./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_51_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c9bf1b-2c91-42da-a716-dc5083ff7a39/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c9bf1b-2c91-42da-a716-dc5083ff7a39/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c9bf1b-2c91-42da-a716-dc5083ff7a39/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c9bf1b-2c91-42da-a716-dc5083ff7a39/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c9bf1b-2c91-42da-a716-dc5083ff7a39/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c9bf1b-2c91-42da-a716-dc5083ff7a39/bin/ukojak-verify-CZk0znPC7b --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 fcef6dc9969520864ff3eb237f503bd49786ed83e05593d88361b4eab4a4eb5b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:28:58,744 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:28:58,799 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c9bf1b-2c91-42da-a716-dc5083ff7a39/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 02:28:58,803 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:28:58,803 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:28:58,822 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:28:58,823 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:28:58,823 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:28:58,823 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:28:58,824 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:28:58,824 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:28:58,824 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:28:58,824 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:28:58,824 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:28:58,824 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:28:58,824 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:28:58,824 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:28:58,825 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 02:28:58,825 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 02:28:58,825 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:28:58,825 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:28:58,825 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:28:58,825 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:28:58,825 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:28:58,825 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:28:58,825 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:28:58,825 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:28:58,825 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:28:58,825 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:28:58,826 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:28:58,826 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:28:58,826 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:28:58,826 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_c1c9bf1b-2c91-42da-a716-dc5083ff7a39/bin/ukojak-verify-CZk0znPC7b 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 -> fcef6dc9969520864ff3eb237f503bd49786ed83e05593d88361b4eab4a4eb5b [2024-12-06 02:28:59,026 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:28:59,034 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:28:59,035 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:28:59,037 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:28:59,037 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:28:59,038 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c9bf1b-2c91-42da-a716-dc5083ff7a39/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_51_bad.i [2024-12-06 02:29:01,660 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c9bf1b-2c91-42da-a716-dc5083ff7a39/bin/ukojak-verify-CZk0znPC7b/data/1449220d6/476d0e6429aa4b798a78869de0a92428/FLAG42bbc4cd3 [2024-12-06 02:29:01,968 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:29:01,968 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c9bf1b-2c91-42da-a716-dc5083ff7a39/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_51_bad.i [2024-12-06 02:29:01,990 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c9bf1b-2c91-42da-a716-dc5083ff7a39/bin/ukojak-verify-CZk0znPC7b/data/1449220d6/476d0e6429aa4b798a78869de0a92428/FLAG42bbc4cd3 [2024-12-06 02:29:02,004 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c9bf1b-2c91-42da-a716-dc5083ff7a39/bin/ukojak-verify-CZk0znPC7b/data/1449220d6/476d0e6429aa4b798a78869de0a92428 [2024-12-06 02:29:02,006 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:29:02,007 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:29:02,009 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:29:02,009 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:29:02,013 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:29:02,014 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:29:02" (1/1) ... [2024-12-06 02:29:02,014 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14db0a81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:29:02, skipping insertion in model container [2024-12-06 02:29:02,015 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:29:02" (1/1) ... [2024-12-06 02:29:02,060 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:29:02,703 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:29:02,712 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:29:02,790 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:29:02,881 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:29:02,882 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:29:02 WrapperNode [2024-12-06 02:29:02,882 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:29:02,883 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:29:02,883 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:29:02,883 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:29:02,889 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:29:02" (1/1) ... [2024-12-06 02:29:02,907 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:29:02" (1/1) ... [2024-12-06 02:29:02,924 INFO L138 Inliner]: procedures = 499, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 63 [2024-12-06 02:29:02,925 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:29:02,925 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:29:02,925 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:29:02,925 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:29:02,931 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:29:02" (1/1) ... [2024-12-06 02:29:02,931 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:29:02" (1/1) ... [2024-12-06 02:29:02,933 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:29:02" (1/1) ... [2024-12-06 02:29:02,934 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:29:02" (1/1) ... [2024-12-06 02:29:02,938 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:29:02" (1/1) ... [2024-12-06 02:29:02,939 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:29:02" (1/1) ... [2024-12-06 02:29:02,941 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:29:02" (1/1) ... [2024-12-06 02:29:02,942 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:29:02" (1/1) ... [2024-12-06 02:29:02,943 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:29:02" (1/1) ... [2024-12-06 02:29:02,945 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:29:02,945 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:29:02,946 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:29:02,946 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:29:02,947 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:29:02" (1/1) ... [2024-12-06 02:29:02,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:29:02,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c9bf1b-2c91-42da-a716-dc5083ff7a39/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:29:02,973 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c9bf1b-2c91-42da-a716-dc5083ff7a39/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:29:02,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c9bf1b-2c91-42da-a716-dc5083ff7a39/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:29:02,997 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 02:29:02,998 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 02:29:02,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:29:02,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:29:02,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:29:02,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 02:29:03,103 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:29:03,105 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:29:03,196 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-12-06 02:29:03,196 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:29:03,227 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:29:03,227 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 02:29:03,227 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:29:03 BoogieIcfgContainer [2024-12-06 02:29:03,228 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:29:03,228 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:29:03,228 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:29:03,237 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:29:03,237 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:29:03" (1/1) ... [2024-12-06 02:29:03,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:29:03,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:29:03,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-12-06 02:29:03,284 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-12-06 02:29:03,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 02:29:03,287 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:29:03,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:29:03,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:29:03,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:29:03,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:29:03,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-12-06 02:29:03,611 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-12-06 02:29:03,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 02:29:03,611 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:29:03,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:29:03,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:29:03,638 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:29:03,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:29:03,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:29:03,708 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:29:03,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:29:03,737 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-06 02:29:03,760 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 02:29:03 ImpRootNode [2024-12-06 02:29:03,760 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 02:29:03,761 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 02:29:03,761 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 02:29:03,761 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 02:29:03,762 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:29:03" (3/4) ... [2024-12-06 02:29:03,764 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 02:29:03,765 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 02:29:03,766 INFO L158 Benchmark]: Toolchain (without parser) took 1758.34ms. Allocated memory is still 142.6MB. Free memory was 113.9MB in the beginning and 59.8MB in the end (delta: 54.1MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. [2024-12-06 02:29:03,766 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:29:03,766 INFO L158 Benchmark]: CACSL2BoogieTranslator took 873.73ms. Allocated memory is still 142.6MB. Free memory was 113.9MB in the beginning and 112.2MB in the end (delta: 1.8MB). Peak memory consumption was 74.9MB. Max. memory is 16.1GB. [2024-12-06 02:29:03,767 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.98ms. Allocated memory is still 142.6MB. Free memory was 112.2MB in the beginning and 109.5MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:29:03,767 INFO L158 Benchmark]: Boogie Preprocessor took 19.59ms. Allocated memory is still 142.6MB. Free memory was 109.5MB in the beginning and 108.9MB in the end (delta: 658.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:29:03,767 INFO L158 Benchmark]: RCFGBuilder took 282.12ms. Allocated memory is still 142.6MB. Free memory was 108.9MB in the beginning and 94.9MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 02:29:03,768 INFO L158 Benchmark]: CodeCheck took 532.40ms. Allocated memory is still 142.6MB. Free memory was 94.9MB in the beginning and 59.8MB in the end (delta: 35.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 02:29:03,768 INFO L158 Benchmark]: Witness Printer took 3.81ms. Allocated memory is still 142.6MB. Free memory is still 59.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:29:03,770 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, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 9 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 4 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, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1577]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1557, overapproximation of fgets at line 1555. 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); [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [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] [L1570] CALL CWE190_Integer_Overflow__int_fgets_postinc_51_bad() [L1551] int data; [L1552] data = 0 [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1557] data = atoi(inputBuffer) [L1564] CALL CWE190_Integer_Overflow__int_fgets_postinc_51b_badSink(data) [L1577] 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 0.26ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 873.73ms. Allocated memory is still 142.6MB. Free memory was 113.9MB in the beginning and 112.2MB in the end (delta: 1.8MB). Peak memory consumption was 74.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.98ms. Allocated memory is still 142.6MB. Free memory was 112.2MB in the beginning and 109.5MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.59ms. Allocated memory is still 142.6MB. Free memory was 109.5MB in the beginning and 108.9MB in the end (delta: 658.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 282.12ms. Allocated memory is still 142.6MB. Free memory was 108.9MB in the beginning and 94.9MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 532.40ms. Allocated memory is still 142.6MB. Free memory was 94.9MB in the beginning and 59.8MB in the end (delta: 35.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 3.81ms. Allocated memory is still 142.6MB. Free memory is still 59.8MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 02:29:03,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c9bf1b-2c91-42da-a716-dc5083ff7a39/bin/ukojak-verify-CZk0znPC7b/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c9bf1b-2c91-42da-a716-dc5083ff7a39/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c9bf1b-2c91-42da-a716-dc5083ff7a39/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c9bf1b-2c91-42da-a716-dc5083ff7a39/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c9bf1b-2c91-42da-a716-dc5083ff7a39/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c9bf1b-2c91-42da-a716-dc5083ff7a39/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c9bf1b-2c91-42da-a716-dc5083ff7a39/bin/ukojak-verify-CZk0znPC7b --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 fcef6dc9969520864ff3eb237f503bd49786ed83e05593d88361b4eab4a4eb5b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:29:05,721 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:29:05,797 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c9bf1b-2c91-42da-a716-dc5083ff7a39/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 02:29:05,823 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:29:05,824 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:29:05,824 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:29:05,824 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:29:05,824 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:29:05,825 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:29:05,825 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:29:05,825 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:29:05,825 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:29:05,825 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:29:05,825 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:29:05,825 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 02:29:05,825 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 02:29:05,825 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 02:29:05,825 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 02:29:05,826 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 02:29:05,826 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:29:05,826 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:29:05,826 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:29:05,826 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:29:05,826 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:29:05,826 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:29:05,826 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:29:05,826 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 02:29:05,826 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:29:05,826 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:29:05,826 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:29:05,827 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:29:05,827 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:29:05,827 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 02:29:05,827 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:29:05,827 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 02:29:05,827 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_c1c9bf1b-2c91-42da-a716-dc5083ff7a39/bin/ukojak-verify-CZk0znPC7b 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 -> fcef6dc9969520864ff3eb237f503bd49786ed83e05593d88361b4eab4a4eb5b [2024-12-06 02:29:06,068 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:29:06,076 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:29:06,078 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:29:06,080 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:29:06,080 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:29:06,081 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c9bf1b-2c91-42da-a716-dc5083ff7a39/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_51_bad.i [2024-12-06 02:29:08,701 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c9bf1b-2c91-42da-a716-dc5083ff7a39/bin/ukojak-verify-CZk0znPC7b/data/b631486e7/2825fe41d76349eeb65608c2a203c8c0/FLAG5702bc581 [2024-12-06 02:29:08,994 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:29:08,995 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c9bf1b-2c91-42da-a716-dc5083ff7a39/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_51_bad.i [2024-12-06 02:29:09,013 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c9bf1b-2c91-42da-a716-dc5083ff7a39/bin/ukojak-verify-CZk0znPC7b/data/b631486e7/2825fe41d76349eeb65608c2a203c8c0/FLAG5702bc581 [2024-12-06 02:29:09,265 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c9bf1b-2c91-42da-a716-dc5083ff7a39/bin/ukojak-verify-CZk0znPC7b/data/b631486e7/2825fe41d76349eeb65608c2a203c8c0 [2024-12-06 02:29:09,267 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:29:09,268 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:29:09,269 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:29:09,269 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:29:09,272 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:29:09,273 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:29:09" (1/1) ... [2024-12-06 02:29:09,274 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ef0f055 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:29:09, skipping insertion in model container [2024-12-06 02:29:09,274 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:29:09" (1/1) ... [2024-12-06 02:29:09,306 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:29:09,895 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:29:09,905 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:29:09,997 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:29:10,109 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:29:10,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:29:10 WrapperNode [2024-12-06 02:29:10,110 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:29:10,111 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:29:10,111 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:29:10,111 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:29:10,117 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:29:10" (1/1) ... [2024-12-06 02:29:10,135 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:29:10" (1/1) ... [2024-12-06 02:29:10,152 INFO L138 Inliner]: procedures = 504, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 62 [2024-12-06 02:29:10,152 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:29:10,152 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:29:10,152 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:29:10,153 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:29:10,159 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:29:10" (1/1) ... [2024-12-06 02:29:10,159 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:29:10" (1/1) ... [2024-12-06 02:29:10,162 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:29:10" (1/1) ... [2024-12-06 02:29:10,163 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:29:10" (1/1) ... [2024-12-06 02:29:10,169 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:29:10" (1/1) ... [2024-12-06 02:29:10,170 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:29:10" (1/1) ... [2024-12-06 02:29:10,172 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:29:10" (1/1) ... [2024-12-06 02:29:10,174 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:29:10" (1/1) ... [2024-12-06 02:29:10,175 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:29:10" (1/1) ... [2024-12-06 02:29:10,178 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:29:10,178 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:29:10,178 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:29:10,179 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:29:10,179 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:29:10" (1/1) ... [2024-12-06 02:29:10,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:29:10,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c9bf1b-2c91-42da-a716-dc5083ff7a39/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:29:10,204 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c9bf1b-2c91-42da-a716-dc5083ff7a39/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:29:10,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c9bf1b-2c91-42da-a716-dc5083ff7a39/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:29:10,232 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 02:29:10,232 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 02:29:10,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 02:29:10,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:29:10,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:29:10,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:29:10,365 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:29:10,366 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:29:10,473 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-12-06 02:29:10,473 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:29:10,507 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:29:10,507 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 02:29:10,507 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:29:10 BoogieIcfgContainer [2024-12-06 02:29:10,507 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:29:10,508 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:29:10,508 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:29:10,517 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:29:10,518 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:29:10" (1/1) ... [2024-12-06 02:29:10,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:29:10,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:29:10,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-12-06 02:29:10,560 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-12-06 02:29:10,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 02:29:10,563 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:29:10,563 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:29:10,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c9bf1b-2c91-42da-a716-dc5083ff7a39/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:29:10,566 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c9bf1b-2c91-42da-a716-dc5083ff7a39/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:29:10,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c9bf1b-2c91-42da-a716-dc5083ff7a39/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 02:29:10,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:29:10,686 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:29:10,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:29:10,731 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 02:29:10,733 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:29:10,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:29:10,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c9bf1b-2c91-42da-a716-dc5083ff7a39/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 02:29:10,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:29:10,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-12-06 02:29:10,773 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-12-06 02:29:10,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 02:29:10,773 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:29:10,773 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:29:10,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c9bf1b-2c91-42da-a716-dc5083ff7a39/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:29:10,776 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c9bf1b-2c91-42da-a716-dc5083ff7a39/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:29:10,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c9bf1b-2c91-42da-a716-dc5083ff7a39/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 02:29:10,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:29:10,915 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:29:10,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:29:11,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:29:11,028 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:29:11,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:29:11,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c9bf1b-2c91-42da-a716-dc5083ff7a39/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 02:29:11,056 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-06 02:29:11,079 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 02:29:11 ImpRootNode [2024-12-06 02:29:11,079 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 02:29:11,080 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 02:29:11,080 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 02:29:11,080 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 02:29:11,080 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:29:10" (3/4) ... [2024-12-06 02:29:11,083 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 02:29:11,083 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 02:29:11,084 INFO L158 Benchmark]: Toolchain (without parser) took 1816.48ms. Allocated memory is still 92.3MB. Free memory was 66.0MB in the beginning and 42.9MB in the end (delta: 23.1MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2024-12-06 02:29:11,085 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:29:11,085 INFO L158 Benchmark]: CACSL2BoogieTranslator took 841.43ms. Allocated memory is still 92.3MB. Free memory was 65.8MB in the beginning and 62.2MB in the end (delta: 3.6MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. [2024-12-06 02:29:11,085 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.07ms. Allocated memory is still 92.3MB. Free memory was 62.2MB in the beginning and 59.5MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:29:11,086 INFO L158 Benchmark]: Boogie Preprocessor took 25.40ms. Allocated memory is still 92.3MB. Free memory was 59.5MB in the beginning and 57.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:29:11,086 INFO L158 Benchmark]: RCFGBuilder took 329.10ms. Allocated memory is still 92.3MB. Free memory was 57.8MB in the beginning and 41.8MB in the end (delta: 15.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:29:11,087 INFO L158 Benchmark]: CodeCheck took 570.94ms. Allocated memory is still 92.3MB. Free memory was 41.8MB in the beginning and 43.4MB in the end (delta: -1.6MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. [2024-12-06 02:29:11,087 INFO L158 Benchmark]: Witness Printer took 4.01ms. Allocated memory is still 92.3MB. Free memory was 43.4MB in the beginning and 42.9MB in the end (delta: 528.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:29:11,089 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, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 11 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 58 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, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 51 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1577]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1557, overapproximation of fgets at line 1555. 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); [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [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] [L1570] CALL CWE190_Integer_Overflow__int_fgets_postinc_51_bad() [L1551] int data; [L1552] data = 0 [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1557] data = atoi(inputBuffer) [L1564] CALL CWE190_Integer_Overflow__int_fgets_postinc_51b_badSink(data) [L1577] 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 0.28ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 841.43ms. Allocated memory is still 92.3MB. Free memory was 65.8MB in the beginning and 62.2MB in the end (delta: 3.6MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.07ms. Allocated memory is still 92.3MB. Free memory was 62.2MB in the beginning and 59.5MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.40ms. Allocated memory is still 92.3MB. Free memory was 59.5MB in the beginning and 57.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 329.10ms. Allocated memory is still 92.3MB. Free memory was 57.8MB in the beginning and 41.8MB in the end (delta: 15.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 570.94ms. Allocated memory is still 92.3MB. Free memory was 41.8MB in the beginning and 43.4MB in the end (delta: -1.6MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. * Witness Printer took 4.01ms. Allocated memory is still 92.3MB. Free memory was 43.4MB in the beginning and 42.9MB in the end (delta: 528.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 02:29:11,107 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c9bf1b-2c91-42da-a716-dc5083ff7a39/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample