./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_44_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_74bf5f03-28e8-43c2-a36b-45f7923202cb/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74bf5f03-28e8-43c2-a36b-45f7923202cb/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74bf5f03-28e8-43c2-a36b-45f7923202cb/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74bf5f03-28e8-43c2-a36b-45f7923202cb/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74bf5f03-28e8-43c2-a36b-45f7923202cb/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74bf5f03-28e8-43c2-a36b-45f7923202cb/bin/ukojak-verify-1t5iHCbJaC --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 6294997424bce81d42b9c2cd1353a929b995d499faea1bb95c3d8ac3de77a84b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:07:30,747 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:07:30,877 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74bf5f03-28e8-43c2-a36b-45f7923202cb/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:07:30,885 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:07:30,886 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:07:30,931 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:07:30,932 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:07:30,933 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:07:30,934 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:07:30,940 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:07:30,940 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:07:30,941 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:07:30,941 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:07:30,943 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:07:30,944 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:07:30,944 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:07:30,945 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:07:30,945 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:07:30,946 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:07:30,946 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:07:30,947 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:07:30,948 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:07:30,949 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:07:30,949 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:07:30,950 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:07:30,950 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:07:30,951 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:07:30,951 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:07:30,952 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:07:30,952 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:07:30,954 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:07:30,954 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:07:30,954 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_74bf5f03-28e8-43c2-a36b-45f7923202cb/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74bf5f03-28e8-43c2-a36b-45f7923202cb/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6294997424bce81d42b9c2cd1353a929b995d499faea1bb95c3d8ac3de77a84b [2023-11-23 20:07:31,288 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:07:31,321 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:07:31,324 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:07:31,325 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:07:31,326 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:07:31,328 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74bf5f03-28e8-43c2-a36b-45f7923202cb/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_44_bad.i [2023-11-23 20:07:34,638 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:07:35,171 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:07:35,172 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74bf5f03-28e8-43c2-a36b-45f7923202cb/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_44_bad.i [2023-11-23 20:07:35,208 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74bf5f03-28e8-43c2-a36b-45f7923202cb/bin/ukojak-verify-1t5iHCbJaC/data/a79bbad46/eb7c69a3a2c54ef4ac8ec84626ca5e57/FLAG7f9506aab [2023-11-23 20:07:35,228 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74bf5f03-28e8-43c2-a36b-45f7923202cb/bin/ukojak-verify-1t5iHCbJaC/data/a79bbad46/eb7c69a3a2c54ef4ac8ec84626ca5e57 [2023-11-23 20:07:35,233 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:07:35,235 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:07:35,239 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:07:35,239 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:07:35,245 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:07:35,247 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:07:35" (1/1) ... [2023-11-23 20:07:35,249 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@acfc6db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:35, skipping insertion in model container [2023-11-23 20:07:35,250 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:07:35" (1/1) ... [2023-11-23 20:07:35,349 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:07:35,922 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:07:37,229 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:07:37,241 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:07:37,265 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:07:37,337 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:07:37,634 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:07:37,635 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:07:37,635 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:07:37,635 WARN L675 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:07:37,635 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:07:37,636 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:07:37,644 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:07:37,645 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:37 WrapperNode [2023-11-23 20:07:37,645 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:07:37,646 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:07:37,646 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:07:37,647 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:07:37,655 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:37" (1/1) ... [2023-11-23 20:07:37,698 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:37" (1/1) ... [2023-11-23 20:07:37,737 INFO L138 Inliner]: procedures = 939, calls = 63, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 49 [2023-11-23 20:07:37,738 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:07:37,738 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:07:37,739 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:07:37,739 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:07:37,750 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:37" (1/1) ... [2023-11-23 20:07:37,751 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:37" (1/1) ... [2023-11-23 20:07:37,769 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:37" (1/1) ... [2023-11-23 20:07:37,783 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:37" (1/1) ... [2023-11-23 20:07:37,790 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:37" (1/1) ... [2023-11-23 20:07:37,792 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:37" (1/1) ... [2023-11-23 20:07:37,794 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:37" (1/1) ... [2023-11-23 20:07:37,800 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:37" (1/1) ... [2023-11-23 20:07:37,803 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:07:37,817 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:07:37,817 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:07:37,817 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:07:37,818 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:37" (1/1) ... [2023-11-23 20:07:37,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:07:37,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74bf5f03-28e8-43c2-a36b-45f7923202cb/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:07:37,862 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74bf5f03-28e8-43c2-a36b-45f7923202cb/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:07:37,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74bf5f03-28e8-43c2-a36b-45f7923202cb/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:07:37,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:07:37,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:07:37,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:07:37,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:07:37,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:07:37,909 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:07:37,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:07:37,909 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:07:37,909 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:07:37,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:07:37,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:07:38,138 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:07:38,141 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:07:38,261 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:07:38,306 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:07:38,306 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:07:38,308 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:07:38 BoogieIcfgContainer [2023-11-23 20:07:38,308 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:07:38,309 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:07:38,310 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:07:38,321 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:07:38,321 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:07:38" (1/1) ... [2023-11-23 20:07:38,331 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:07:38,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:38,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-23 20:07:38,390 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-23 20:07:38,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:07:38,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:38,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:38,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:38,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:38,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:38,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2023-11-23 20:07:38,668 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2023-11-23 20:07:38,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:07:38,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:38,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:44,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:07:44,242 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:07:44,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:07:44,322 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-23 20:07:44,356 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:07:44 ImpRootNode [2023-11-23 20:07:44,356 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:07:44,357 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:07:44,357 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:07:44,358 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:07:44,358 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:07:38" (3/4) ... [2023-11-23 20:07:44,359 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-23 20:07:44,431 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74bf5f03-28e8-43c2-a36b-45f7923202cb/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:07:44,431 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:07:44,432 INFO L158 Benchmark]: Toolchain (without parser) took 9196.73ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 145.2MB in the beginning and 132.6MB in the end (delta: 12.7MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. [2023-11-23 20:07:44,433 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 134.2MB. Free memory was 104.4MB in the beginning and 104.3MB in the end (delta: 74.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:07:44,434 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2406.57ms. Allocated memory is still 178.3MB. Free memory was 145.2MB in the beginning and 135.9MB in the end (delta: 9.3MB). Peak memory consumption was 82.6MB. Max. memory is 16.1GB. [2023-11-23 20:07:44,435 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.60ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 135.8MB in the beginning and 174.5MB in the end (delta: -38.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:07:44,435 INFO L158 Benchmark]: Boogie Preprocessor took 77.77ms. Allocated memory is still 213.9MB. Free memory was 174.5MB in the beginning and 173.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:07:44,436 INFO L158 Benchmark]: RCFGBuilder took 491.64ms. Allocated memory is still 213.9MB. Free memory was 173.5MB in the beginning and 157.7MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 20:07:44,437 INFO L158 Benchmark]: CodeCheck took 6046.80ms. Allocated memory is still 213.9MB. Free memory was 157.7MB in the beginning and 134.7MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-23 20:07:44,438 INFO L158 Benchmark]: Witness Printer took 74.02ms. Allocated memory is still 213.9MB. Free memory was 134.7MB in the beginning and 132.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:07:44,442 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 6.0s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 6 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 34 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, 5.5s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 1835]: integer overflow possible integer overflow possible We found a 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); [L1850] 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) [L1850] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=19, argc=19, argv={12:18}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1851] CALL CWE190_Integer_Overflow__int_fscanf_square_44_bad() [L1841] int data; [L1842] void (*funcPtr) (int) = badSink; [L1843] data = 0 [L1845] EXPR \read(data) [L1845] CALL funcPtr(data) [L1835] data * data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-46341, data=-46341, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 134.2MB. Free memory was 104.4MB in the beginning and 104.3MB in the end (delta: 74.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2406.57ms. Allocated memory is still 178.3MB. Free memory was 145.2MB in the beginning and 135.9MB in the end (delta: 9.3MB). Peak memory consumption was 82.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.60ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 135.8MB in the beginning and 174.5MB in the end (delta: -38.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.77ms. Allocated memory is still 213.9MB. Free memory was 174.5MB in the beginning and 173.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 491.64ms. Allocated memory is still 213.9MB. Free memory was 173.5MB in the beginning and 157.7MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 6046.80ms. Allocated memory is still 213.9MB. Free memory was 157.7MB in the beginning and 134.7MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 74.02ms. Allocated memory is still 213.9MB. Free memory was 134.7MB in the beginning and 132.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-23 20:07:44,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74bf5f03-28e8-43c2-a36b-45f7923202cb/bin/ukojak-verify-1t5iHCbJaC/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)