./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_13_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_89e93c3a-2826-4e48-9619-24071f6ffe9e/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e93c3a-2826-4e48-9619-24071f6ffe9e/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e93c3a-2826-4e48-9619-24071f6ffe9e/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e93c3a-2826-4e48-9619-24071f6ffe9e/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_13_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e93c3a-2826-4e48-9619-24071f6ffe9e/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e93c3a-2826-4e48-9619-24071f6ffe9e/bin/ukojak-rkRKPMF4O4 --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 fbdc6bd5b0e7433cf0a468ec233a0286358ba240a2ea85c7326613015494fa60 --- 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-2329fc7 [2022-12-14 22:43:02,218 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 22:43:02,220 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 22:43:02,239 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 22:43:02,239 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 22:43:02,240 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 22:43:02,242 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 22:43:02,243 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 22:43:02,245 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 22:43:02,245 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 22:43:02,246 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 22:43:02,247 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 22:43:02,248 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 22:43:02,249 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 22:43:02,250 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 22:43:02,251 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 22:43:02,252 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 22:43:02,252 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 22:43:02,253 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 22:43:02,254 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 22:43:02,255 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 22:43:02,256 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 22:43:02,257 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 22:43:02,258 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 22:43:02,274 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 22:43:02,275 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 22:43:02,275 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 22:43:02,276 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 22:43:02,276 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 22:43:02,277 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 22:43:02,277 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 22:43:02,278 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 22:43:02,278 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 22:43:02,278 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 22:43:02,279 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 22:43:02,279 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 22:43:02,280 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 22:43:02,280 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 22:43:02,280 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 22:43:02,280 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 22:43:02,281 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 22:43:02,281 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e93c3a-2826-4e48-9619-24071f6ffe9e/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-14 22:43:02,312 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 22:43:02,313 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 22:43:02,313 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 22:43:02,313 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 22:43:02,314 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 22:43:02,314 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 22:43:02,314 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 22:43:02,314 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 22:43:02,314 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 22:43:02,325 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 22:43:02,325 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 22:43:02,325 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 22:43:02,325 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 22:43:02,325 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 22:43:02,325 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 22:43:02,326 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 22:43:02,326 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 22:43:02,326 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 22:43:02,326 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 22:43:02,326 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 22:43:02,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:43:02,326 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 22:43:02,326 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 22:43:02,326 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 22:43:02,326 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 22:43:02,327 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 22:43:02,327 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 22:43:02,327 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_89e93c3a-2826-4e48-9619-24071f6ffe9e/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e93c3a-2826-4e48-9619-24071f6ffe9e/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fbdc6bd5b0e7433cf0a468ec233a0286358ba240a2ea85c7326613015494fa60 [2022-12-14 22:43:02,489 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 22:43:02,507 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 22:43:02,509 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 22:43:02,510 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 22:43:02,510 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 22:43:02,511 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e93c3a-2826-4e48-9619-24071f6ffe9e/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_13_bad.i [2022-12-14 22:43:05,127 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 22:43:05,420 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 22:43:05,420 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e93c3a-2826-4e48-9619-24071f6ffe9e/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_13_bad.i [2022-12-14 22:43:05,441 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e93c3a-2826-4e48-9619-24071f6ffe9e/bin/ukojak-rkRKPMF4O4/data/219876a51/db03eef63aa04e3f9898ee3d643d9271/FLAG298059f73 [2022-12-14 22:43:05,455 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e93c3a-2826-4e48-9619-24071f6ffe9e/bin/ukojak-rkRKPMF4O4/data/219876a51/db03eef63aa04e3f9898ee3d643d9271 [2022-12-14 22:43:05,457 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 22:43:05,458 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 22:43:05,460 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 22:43:05,460 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 22:43:05,463 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 22:43:05,463 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:43:05" (1/1) ... [2022-12-14 22:43:05,464 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21224fa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:43:05, skipping insertion in model container [2022-12-14 22:43:05,464 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:43:05" (1/1) ... [2022-12-14 22:43:05,472 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 22:43:05,520 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 22:43:05,802 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 22:43:06,117 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 22:43:06,123 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 22:43:06,125 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 22:43:06,127 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 22:43:06,128 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 22:43:06,154 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 22:43:06,155 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:43:06,165 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 22:43:06,181 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 22:43:06,228 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 22:43:06,229 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 22:43:06,230 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 22:43:06,231 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 22:43:06,232 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 22:43:06,235 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 22:43:06,235 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:43:06,303 INFO L208 MainTranslator]: Completed translation [2022-12-14 22:43:06,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:43:06 WrapperNode [2022-12-14 22:43:06,304 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 22:43:06,304 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 22:43:06,304 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 22:43:06,304 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 22:43:06,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:43:06" (1/1) ... [2022-12-14 22:43:06,324 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:43:06" (1/1) ... [2022-12-14 22:43:06,338 INFO L138 Inliner]: procedures = 499, calls = 61, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 49 [2022-12-14 22:43:06,339 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 22:43:06,339 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 22:43:06,339 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 22:43:06,339 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 22:43:06,346 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:43:06" (1/1) ... [2022-12-14 22:43:06,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:43:06" (1/1) ... [2022-12-14 22:43:06,348 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:43:06" (1/1) ... [2022-12-14 22:43:06,348 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:43:06" (1/1) ... [2022-12-14 22:43:06,352 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:43:06" (1/1) ... [2022-12-14 22:43:06,353 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:43:06" (1/1) ... [2022-12-14 22:43:06,354 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:43:06" (1/1) ... [2022-12-14 22:43:06,355 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:43:06" (1/1) ... [2022-12-14 22:43:06,356 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 22:43:06,357 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 22:43:06,357 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 22:43:06,357 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 22:43:06,357 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:43:06" (1/1) ... [2022-12-14 22:43:06,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:43:06,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e93c3a-2826-4e48-9619-24071f6ffe9e/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 22:43:06,381 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e93c3a-2826-4e48-9619-24071f6ffe9e/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 22:43:06,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e93c3a-2826-4e48-9619-24071f6ffe9e/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 22:43:06,407 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 22:43:06,407 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 22:43:06,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 22:43:06,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 22:43:06,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 22:43:06,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 22:43:06,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 22:43:06,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 22:43:06,408 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 22:43:06,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 22:43:06,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 22:43:06,522 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 22:43:06,524 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 22:43:06,606 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 22:43:06,638 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 22:43:06,638 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 22:43:06,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:43:06 BoogieIcfgContainer [2022-12-14 22:43:06,640 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 22:43:06,640 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 22:43:06,641 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 22:43:06,648 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 22:43:06,648 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:43:06" (1/1) ... [2022-12-14 22:43:06,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 22:43:06,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:43:06,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2022-12-14 22:43:06,691 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-12-14 22:43:06,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 22:43:06,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:43:06,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:43:06,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 22:43:06,811 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 22:43:06,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 22:43:06,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 22:43:06,889 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 22:43:06,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 22:43:06,916 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2022-12-14 22:43:06,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 10:43:06 ImpRootNode [2022-12-14 22:43:06,939 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 22:43:06,940 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 22:43:06,940 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 22:43:06,940 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 22:43:06,941 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:43:06" (3/4) ... [2022-12-14 22:43:06,942 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 22:43:06,978 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e93c3a-2826-4e48-9619-24071f6ffe9e/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 22:43:06,978 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 22:43:06,979 INFO L158 Benchmark]: Toolchain (without parser) took 1520.68ms. Allocated memory is still 226.5MB. Free memory was 161.5MB in the beginning and 178.4MB in the end (delta: -16.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 22:43:06,980 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 113.2MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 22:43:06,980 INFO L158 Benchmark]: CACSL2BoogieTranslator took 844.17ms. Allocated memory is still 226.5MB. Free memory was 161.4MB in the beginning and 156.3MB in the end (delta: 5.1MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. [2022-12-14 22:43:06,981 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.66ms. Allocated memory is still 226.5MB. Free memory was 156.3MB in the beginning and 152.7MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 22:43:06,981 INFO L158 Benchmark]: Boogie Preprocessor took 17.18ms. Allocated memory is still 226.5MB. Free memory was 152.7MB in the beginning and 151.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 22:43:06,982 INFO L158 Benchmark]: RCFGBuilder took 283.16ms. Allocated memory is still 226.5MB. Free memory was 151.6MB in the beginning and 136.8MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 22:43:06,982 INFO L158 Benchmark]: CodeCheck took 298.70ms. Allocated memory is still 226.5MB. Free memory was 136.8MB in the beginning and 180.4MB in the end (delta: -43.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 22:43:06,983 INFO L158 Benchmark]: Witness Printer took 38.66ms. Allocated memory is still 226.5MB. Free memory was 180.4MB in the beginning and 178.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 22:43:06,986 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 1559]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [\old(argc)=18, argc=18, argv={16:13}, argv={16:13}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_fscanf_postdec_13_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE GLOBAL_CONST_FIVE==5 [L1556] COND TRUE GLOBAL_CONST_FIVE==5 [L1559] EXPR \read(data) [L1559] data-- VAL [\read(data)=-2147483648, data={11799:0}, data--=-2147483648, 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 0.12ms. Allocated memory is still 113.2MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 844.17ms. Allocated memory is still 226.5MB. Free memory was 161.4MB in the beginning and 156.3MB in the end (delta: 5.1MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.66ms. Allocated memory is still 226.5MB. Free memory was 156.3MB in the beginning and 152.7MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.18ms. Allocated memory is still 226.5MB. Free memory was 152.7MB in the beginning and 151.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 283.16ms. Allocated memory is still 226.5MB. Free memory was 151.6MB in the beginning and 136.8MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 298.70ms. Allocated memory is still 226.5MB. Free memory was 136.8MB in the beginning and 180.4MB in the end (delta: -43.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 38.66ms. Allocated memory is still 226.5MB. Free memory was 180.4MB in the beginning and 178.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-12-14 22:43:07,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e93c3a-2826-4e48-9619-24071f6ffe9e/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)