./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_41_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a1e5b1-f86e-480f-bfc9-f71e3af75a8a/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a1e5b1-f86e-480f-bfc9-f71e3af75a8a/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_a7a1e5b1-f86e-480f-bfc9-f71e3af75a8a/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a1e5b1-f86e-480f-bfc9-f71e3af75a8a/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_41_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a1e5b1-f86e-480f-bfc9-f71e3af75a8a/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_a7a1e5b1-f86e-480f-bfc9-f71e3af75a8a/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 ef68728d5e688502aa4828bae5266233588124c638c20695b08fc7347b6d8789 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:32:56,473 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:32:56,543 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a1e5b1-f86e-480f-bfc9-f71e3af75a8a/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-09 00:32:56,547 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:32:56,548 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:32:56,569 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:32:56,570 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:32:56,570 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:32:56,571 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:32:56,571 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:32:56,572 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:32:56,572 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:32:56,573 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:32:56,573 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:32:56,573 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:32:56,574 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:32:56,574 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:32:56,574 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:32:56,575 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:32:56,575 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:32:56,576 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:32:56,576 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:32:56,577 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:32:56,577 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:32:56,577 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:32:56,578 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:32:56,578 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:32:56,579 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:32:56,579 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:32:56,579 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:32:56,580 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:32:56,580 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:32:56,580 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_a7a1e5b1-f86e-480f-bfc9-f71e3af75a8a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a1e5b1-f86e-480f-bfc9-f71e3af75a8a/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef68728d5e688502aa4828bae5266233588124c638c20695b08fc7347b6d8789 [2024-11-09 00:32:56,893 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:32:56,923 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:32:56,926 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:32:56,928 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:32:56,928 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:32:56,930 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a1e5b1-f86e-480f-bfc9-f71e3af75a8a/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_41_bad.i Unable to find full path for "g++" [2024-11-09 00:32:59,077 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:32:59,482 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:32:59,483 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a1e5b1-f86e-480f-bfc9-f71e3af75a8a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_41_bad.i [2024-11-09 00:32:59,508 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a1e5b1-f86e-480f-bfc9-f71e3af75a8a/bin/ukojak-verify-ImItNfHLgk/data/2b666aa98/71b589239e254ec7968a2443fc2e16f0/FLAG3fde3eb1b [2024-11-09 00:32:59,533 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a1e5b1-f86e-480f-bfc9-f71e3af75a8a/bin/ukojak-verify-ImItNfHLgk/data/2b666aa98/71b589239e254ec7968a2443fc2e16f0 [2024-11-09 00:32:59,536 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:32:59,538 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:32:59,542 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:32:59,542 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:32:59,547 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:32:59,548 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:32:59" (1/1) ... [2024-11-09 00:32:59,550 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@256268 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:32:59, skipping insertion in model container [2024-11-09 00:32:59,552 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:32:59" (1/1) ... [2024-11-09 00:32:59,627 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:33:00,794 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:33:00,806 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:33:00,924 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:33:01,134 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:33:01,135 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:33:01 WrapperNode [2024-11-09 00:33:01,135 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:33:01,136 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:33:01,137 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:33:01,137 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:33:01,145 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:33:01" (1/1) ... [2024-11-09 00:33:01,176 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:33:01" (1/1) ... [2024-11-09 00:33:01,211 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 47 [2024-11-09 00:33:01,211 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:33:01,212 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:33:01,212 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:33:01,213 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:33:01,222 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:33:01" (1/1) ... [2024-11-09 00:33:01,223 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:33:01" (1/1) ... [2024-11-09 00:33:01,225 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:33:01" (1/1) ... [2024-11-09 00:33:01,225 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:33:01" (1/1) ... [2024-11-09 00:33:01,233 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:33:01" (1/1) ... [2024-11-09 00:33:01,239 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:33:01" (1/1) ... [2024-11-09 00:33:01,240 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:33:01" (1/1) ... [2024-11-09 00:33:01,245 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:33:01" (1/1) ... [2024-11-09 00:33:01,247 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:33:01,248 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:33:01,252 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:33:01,252 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:33:01,253 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:33:01" (1/1) ... [2024-11-09 00:33:01,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:33:01,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a1e5b1-f86e-480f-bfc9-f71e3af75a8a/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:33:01,301 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a1e5b1-f86e-480f-bfc9-f71e3af75a8a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:33:01,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a1e5b1-f86e-480f-bfc9-f71e3af75a8a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:33:01,338 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:33:01,339 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:33:01,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:33:01,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:33:01,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:33:01,537 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:33:01,539 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:33:01,685 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-09 00:33:01,685 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:33:01,751 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:33:01,751 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:33:01,752 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:33:01 BoogieIcfgContainer [2024-11-09 00:33:01,752 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:33:01,753 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:33:01,753 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:33:01,767 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:33:01,767 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:33:01" (1/1) ... [2024-11-09 00:33:01,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:33:01,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:01,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-09 00:33:01,830 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-09 00:33:01,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:33:01,835 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:01,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:33:01,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:33:01,998 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:33:02,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:33:02,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:33:02,083 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:33:02,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:33:02,120 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:33:02,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:33:02 ImpRootNode [2024-11-09 00:33:02,156 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:33:02,157 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:33:02,158 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:33:02,163 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:33:02,164 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:33:01" (3/4) ... [2024-11-09 00:33:02,167 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:33:02,168 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:33:02,171 INFO L158 Benchmark]: Toolchain (without parser) took 2632.40ms. Allocated memory was 132.1MB in the beginning and 178.3MB in the end (delta: 46.1MB). Free memory was 96.3MB in the beginning and 143.4MB in the end (delta: -47.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:33:02,173 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 132.1MB. Free memory was 101.4MB in the beginning and 101.2MB in the end (delta: 153.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:33:02,173 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1594.06ms. Allocated memory is still 132.1MB. Free memory was 95.8MB in the beginning and 75.2MB in the end (delta: 20.7MB). Peak memory consumption was 51.3MB. Max. memory is 16.1GB. [2024-11-09 00:33:02,176 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.15ms. Allocated memory is still 132.1MB. Free memory was 75.2MB in the beginning and 72.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:33:02,176 INFO L158 Benchmark]: Boogie Preprocessor took 35.45ms. Allocated memory is still 132.1MB. Free memory was 72.3MB in the beginning and 71.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:33:02,177 INFO L158 Benchmark]: RCFGBuilder took 504.08ms. Allocated memory is still 132.1MB. Free memory was 71.1MB in the beginning and 57.0MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 00:33:02,177 INFO L158 Benchmark]: CodeCheck took 403.43ms. Allocated memory was 132.1MB in the beginning and 178.3MB in the end (delta: 46.1MB). Free memory was 57.0MB in the beginning and 143.4MB in the end (delta: -86.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:33:02,178 INFO L158 Benchmark]: Witness Printer took 12.02ms. Allocated memory is still 178.3MB. Free memory is still 143.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:33:02,185 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1551]: 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 1566. 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); [L1566] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_fscanf_postdec_41_bad() [L1558] int data; [L1559] data = 0 [L1561] CALL badSink(data) [L1551] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 132.1MB. Free memory was 101.4MB in the beginning and 101.2MB in the end (delta: 153.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1594.06ms. Allocated memory is still 132.1MB. Free memory was 95.8MB in the beginning and 75.2MB in the end (delta: 20.7MB). Peak memory consumption was 51.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.15ms. Allocated memory is still 132.1MB. Free memory was 75.2MB in the beginning and 72.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.45ms. Allocated memory is still 132.1MB. Free memory was 72.3MB in the beginning and 71.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 504.08ms. Allocated memory is still 132.1MB. Free memory was 71.1MB in the beginning and 57.0MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 403.43ms. Allocated memory was 132.1MB in the beginning and 178.3MB in the end (delta: 46.1MB). Free memory was 57.0MB in the beginning and 143.4MB in the end (delta: -86.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 12.02ms. Allocated memory is still 178.3MB. Free memory is still 143.4MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:33:02,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a1e5b1-f86e-480f-bfc9-f71e3af75a8a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a1e5b1-f86e-480f-bfc9-f71e3af75a8a/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a1e5b1-f86e-480f-bfc9-f71e3af75a8a/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_a7a1e5b1-f86e-480f-bfc9-f71e3af75a8a/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a1e5b1-f86e-480f-bfc9-f71e3af75a8a/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_41_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a1e5b1-f86e-480f-bfc9-f71e3af75a8a/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_a7a1e5b1-f86e-480f-bfc9-f71e3af75a8a/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 ef68728d5e688502aa4828bae5266233588124c638c20695b08fc7347b6d8789 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:33:04,695 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:33:04,805 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a1e5b1-f86e-480f-bfc9-f71e3af75a8a/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-09 00:33:04,851 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:33:04,854 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:33:04,855 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:33:04,856 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:33:04,856 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:33:04,857 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:33:04,858 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:33:04,858 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:33:04,859 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:33:04,859 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:33:04,859 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:33:04,860 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:33:04,860 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:33:04,861 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:33:04,861 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:33:04,861 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:33:04,862 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:33:04,862 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:33:04,866 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:33:04,867 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:33:04,867 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:33:04,868 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:33:04,868 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:33:04,868 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:33:04,869 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:33:04,869 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:33:04,871 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:33:04,872 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:33:04,872 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:33:04,872 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:33:04,872 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:33:04,873 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:33:04,873 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_a7a1e5b1-f86e-480f-bfc9-f71e3af75a8a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a1e5b1-f86e-480f-bfc9-f71e3af75a8a/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef68728d5e688502aa4828bae5266233588124c638c20695b08fc7347b6d8789 [2024-11-09 00:33:05,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:33:05,286 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:33:05,290 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:33:05,292 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:33:05,293 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:33:05,294 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a1e5b1-f86e-480f-bfc9-f71e3af75a8a/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_41_bad.i Unable to find full path for "g++" [2024-11-09 00:33:07,269 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:33:07,706 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:33:07,707 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a1e5b1-f86e-480f-bfc9-f71e3af75a8a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_41_bad.i [2024-11-09 00:33:07,741 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a1e5b1-f86e-480f-bfc9-f71e3af75a8a/bin/ukojak-verify-ImItNfHLgk/data/ffa2bed94/7c953a0e58ed4ff18c964725ed775b63/FLAG1ed1676a6 [2024-11-09 00:33:07,846 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a1e5b1-f86e-480f-bfc9-f71e3af75a8a/bin/ukojak-verify-ImItNfHLgk/data/ffa2bed94/7c953a0e58ed4ff18c964725ed775b63 [2024-11-09 00:33:07,849 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:33:07,851 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:33:07,854 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:33:07,854 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:33:07,860 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:33:07,861 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:33:07" (1/1) ... [2024-11-09 00:33:07,862 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46b4cc36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:33:07, skipping insertion in model container [2024-11-09 00:33:07,862 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:33:07" (1/1) ... [2024-11-09 00:33:07,946 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:33:09,062 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:33:09,074 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:33:09,165 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:33:09,331 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:33:09,332 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:33:09 WrapperNode [2024-11-09 00:33:09,332 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:33:09,333 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:33:09,334 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:33:09,334 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:33:09,342 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:33:09" (1/1) ... [2024-11-09 00:33:09,386 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:33:09" (1/1) ... [2024-11-09 00:33:09,414 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 46 [2024-11-09 00:33:09,415 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:33:09,416 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:33:09,416 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:33:09,416 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:33:09,426 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:33:09" (1/1) ... [2024-11-09 00:33:09,426 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:33:09" (1/1) ... [2024-11-09 00:33:09,429 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:33:09" (1/1) ... [2024-11-09 00:33:09,430 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:33:09" (1/1) ... [2024-11-09 00:33:09,444 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:33:09" (1/1) ... [2024-11-09 00:33:09,445 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:33:09" (1/1) ... [2024-11-09 00:33:09,453 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:33:09" (1/1) ... [2024-11-09 00:33:09,454 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:33:09" (1/1) ... [2024-11-09 00:33:09,461 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:33:09,462 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:33:09,462 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:33:09,462 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:33:09,466 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:33:09" (1/1) ... [2024-11-09 00:33:09,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:33:09,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a1e5b1-f86e-480f-bfc9-f71e3af75a8a/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:33:09,504 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a1e5b1-f86e-480f-bfc9-f71e3af75a8a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:33:09,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a1e5b1-f86e-480f-bfc9-f71e3af75a8a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:33:09,540 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:33:09,542 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:33:09,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:33:09,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:33:09,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:33:09,733 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:33:09,736 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:33:09,922 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-09 00:33:09,922 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:33:09,996 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:33:09,997 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:33:09,997 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:33:09 BoogieIcfgContainer [2024-11-09 00:33:09,997 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:33:09,998 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:33:09,998 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:33:10,009 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:33:10,009 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:33:09" (1/1) ... [2024-11-09 00:33:10,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:33:10,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:10,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-09 00:33:10,087 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-09 00:33:10,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:33:10,094 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:10,095 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:33:10,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a1e5b1-f86e-480f-bfc9-f71e3af75a8a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:33:10,098 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a1e5b1-f86e-480f-bfc9-f71e3af75a8a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:33:10,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a1e5b1-f86e-480f-bfc9-f71e3af75a8a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:33:10,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:33:10,286 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:33:10,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:33:10,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:33:10,399 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:33:10,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:33:10,439 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a1e5b1-f86e-480f-bfc9-f71e3af75a8a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-09 00:33:10,441 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:33:10,475 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:33:10 ImpRootNode [2024-11-09 00:33:10,475 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:33:10,476 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:33:10,476 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:33:10,476 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:33:10,476 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:33:09" (3/4) ... [2024-11-09 00:33:10,481 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:33:10,482 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:33:10,483 INFO L158 Benchmark]: Toolchain (without parser) took 2631.99ms. Allocated memory is still 96.5MB. Free memory was 68.9MB in the beginning and 49.3MB in the end (delta: 19.6MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2024-11-09 00:33:10,484 INFO L158 Benchmark]: CDTParser took 0.82ms. Allocated memory is still 67.1MB. Free memory is still 43.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:33:10,485 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1478.81ms. Allocated memory is still 96.5MB. Free memory was 68.9MB in the beginning and 56.6MB in the end (delta: 12.3MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. [2024-11-09 00:33:10,486 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.84ms. Allocated memory is still 96.5MB. Free memory was 56.6MB in the beginning and 53.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:33:10,487 INFO L158 Benchmark]: Boogie Preprocessor took 45.16ms. Allocated memory is still 96.5MB. Free memory was 53.6MB in the beginning and 51.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:33:10,487 INFO L158 Benchmark]: RCFGBuilder took 535.91ms. Allocated memory is still 96.5MB. Free memory was 51.6MB in the beginning and 62.9MB in the end (delta: -11.3MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2024-11-09 00:33:10,489 INFO L158 Benchmark]: CodeCheck took 477.00ms. Allocated memory is still 96.5MB. Free memory was 62.9MB in the beginning and 49.7MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:33:10,490 INFO L158 Benchmark]: Witness Printer took 6.96ms. Allocated memory is still 96.5MB. Free memory was 49.7MB in the beginning and 49.3MB in the end (delta: 438.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:33:10,494 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1551]: 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 1566. 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); [L1566] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_fscanf_postdec_41_bad() [L1558] int data; [L1559] data = 0 [L1561] CALL badSink(data) [L1551] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.82ms. Allocated memory is still 67.1MB. Free memory is still 43.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1478.81ms. Allocated memory is still 96.5MB. Free memory was 68.9MB in the beginning and 56.6MB in the end (delta: 12.3MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.84ms. Allocated memory is still 96.5MB. Free memory was 56.6MB in the beginning and 53.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.16ms. Allocated memory is still 96.5MB. Free memory was 53.6MB in the beginning and 51.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 535.91ms. Allocated memory is still 96.5MB. Free memory was 51.6MB in the beginning and 62.9MB in the end (delta: -11.3MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. * CodeCheck took 477.00ms. Allocated memory is still 96.5MB. Free memory was 62.9MB in the beginning and 49.7MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 6.96ms. Allocated memory is still 96.5MB. Free memory was 49.7MB in the beginning and 49.3MB in the end (delta: 438.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:33:10,536 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a1e5b1-f86e-480f-bfc9-f71e3af75a8a/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