify-ImItNfHLgk/data/b41d73af0/678ca77842a44dcc9fea353bef958a76 [2024-11-08 23:13:50,106 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:13:50,109 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:13:50,110 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:13:50,111 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:13:50,119 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:13:50,122 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:13:50" (1/1) ... [2024-11-08 23:13:50,123 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ad793a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:13:50, skipping insertion in model container [2024-11-08 23:13:50,124 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:13:50" (1/1) ... [2024-11-08 23:13:50,218 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:13:51,330 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:13:51,347 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:13:51,482 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:13:51,632 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:13:51,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:13:51 WrapperNode [2024-11-08 23:13:51,633 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:13:51,634 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:13:51,634 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:13:51,634 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:13:51,644 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:13:51" (1/1) ... [2024-11-08 23:13:51,676 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:13:51" (1/1) ... [2024-11-08 23:13:51,702 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 47 [2024-11-08 23:13:51,703 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:13:51,704 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:13:51,704 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:13:51,704 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:13:51,716 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:13:51" (1/1) ... [2024-11-08 23:13:51,716 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:13:51" (1/1) ... [2024-11-08 23:13:51,720 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:13:51" (1/1) ... [2024-11-08 23:13:51,720 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:13:51" (1/1) ... [2024-11-08 23:13:51,728 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:13:51" (1/1) ... [2024-11-08 23:13:51,735 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:13:51" (1/1) ... [2024-11-08 23:13:51,740 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:13:51" (1/1) ... [2024-11-08 23:13:51,742 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:13:51" (1/1) ... [2024-11-08 23:13:51,746 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:13:51,747 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:13:51,748 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:13:51,748 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:13:51,749 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:13:51" (1/1) ... [2024-11-08 23:13:51,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:13:51,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d6d8b4-811e-40a7-bc79-c32e26231f7c/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:13:51,802 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d6d8b4-811e-40a7-bc79-c32e26231f7c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:13:51,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d6d8b4-811e-40a7-bc79-c32e26231f7c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:13:51,833 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:13:51,833 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:13:51,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:13:51,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:13:51,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:13:52,053 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:13:52,056 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:13:52,268 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-08 23:13:52,268 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:13:52,372 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:13:52,372 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:13:52,373 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:13:52 BoogieIcfgContainer [2024-11-08 23:13:52,373 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:13:52,374 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:13:52,374 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:13:52,387 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:13:52,387 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:13:52" (1/1) ... [2024-11-08 23:13:52,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:13:52,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:13:52,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 23:13:52,481 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 23:13:52,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:13:52,487 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:13:52,488 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:13:52,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d6d8b4-811e-40a7-bc79-c32e26231f7c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:13:52,493 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d6d8b4-811e-40a7-bc79-c32e26231f7c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:13:52,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d6d8b4-811e-40a7-bc79-c32e26231f7c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:13:52,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:13:52,722 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:13:52,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:13:52,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:13:52,882 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:13:52,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:13:52,937 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d6d8b4-811e-40a7-bc79-c32e26231f7c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 23:13:52,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d6d8b4-811e-40a7-bc79-c32e26231f7c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:13:52,947 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:13:52,992 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:13:52 ImpRootNode [2024-11-08 23:13:52,992 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:13:52,994 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:13:52,994 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:13:52,994 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:13:52,995 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:13:52" (3/4) ... [2024-11-08 23:13:53,000 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:13:53,001 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:13:53,003 INFO L158 Benchmark]: Toolchain (without parser) took 2893.72ms. Allocated memory was 62.9MB in the beginning and 86.0MB in the end (delta: 23.1MB). Free memory was 31.3MB in the beginning and 35.2MB in the end (delta: -3.9MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2024-11-08 23:13:53,004 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 62.9MB. Free memory was 39.4MB in the beginning and 39.3MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:13:53,006 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1522.70ms. Allocated memory was 62.9MB in the beginning and 86.0MB in the end (delta: 23.1MB). Free memory was 31.1MB in the beginning and 47.4MB in the end (delta: -16.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-08 23:13:53,007 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.11ms. Allocated memory is still 86.0MB. Free memory was 47.0MB in the beginning and 44.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:13:53,008 INFO L158 Benchmark]: Boogie Preprocessor took 42.95ms. Allocated memory is still 86.0MB. Free memory was 44.1MB in the beginning and 42.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:13:53,009 INFO L158 Benchmark]: RCFGBuilder took 625.74ms. Allocated memory is still 86.0MB. Free memory was 42.1MB in the beginning and 49.4MB in the end (delta: -7.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:13:53,010 INFO L158 Benchmark]: CodeCheck took 618.14ms. Allocated memory is still 86.0MB. Free memory was 49.4MB in the beginning and 35.6MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:13:53,010 INFO L158 Benchmark]: Witness Printer took 7.59ms. Allocated memory is still 86.0MB. Free memory is still 35.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:13:53,016 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: 1560]: 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 1569. 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 staticFive = 5; [L1569] 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, staticFive=5] [L1414] COND TRUE line != ((void *)0) [L1569] 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, staticFive=5] [L1570] CALL CWE191_Integer_Underflow__int_fscanf_postdec_07_bad() [L1551] int data; [L1552] data = 0 [L1553] COND TRUE staticFive==5 [L1557] COND TRUE staticFive==5 [L1560] 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, staticFive=5] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 62.9MB. Free memory was 39.4MB in the beginning and 39.3MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1522.70ms. Allocated memory was 62.9MB in the beginning and 86.0MB in the end (delta: 23.1MB). Free memory was 31.1MB in the beginning and 47.4MB in the end (delta: -16.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.11ms. Allocated memory is still 86.0MB. Free memory was 47.0MB in the beginning and 44.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.95ms. Allocated memory is still 86.0MB. Free memory was 44.1MB in the beginning and 42.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 625.74ms. Allocated memory is still 86.0MB. Free memory was 42.1MB in the beginning and 49.4MB in the end (delta: -7.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 618.14ms. Allocated memory is still 86.0MB. Free memory was 49.4MB in the beginning and 35.6MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 7.59ms. Allocated memory is still 86.0MB. Free memory is still 35.2MB. 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 23:13:53,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d6d8b4-811e-40a7-bc79-c32e26231f7c/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