./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_22_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_a3a22595-1c6d-470d-b7b3-3cbb47d65ef8/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a22595-1c6d-470d-b7b3-3cbb47d65ef8/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_a3a22595-1c6d-470d-b7b3-3cbb47d65ef8/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a22595-1c6d-470d-b7b3-3cbb47d65ef8/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_22_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a22595-1c6d-470d-b7b3-3cbb47d65ef8/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_a3a22595-1c6d-470d-b7b3-3cbb47d65ef8/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 6eed82af7d554aeac57c848eced5bce04045d572bdc3208b06d88ec5a173a95c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:06:43,641 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:06:43,719 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a22595-1c6d-470d-b7b3-3cbb47d65ef8/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 03:06:43,725 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:06:43,726 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:06:43,751 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:06:43,752 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:06:43,753 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:06:43,754 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:06:43,754 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:06:43,755 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:06:43,756 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:06:43,756 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:06:43,757 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:06:43,757 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:06:43,758 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:06:43,758 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:06:43,759 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:06:43,760 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:06:43,760 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:06:43,761 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:06:43,762 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:06:43,762 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:06:43,763 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:06:43,763 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:06:43,764 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:06:43,764 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:06:43,765 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:06:43,765 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:06:43,766 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:06:43,766 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:06:43,767 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:06:43,767 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_a3a22595-1c6d-470d-b7b3-3cbb47d65ef8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a22595-1c6d-470d-b7b3-3cbb47d65ef8/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6eed82af7d554aeac57c848eced5bce04045d572bdc3208b06d88ec5a173a95c [2023-11-19 03:06:44,017 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:06:44,045 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:06:44,048 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:06:44,050 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:06:44,051 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:06:44,052 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a22595-1c6d-470d-b7b3-3cbb47d65ef8/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_22_bad.i [2023-11-19 03:06:47,239 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:06:47,618 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:06:47,619 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a22595-1c6d-470d-b7b3-3cbb47d65ef8/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_22_bad.i [2023-11-19 03:06:47,662 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a22595-1c6d-470d-b7b3-3cbb47d65ef8/bin/ukojak-verify-G8NBE6pJGL/data/8c85b813c/88f528890be54225865b43e3d6b0a914/FLAG50fd0ab8d [2023-11-19 03:06:47,684 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a22595-1c6d-470d-b7b3-3cbb47d65ef8/bin/ukojak-verify-G8NBE6pJGL/data/8c85b813c/88f528890be54225865b43e3d6b0a914 [2023-11-19 03:06:47,690 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:06:47,693 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:06:47,696 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:06:47,696 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:06:47,704 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:06:47,707 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:06:47" (1/1) ... [2023-11-19 03:06:47,709 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23efb470 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:47, skipping insertion in model container [2023-11-19 03:06:47,711 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:06:47" (1/1) ... [2023-11-19 03:06:47,799 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:06:48,210 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:06:48,805 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:06:48,817 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:06:48,839 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:06:48,922 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:06:49,027 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:06:49,028 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:06:49,028 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:06:49,028 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:06:49,028 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:06:49,028 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:06:49,036 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:06:49,037 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:49 WrapperNode [2023-11-19 03:06:49,037 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:06:49,038 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:06:49,038 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:06:49,038 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:06:49,045 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:49" (1/1) ... [2023-11-19 03:06:49,085 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:49" (1/1) ... [2023-11-19 03:06:49,116 INFO L138 Inliner]: procedures = 501, calls = 65, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 60 [2023-11-19 03:06:49,116 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:06:49,117 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:06:49,117 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:06:49,117 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:06:49,127 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:49" (1/1) ... [2023-11-19 03:06:49,128 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:49" (1/1) ... [2023-11-19 03:06:49,131 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:49" (1/1) ... [2023-11-19 03:06:49,132 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:49" (1/1) ... [2023-11-19 03:06:49,139 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:49" (1/1) ... [2023-11-19 03:06:49,141 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:49" (1/1) ... [2023-11-19 03:06:49,144 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:49" (1/1) ... [2023-11-19 03:06:49,145 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:49" (1/1) ... [2023-11-19 03:06:49,149 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:06:49,150 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:06:49,150 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:06:49,150 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:06:49,151 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:49" (1/1) ... [2023-11-19 03:06:49,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:06:49,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a22595-1c6d-470d-b7b3-3cbb47d65ef8/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:06:49,185 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a22595-1c6d-470d-b7b3-3cbb47d65ef8/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:06:49,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a22595-1c6d-470d-b7b3-3cbb47d65ef8/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:06:49,236 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-19 03:06:49,236 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 03:06:49,237 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 03:06:49,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:06:49,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 03:06:49,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:06:49,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:06:49,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:06:49,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:06:49,238 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 03:06:49,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:06:49,434 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:06:49,436 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:06:49,567 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:06:49,602 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:06:49,602 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:06:49,607 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:06:49 BoogieIcfgContainer [2023-11-19 03:06:49,607 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:06:49,608 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:06:49,608 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:06:49,619 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:06:49,619 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:06:49" (1/1) ... [2023-11-19 03:06:49,629 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:06:49,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:49,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-11-19 03:06:49,683 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-11-19 03:06:49,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:06:49,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:49,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:49,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:50,187 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 03:06:50,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:50,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2023-11-19 03:06:50,288 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2023-11-19 03:06:50,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:06:50,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:50,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:50,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:06:50,327 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:06:50,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:06:50,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:06:50,453 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:06:50,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:06:50,500 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-19 03:06:50,544 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post101 could not be translated [2023-11-19 03:06:50,552 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:06:50 ImpRootNode [2023-11-19 03:06:50,552 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:06:50,553 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:06:50,554 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:06:50,556 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:06:50,556 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:06:49" (3/4) ... [2023-11-19 03:06:50,561 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:06:50,562 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:06:50,564 INFO L158 Benchmark]: Toolchain (without parser) took 2870.05ms. Allocated memory is still 201.3MB. Free memory was 149.7MB in the beginning and 121.7MB in the end (delta: 28.0MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. [2023-11-19 03:06:50,564 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 146.8MB. Free memory is still 93.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:06:50,565 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1340.92ms. Allocated memory is still 201.3MB. Free memory was 149.2MB in the beginning and 90.0MB in the end (delta: 59.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2023-11-19 03:06:50,566 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.66ms. Allocated memory is still 201.3MB. Free memory was 89.5MB in the beginning and 86.8MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:06:50,567 INFO L158 Benchmark]: Boogie Preprocessor took 31.88ms. Allocated memory is still 201.3MB. Free memory was 86.8MB in the beginning and 85.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:06:50,568 INFO L158 Benchmark]: RCFGBuilder took 457.53ms. Allocated memory is still 201.3MB. Free memory was 85.3MB in the beginning and 156.4MB in the end (delta: -71.1MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2023-11-19 03:06:50,569 INFO L158 Benchmark]: CodeCheck took 944.15ms. Allocated memory is still 201.3MB. Free memory was 156.4MB in the beginning and 122.6MB in the end (delta: 33.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-19 03:06:50,576 INFO L158 Benchmark]: Witness Printer took 9.13ms. Allocated memory is still 201.3MB. Free memory is still 121.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:06:50,583 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, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14 IncrementalHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 11 mSDtfsCounter, 14 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 20 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 - UnprovableResult [Line: 1582]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558. 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] int CWE190_Integer_Overflow__int_fgets_postinc_22_badGlobal = 0; [L1571] CALL printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_fgets_postinc_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_fgets_postinc_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=13, argc=13, argv={12:18}, argv={12:18}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE190_Integer_Overflow__int_fgets_postinc_22_bad() [L1552] int data; [L1553] data = 0 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] EXPR data = atoi(inputBuffer) [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1554-L1564] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1565] CWE190_Integer_Overflow__int_fgets_postinc_22_badGlobal = 1 [L1566] CALL CWE190_Integer_Overflow__int_fgets_postinc_22_badSink(data) [L1579] COND TRUE \read(CWE190_Integer_Overflow__int_fgets_postinc_22_badGlobal) [L1582] data++ VAL [CWE190_Integer_Overflow__int_fgets_postinc_22_badGlobal=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=2147483647, data=2147483647, 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 0.30ms. Allocated memory is still 146.8MB. Free memory is still 93.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1340.92ms. Allocated memory is still 201.3MB. Free memory was 149.2MB in the beginning and 90.0MB in the end (delta: 59.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.66ms. Allocated memory is still 201.3MB. Free memory was 89.5MB in the beginning and 86.8MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.88ms. Allocated memory is still 201.3MB. Free memory was 86.8MB in the beginning and 85.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 457.53ms. Allocated memory is still 201.3MB. Free memory was 85.3MB in the beginning and 156.4MB in the end (delta: -71.1MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. * CodeCheck took 944.15ms. Allocated memory is still 201.3MB. Free memory was 156.4MB in the beginning and 122.6MB in the end (delta: 33.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 9.13ms. Allocated memory is still 201.3MB. Free memory is still 121.7MB. 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: IdentifierExpression #t~post101 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 [2023-11-19 03:06:50,620 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a22595-1c6d-470d-b7b3-3cbb47d65ef8/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 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_a3a22595-1c6d-470d-b7b3-3cbb47d65ef8/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a22595-1c6d-470d-b7b3-3cbb47d65ef8/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_a3a22595-1c6d-470d-b7b3-3cbb47d65ef8/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a22595-1c6d-470d-b7b3-3cbb47d65ef8/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_22_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a22595-1c6d-470d-b7b3-3cbb47d65ef8/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a22595-1c6d-470d-b7b3-3cbb47d65ef8/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 6eed82af7d554aeac57c848eced5bce04045d572bdc3208b06d88ec5a173a95c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:06:53,267 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:06:53,392 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a22595-1c6d-470d-b7b3-3cbb47d65ef8/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-19 03:06:53,442 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:06:53,444 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:06:53,445 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:06:53,446 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:06:53,447 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:06:53,448 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:06:53,454 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:06:53,454 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:06:53,455 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:06:53,455 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:06:53,457 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:06:53,458 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:06:53,458 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:06:53,458 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:06:53,459 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:06:53,459 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:06:53,460 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:06:53,460 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:06:53,462 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:06:53,462 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:06:53,463 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:06:53,463 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:06:53,463 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:06:53,464 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:06:53,465 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:06:53,465 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:06:53,466 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:06:53,467 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:06:53,467 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:06:53,468 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:06:53,468 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:06:53,469 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:06:53,469 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:06:53,469 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_a3a22595-1c6d-470d-b7b3-3cbb47d65ef8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a22595-1c6d-470d-b7b3-3cbb47d65ef8/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6eed82af7d554aeac57c848eced5bce04045d572bdc3208b06d88ec5a173a95c [2023-11-19 03:06:53,917 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:06:53,946 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:06:53,949 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:06:53,951 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:06:53,952 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:06:53,953 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a22595-1c6d-470d-b7b3-3cbb47d65ef8/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_22_bad.i [2023-11-19 03:06:57,095 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:06:57,579 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:06:57,579 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a22595-1c6d-470d-b7b3-3cbb47d65ef8/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_22_bad.i [2023-11-19 03:06:57,614 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a22595-1c6d-470d-b7b3-3cbb47d65ef8/bin/ukojak-verify-G8NBE6pJGL/data/43fd2258b/bfe0ce6975334500946d15eab0e867a8/FLAGcc0d578ee [2023-11-19 03:06:57,633 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a22595-1c6d-470d-b7b3-3cbb47d65ef8/bin/ukojak-verify-G8NBE6pJGL/data/43fd2258b/bfe0ce6975334500946d15eab0e867a8 [2023-11-19 03:06:57,639 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:06:57,640 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:06:57,644 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:06:57,645 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:06:57,650 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:06:57,651 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:06:57" (1/1) ... [2023-11-19 03:06:57,652 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b24695e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:57, skipping insertion in model container [2023-11-19 03:06:57,653 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:06:57" (1/1) ... [2023-11-19 03:06:57,746 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:06:58,308 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:06:58,779 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:06:58,794 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:06:58,814 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:06:58,876 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:06:59,021 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:06:59,022 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:06:59,022 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:06:59,022 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:06:59,022 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:06:59,023 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:06:59,031 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:06:59,031 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:59 WrapperNode [2023-11-19 03:06:59,031 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:06:59,032 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:06:59,033 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:06:59,033 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:06:59,041 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:59" (1/1) ... [2023-11-19 03:06:59,075 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:59" (1/1) ... [2023-11-19 03:06:59,101 INFO L138 Inliner]: procedures = 506, calls = 65, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 59 [2023-11-19 03:06:59,102 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:06:59,103 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:06:59,103 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:06:59,103 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:06:59,113 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:59" (1/1) ... [2023-11-19 03:06:59,113 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:59" (1/1) ... [2023-11-19 03:06:59,118 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:59" (1/1) ... [2023-11-19 03:06:59,119 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:59" (1/1) ... [2023-11-19 03:06:59,129 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:59" (1/1) ... [2023-11-19 03:06:59,130 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:59" (1/1) ... [2023-11-19 03:06:59,134 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:59" (1/1) ... [2023-11-19 03:06:59,136 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:59" (1/1) ... [2023-11-19 03:06:59,141 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:06:59,142 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:06:59,142 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:06:59,142 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:06:59,143 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:59" (1/1) ... [2023-11-19 03:06:59,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:06:59,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a22595-1c6d-470d-b7b3-3cbb47d65ef8/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:06:59,184 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a22595-1c6d-470d-b7b3-3cbb47d65ef8/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:06:59,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a22595-1c6d-470d-b7b3-3cbb47d65ef8/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:06:59,220 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-19 03:06:59,220 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 03:06:59,220 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 03:06:59,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:06:59,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:06:59,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:06:59,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:06:59,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:06:59,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:06:59,222 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 03:06:59,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-19 03:06:59,442 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:06:59,445 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:06:59,672 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:06:59,739 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:06:59,739 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:06:59,744 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:06:59 BoogieIcfgContainer [2023-11-19 03:06:59,745 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:06:59,746 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:06:59,747 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:06:59,757 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:06:59,758 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:06:59" (1/1) ... [2023-11-19 03:06:59,769 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:06:59,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:59,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-11-19 03:06:59,843 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-11-19 03:06:59,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:06:59,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:59,850 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:06:59,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a22595-1c6d-470d-b7b3-3cbb47d65ef8/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:06:59,852 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a22595-1c6d-470d-b7b3-3cbb47d65ef8/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:06:59,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a22595-1c6d-470d-b7b3-3cbb47d65ef8/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:06:59,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:59,995 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:07:00,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:00,033 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:07:00,037 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:07:00,059 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 03:07:00,062 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a22595-1c6d-470d-b7b3-3cbb47d65ef8/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:07:00,069 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a22595-1c6d-470d-b7b3-3cbb47d65ef8/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 03:07:00,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:00,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2023-11-19 03:07:00,095 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2023-11-19 03:07:00,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:07:00,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:00,097 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:07:00,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a22595-1c6d-470d-b7b3-3cbb47d65ef8/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:07:00,100 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a22595-1c6d-470d-b7b3-3cbb47d65ef8/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:07:00,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a22595-1c6d-470d-b7b3-3cbb47d65ef8/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 03:07:00,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:07:00,325 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:07:00,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:07:00,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:07:00,529 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:07:00,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:07:00,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a22595-1c6d-470d-b7b3-3cbb47d65ef8/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-19 03:07:00,602 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-19 03:07:00,631 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post99 could not be translated [2023-11-19 03:07:00,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:07:00 ImpRootNode [2023-11-19 03:07:00,636 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:07:00,637 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:07:00,637 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:07:00,638 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:07:00,638 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:06:59" (3/4) ... [2023-11-19 03:07:00,640 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:07:00,641 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:07:00,643 INFO L158 Benchmark]: Toolchain (without parser) took 3002.13ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 51.2MB in the beginning and 58.4MB in the end (delta: -7.2MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2023-11-19 03:07:00,643 INFO L158 Benchmark]: CDTParser took 0.63ms. Allocated memory is still 65.0MB. Free memory is still 40.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:07:00,644 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1387.72ms. Allocated memory is still 79.7MB. Free memory was 51.0MB in the beginning and 44.1MB in the end (delta: 6.9MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. [2023-11-19 03:07:00,645 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.86ms. Allocated memory is still 79.7MB. Free memory was 44.1MB in the beginning and 41.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:07:00,645 INFO L158 Benchmark]: Boogie Preprocessor took 38.02ms. Allocated memory is still 79.7MB. Free memory was 41.0MB in the beginning and 39.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:07:00,646 INFO L158 Benchmark]: RCFGBuilder took 603.35ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 38.9MB in the beginning and 58.5MB in the end (delta: -19.6MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2023-11-19 03:07:00,647 INFO L158 Benchmark]: CodeCheck took 890.30ms. Allocated memory is still 96.5MB. Free memory was 58.5MB in the beginning and 58.9MB in the end (delta: -359.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:07:00,647 INFO L158 Benchmark]: Witness Printer took 4.49ms. Allocated memory is still 96.5MB. Free memory was 58.9MB in the beginning and 58.4MB in the end (delta: 492.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:07:00,651 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, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 13 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, 13 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 69 ConjunctsInSsa, 1 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 - UnprovableResult [Line: 1582]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558. 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] int CWE190_Integer_Overflow__int_fgets_postinc_22_badGlobal = 0; [L1571] CALL printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_fgets_postinc_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_fgets_postinc_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=0, argc=0, argv={0:0}, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE190_Integer_Overflow__int_fgets_postinc_22_bad() [L1552] int data; [L1553] data = 0 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] EXPR data = atoi(inputBuffer) [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1554-L1564] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1565] CWE190_Integer_Overflow__int_fgets_postinc_22_badGlobal = 1 [L1566] CALL CWE190_Integer_Overflow__int_fgets_postinc_22_badSink(data) [L1579] COND TRUE \read(CWE190_Integer_Overflow__int_fgets_postinc_22_badGlobal) [L1582] data++ VAL [CWE190_Integer_Overflow__int_fgets_postinc_22_badGlobal=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=2147483647, data=2147483647, 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 0.63ms. Allocated memory is still 65.0MB. Free memory is still 40.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1387.72ms. Allocated memory is still 79.7MB. Free memory was 51.0MB in the beginning and 44.1MB in the end (delta: 6.9MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.86ms. Allocated memory is still 79.7MB. Free memory was 44.1MB in the beginning and 41.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.02ms. Allocated memory is still 79.7MB. Free memory was 41.0MB in the beginning and 39.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 603.35ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 38.9MB in the beginning and 58.5MB in the end (delta: -19.6MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. * CodeCheck took 890.30ms. Allocated memory is still 96.5MB. Free memory was 58.5MB in the beginning and 58.9MB in the end (delta: -359.7kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.49ms. Allocated memory is still 96.5MB. Free memory was 58.9MB in the beginning and 58.4MB in the end (delta: 492.1kB). 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: IdentifierExpression #t~post99 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 [2023-11-19 03:07:00,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a22595-1c6d-470d-b7b3-3cbb47d65ef8/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 Result: UNKNOWN: Overapproximated counterexample