./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_63_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_97816651-3d1c-4bee-aef6-81abf22d4732/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97816651-3d1c-4bee-aef6-81abf22d4732/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97816651-3d1c-4bee-aef6-81abf22d4732/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97816651-3d1c-4bee-aef6-81abf22d4732/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97816651-3d1c-4bee-aef6-81abf22d4732/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97816651-3d1c-4bee-aef6-81abf22d4732/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --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 a7cfceb607367ceb5ddc9da4b4b337a554f2ce50f021f91119f80bf80cdbfb52 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 22:03:43,124 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:03:43,126 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:03:43,146 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:03:43,154 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:03:43,158 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:03:43,164 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:03:43,168 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:03:43,170 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:03:43,176 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:03:43,177 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:03:43,179 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:03:43,180 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:03:43,182 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:03:43,184 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:03:43,186 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:03:43,189 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:03:43,190 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:03:43,192 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:03:43,198 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:03:43,200 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:03:43,203 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:03:43,204 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:03:43,205 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:03:43,213 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:03:43,215 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:03:43,215 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:03:43,217 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:03:43,218 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:03:43,220 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:03:43,221 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:03:43,222 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:03:43,224 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:03:43,225 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:03:43,228 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:03:43,229 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:03:43,229 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:03:43,230 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:03:43,230 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:03:43,232 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:03:43,233 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:03:43,233 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97816651-3d1c-4bee-aef6-81abf22d4732/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 22:03:43,272 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:03:43,272 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:03:43,274 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:03:43,274 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:03:43,275 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:03:43,276 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:03:43,276 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:03:43,276 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:03:43,277 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:03:43,277 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:03:43,278 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:03:43,278 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:03:43,279 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:03:43,279 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:03:43,279 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:03:43,279 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:03:43,280 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:03:43,280 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:03:43,280 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:03:43,280 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:03:43,281 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:03:43,281 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:03:43,281 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:03:43,281 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:03:43,282 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:03:43,282 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:03:43,282 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:03:43,283 INFO L138 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_97816651-3d1c-4bee-aef6-81abf22d4732/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97816651-3d1c-4bee-aef6-81abf22d4732/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7cfceb607367ceb5ddc9da4b4b337a554f2ce50f021f91119f80bf80cdbfb52 [2022-11-21 22:03:43,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:03:43,682 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:03:43,684 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:03:43,686 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:03:43,687 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:03:43,688 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97816651-3d1c-4bee-aef6-81abf22d4732/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_63_bad.i [2022-11-21 22:03:46,983 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:03:47,501 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:03:47,501 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97816651-3d1c-4bee-aef6-81abf22d4732/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_63_bad.i [2022-11-21 22:03:47,537 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97816651-3d1c-4bee-aef6-81abf22d4732/bin/ukojak-jW3SillKbg/data/1395a1833/9231e9475f964d589e077b0776889b74/FLAG6b2190bcc [2022-11-21 22:03:47,562 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97816651-3d1c-4bee-aef6-81abf22d4732/bin/ukojak-jW3SillKbg/data/1395a1833/9231e9475f964d589e077b0776889b74 [2022-11-21 22:03:47,567 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:03:47,569 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:03:47,573 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:03:47,573 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:03:47,577 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:03:47,578 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:03:47" (1/1) ... [2022-11-21 22:03:47,579 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7304970a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:47, skipping insertion in model container [2022-11-21 22:03:47,579 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:03:47" (1/1) ... [2022-11-21 22:03:47,587 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:03:47,666 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:03:48,149 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 22:03:48,679 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:03:48,691 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:03:48,712 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 22:03:48,788 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:03:48,913 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:03:48,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:48 WrapperNode [2022-11-21 22:03:48,914 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:03:48,915 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:03:48,915 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:03:48,916 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:03:48,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:48" (1/1) ... [2022-11-21 22:03:48,956 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:48" (1/1) ... [2022-11-21 22:03:48,982 INFO L138 Inliner]: procedures = 501, calls = 68, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 58 [2022-11-21 22:03:48,983 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:03:48,984 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:03:48,984 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:03:48,984 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:03:48,995 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:48" (1/1) ... [2022-11-21 22:03:48,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:48" (1/1) ... [2022-11-21 22:03:48,999 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:48" (1/1) ... [2022-11-21 22:03:48,999 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:48" (1/1) ... [2022-11-21 22:03:49,006 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:48" (1/1) ... [2022-11-21 22:03:49,008 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:48" (1/1) ... [2022-11-21 22:03:49,010 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:48" (1/1) ... [2022-11-21 22:03:49,012 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:48" (1/1) ... [2022-11-21 22:03:49,015 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:03:49,016 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:03:49,016 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:03:49,016 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:03:49,017 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:48" (1/1) ... [2022-11-21 22:03:49,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:03:49,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97816651-3d1c-4bee-aef6-81abf22d4732/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:03:49,069 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97816651-3d1c-4bee-aef6-81abf22d4732/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:03:49,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97816651-3d1c-4bee-aef6-81abf22d4732/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:03:49,126 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-21 22:03:49,126 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 22:03:49,127 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 22:03:49,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 22:03:49,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 22:03:49,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 22:03:49,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 22:03:49,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:03:49,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:03:49,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 22:03:49,131 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 22:03:49,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 22:03:49,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 22:03:49,328 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:03:49,331 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:03:49,534 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:03:49,588 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:03:49,589 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 22:03:49,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:03:49 BoogieIcfgContainer [2022-11-21 22:03:49,592 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:03:49,594 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:03:49,594 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:03:49,607 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:03:49,607 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:03:49" (1/1) ... [2022-11-21 22:03:49,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 22:03:49,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:03:49,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2022-11-21 22:03:49,707 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2022-11-21 22:03:49,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 22:03:49,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:03:49,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:03:49,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:03:50,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:03:50,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:03:50,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2022-11-21 22:03:50,474 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2022-11-21 22:03:50,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-21 22:03:50,475 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:03:50,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:03:50,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 22:03:50,508 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 22:03:50,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 22:03:50,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 22:03:50,617 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 22:03:50,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 22:03:50,667 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2022-11-21 22:03:50,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 10:03:50 ImpRootNode [2022-11-21 22:03:50,705 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 22:03:50,707 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 22:03:50,708 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 22:03:50,709 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 22:03:50,710 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:03:49" (3/4) ... [2022-11-21 22:03:50,715 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-21 22:03:50,715 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 22:03:50,717 INFO L158 Benchmark]: Toolchain (without parser) took 3146.81ms. Allocated memory is still 153.1MB. Free memory was 124.0MB in the beginning and 76.7MB in the end (delta: 47.3MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. [2022-11-21 22:03:50,717 INFO L158 Benchmark]: CDTParser took 0.59ms. Allocated memory is still 117.4MB. Free memory is still 85.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:03:50,719 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1341.55ms. Allocated memory is still 153.1MB. Free memory was 123.4MB in the beginning and 64.6MB in the end (delta: 58.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2022-11-21 22:03:50,720 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.11ms. Allocated memory is still 153.1MB. Free memory was 64.6MB in the beginning and 61.2MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:03:50,721 INFO L158 Benchmark]: Boogie Preprocessor took 31.08ms. Allocated memory is still 153.1MB. Free memory was 61.2MB in the beginning and 59.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:03:50,722 INFO L158 Benchmark]: RCFGBuilder took 577.03ms. Allocated memory is still 153.1MB. Free memory was 59.8MB in the beginning and 44.5MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 22:03:50,724 INFO L158 Benchmark]: CodeCheck took 1112.15ms. Allocated memory is still 153.1MB. Free memory was 44.5MB in the beginning and 76.7MB in the end (delta: -32.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:03:50,728 INFO L158 Benchmark]: Witness Printer took 8.67ms. Allocated memory is still 153.1MB. Free memory is still 76.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:03:50,731 INFO L339 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, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 9 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 4 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, 0.5s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 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: 1578]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1557. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [\old(argc)=77, argc=77, argv={76:12}, argv={76:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE191_Integer_Underflow__int_fgets_sub_63_bad() [L1551] int data; [L1552] data = 0 [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1555] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1557] data = atoi(inputBuffer) [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1564] CALL CWE191_Integer_Underflow__int_fgets_sub_63b_badSink(&data) [L1576] EXPR \read(*dataPtr) [L1576] int data = *dataPtr; [L1578] data - 1 VAL [data=-2147483648, dataPtr={3000:0}, dataPtr={3000:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, 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 0.59ms. Allocated memory is still 117.4MB. Free memory is still 85.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1341.55ms. Allocated memory is still 153.1MB. Free memory was 123.4MB in the beginning and 64.6MB in the end (delta: 58.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.11ms. Allocated memory is still 153.1MB. Free memory was 64.6MB in the beginning and 61.2MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.08ms. Allocated memory is still 153.1MB. Free memory was 61.2MB in the beginning and 59.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 577.03ms. Allocated memory is still 153.1MB. Free memory was 59.8MB in the beginning and 44.5MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 1112.15ms. Allocated memory is still 153.1MB. Free memory was 44.5MB in the beginning and 76.7MB in the end (delta: -32.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.67ms. Allocated memory is still 153.1MB. Free memory is still 76.7MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-21 22:03:50,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97816651-3d1c-4bee-aef6-81abf22d4732/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_97816651-3d1c-4bee-aef6-81abf22d4732/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97816651-3d1c-4bee-aef6-81abf22d4732/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97816651-3d1c-4bee-aef6-81abf22d4732/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97816651-3d1c-4bee-aef6-81abf22d4732/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97816651-3d1c-4bee-aef6-81abf22d4732/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97816651-3d1c-4bee-aef6-81abf22d4732/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --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 a7cfceb607367ceb5ddc9da4b4b337a554f2ce50f021f91119f80bf80cdbfb52 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 22:03:53,381 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:03:53,386 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:03:53,425 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:03:53,426 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:03:53,430 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:03:53,433 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:03:53,437 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:03:53,439 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:03:53,448 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:03:53,450 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:03:53,452 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:03:53,453 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:03:53,456 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:03:53,458 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:03:53,465 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:03:53,466 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:03:53,467 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:03:53,468 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:03:53,470 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:03:53,472 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:03:53,476 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:03:53,477 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:03:53,478 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:03:53,492 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:03:53,493 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:03:53,493 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:03:53,495 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:03:53,496 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:03:53,497 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:03:53,497 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:03:53,498 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:03:53,500 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:03:53,501 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:03:53,509 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:03:53,509 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:03:53,510 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:03:53,511 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:03:53,511 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:03:53,512 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:03:53,513 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:03:53,514 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97816651-3d1c-4bee-aef6-81abf22d4732/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2022-11-21 22:03:53,557 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:03:53,557 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:03:53,560 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:03:53,560 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:03:53,561 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:03:53,562 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:03:53,562 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:03:53,562 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:03:53,562 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:03:53,563 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:03:53,564 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:03:53,564 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:03:53,564 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 22:03:53,565 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 22:03:53,565 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:03:53,565 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 22:03:53,565 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:03:53,565 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:03:53,566 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:03:53,566 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:03:53,566 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:03:53,566 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:03:53,567 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:03:53,567 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:03:53,567 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:03:53,567 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:03:53,568 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-21 22:03:53,568 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 22:03:53,568 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:03:53,568 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-21 22:03:53,568 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 22:03:53,569 INFO L138 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_97816651-3d1c-4bee-aef6-81abf22d4732/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97816651-3d1c-4bee-aef6-81abf22d4732/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7cfceb607367ceb5ddc9da4b4b337a554f2ce50f021f91119f80bf80cdbfb52 [2022-11-21 22:03:53,964 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:03:54,002 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:03:54,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:03:54,007 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:03:54,008 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:03:54,009 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97816651-3d1c-4bee-aef6-81abf22d4732/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_63_bad.i [2022-11-21 22:03:57,296 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:03:57,773 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:03:57,773 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97816651-3d1c-4bee-aef6-81abf22d4732/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_63_bad.i [2022-11-21 22:03:57,806 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97816651-3d1c-4bee-aef6-81abf22d4732/bin/ukojak-jW3SillKbg/data/5cf393d7a/274f41729fc5467394a5b62f38a3bdc5/FLAGa74d4bd7b [2022-11-21 22:03:57,839 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97816651-3d1c-4bee-aef6-81abf22d4732/bin/ukojak-jW3SillKbg/data/5cf393d7a/274f41729fc5467394a5b62f38a3bdc5 [2022-11-21 22:03:57,842 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:03:57,843 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:03:57,848 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:03:57,848 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:03:57,852 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:03:57,853 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:03:57" (1/1) ... [2022-11-21 22:03:57,858 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72c47d7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:57, skipping insertion in model container [2022-11-21 22:03:57,859 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:03:57" (1/1) ... [2022-11-21 22:03:57,867 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:03:57,966 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:03:58,382 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 22:03:58,695 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented. at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitvectorTranslation.constructOverflowCheckForBinaryBitwiseIntegerExpression(BitvectorTranslation.java:1570) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.addIntegerBoundsCheck(CExpressionTranslator.java:1060) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.handleBitshiftOperation(CExpressionTranslator.java:430) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:834) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:727) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1126) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.TypeHandler.visit(TypeHandler.java:357) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:177) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:143) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-21 22:03:58,707 INFO L158 Benchmark]: Toolchain (without parser) took 862.70ms. Allocated memory was 62.9MB in the beginning and 79.7MB in the end (delta: 16.8MB). Free memory was 30.0MB in the beginning and 48.3MB in the end (delta: -18.3MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2022-11-21 22:03:58,710 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 62.9MB. Free memory was 41.2MB in the beginning and 41.1MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:03:58,712 INFO L158 Benchmark]: CACSL2BoogieTranslator took 856.93ms. Allocated memory was 62.9MB in the beginning and 79.7MB in the end (delta: 16.8MB). Free memory was 29.9MB in the beginning and 48.3MB in the end (delta: -18.4MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2022-11-21 22:03:58,714 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 62.9MB. Free memory was 41.2MB in the beginning and 41.1MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 856.93ms. Allocated memory was 62.9MB in the beginning and 79.7MB in the end (delta: 16.8MB). Free memory was 29.9MB in the beginning and 48.3MB in the end (delta: -18.4MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented.: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitvectorTranslation.constructOverflowCheckForBinaryBitwiseIntegerExpression(BitvectorTranslation.java:1570) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented.