./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_66_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a8c457-75a5-48e6-8682-c5a5db30a703/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a8c457-75a5-48e6-8682-c5a5db30a703/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a8c457-75a5-48e6-8682-c5a5db30a703/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a8c457-75a5-48e6-8682-c5a5db30a703/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a8c457-75a5-48e6-8682-c5a5db30a703/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a8c457-75a5-48e6-8682-c5a5db30a703/bin/ukojak-verify-G8NBE6pJGL --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 429337893710b009913cd696c67184cc25ddb1faeabeb015827150a50fb21a53 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:14:40,014 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:14:40,092 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a8c457-75a5-48e6-8682-c5a5db30a703/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 03:14:40,098 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:14:40,098 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:14:40,124 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:14:40,125 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:14:40,126 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:14:40,127 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:14:40,128 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:14:40,129 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:14:40,129 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:14:40,130 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:14:40,131 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:14:40,131 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:14:40,132 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:14:40,133 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:14:40,133 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:14:40,134 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:14:40,134 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:14:40,135 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:14:40,136 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:14:40,136 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:14:40,137 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:14:40,137 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:14:40,138 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:14:40,139 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:14:40,139 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:14:40,140 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:14:40,140 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:14:40,141 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:14:40,141 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:14:40,142 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_a3a8c457-75a5-48e6-8682-c5a5db30a703/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a8c457-75a5-48e6-8682-c5a5db30a703/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 429337893710b009913cd696c67184cc25ddb1faeabeb015827150a50fb21a53 [2023-11-19 03:14:40,391 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:14:40,429 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:14:40,432 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:14:40,434 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:14:40,435 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:14:40,436 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a8c457-75a5-48e6-8682-c5a5db30a703/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_66_bad.i [2023-11-19 03:14:43,582 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:14:44,031 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:14:44,032 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a8c457-75a5-48e6-8682-c5a5db30a703/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_66_bad.i [2023-11-19 03:14:44,067 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a8c457-75a5-48e6-8682-c5a5db30a703/bin/ukojak-verify-G8NBE6pJGL/data/9a1f257ff/beefcec0e1e442909339c85d7a02e6fc/FLAGec66fe47b [2023-11-19 03:14:44,084 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a8c457-75a5-48e6-8682-c5a5db30a703/bin/ukojak-verify-G8NBE6pJGL/data/9a1f257ff/beefcec0e1e442909339c85d7a02e6fc [2023-11-19 03:14:44,090 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:14:44,093 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:14:44,097 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:14:44,097 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:14:44,102 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:14:44,104 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:14:44" (1/1) ... [2023-11-19 03:14:44,106 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@385872d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:44, skipping insertion in model container [2023-11-19 03:14:44,107 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:14:44" (1/1) ... [2023-11-19 03:14:44,186 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:14:44,624 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:14:45,285 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:14:45,299 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:14:45,336 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:14:45,447 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:14:45,614 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:14:45,614 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:14:45,614 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:14:45,615 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:14:45,615 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:14:45,623 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:14:45,624 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:45 WrapperNode [2023-11-19 03:14:45,624 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:14:45,625 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:14:45,625 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:14:45,626 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:14:45,634 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:45" (1/1) ... [2023-11-19 03:14:45,679 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:45" (1/1) ... [2023-11-19 03:14:45,749 INFO L138 Inliner]: procedures = 500, calls = 66, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 54 [2023-11-19 03:14:45,754 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:14:45,755 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:14:45,755 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:14:45,755 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:14:45,774 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:45" (1/1) ... [2023-11-19 03:14:45,774 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:45" (1/1) ... [2023-11-19 03:14:45,777 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:45" (1/1) ... [2023-11-19 03:14:45,777 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:45" (1/1) ... [2023-11-19 03:14:45,784 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:45" (1/1) ... [2023-11-19 03:14:45,786 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:45" (1/1) ... [2023-11-19 03:14:45,788 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:45" (1/1) ... [2023-11-19 03:14:45,790 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:45" (1/1) ... [2023-11-19 03:14:45,793 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:14:45,794 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:14:45,794 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:14:45,794 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:14:45,795 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:45" (1/1) ... [2023-11-19 03:14:45,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:14:45,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a8c457-75a5-48e6-8682-c5a5db30a703/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:14:45,831 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a8c457-75a5-48e6-8682-c5a5db30a703/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:14:45,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a8c457-75a5-48e6-8682-c5a5db30a703/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:14:45,880 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 03:14:45,881 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 03:14:45,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:14:45,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:14:45,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:14:45,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:14:45,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:14:45,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:14:45,882 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 03:14:45,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:14:45,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:14:46,061 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:14:46,064 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:14:46,225 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:14:46,259 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:14:46,259 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:14:46,264 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:14:46 BoogieIcfgContainer [2023-11-19 03:14:46,264 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:14:46,265 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:14:46,265 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:14:46,275 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:14:46,276 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:14:46" (1/1) ... [2023-11-19 03:14:46,286 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:14:46,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:46,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-19 03:14:46,340 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-19 03:14:46,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:14:46,344 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:46,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:46,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:46,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:14:46,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:46,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2023-11-19 03:14:46,717 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2023-11-19 03:14:46,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:14:46,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:46,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:46,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:14:46,775 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:14:46,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:14:46,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:14:46,895 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:14:46,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:14:46,933 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-19 03:14:46,970 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:14:46 ImpRootNode [2023-11-19 03:14:46,970 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:14:46,971 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:14:46,971 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:14:46,972 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:14:46,972 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:14:46" (3/4) ... [2023-11-19 03:14:46,973 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 03:14:47,021 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a8c457-75a5-48e6-8682-c5a5db30a703/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:14:47,021 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:14:47,022 INFO L158 Benchmark]: Toolchain (without parser) took 2929.22ms. Allocated memory is still 203.4MB. Free memory was 153.9MB in the beginning and 118.2MB in the end (delta: 35.7MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. [2023-11-19 03:14:47,022 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 144.7MB. Free memory is still 86.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:14:47,023 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1527.79ms. Allocated memory is still 203.4MB. Free memory was 153.9MB in the beginning and 91.5MB in the end (delta: 62.4MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-11-19 03:14:47,024 INFO L158 Benchmark]: Boogie Procedure Inliner took 129.13ms. Allocated memory is still 203.4MB. Free memory was 91.5MB in the beginning and 170.4MB in the end (delta: -78.9MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2023-11-19 03:14:47,024 INFO L158 Benchmark]: Boogie Preprocessor took 38.29ms. Allocated memory is still 203.4MB. Free memory was 170.4MB in the beginning and 169.5MB in the end (delta: 894.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:14:47,025 INFO L158 Benchmark]: RCFGBuilder took 470.33ms. Allocated memory is still 203.4MB. Free memory was 169.5MB in the beginning and 153.8MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 03:14:47,026 INFO L158 Benchmark]: CodeCheck took 705.44ms. Allocated memory is still 203.4MB. Free memory was 153.8MB in the beginning and 120.3MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-19 03:14:47,026 INFO L158 Benchmark]: Witness Printer took 50.01ms. Allocated memory is still 203.4MB. Free memory was 120.3MB in the beginning and 118.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:14:47,029 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: 0.6s, 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, 7 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 7 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 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: 1571]: 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); [L1561] 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) [L1561] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=12, argc=12, argv={55:56}, argv={55:56}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE190_Integer_Overflow__int_fscanf_multiply_66_bad() [L1551] int data; [L1552] int dataArray[5]; [L1553] data = 0 [L1555] EXPR \read(data) [L1555] dataArray[2] = data [L1556] CALL CWE190_Integer_Overflow__int_fscanf_multiply_66b_badSink(dataArray) [L1568] EXPR dataArray[2] [L1568] int data = dataArray[2]; [L1569] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, dataArray={21395:0}, dataArray={21395:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, dataArray={21395:0}, dataArray={21395:0}, 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 0.33ms. Allocated memory is still 144.7MB. Free memory is still 86.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1527.79ms. Allocated memory is still 203.4MB. Free memory was 153.9MB in the beginning and 91.5MB in the end (delta: 62.4MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 129.13ms. Allocated memory is still 203.4MB. Free memory was 91.5MB in the beginning and 170.4MB in the end (delta: -78.9MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.29ms. Allocated memory is still 203.4MB. Free memory was 170.4MB in the beginning and 169.5MB in the end (delta: 894.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 470.33ms. Allocated memory is still 203.4MB. Free memory was 169.5MB in the beginning and 153.8MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 705.44ms. Allocated memory is still 203.4MB. Free memory was 153.8MB in the beginning and 120.3MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 50.01ms. Allocated memory is still 203.4MB. Free memory was 120.3MB in the beginning and 118.2MB 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! [2023-11-19 03:14:47,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a8c457-75a5-48e6-8682-c5a5db30a703/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)