./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_65_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_c009f922-6418-4ebd-9531-deabef258dcc/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c009f922-6418-4ebd-9531-deabef258dcc/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c009f922-6418-4ebd-9531-deabef258dcc/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c009f922-6418-4ebd-9531-deabef258dcc/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c009f922-6418-4ebd-9531-deabef258dcc/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c009f922-6418-4ebd-9531-deabef258dcc/bin/ukojak-verify-afCqCEvfdi --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 3ff6d73fd25a59e779213e6557c88adb5d4c384045830dee132d6ebfcbe33df2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:19:10,564 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:19:10,692 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c009f922-6418-4ebd-9531-deabef258dcc/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 22:19:10,696 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:19:10,697 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:19:10,732 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:19:10,735 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:19:10,736 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:19:10,737 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:19:10,742 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:19:10,743 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:19:10,744 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:19:10,744 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:19:10,746 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:19:10,747 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:19:10,747 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:19:10,748 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:19:10,748 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:19:10,748 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:19:10,749 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:19:10,749 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:19:10,750 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:19:10,751 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:19:10,751 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:19:10,752 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:19:10,752 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:19:10,753 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:19:10,753 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:19:10,753 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:19:10,754 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:19:10,755 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:19:10,756 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:19:10,756 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_c009f922-6418-4ebd-9531-deabef258dcc/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c009f922-6418-4ebd-9531-deabef258dcc/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ff6d73fd25a59e779213e6557c88adb5d4c384045830dee132d6ebfcbe33df2 [2023-11-24 22:19:11,108 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:19:11,146 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:19:11,149 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:19:11,150 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:19:11,151 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:19:11,152 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c009f922-6418-4ebd-9531-deabef258dcc/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_65_bad.i [2023-11-24 22:19:14,172 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:19:14,588 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:19:14,589 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c009f922-6418-4ebd-9531-deabef258dcc/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_65_bad.i [2023-11-24 22:19:14,621 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c009f922-6418-4ebd-9531-deabef258dcc/bin/ukojak-verify-afCqCEvfdi/data/05d703492/beaa96ecd08c46d7ad765cf4c93d41e2/FLAG5ef79f99d [2023-11-24 22:19:14,641 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c009f922-6418-4ebd-9531-deabef258dcc/bin/ukojak-verify-afCqCEvfdi/data/05d703492/beaa96ecd08c46d7ad765cf4c93d41e2 [2023-11-24 22:19:14,647 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:19:14,649 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:19:14,654 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:19:14,654 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:19:14,660 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:19:14,661 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:19:14" (1/1) ... [2023-11-24 22:19:14,662 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dd14c14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:14, skipping insertion in model container [2023-11-24 22:19:14,663 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:19:14" (1/1) ... [2023-11-24 22:19:14,753 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:19:15,821 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:19:15,839 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:19:15,993 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:19:16,234 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:19:16,235 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:19:16,235 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:19:16,235 WARN L675 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:19:16,235 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:19:16,244 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:19:16,245 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:16 WrapperNode [2023-11-24 22:19:16,245 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:19:16,247 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:19:16,247 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:19:16,247 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:19:16,256 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:16" (1/1) ... [2023-11-24 22:19:16,311 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:16" (1/1) ... [2023-11-24 22:19:16,350 INFO L138 Inliner]: procedures = 500, calls = 62, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 56 [2023-11-24 22:19:16,351 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:19:16,352 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:19:16,352 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:19:16,352 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:19:16,366 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:16" (1/1) ... [2023-11-24 22:19:16,366 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:16" (1/1) ... [2023-11-24 22:19:16,370 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:16" (1/1) ... [2023-11-24 22:19:16,370 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:16" (1/1) ... [2023-11-24 22:19:16,377 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:16" (1/1) ... [2023-11-24 22:19:16,379 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:16" (1/1) ... [2023-11-24 22:19:16,381 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:16" (1/1) ... [2023-11-24 22:19:16,383 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:16" (1/1) ... [2023-11-24 22:19:16,386 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:19:16,387 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:19:16,387 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:19:16,387 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:19:16,388 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:16" (1/1) ... [2023-11-24 22:19:16,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:19:16,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c009f922-6418-4ebd-9531-deabef258dcc/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:19:16,426 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c009f922-6418-4ebd-9531-deabef258dcc/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:19:16,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c009f922-6418-4ebd-9531-deabef258dcc/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:19:16,472 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:19:16,473 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:19:16,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:19:16,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:19:16,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:19:16,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:19:16,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:19:16,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:19:16,475 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:19:16,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:19:16,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:19:16,641 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:19:16,643 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:19:16,779 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:19:16,834 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:19:16,837 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:19:16,838 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:19:16 BoogieIcfgContainer [2023-11-24 22:19:16,839 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:19:16,840 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:19:16,840 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:19:16,850 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:19:16,851 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:19:16" (1/1) ... [2023-11-24 22:19:16,859 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:19:16,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:16,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-24 22:19:16,918 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-24 22:19:16,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:19:16,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:16,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:17,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:19:17,173 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:19:17,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:19:17,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:19:17,394 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:19:17,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:19:17,431 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:19:17,454 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet103 [2023-11-24 22:19:17,460 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:19:17 ImpRootNode [2023-11-24 22:19:17,460 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:19:17,461 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:19:17,461 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:19:17,462 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:19:17,463 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:19:16" (3/4) ... [2023-11-24 22:19:17,466 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:19:17,467 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:19:17,468 INFO L158 Benchmark]: Toolchain (without parser) took 2819.07ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 99.6MB in the beginning and 130.8MB in the end (delta: -31.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:19:17,469 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 113.2MB. Free memory is still 85.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:19:17,470 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1591.76ms. Allocated memory is still 138.4MB. Free memory was 99.6MB in the beginning and 80.6MB in the end (delta: 19.0MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-11-24 22:19:17,471 INFO L158 Benchmark]: Boogie Procedure Inliner took 104.72ms. Allocated memory is still 138.4MB. Free memory was 80.6MB in the beginning and 77.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:19:17,471 INFO L158 Benchmark]: Boogie Preprocessor took 34.34ms. Allocated memory is still 138.4MB. Free memory was 77.6MB in the beginning and 75.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:19:17,472 INFO L158 Benchmark]: RCFGBuilder took 451.85ms. Allocated memory is still 138.4MB. Free memory was 75.6MB in the beginning and 60.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:19:17,473 INFO L158 Benchmark]: CodeCheck took 620.95ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 60.9MB in the beginning and 130.8MB in the end (delta: -69.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:19:17,473 INFO L158 Benchmark]: Witness Printer took 6.18ms. Allocated memory is still 167.8MB. Free memory is still 130.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:19:17,477 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: 0.6s, 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: 1568]: 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 1560. 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); [L1560] CALL 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, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1560] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=16, argc=16, argv={14:13}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] CALL CWE191_Integer_Underflow__int_fscanf_predec_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE191_Integer_Underflow__int_fscanf_predec_65b_badSink; [L1553] data = 0 [L1555] EXPR \read(data) [L1555] CALL funcPtr(data) [L1568] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, data=-2147483648, 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 0.31ms. Allocated memory is still 113.2MB. Free memory is still 85.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1591.76ms. Allocated memory is still 138.4MB. Free memory was 99.6MB in the beginning and 80.6MB in the end (delta: 19.0MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 104.72ms. Allocated memory is still 138.4MB. Free memory was 80.6MB in the beginning and 77.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.34ms. Allocated memory is still 138.4MB. Free memory was 77.6MB in the beginning and 75.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 451.85ms. Allocated memory is still 138.4MB. Free memory was 75.6MB in the beginning and 60.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 620.95ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 60.9MB in the beginning and 130.8MB in the end (delta: -69.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.18ms. Allocated memory is still 167.8MB. Free memory is still 130.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet103 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 22:19:17,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c009f922-6418-4ebd-9531-deabef258dcc/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c009f922-6418-4ebd-9531-deabef258dcc/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c009f922-6418-4ebd-9531-deabef258dcc/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c009f922-6418-4ebd-9531-deabef258dcc/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c009f922-6418-4ebd-9531-deabef258dcc/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c009f922-6418-4ebd-9531-deabef258dcc/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c009f922-6418-4ebd-9531-deabef258dcc/bin/ukojak-verify-afCqCEvfdi --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 3ff6d73fd25a59e779213e6557c88adb5d4c384045830dee132d6ebfcbe33df2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:19:20,345 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:19:20,467 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c009f922-6418-4ebd-9531-deabef258dcc/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 22:19:20,497 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:19:20,498 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:19:20,498 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:19:20,500 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:19:20,500 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:19:20,501 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:19:20,502 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:19:20,502 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:19:20,503 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:19:20,503 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:19:20,504 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:19:20,505 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:19:20,505 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:19:20,506 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:19:20,507 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:19:20,507 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:19:20,508 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:19:20,508 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:19:20,509 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:19:20,510 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:19:20,510 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:19:20,511 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:19:20,511 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:19:20,512 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:19:20,512 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:19:20,513 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:19:20,513 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:19:20,514 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:19:20,514 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:19:20,515 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:19:20,515 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:19:20,515 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:19:20,516 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:19:20,516 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_c009f922-6418-4ebd-9531-deabef258dcc/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c009f922-6418-4ebd-9531-deabef258dcc/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ff6d73fd25a59e779213e6557c88adb5d4c384045830dee132d6ebfcbe33df2 [2023-11-24 22:19:20,912 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:19:20,947 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:19:20,950 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:19:20,952 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:19:20,953 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:19:20,954 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c009f922-6418-4ebd-9531-deabef258dcc/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_65_bad.i [2023-11-24 22:19:24,109 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:19:24,550 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:19:24,550 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c009f922-6418-4ebd-9531-deabef258dcc/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_65_bad.i [2023-11-24 22:19:24,576 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c009f922-6418-4ebd-9531-deabef258dcc/bin/ukojak-verify-afCqCEvfdi/data/94ce2dce3/9df05513fcf24a89b8b8fe917a1640a4/FLAGb45132ded [2023-11-24 22:19:24,591 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c009f922-6418-4ebd-9531-deabef258dcc/bin/ukojak-verify-afCqCEvfdi/data/94ce2dce3/9df05513fcf24a89b8b8fe917a1640a4 [2023-11-24 22:19:24,594 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:19:24,595 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:19:24,597 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:19:24,597 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:19:24,602 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:19:24,603 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:19:24" (1/1) ... [2023-11-24 22:19:24,605 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79e9a89c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:24, skipping insertion in model container [2023-11-24 22:19:24,605 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:19:24" (1/1) ... [2023-11-24 22:19:24,690 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:19:25,705 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:19:25,725 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:19:25,856 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:19:26,100 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:19:26,100 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:19:26,101 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:19:26,101 WARN L675 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:19:26,101 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:19:26,109 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:19:26,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:26 WrapperNode [2023-11-24 22:19:26,110 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:19:26,112 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:19:26,112 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:19:26,112 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:19:26,120 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:26" (1/1) ... [2023-11-24 22:19:26,176 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:26" (1/1) ... [2023-11-24 22:19:26,217 INFO L138 Inliner]: procedures = 505, calls = 62, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 55 [2023-11-24 22:19:26,217 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:19:26,219 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:19:26,219 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:19:26,219 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:19:26,229 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:26" (1/1) ... [2023-11-24 22:19:26,230 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:26" (1/1) ... [2023-11-24 22:19:26,238 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:26" (1/1) ... [2023-11-24 22:19:26,238 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:26" (1/1) ... [2023-11-24 22:19:26,256 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:26" (1/1) ... [2023-11-24 22:19:26,258 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:26" (1/1) ... [2023-11-24 22:19:26,261 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:26" (1/1) ... [2023-11-24 22:19:26,263 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:26" (1/1) ... [2023-11-24 22:19:26,276 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:19:26,279 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:19:26,280 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:19:26,281 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:19:26,282 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:26" (1/1) ... [2023-11-24 22:19:26,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:19:26,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c009f922-6418-4ebd-9531-deabef258dcc/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:19:26,319 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c009f922-6418-4ebd-9531-deabef258dcc/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:19:26,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c009f922-6418-4ebd-9531-deabef258dcc/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:19:26,364 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:19:26,364 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:19:26,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:19:26,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:19:26,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:19:26,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:19:26,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:19:26,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 22:19:26,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:19:26,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 22:19:26,367 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:19:26,540 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:19:26,542 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:19:26,802 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:19:26,887 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:19:26,888 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:19:26,890 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:19:26 BoogieIcfgContainer [2023-11-24 22:19:26,891 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:19:26,892 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:19:26,892 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:19:26,904 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:19:26,904 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:19:26" (1/1) ... [2023-11-24 22:19:26,916 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:19:26,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:26,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-24 22:19:26,995 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-24 22:19:27,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:19:27,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:27,002 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:19:27,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c009f922-6418-4ebd-9531-deabef258dcc/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:19:27,007 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c009f922-6418-4ebd-9531-deabef258dcc/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:19:27,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c009f922-6418-4ebd-9531-deabef258dcc/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 22:19:27,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:19:27,285 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:19:27,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:19:27,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:19:27,495 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:19:27,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:19:27,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c009f922-6418-4ebd-9531-deabef258dcc/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 22:19:27,599 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:19:27,629 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet101 [2023-11-24 22:19:27,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:19:27 ImpRootNode [2023-11-24 22:19:27,636 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:19:27,638 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:19:27,638 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:19:27,638 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:19:27,639 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:19:26" (3/4) ... [2023-11-24 22:19:27,641 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:19:27,642 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:19:27,644 INFO L158 Benchmark]: Toolchain (without parser) took 3047.86ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 42.9MB in the beginning and 31.7MB in the end (delta: 11.1MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2023-11-24 22:19:27,644 INFO L158 Benchmark]: CDTParser took 0.75ms. Allocated memory is still 65.0MB. Free memory was 41.0MB in the beginning and 41.0MB in the end (delta: 42.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:19:27,646 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1513.58ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 42.7MB in the beginning and 50.8MB in the end (delta: -8.2MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2023-11-24 22:19:27,647 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.06ms. Allocated memory is still 83.9MB. Free memory was 50.8MB in the beginning and 47.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:19:27,647 INFO L158 Benchmark]: Boogie Preprocessor took 60.08ms. Allocated memory is still 83.9MB. Free memory was 47.6MB in the beginning and 45.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:19:27,649 INFO L158 Benchmark]: RCFGBuilder took 611.51ms. Allocated memory is still 83.9MB. Free memory was 45.5MB in the beginning and 50.2MB in the end (delta: -4.7MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2023-11-24 22:19:27,650 INFO L158 Benchmark]: CodeCheck took 743.99ms. Allocated memory is still 83.9MB. Free memory was 49.9MB in the beginning and 32.2MB in the end (delta: 17.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-24 22:19:27,650 INFO L158 Benchmark]: Witness Printer took 4.95ms. Allocated memory is still 83.9MB. Free memory was 32.2MB in the beginning and 31.7MB in the end (delta: 449.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:19:27,663 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: 0.7s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s 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: 1568]: 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 1560. 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); [L1560] CALL 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, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1560] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=0, argc=0, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] CALL CWE191_Integer_Underflow__int_fscanf_predec_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE191_Integer_Underflow__int_fscanf_predec_65b_badSink; [L1553] data = 0 [L1555] EXPR \read(data) [L1555] CALL funcPtr(data) [L1568] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, data=-2147483648, 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 0.75ms. Allocated memory is still 65.0MB. Free memory was 41.0MB in the beginning and 41.0MB in the end (delta: 42.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1513.58ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 42.7MB in the beginning and 50.8MB in the end (delta: -8.2MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.06ms. Allocated memory is still 83.9MB. Free memory was 50.8MB in the beginning and 47.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.08ms. Allocated memory is still 83.9MB. Free memory was 47.6MB in the beginning and 45.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 611.51ms. Allocated memory is still 83.9MB. Free memory was 45.5MB in the beginning and 50.2MB in the end (delta: -4.7MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * CodeCheck took 743.99ms. Allocated memory is still 83.9MB. Free memory was 49.9MB in the beginning and 32.2MB in the end (delta: 17.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 4.95ms. Allocated memory is still 83.9MB. Free memory was 32.2MB in the beginning and 31.7MB in the end (delta: 449.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet101 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 22:19:27,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c009f922-6418-4ebd-9531-deabef258dcc/bin/ukojak-verify-afCqCEvfdi/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