./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_05_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_bd02a412-77c6-41d1-ab02-5581fe62bb0a/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd02a412-77c6-41d1-ab02-5581fe62bb0a/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_bd02a412-77c6-41d1-ab02-5581fe62bb0a/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd02a412-77c6-41d1-ab02-5581fe62bb0a/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_05_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd02a412-77c6-41d1-ab02-5581fe62bb0a/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_bd02a412-77c6-41d1-ab02-5581fe62bb0a/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 1653f1bc214ce60a29f8abe981be92e23c0e6eeb960e39f4066bff28355ae087 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:44:23,176 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:44:23,243 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd02a412-77c6-41d1-ab02-5581fe62bb0a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 01:44:23,248 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:44:23,249 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:44:23,271 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:44:23,272 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:44:23,273 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:44:23,274 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:44:23,274 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:44:23,275 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:44:23,275 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:44:23,276 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:44:23,276 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:44:23,277 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:44:23,277 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:44:23,278 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:44:23,278 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 01:44:23,279 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 01:44:23,279 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:44:23,280 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:44:23,281 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:44:23,281 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:44:23,282 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:44:23,282 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:44:23,283 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:44:23,283 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:44:23,283 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:44:23,284 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:44:23,284 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:44:23,285 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:44:23,285 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:44:23,285 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_bd02a412-77c6-41d1-ab02-5581fe62bb0a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd02a412-77c6-41d1-ab02-5581fe62bb0a/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1653f1bc214ce60a29f8abe981be92e23c0e6eeb960e39f4066bff28355ae087 [2023-12-03 01:44:23,532 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:44:23,556 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:44:23,559 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:44:23,561 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:44:23,561 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:44:23,563 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd02a412-77c6-41d1-ab02-5581fe62bb0a/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_05_bad.i [2023-12-03 01:44:26,500 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:44:26,793 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:44:26,794 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd02a412-77c6-41d1-ab02-5581fe62bb0a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_05_bad.i [2023-12-03 01:44:26,821 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd02a412-77c6-41d1-ab02-5581fe62bb0a/bin/ukojak-verify-Qdu7aM0XO9/data/bdc947dfe/71e0aa805f684c5e9467315fdad1faf2/FLAG1bcbeb8ce [2023-12-03 01:44:26,837 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd02a412-77c6-41d1-ab02-5581fe62bb0a/bin/ukojak-verify-Qdu7aM0XO9/data/bdc947dfe/71e0aa805f684c5e9467315fdad1faf2 [2023-12-03 01:44:26,839 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:44:26,841 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:44:26,842 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:44:26,843 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:44:26,848 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:44:26,849 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:44:26" (1/1) ... [2023-12-03 01:44:26,850 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ef4cc22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:26, skipping insertion in model container [2023-12-03 01:44:26,850 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:44:26" (1/1) ... [2023-12-03 01:44:26,928 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:44:27,929 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:44:27,942 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:44:28,040 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:44:28,235 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:44:28,236 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:44:28,236 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:44:28,236 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:44:28,245 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:44:28,246 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:28 WrapperNode [2023-12-03 01:44:28,246 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:44:28,247 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:44:28,247 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:44:28,247 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:44:28,255 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:28" (1/1) ... [2023-12-03 01:44:28,280 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:28" (1/1) ... [2023-12-03 01:44:28,309 INFO L138 Inliner]: procedures = 498, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2023-12-03 01:44:28,309 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:44:28,310 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:44:28,310 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:44:28,310 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:44:28,322 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:28" (1/1) ... [2023-12-03 01:44:28,323 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:28" (1/1) ... [2023-12-03 01:44:28,326 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:28" (1/1) ... [2023-12-03 01:44:28,327 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:28" (1/1) ... [2023-12-03 01:44:28,335 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:28" (1/1) ... [2023-12-03 01:44:28,337 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:28" (1/1) ... [2023-12-03 01:44:28,340 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:28" (1/1) ... [2023-12-03 01:44:28,341 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:28" (1/1) ... [2023-12-03 01:44:28,345 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:44:28,346 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:44:28,347 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:44:28,347 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:44:28,348 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:28" (1/1) ... [2023-12-03 01:44:28,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:44:28,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd02a412-77c6-41d1-ab02-5581fe62bb0a/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:44:28,386 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd02a412-77c6-41d1-ab02-5581fe62bb0a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:44:28,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd02a412-77c6-41d1-ab02-5581fe62bb0a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:44:28,426 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 01:44:28,426 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 01:44:28,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 01:44:28,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 01:44:28,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:44:28,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:44:28,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:44:28,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 01:44:28,428 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 01:44:28,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 01:44:28,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:44:28,610 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:44:28,613 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:44:28,766 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:44:28,826 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:44:28,826 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 01:44:28,828 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:44:28 BoogieIcfgContainer [2023-12-03 01:44:28,828 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:44:28,829 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:44:28,830 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:44:28,842 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:44:28,842 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:44:28" (1/1) ... [2023-12-03 01:44:28,854 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:44:28,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:44:28,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-03 01:44:28,924 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-03 01:44:28,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 01:44:28,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:44:28,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:44:29,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:44:29,115 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:44:29,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:44:29,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:44:29,250 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:44:29,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:44:29,295 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 01:44:29,319 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet104 [2023-12-03 01:44:29,321 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post101 could not be translated [2023-12-03 01:44:29,322 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated [2023-12-03 01:44:29,326 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:44:29 ImpRootNode [2023-12-03 01:44:29,326 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 01:44:29,327 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 01:44:29,327 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 01:44:29,327 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 01:44:29,328 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:44:28" (3/4) ... [2023-12-03 01:44:29,330 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 01:44:29,331 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 01:44:29,332 INFO L158 Benchmark]: Toolchain (without parser) took 2490.35ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 99.9MB in the beginning and 79.2MB in the end (delta: 20.7MB). Peak memory consumption was 51.7MB. Max. memory is 16.1GB. [2023-12-03 01:44:29,332 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 142.6MB. Free memory is still 111.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:44:29,333 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1403.85ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 99.6MB in the beginning and 119.1MB in the end (delta: -19.5MB). Peak memory consumption was 55.9MB. Max. memory is 16.1GB. [2023-12-03 01:44:29,333 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.54ms. Allocated memory is still 172.0MB. Free memory was 119.1MB in the beginning and 116.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:44:29,334 INFO L158 Benchmark]: Boogie Preprocessor took 35.46ms. Allocated memory is still 172.0MB. Free memory was 116.0MB in the beginning and 114.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:44:29,335 INFO L158 Benchmark]: RCFGBuilder took 482.03ms. Allocated memory is still 172.0MB. Free memory was 114.9MB in the beginning and 99.3MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 01:44:29,335 INFO L158 Benchmark]: CodeCheck took 496.68ms. Allocated memory is still 172.0MB. Free memory was 99.3MB in the beginning and 79.2MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-03 01:44:29,336 INFO L158 Benchmark]: Witness Printer took 4.06ms. Allocated memory is still 172.0MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:44:29,340 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1561]: 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 1570. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int staticTrue = 1; [L1549] static int staticFalse = 0; [L1570] 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}, staticFalse=0, staticTrue=1] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=14, argc=14, argv={13:18}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_fscanf_postdec_05_bad() [L1552] int data; [L1553] data = 0 [L1554] COND TRUE \read(staticTrue) [L1558] COND TRUE \read(staticTrue) [L1561] EXPR \read(data) [L1561] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={10452:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 142.6MB. Free memory is still 111.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1403.85ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 99.6MB in the beginning and 119.1MB in the end (delta: -19.5MB). Peak memory consumption was 55.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.54ms. Allocated memory is still 172.0MB. Free memory was 119.1MB in the beginning and 116.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.46ms. Allocated memory is still 172.0MB. Free memory was 116.0MB in the beginning and 114.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 482.03ms. Allocated memory is still 172.0MB. Free memory was 114.9MB in the beginning and 99.3MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 496.68ms. Allocated memory is still 172.0MB. Free memory was 99.3MB in the beginning and 79.2MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 4.06ms. Allocated memory is still 172.0MB. Free memory is still 79.2MB. 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 01:44:29,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd02a412-77c6-41d1-ab02-5581fe62bb0a/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_bd02a412-77c6-41d1-ab02-5581fe62bb0a/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd02a412-77c6-41d1-ab02-5581fe62bb0a/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_bd02a412-77c6-41d1-ab02-5581fe62bb0a/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd02a412-77c6-41d1-ab02-5581fe62bb0a/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_05_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd02a412-77c6-41d1-ab02-5581fe62bb0a/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_bd02a412-77c6-41d1-ab02-5581fe62bb0a/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 1653f1bc214ce60a29f8abe981be92e23c0e6eeb960e39f4066bff28355ae087 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:44:31,307 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:44:31,384 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd02a412-77c6-41d1-ab02-5581fe62bb0a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 01:44:31,417 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:44:31,418 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:44:31,418 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:44:31,419 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:44:31,420 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:44:31,420 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:44:31,421 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:44:31,421 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:44:31,422 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:44:31,422 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:44:31,423 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:44:31,423 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 01:44:31,424 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 01:44:31,424 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 01:44:31,425 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 01:44:31,425 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 01:44:31,426 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:44:31,426 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:44:31,427 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:44:31,428 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:44:31,428 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:44:31,429 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:44:31,429 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 01:44:31,429 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:44:31,430 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:44:31,430 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:44:31,431 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:44:31,431 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:44:31,432 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 01:44:31,432 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:44:31,432 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:44:31,432 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 01:44:31,433 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 01:44:31,433 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_bd02a412-77c6-41d1-ab02-5581fe62bb0a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd02a412-77c6-41d1-ab02-5581fe62bb0a/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1653f1bc214ce60a29f8abe981be92e23c0e6eeb960e39f4066bff28355ae087 [2023-12-03 01:44:31,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:44:31,756 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:44:31,759 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:44:31,760 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:44:31,761 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:44:31,762 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd02a412-77c6-41d1-ab02-5581fe62bb0a/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_05_bad.i [2023-12-03 01:44:34,477 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:44:34,806 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:44:34,807 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd02a412-77c6-41d1-ab02-5581fe62bb0a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_05_bad.i [2023-12-03 01:44:34,831 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd02a412-77c6-41d1-ab02-5581fe62bb0a/bin/ukojak-verify-Qdu7aM0XO9/data/db5421436/fdfcbb1d2b4f4831898b6e75049e37cc/FLAG85001b975 [2023-12-03 01:44:34,844 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd02a412-77c6-41d1-ab02-5581fe62bb0a/bin/ukojak-verify-Qdu7aM0XO9/data/db5421436/fdfcbb1d2b4f4831898b6e75049e37cc [2023-12-03 01:44:34,847 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:44:34,848 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:44:34,850 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:44:34,850 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:44:34,854 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:44:34,855 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:44:34" (1/1) ... [2023-12-03 01:44:34,856 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d6f42e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:34, skipping insertion in model container [2023-12-03 01:44:34,856 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:44:34" (1/1) ... [2023-12-03 01:44:34,913 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:44:35,648 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:44:35,661 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:44:35,753 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:44:35,897 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:44:35,897 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:44:35,897 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:44:35,897 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:44:35,904 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:44:35,915 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:35 WrapperNode [2023-12-03 01:44:35,915 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:44:35,916 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:44:35,916 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:44:35,916 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:44:35,922 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:35" (1/1) ... [2023-12-03 01:44:35,950 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:35" (1/1) ... [2023-12-03 01:44:35,973 INFO L138 Inliner]: procedures = 503, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2023-12-03 01:44:35,973 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:44:35,974 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:44:35,974 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:44:35,974 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:44:35,983 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:35" (1/1) ... [2023-12-03 01:44:35,983 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:35" (1/1) ... [2023-12-03 01:44:35,988 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:35" (1/1) ... [2023-12-03 01:44:35,988 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:35" (1/1) ... [2023-12-03 01:44:35,997 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:35" (1/1) ... [2023-12-03 01:44:35,999 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:35" (1/1) ... [2023-12-03 01:44:36,002 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:35" (1/1) ... [2023-12-03 01:44:36,004 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:35" (1/1) ... [2023-12-03 01:44:36,009 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:44:36,010 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:44:36,010 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:44:36,011 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:44:36,011 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:35" (1/1) ... [2023-12-03 01:44:36,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:44:36,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd02a412-77c6-41d1-ab02-5581fe62bb0a/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:44:36,045 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd02a412-77c6-41d1-ab02-5581fe62bb0a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:44:36,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd02a412-77c6-41d1-ab02-5581fe62bb0a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:44:36,085 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 01:44:36,086 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 01:44:36,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 01:44:36,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 01:44:36,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:44:36,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:44:36,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:44:36,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 01:44:36,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 01:44:36,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 01:44:36,087 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 01:44:36,239 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:44:36,240 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:44:36,372 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:44:36,418 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:44:36,419 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 01:44:36,420 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:44:36 BoogieIcfgContainer [2023-12-03 01:44:36,421 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:44:36,421 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:44:36,421 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:44:36,429 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:44:36,429 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:44:36" (1/1) ... [2023-12-03 01:44:36,436 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:44:36,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:44:36,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-03 01:44:36,481 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-03 01:44:36,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 01:44:36,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:44:36,486 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:44:36,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd02a412-77c6-41d1-ab02-5581fe62bb0a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:44:36,487 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd02a412-77c6-41d1-ab02-5581fe62bb0a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:44:36,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd02a412-77c6-41d1-ab02-5581fe62bb0a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 01:44:36,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:44:36,660 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:44:36,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:44:36,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:44:36,819 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:44:36,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:44:36,886 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd02a412-77c6-41d1-ab02-5581fe62bb0a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 01:44:36,887 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 01:44:36,906 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet102 [2023-12-03 01:44:36,909 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post99 could not be translated [2023-12-03 01:44:36,909 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated [2023-12-03 01:44:36,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:44:36 ImpRootNode [2023-12-03 01:44:36,912 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 01:44:36,913 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 01:44:36,913 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 01:44:36,913 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 01:44:36,914 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:44:36" (3/4) ... [2023-12-03 01:44:36,915 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 01:44:36,916 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 01:44:36,917 INFO L158 Benchmark]: Toolchain (without parser) took 2068.61ms. Allocated memory was 88.1MB in the beginning and 142.6MB in the end (delta: 54.5MB). Free memory was 61.1MB in the beginning and 72.8MB in the end (delta: -11.8MB). Peak memory consumption was 45.4MB. Max. memory is 16.1GB. [2023-12-03 01:44:36,917 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 88.1MB. Free memory is still 64.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:44:36,918 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1065.86ms. Allocated memory was 88.1MB in the beginning and 142.6MB in the end (delta: 54.5MB). Free memory was 60.8MB in the beginning and 115.6MB in the end (delta: -54.8MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB. [2023-12-03 01:44:36,918 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.12ms. Allocated memory is still 142.6MB. Free memory was 115.6MB in the beginning and 112.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:44:36,919 INFO L158 Benchmark]: Boogie Preprocessor took 35.75ms. Allocated memory is still 142.6MB. Free memory was 112.7MB in the beginning and 110.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:44:36,920 INFO L158 Benchmark]: RCFGBuilder took 410.36ms. Allocated memory is still 142.6MB. Free memory was 110.6MB in the beginning and 92.5MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-03 01:44:36,920 INFO L158 Benchmark]: CodeCheck took 491.01ms. Allocated memory is still 142.6MB. Free memory was 92.5MB in the beginning and 73.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-03 01:44:36,921 INFO L158 Benchmark]: Witness Printer took 3.42ms. Allocated memory is still 142.6MB. Free memory was 73.6MB in the beginning and 72.8MB in the end (delta: 794.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:44:36,924 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1561]: 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 1570. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int staticTrue = 1; [L1549] static int staticFalse = 0; [L1570] 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}, staticFalse=0, staticTrue=1] [L1414] COND TRUE line != ((void *)0) [L1570] 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, staticFalse=0, staticTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_fscanf_postdec_05_bad() [L1552] int data; [L1553] data = 0 [L1554] COND TRUE \read(staticTrue) [L1558] COND TRUE \read(staticTrue) [L1561] EXPR \read(data) [L1561] 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, staticFalse=0, staticTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 88.1MB. Free memory is still 64.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1065.86ms. Allocated memory was 88.1MB in the beginning and 142.6MB in the end (delta: 54.5MB). Free memory was 60.8MB in the beginning and 115.6MB in the end (delta: -54.8MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.12ms. Allocated memory is still 142.6MB. Free memory was 115.6MB in the beginning and 112.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.75ms. Allocated memory is still 142.6MB. Free memory was 112.7MB in the beginning and 110.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 410.36ms. Allocated memory is still 142.6MB. Free memory was 110.6MB in the beginning and 92.5MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 491.01ms. Allocated memory is still 142.6MB. Free memory was 92.5MB in the beginning and 73.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 3.42ms. Allocated memory is still 142.6MB. Free memory was 73.6MB in the beginning and 72.8MB in the end (delta: 794.0kB). 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~nondet102 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post99 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem98 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 01:44:36,942 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd02a412-77c6-41d1-ab02-5581fe62bb0a/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