./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_03_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_15da5105-6d0b-4790-aaa5-98cd4e8ff14e/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15da5105-6d0b-4790-aaa5-98cd4e8ff14e/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15da5105-6d0b-4790-aaa5-98cd4e8ff14e/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15da5105-6d0b-4790-aaa5-98cd4e8ff14e/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_03_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15da5105-6d0b-4790-aaa5-98cd4e8ff14e/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15da5105-6d0b-4790-aaa5-98cd4e8ff14e/bin/ukojak-pZX7IvK2PQ --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 02f0093e8608d74f9c40a937fb4441e30f3654c13a2096bc11c8fc7cd6eaa3c8 --- 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-6b4ec56 [2022-11-20 18:16:06,173 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:16:06,175 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:16:06,204 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:16:06,204 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:16:06,205 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:16:06,207 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:16:06,209 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:16:06,211 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:16:06,212 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:16:06,218 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:16:06,223 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:16:06,223 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:16:06,230 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:16:06,233 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:16:06,236 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:16:06,238 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:16:06,240 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:16:06,242 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:16:06,249 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:16:06,251 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:16:06,254 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:16:06,256 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:16:06,257 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:16:06,267 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:16:06,268 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:16:06,268 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:16:06,269 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:16:06,269 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:16:06,270 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:16:06,271 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:16:06,272 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:16:06,272 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:16:06,273 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:16:06,274 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:16:06,275 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:16:06,275 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:16:06,276 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:16:06,276 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:16:06,277 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:16:06,281 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:16:06,283 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15da5105-6d0b-4790-aaa5-98cd4e8ff14e/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 18:16:06,330 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:16:06,330 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:16:06,332 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:16:06,332 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:16:06,333 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:16:06,333 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:16:06,333 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:16:06,333 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:16:06,334 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:16:06,334 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:16:06,335 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:16:06,335 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:16:06,335 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:16:06,336 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 18:16:06,336 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:16:06,336 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:16:06,336 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:16:06,336 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:16:06,337 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:16:06,337 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:16:06,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:16:06,337 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:16:06,338 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:16:06,338 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:16:06,338 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 18:16:06,338 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:16:06,338 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:16:06,339 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_15da5105-6d0b-4790-aaa5-98cd4e8ff14e/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15da5105-6d0b-4790-aaa5-98cd4e8ff14e/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02f0093e8608d74f9c40a937fb4441e30f3654c13a2096bc11c8fc7cd6eaa3c8 [2022-11-20 18:16:06,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:16:06,677 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:16:06,680 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:16:06,681 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:16:06,682 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:16:06,683 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15da5105-6d0b-4790-aaa5-98cd4e8ff14e/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_03_bad.i [2022-11-20 18:16:09,770 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:16:10,121 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:16:10,122 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15da5105-6d0b-4790-aaa5-98cd4e8ff14e/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_03_bad.i [2022-11-20 18:16:10,142 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15da5105-6d0b-4790-aaa5-98cd4e8ff14e/bin/ukojak-pZX7IvK2PQ/data/664855782/dcfca87e3f5d49b5b28cdda9c249d5b9/FLAGb47e45817 [2022-11-20 18:16:10,160 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15da5105-6d0b-4790-aaa5-98cd4e8ff14e/bin/ukojak-pZX7IvK2PQ/data/664855782/dcfca87e3f5d49b5b28cdda9c249d5b9 [2022-11-20 18:16:10,163 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:16:10,165 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:16:10,167 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:16:10,168 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:16:10,171 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:16:10,172 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:16:10" (1/1) ... [2022-11-20 18:16:10,173 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c8b4905 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:16:10, skipping insertion in model container [2022-11-20 18:16:10,174 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:16:10" (1/1) ... [2022-11-20 18:16:10,182 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:16:10,255 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:16:10,616 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 18:16:11,161 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:16:11,172 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:16:11,194 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 18:16:11,269 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:16:11,459 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:16:11,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:16:11 WrapperNode [2022-11-20 18:16:11,461 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:16:11,462 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:16:11,463 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:16:11,463 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:16:11,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:16:11" (1/1) ... [2022-11-20 18:16:11,521 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:16:11" (1/1) ... [2022-11-20 18:16:11,543 INFO L138 Inliner]: procedures = 500, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2022-11-20 18:16:11,544 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:16:11,545 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:16:11,545 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:16:11,545 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:16:11,555 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:16:11" (1/1) ... [2022-11-20 18:16:11,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:16:11" (1/1) ... [2022-11-20 18:16:11,558 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:16:11" (1/1) ... [2022-11-20 18:16:11,558 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:16:11" (1/1) ... [2022-11-20 18:16:11,563 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:16:11" (1/1) ... [2022-11-20 18:16:11,565 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:16:11" (1/1) ... [2022-11-20 18:16:11,567 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:16:11" (1/1) ... [2022-11-20 18:16:11,568 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:16:11" (1/1) ... [2022-11-20 18:16:11,571 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:16:11,572 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:16:11,572 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:16:11,572 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:16:11,573 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:16:11" (1/1) ... [2022-11-20 18:16:11,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:16:11,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15da5105-6d0b-4790-aaa5-98cd4e8ff14e/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:16:11,606 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15da5105-6d0b-4790-aaa5-98cd4e8ff14e/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:16:11,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15da5105-6d0b-4790-aaa5-98cd4e8ff14e/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:16:11,663 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-20 18:16:11,664 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 18:16:11,664 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 18:16:11,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 18:16:11,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-20 18:16:11,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 18:16:11,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:16:11,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:16:11,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 18:16:11,667 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 18:16:11,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 18:16:11,931 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:16:11,933 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:16:12,112 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:16:12,181 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:16:12,182 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 18:16:12,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:16:12 BoogieIcfgContainer [2022-11-20 18:16:12,185 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:16:12,186 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:16:12,186 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:16:12,199 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:16:12,200 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:16:12" (1/1) ... [2022-11-20 18:16:12,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:16:12,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:16:12,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2022-11-20 18:16:12,305 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2022-11-20 18:16:12,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 18:16:12,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:16:12,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:16:12,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:16:12,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:16:12,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:16:12,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2022-11-20 18:16:12,645 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2022-11-20 18:16:12,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 18:16:12,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:16:12,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:16:12,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:16:12,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:16:12,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:16:12,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2022-11-20 18:16:12,877 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2022-11-20 18:16:12,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 18:16:12,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:16:12,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:16:12,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:16:12,907 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 18:16:12,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:16:13,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:16:13,026 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 18:16:13,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:16:13,065 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2022-11-20 18:16:13,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 06:16:13 ImpRootNode [2022-11-20 18:16:13,110 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 18:16:13,112 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 18:16:13,112 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 18:16:13,112 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 18:16:13,113 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:16:12" (3/4) ... [2022-11-20 18:16:13,126 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 18:16:13,126 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 18:16:13,129 INFO L158 Benchmark]: Toolchain (without parser) took 2962.85ms. Allocated memory was 153.1MB in the beginning and 211.8MB in the end (delta: 58.7MB). Free memory was 105.0MB in the beginning and 102.1MB in the end (delta: 2.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2022-11-20 18:16:13,130 INFO L158 Benchmark]: CDTParser took 0.60ms. Allocated memory is still 153.1MB. Free memory is still 94.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:16:13,131 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1293.77ms. Allocated memory was 153.1MB in the beginning and 211.8MB in the end (delta: 58.7MB). Free memory was 104.7MB in the beginning and 156.6MB in the end (delta: -51.9MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2022-11-20 18:16:13,133 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.81ms. Allocated memory is still 211.8MB. Free memory was 156.6MB in the beginning and 153.3MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 18:16:13,133 INFO L158 Benchmark]: Boogie Preprocessor took 26.27ms. Allocated memory is still 211.8MB. Free memory was 153.3MB in the beginning and 152.3MB in the end (delta: 984.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:16:13,134 INFO L158 Benchmark]: RCFGBuilder took 613.69ms. Allocated memory is still 211.8MB. Free memory was 151.3MB in the beginning and 137.7MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 18:16:13,138 INFO L158 Benchmark]: CodeCheck took 924.44ms. Allocated memory is still 211.8MB. Free memory was 137.6MB in the beginning and 102.1MB in the end (delta: 35.5MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2022-11-20 18:16:13,146 INFO L158 Benchmark]: Witness Printer took 15.23ms. Allocated memory is still 211.8MB. Free memory is still 102.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:16:13,149 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, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 51 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 32 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 28 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 121 GetRequests, 117 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, 0.3s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 22 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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: 1569]: 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); [L1578] 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) [L1578] RET printLine("Calling bad()...") VAL [\old(argc)=18, argc=18, argv={19:12}, argv={19:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1579] CALL CWE191_Integer_Underflow__int_fgets_postdec_03_bad() [L1550] int data; [L1551] data = 0 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [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] [L1569] data-- VAL [data=-2147483648, 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 0.60ms. Allocated memory is still 153.1MB. Free memory is still 94.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1293.77ms. Allocated memory was 153.1MB in the beginning and 211.8MB in the end (delta: 58.7MB). Free memory was 104.7MB in the beginning and 156.6MB in the end (delta: -51.9MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.81ms. Allocated memory is still 211.8MB. Free memory was 156.6MB in the beginning and 153.3MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.27ms. Allocated memory is still 211.8MB. Free memory was 153.3MB in the beginning and 152.3MB in the end (delta: 984.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 613.69ms. Allocated memory is still 211.8MB. Free memory was 151.3MB in the beginning and 137.7MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 924.44ms. Allocated memory is still 211.8MB. Free memory was 137.6MB in the beginning and 102.1MB in the end (delta: 35.5MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 15.23ms. Allocated memory is still 211.8MB. Free memory is still 102.1MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-20 18:16:13,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15da5105-6d0b-4790-aaa5-98cd4e8ff14e/bin/ukojak-pZX7IvK2PQ/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_15da5105-6d0b-4790-aaa5-98cd4e8ff14e/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15da5105-6d0b-4790-aaa5-98cd4e8ff14e/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15da5105-6d0b-4790-aaa5-98cd4e8ff14e/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15da5105-6d0b-4790-aaa5-98cd4e8ff14e/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_03_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15da5105-6d0b-4790-aaa5-98cd4e8ff14e/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15da5105-6d0b-4790-aaa5-98cd4e8ff14e/bin/ukojak-pZX7IvK2PQ --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 02f0093e8608d74f9c40a937fb4441e30f3654c13a2096bc11c8fc7cd6eaa3c8 --- 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-6b4ec56 [2022-11-20 18:16:15,692 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:16:15,694 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:16:15,720 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:16:15,720 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:16:15,721 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:16:15,723 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:16:15,724 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:16:15,726 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:16:15,727 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:16:15,728 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:16:15,729 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:16:15,730 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:16:15,731 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:16:15,732 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:16:15,733 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:16:15,734 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:16:15,735 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:16:15,737 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:16:15,739 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:16:15,741 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:16:15,742 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:16:15,743 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:16:15,744 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:16:15,748 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:16:15,749 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:16:15,749 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:16:15,750 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:16:15,750 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:16:15,751 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:16:15,752 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:16:15,753 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:16:15,753 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:16:15,754 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:16:15,755 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:16:15,761 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:16:15,761 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:16:15,762 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:16:15,762 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:16:15,763 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:16:15,764 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:16:15,765 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15da5105-6d0b-4790-aaa5-98cd4e8ff14e/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2022-11-20 18:16:15,793 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:16:15,794 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:16:15,794 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:16:15,795 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:16:15,796 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:16:15,796 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:16:15,796 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:16:15,796 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:16:15,797 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:16:15,797 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:16:15,797 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:16:15,797 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:16:15,798 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 18:16:15,798 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 18:16:15,798 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 18:16:15,798 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 18:16:15,799 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:16:15,799 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:16:15,799 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:16:15,799 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:16:15,800 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:16:15,800 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:16:15,800 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:16:15,801 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:16:15,801 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:16:15,801 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:16:15,806 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 18:16:15,806 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 18:16:15,807 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:16:15,807 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 18:16:15,807 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 18:16:15,807 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_15da5105-6d0b-4790-aaa5-98cd4e8ff14e/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15da5105-6d0b-4790-aaa5-98cd4e8ff14e/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02f0093e8608d74f9c40a937fb4441e30f3654c13a2096bc11c8fc7cd6eaa3c8 [2022-11-20 18:16:16,179 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:16:16,201 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:16:16,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:16:16,205 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:16:16,205 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:16:16,207 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15da5105-6d0b-4790-aaa5-98cd4e8ff14e/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_03_bad.i [2022-11-20 18:16:19,301 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:16:19,774 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:16:19,775 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15da5105-6d0b-4790-aaa5-98cd4e8ff14e/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_03_bad.i [2022-11-20 18:16:19,799 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15da5105-6d0b-4790-aaa5-98cd4e8ff14e/bin/ukojak-pZX7IvK2PQ/data/4cfa8860c/a87121276fb34b878b19f0990a570133/FLAGbeb800e7d [2022-11-20 18:16:19,820 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15da5105-6d0b-4790-aaa5-98cd4e8ff14e/bin/ukojak-pZX7IvK2PQ/data/4cfa8860c/a87121276fb34b878b19f0990a570133 [2022-11-20 18:16:19,825 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:16:19,827 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:16:19,831 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:16:19,832 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:16:19,835 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:16:19,835 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:16:19" (1/1) ... [2022-11-20 18:16:19,836 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30635fd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:16:19, skipping insertion in model container [2022-11-20 18:16:19,837 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:16:19" (1/1) ... [2022-11-20 18:16:19,844 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:16:19,897 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:16:20,284 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 18:16:20,562 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) [2022-11-20 18:16:20,569 INFO L158 Benchmark]: Toolchain (without parser) took 740.16ms. Allocated memory is still 79.7MB. Free memory was 54.4MB in the beginning and 39.2MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 18:16:20,570 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 62.9MB. Free memory was 41.4MB in the beginning and 41.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:16:20,571 INFO L158 Benchmark]: CACSL2BoogieTranslator took 735.23ms. Allocated memory is still 79.7MB. Free memory was 54.4MB in the beginning and 39.2MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 18:16:20,572 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 62.9MB. Free memory was 41.4MB in the beginning and 41.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 735.23ms. Allocated memory is still 79.7MB. Free memory was 54.4MB in the beginning and 39.2MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. 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.