./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_17_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_cf61ec79-86f6-4d01-8ccd-a2558739f2a9/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf61ec79-86f6-4d01-8ccd-a2558739f2a9/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf61ec79-86f6-4d01-8ccd-a2558739f2a9/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf61ec79-86f6-4d01-8ccd-a2558739f2a9/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_17_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf61ec79-86f6-4d01-8ccd-a2558739f2a9/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf61ec79-86f6-4d01-8ccd-a2558739f2a9/bin/ukojak-verify-Qdu7aM0XO9 --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 6603f2f4bd6d1f50aa67c1d5cd4c218f5c0ed680e7da752342ca31bb3f0b3423 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:41:38,757 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:41:38,824 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf61ec79-86f6-4d01-8ccd-a2558739f2a9/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 02:41:38,828 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:41:38,829 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:41:38,852 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:41:38,853 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:41:38,853 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:41:38,854 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:41:38,854 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:41:38,855 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:41:38,856 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:41:38,856 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:41:38,857 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:41:38,857 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:41:38,858 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:41:38,858 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:41:38,859 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 02:41:38,859 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 02:41:38,860 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:41:38,860 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:41:38,861 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:41:38,862 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:41:38,862 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:41:38,863 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:41:38,863 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:41:38,864 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:41:38,864 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:41:38,865 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:41:38,865 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:41:38,866 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:41:38,866 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:41:38,867 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_cf61ec79-86f6-4d01-8ccd-a2558739f2a9/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf61ec79-86f6-4d01-8ccd-a2558739f2a9/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6603f2f4bd6d1f50aa67c1d5cd4c218f5c0ed680e7da752342ca31bb3f0b3423 [2023-12-03 02:41:39,073 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:41:39,093 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:41:39,096 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:41:39,097 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:41:39,098 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:41:39,099 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf61ec79-86f6-4d01-8ccd-a2558739f2a9/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_17_bad.i [2023-12-03 02:41:41,845 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:41:42,176 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:41:42,177 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf61ec79-86f6-4d01-8ccd-a2558739f2a9/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_17_bad.i [2023-12-03 02:41:42,201 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf61ec79-86f6-4d01-8ccd-a2558739f2a9/bin/ukojak-verify-Qdu7aM0XO9/data/da09ad5fd/985501bc7c2d4e56935b3b06e60465f6/FLAGfd56d046e [2023-12-03 02:41:42,214 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf61ec79-86f6-4d01-8ccd-a2558739f2a9/bin/ukojak-verify-Qdu7aM0XO9/data/da09ad5fd/985501bc7c2d4e56935b3b06e60465f6 [2023-12-03 02:41:42,216 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:41:42,217 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:41:42,218 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:41:42,219 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:41:42,222 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:41:42,223 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:41:42" (1/1) ... [2023-12-03 02:41:42,224 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41fd3c60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:42, skipping insertion in model container [2023-12-03 02:41:42,224 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:41:42" (1/1) ... [2023-12-03 02:41:42,291 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:41:43,015 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:41:43,026 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:41:43,103 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:41:43,241 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:41:43,241 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:41:43,241 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:41:43,242 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:41:43,250 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:41:43,250 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:43 WrapperNode [2023-12-03 02:41:43,250 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:41:43,251 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:41:43,252 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:41:43,252 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:41:43,259 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:43" (1/1) ... [2023-12-03 02:41:43,282 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:43" (1/1) ... [2023-12-03 02:41:43,306 INFO L138 Inliner]: procedures = 498, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2023-12-03 02:41:43,306 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:41:43,306 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:41:43,307 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:41:43,307 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:41:43,314 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:43" (1/1) ... [2023-12-03 02:41:43,314 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:43" (1/1) ... [2023-12-03 02:41:43,317 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:43" (1/1) ... [2023-12-03 02:41:43,318 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:43" (1/1) ... [2023-12-03 02:41:43,324 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:43" (1/1) ... [2023-12-03 02:41:43,327 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:43" (1/1) ... [2023-12-03 02:41:43,329 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:43" (1/1) ... [2023-12-03 02:41:43,331 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:43" (1/1) ... [2023-12-03 02:41:43,334 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:41:43,335 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:41:43,335 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:41:43,335 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:41:43,336 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:43" (1/1) ... [2023-12-03 02:41:43,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:41:43,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf61ec79-86f6-4d01-8ccd-a2558739f2a9/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:41:43,370 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf61ec79-86f6-4d01-8ccd-a2558739f2a9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:41:43,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf61ec79-86f6-4d01-8ccd-a2558739f2a9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:41:43,413 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 02:41:43,413 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 02:41:43,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:41:43,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 02:41:43,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:41:43,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:41:43,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:41:43,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:41:43,415 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 02:41:43,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 02:41:43,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:41:43,566 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:41:43,568 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:41:43,681 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:41:43,748 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:41:43,748 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-03 02:41:43,750 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:41:43 BoogieIcfgContainer [2023-12-03 02:41:43,750 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:41:43,752 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:41:43,753 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:41:43,771 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:41:43,774 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:41:43" (1/1) ... [2023-12-03 02:41:43,784 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:41:43,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:41:43,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2023-12-03 02:41:43,840 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2023-12-03 02:41:43,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 02:41:43,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:41:43,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:41:43,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:44,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:41:44,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:41:44,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 24 states and 27 transitions. [2023-12-03 02:41:44,211 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2023-12-03 02:41:44,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 02:41:44,211 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:41:44,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:41:44,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:44,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:41:44,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:41:44,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 25 states and 28 transitions. [2023-12-03 02:41:44,335 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2023-12-03 02:41:44,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:41:44,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:41:44,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:41:44,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:44,447 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:41:44,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:41:44,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2023-12-03 02:41:44,492 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2023-12-03 02:41:44,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 02:41:44,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:41:44,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:41:44,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:41:44,516 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:41:44,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:41:44,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:41:44,593 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:41:44,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:41:44,626 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2023-12-03 02:41:44,650 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet106 [2023-12-03 02:41:44,654 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated [2023-12-03 02:41:44,655 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post103 could not be translated [2023-12-03 02:41:44,659 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 02:41:44 ImpRootNode [2023-12-03 02:41:44,659 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 02:41:44,660 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 02:41:44,660 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 02:41:44,660 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 02:41:44,661 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:41:43" (3/4) ... [2023-12-03 02:41:44,663 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 02:41:44,664 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 02:41:44,665 INFO L158 Benchmark]: Toolchain (without parser) took 2447.16ms. Allocated memory is still 209.7MB. Free memory was 173.4MB in the beginning and 117.2MB in the end (delta: 56.2MB). Peak memory consumption was 55.1MB. Max. memory is 16.1GB. [2023-12-03 02:41:44,665 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 134.2MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:41:44,666 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1032.25ms. Allocated memory is still 209.7MB. Free memory was 173.4MB in the beginning and 109.8MB in the end (delta: 63.6MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-12-03 02:41:44,666 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.69ms. Allocated memory is still 209.7MB. Free memory was 109.8MB in the beginning and 106.4MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 02:41:44,667 INFO L158 Benchmark]: Boogie Preprocessor took 27.65ms. Allocated memory is still 209.7MB. Free memory was 106.4MB in the beginning and 105.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:41:44,668 INFO L158 Benchmark]: RCFGBuilder took 415.72ms. Allocated memory is still 209.7MB. Free memory was 105.2MB in the beginning and 175.9MB in the end (delta: -70.8MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. [2023-12-03 02:41:44,668 INFO L158 Benchmark]: CodeCheck took 907.10ms. Allocated memory is still 209.7MB. Free memory was 175.9MB in the beginning and 118.3MB in the end (delta: 57.7MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2023-12-03 02:41:44,669 INFO L158 Benchmark]: Witness Printer took 3.89ms. Allocated memory is still 209.7MB. Free memory was 118.3MB in the beginning and 117.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:41:44,672 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, 22 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 42 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 15 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 56 IncrementalHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 15 mSDtfsCounter, 56 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 169 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 40 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 1/2 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1569. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1569] 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) [L1569] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=14, argc=14, argv={13:16}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE191_Integer_Underflow__int_fscanf_postdec_17_bad() [L1550] int i,j; [L1551] int data; [L1552] data = 0 [L1553] i = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={32287:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=0] [L1553] COND TRUE i < 1 [L1553] i++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={32287:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1] [L1553] COND FALSE !(i < 1) [L1557] j = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={32287:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1, j=0] [L1557] COND TRUE j < 1 [L1560] EXPR \read(data) [L1560] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={32287:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1, j=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 134.2MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1032.25ms. Allocated memory is still 209.7MB. Free memory was 173.4MB in the beginning and 109.8MB in the end (delta: 63.6MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.69ms. Allocated memory is still 209.7MB. Free memory was 109.8MB in the beginning and 106.4MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.65ms. Allocated memory is still 209.7MB. Free memory was 106.4MB in the beginning and 105.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 415.72ms. Allocated memory is still 209.7MB. Free memory was 105.2MB in the beginning and 175.9MB in the end (delta: -70.8MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. * CodeCheck took 907.10ms. Allocated memory is still 209.7MB. Free memory was 175.9MB in the beginning and 118.3MB in the end (delta: 57.7MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. * Witness Printer took 3.89ms. Allocated memory is still 209.7MB. Free memory was 118.3MB in the beginning and 117.2MB in the end (delta: 1.0MB). 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~nondet106 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post103 could not be translated - 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 [2023-12-03 02:41:44,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf61ec79-86f6-4d01-8ccd-a2558739f2a9/bin/ukojak-verify-Qdu7aM0XO9/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_cf61ec79-86f6-4d01-8ccd-a2558739f2a9/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf61ec79-86f6-4d01-8ccd-a2558739f2a9/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf61ec79-86f6-4d01-8ccd-a2558739f2a9/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf61ec79-86f6-4d01-8ccd-a2558739f2a9/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_17_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf61ec79-86f6-4d01-8ccd-a2558739f2a9/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf61ec79-86f6-4d01-8ccd-a2558739f2a9/bin/ukojak-verify-Qdu7aM0XO9 --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 6603f2f4bd6d1f50aa67c1d5cd4c218f5c0ed680e7da752342ca31bb3f0b3423 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:41:46,557 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:41:46,636 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf61ec79-86f6-4d01-8ccd-a2558739f2a9/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 02:41:46,666 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:41:46,667 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:41:46,667 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:41:46,668 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:41:46,668 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:41:46,669 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:41:46,670 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:41:46,671 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:41:46,671 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:41:46,672 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:41:46,672 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:41:46,673 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 02:41:46,674 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 02:41:46,674 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 02:41:46,675 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 02:41:46,675 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 02:41:46,676 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:41:46,676 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:41:46,677 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:41:46,677 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:41:46,677 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:41:46,678 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:41:46,678 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 02:41:46,679 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:41:46,679 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:41:46,679 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:41:46,680 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:41:46,680 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:41:46,681 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 02:41:46,681 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:41:46,681 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:41:46,681 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 02:41:46,681 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 02:41:46,682 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_cf61ec79-86f6-4d01-8ccd-a2558739f2a9/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf61ec79-86f6-4d01-8ccd-a2558739f2a9/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6603f2f4bd6d1f50aa67c1d5cd4c218f5c0ed680e7da752342ca31bb3f0b3423 [2023-12-03 02:41:46,968 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:41:46,991 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:41:46,994 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:41:46,995 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:41:46,996 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:41:46,997 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf61ec79-86f6-4d01-8ccd-a2558739f2a9/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_17_bad.i [2023-12-03 02:41:49,759 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:41:50,092 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:41:50,092 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf61ec79-86f6-4d01-8ccd-a2558739f2a9/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_17_bad.i [2023-12-03 02:41:50,113 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf61ec79-86f6-4d01-8ccd-a2558739f2a9/bin/ukojak-verify-Qdu7aM0XO9/data/52b36c549/5e96f5e5d3cd4d37b496fdf5f4b9e8a4/FLAG9c1d86c6f [2023-12-03 02:41:50,126 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf61ec79-86f6-4d01-8ccd-a2558739f2a9/bin/ukojak-verify-Qdu7aM0XO9/data/52b36c549/5e96f5e5d3cd4d37b496fdf5f4b9e8a4 [2023-12-03 02:41:50,128 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:41:50,129 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:41:50,130 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:41:50,131 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:41:50,134 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:41:50,135 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:41:50" (1/1) ... [2023-12-03 02:41:50,136 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62b69070 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:50, skipping insertion in model container [2023-12-03 02:41:50,136 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:41:50" (1/1) ... [2023-12-03 02:41:50,185 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:41:50,915 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:41:50,929 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:41:51,016 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:41:51,180 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:41:51,180 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:41:51,180 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:41:51,180 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:41:51,188 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:41:51,188 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:51 WrapperNode [2023-12-03 02:41:51,189 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:41:51,190 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:41:51,190 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:41:51,190 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:41:51,198 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:51" (1/1) ... [2023-12-03 02:41:51,227 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:51" (1/1) ... [2023-12-03 02:41:51,254 INFO L138 Inliner]: procedures = 503, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 73 [2023-12-03 02:41:51,254 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:41:51,255 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:41:51,255 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:41:51,255 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:41:51,265 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:51" (1/1) ... [2023-12-03 02:41:51,265 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:51" (1/1) ... [2023-12-03 02:41:51,270 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:51" (1/1) ... [2023-12-03 02:41:51,270 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:51" (1/1) ... [2023-12-03 02:41:51,281 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:51" (1/1) ... [2023-12-03 02:41:51,284 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:51" (1/1) ... [2023-12-03 02:41:51,288 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:51" (1/1) ... [2023-12-03 02:41:51,290 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:51" (1/1) ... [2023-12-03 02:41:51,295 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:41:51,296 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:41:51,296 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:41:51,296 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:41:51,297 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:51" (1/1) ... [2023-12-03 02:41:51,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:41:51,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf61ec79-86f6-4d01-8ccd-a2558739f2a9/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:41:51,325 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf61ec79-86f6-4d01-8ccd-a2558739f2a9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:41:51,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf61ec79-86f6-4d01-8ccd-a2558739f2a9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:41:51,371 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 02:41:51,371 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 02:41:51,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:41:51,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 02:41:51,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:41:51,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:41:51,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:41:51,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 02:41:51,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:41:51,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 02:41:51,372 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 02:41:51,519 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:41:51,522 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:41:51,676 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:41:51,721 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:41:51,722 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-03 02:41:51,723 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:41:51 BoogieIcfgContainer [2023-12-03 02:41:51,724 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:41:51,725 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:41:51,725 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:41:51,734 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:41:51,734 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:41:51" (1/1) ... [2023-12-03 02:41:51,743 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:41:51,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:41:51,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2023-12-03 02:41:51,803 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2023-12-03 02:41:51,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 02:41:51,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:41:51,808 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:41:51,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf61ec79-86f6-4d01-8ccd-a2558739f2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:41:51,809 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf61ec79-86f6-4d01-8ccd-a2558739f2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:41:51,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf61ec79-86f6-4d01-8ccd-a2558739f2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 02:41:51,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:51,947 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:41:51,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:51,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:41:51,990 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:41:52,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:41:52,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf61ec79-86f6-4d01-8ccd-a2558739f2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 02:41:52,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:41:52,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 21 states and 23 transitions. [2023-12-03 02:41:52,045 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2023-12-03 02:41:52,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 02:41:52,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:41:52,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:41:52,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf61ec79-86f6-4d01-8ccd-a2558739f2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:41:52,047 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf61ec79-86f6-4d01-8ccd-a2558739f2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:41:52,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf61ec79-86f6-4d01-8ccd-a2558739f2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 02:41:52,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:52,194 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:41:52,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:52,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:41:52,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:41:52,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:41:52,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf61ec79-86f6-4d01-8ccd-a2558739f2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 02:41:52,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:41:52,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 24 states and 27 transitions. [2023-12-03 02:41:52,354 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2023-12-03 02:41:52,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 02:41:52,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:41:52,354 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:41:52,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf61ec79-86f6-4d01-8ccd-a2558739f2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:41:52,355 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf61ec79-86f6-4d01-8ccd-a2558739f2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:41:52,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf61ec79-86f6-4d01-8ccd-a2558739f2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 02:41:52,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:52,507 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:41:52,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:52,548 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 02:41:52,549 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:41:52,574 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:41:52,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf61ec79-86f6-4d01-8ccd-a2558739f2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-12-03 02:41:52,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:41:52,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2023-12-03 02:41:52,640 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2023-12-03 02:41:52,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 02:41:52,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:41:52,641 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:41:52,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf61ec79-86f6-4d01-8ccd-a2558739f2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:41:52,642 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf61ec79-86f6-4d01-8ccd-a2558739f2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:41:52,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf61ec79-86f6-4d01-8ccd-a2558739f2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 02:41:52,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:41:52,852 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:41:52,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:41:53,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:41:53,050 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:41:53,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:41:53,127 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2023-12-03 02:41:53,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf61ec79-86f6-4d01-8ccd-a2558739f2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 02:41:53,161 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet104 [2023-12-03 02:41:53,165 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post101 could not be translated [2023-12-03 02:41:53,165 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated [2023-12-03 02:41:53,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 02:41:53 ImpRootNode [2023-12-03 02:41:53,170 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 02:41:53,170 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 02:41:53,170 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 02:41:53,171 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 02:41:53,171 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:41:51" (3/4) ... [2023-12-03 02:41:53,173 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 02:41:53,174 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 02:41:53,175 INFO L158 Benchmark]: Toolchain (without parser) took 3045.20ms. Allocated memory was 83.9MB in the beginning and 111.1MB in the end (delta: 27.3MB). Free memory was 56.9MB in the beginning and 47.2MB in the end (delta: 9.8MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. [2023-12-03 02:41:53,176 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 83.9MB. Free memory was 59.8MB in the beginning and 59.7MB in the end (delta: 157.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:41:53,176 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1058.60ms. Allocated memory was 83.9MB in the beginning and 111.1MB in the end (delta: 27.3MB). Free memory was 56.7MB in the beginning and 61.8MB in the end (delta: -5.2MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2023-12-03 02:41:53,177 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.58ms. Allocated memory is still 111.1MB. Free memory was 61.8MB in the beginning and 58.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 02:41:53,178 INFO L158 Benchmark]: Boogie Preprocessor took 40.34ms. Allocated memory is still 111.1MB. Free memory was 58.3MB in the beginning and 56.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:41:53,178 INFO L158 Benchmark]: RCFGBuilder took 427.79ms. Allocated memory is still 111.1MB. Free memory was 56.2MB in the beginning and 68.0MB in the end (delta: -11.9MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2023-12-03 02:41:53,179 INFO L158 Benchmark]: CodeCheck took 1445.21ms. Allocated memory is still 111.1MB. Free memory was 68.0MB in the beginning and 47.8MB in the end (delta: 20.2MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2023-12-03 02:41:53,179 INFO L158 Benchmark]: Witness Printer took 3.80ms. Allocated memory is still 111.1MB. Free memory was 47.8MB in the beginning and 47.2MB in the end (delta: 662.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:41:53,183 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, 22 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 59 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 21 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 49 IncrementalHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 21 mSDtfsCounter, 49 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 188 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 37 SizeOfPredicates, 2 NumberOfNonLiveVariables, 219 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 2/3 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1569. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1569] 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) [L1569] 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] [L1570] CALL CWE191_Integer_Underflow__int_fscanf_postdec_17_bad() [L1550] int i,j; [L1551] int data; [L1552] data = 0 [L1553] i = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=0] [L1553] COND TRUE i < 1 [L1553] i++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1] [L1553] COND FALSE !(i < 1) [L1557] j = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1, j=0] [L1557] COND TRUE j < 1 [L1560] EXPR \read(data) [L1560] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1, j=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 83.9MB. Free memory was 59.8MB in the beginning and 59.7MB in the end (delta: 157.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1058.60ms. Allocated memory was 83.9MB in the beginning and 111.1MB in the end (delta: 27.3MB). Free memory was 56.7MB in the beginning and 61.8MB in the end (delta: -5.2MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.58ms. Allocated memory is still 111.1MB. Free memory was 61.8MB in the beginning and 58.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.34ms. Allocated memory is still 111.1MB. Free memory was 58.3MB in the beginning and 56.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 427.79ms. Allocated memory is still 111.1MB. Free memory was 56.2MB in the beginning and 68.0MB in the end (delta: -11.9MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * CodeCheck took 1445.21ms. Allocated memory is still 111.1MB. Free memory was 68.0MB in the beginning and 47.8MB in the end (delta: 20.2MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. * Witness Printer took 3.80ms. Allocated memory is still 111.1MB. Free memory was 47.8MB in the beginning and 47.2MB in the end (delta: 662.3kB). 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~nondet104 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated - 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 [2023-12-03 02:41:53,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf61ec79-86f6-4d01-8ccd-a2558739f2a9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample