./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_52_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_344a7404-ff1b-4d5c-b8f5-cd096e1bed2e/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344a7404-ff1b-4d5c-b8f5-cd096e1bed2e/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_344a7404-ff1b-4d5c-b8f5-cd096e1bed2e/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344a7404-ff1b-4d5c-b8f5-cd096e1bed2e/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344a7404-ff1b-4d5c-b8f5-cd096e1bed2e/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_344a7404-ff1b-4d5c-b8f5-cd096e1bed2e/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 1188894761a44d828a8f04cd8512147082a237ca025bd57b106bf7d35bee4bbf --- 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 16:29:13,976 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:29:13,979 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:29:14,019 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:29:14,020 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:29:14,021 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:29:14,022 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:29:14,024 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:29:14,025 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:29:14,029 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:29:14,031 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:29:14,035 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:29:14,035 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:29:14,041 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:29:14,043 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:29:14,046 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:29:14,047 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:29:14,050 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:29:14,051 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:29:14,057 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:29:14,059 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:29:14,061 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:29:14,063 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:29:14,064 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:29:14,077 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:29:14,077 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:29:14,077 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:29:14,079 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:29:14,080 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:29:14,081 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:29:14,081 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:29:14,082 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:29:14,083 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:29:14,084 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:29:14,085 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:29:14,085 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:29:14,086 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:29:14,086 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:29:14,087 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:29:14,099 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:29:14,100 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:29:14,101 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344a7404-ff1b-4d5c-b8f5-cd096e1bed2e/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 16:29:14,147 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:29:14,148 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:29:14,149 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:29:14,149 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:29:14,150 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:29:14,150 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:29:14,150 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:29:14,150 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:29:14,150 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:29:14,151 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:29:14,152 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:29:14,152 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:29:14,152 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:29:14,152 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 16:29:14,152 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:29:14,152 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:29:14,153 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:29:14,153 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:29:14,153 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:29:14,153 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:29:14,153 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:29:14,154 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:29:14,154 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:29:14,154 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:29:14,154 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:29:14,154 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:29:14,154 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:29:14,155 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_344a7404-ff1b-4d5c-b8f5-cd096e1bed2e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344a7404-ff1b-4d5c-b8f5-cd096e1bed2e/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1188894761a44d828a8f04cd8512147082a237ca025bd57b106bf7d35bee4bbf [2022-11-20 16:29:14,469 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:29:14,497 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:29:14,500 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:29:14,501 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:29:14,502 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:29:14,504 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344a7404-ff1b-4d5c-b8f5-cd096e1bed2e/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_52_bad.i [2022-11-20 16:29:17,504 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:29:17,940 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:29:17,941 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344a7404-ff1b-4d5c-b8f5-cd096e1bed2e/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_52_bad.i [2022-11-20 16:29:17,969 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344a7404-ff1b-4d5c-b8f5-cd096e1bed2e/bin/ukojak-pZX7IvK2PQ/data/a84e8f59b/a76b44a217b84a87aa0ec5f703aa2d01/FLAG8bedb278c [2022-11-20 16:29:17,987 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344a7404-ff1b-4d5c-b8f5-cd096e1bed2e/bin/ukojak-pZX7IvK2PQ/data/a84e8f59b/a76b44a217b84a87aa0ec5f703aa2d01 [2022-11-20 16:29:17,990 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:29:17,992 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:29:17,996 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:29:17,996 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:29:17,999 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:29:18,000 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:29:17" (1/1) ... [2022-11-20 16:29:18,001 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a3c657d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:29:18, skipping insertion in model container [2022-11-20 16:29:18,001 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:29:17" (1/1) ... [2022-11-20 16:29:18,010 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:29:18,111 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:29:18,474 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 16:29:18,937 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:29:18,947 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:29:18,966 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 16:29:19,015 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:29:19,176 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:29:19,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:29:19 WrapperNode [2022-11-20 16:29:19,177 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:29:19,178 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:29:19,178 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:29:19,178 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:29:19,185 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:29:19" (1/1) ... [2022-11-20 16:29:19,206 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:29:19" (1/1) ... [2022-11-20 16:29:19,226 INFO L138 Inliner]: procedures = 502, calls = 64, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 56 [2022-11-20 16:29:19,227 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:29:19,228 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:29:19,228 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:29:19,228 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:29:19,243 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:29:19" (1/1) ... [2022-11-20 16:29:19,244 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:29:19" (1/1) ... [2022-11-20 16:29:19,246 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:29:19" (1/1) ... [2022-11-20 16:29:19,247 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:29:19" (1/1) ... [2022-11-20 16:29:19,252 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:29:19" (1/1) ... [2022-11-20 16:29:19,254 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:29:19" (1/1) ... [2022-11-20 16:29:19,256 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:29:19" (1/1) ... [2022-11-20 16:29:19,257 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:29:19" (1/1) ... [2022-11-20 16:29:19,259 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:29:19,260 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:29:19,260 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:29:19,260 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:29:19,261 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:29:19" (1/1) ... [2022-11-20 16:29:19,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:29:19,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344a7404-ff1b-4d5c-b8f5-cd096e1bed2e/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:29:19,292 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344a7404-ff1b-4d5c-b8f5-cd096e1bed2e/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:29:19,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344a7404-ff1b-4d5c-b8f5-cd096e1bed2e/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:29:19,348 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-20 16:29:19,348 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 16:29:19,348 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 16:29:19,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 16:29:19,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-20 16:29:19,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:29:19,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:29:19,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:29:19,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 16:29:19,350 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 16:29:19,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 16:29:19,551 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:29:19,553 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:29:19,691 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:29:19,725 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:29:19,725 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 16:29:19,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:29:19 BoogieIcfgContainer [2022-11-20 16:29:19,727 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:29:19,728 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:29:19,728 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:29:19,738 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:29:19,738 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:29:19" (1/1) ... [2022-11-20 16:29:19,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:29:19,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:29:19,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2022-11-20 16:29:19,799 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2022-11-20 16:29:19,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 16:29:19,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:29:19,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:29:19,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:29:20,098 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 16:29:20,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:29:20,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2022-11-20 16:29:20,137 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2022-11-20 16:29:20,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 16:29:20,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:29:20,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:29:20,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 16:29:20,190 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 16:29:20,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 16:29:20,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 16:29:20,337 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 16:29:20,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 16:29:20,372 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2022-11-20 16:29:20,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 04:29:20 ImpRootNode [2022-11-20 16:29:20,425 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 16:29:20,427 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 16:29:20,427 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 16:29:20,427 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 16:29:20,428 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:29:19" (3/4) ... [2022-11-20 16:29:20,432 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 16:29:20,433 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 16:29:20,434 INFO L158 Benchmark]: Toolchain (without parser) took 2441.44ms. Allocated memory is still 148.9MB. Free memory was 83.4MB in the beginning and 62.7MB in the end (delta: 20.7MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2022-11-20 16:29:20,435 INFO L158 Benchmark]: CDTParser took 0.54ms. Allocated memory is still 119.5MB. Free memory was 89.2MB in the beginning and 89.0MB in the end (delta: 144.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:29:20,436 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1181.74ms. Allocated memory is still 148.9MB. Free memory was 83.2MB in the beginning and 109.6MB in the end (delta: -26.4MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2022-11-20 16:29:20,437 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.13ms. Allocated memory is still 148.9MB. Free memory was 109.6MB in the beginning and 106.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:29:20,438 INFO L158 Benchmark]: Boogie Preprocessor took 31.81ms. Allocated memory is still 148.9MB. Free memory was 106.8MB in the beginning and 105.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:29:20,439 INFO L158 Benchmark]: RCFGBuilder took 467.53ms. Allocated memory is still 148.9MB. Free memory was 105.4MB in the beginning and 90.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 16:29:20,444 INFO L158 Benchmark]: CodeCheck took 697.05ms. Allocated memory is still 148.9MB. Free memory was 90.8MB in the beginning and 63.5MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-20 16:29:20,445 INFO L158 Benchmark]: Witness Printer took 6.40ms. Allocated memory is still 148.9MB. Free memory was 63.5MB in the beginning and 62.7MB in the end (delta: 754.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:29:20,456 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, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 12 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 12 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: 1583]: 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)=20, argc=20, argv={19:18}, argv={19:18}, 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_multiply_52_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_multiply_52b_badSink(data) [L1577] CALL CWE191_Integer_Underflow__int_fgets_multiply_52c_badSink(data) [L1581] COND TRUE data < 0 VAL [\old(data)=-1073741825, data=-1073741825, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1583] data * 2 VAL [\old(data)=-1073741825, data=-1073741825, 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 0.54ms. Allocated memory is still 119.5MB. Free memory was 89.2MB in the beginning and 89.0MB in the end (delta: 144.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1181.74ms. Allocated memory is still 148.9MB. Free memory was 83.2MB in the beginning and 109.6MB in the end (delta: -26.4MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.13ms. Allocated memory is still 148.9MB. Free memory was 109.6MB in the beginning and 106.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.81ms. Allocated memory is still 148.9MB. Free memory was 106.8MB in the beginning and 105.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 467.53ms. Allocated memory is still 148.9MB. Free memory was 105.4MB in the beginning and 90.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 697.05ms. Allocated memory is still 148.9MB. Free memory was 90.8MB in the beginning and 63.5MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 6.40ms. Allocated memory is still 148.9MB. Free memory was 63.5MB in the beginning and 62.7MB in the end (delta: 754.0kB). 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 16:29:20,488 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344a7404-ff1b-4d5c-b8f5-cd096e1bed2e/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_344a7404-ff1b-4d5c-b8f5-cd096e1bed2e/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344a7404-ff1b-4d5c-b8f5-cd096e1bed2e/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_344a7404-ff1b-4d5c-b8f5-cd096e1bed2e/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344a7404-ff1b-4d5c-b8f5-cd096e1bed2e/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344a7404-ff1b-4d5c-b8f5-cd096e1bed2e/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_344a7404-ff1b-4d5c-b8f5-cd096e1bed2e/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 1188894761a44d828a8f04cd8512147082a237ca025bd57b106bf7d35bee4bbf --- 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 16:29:22,850 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:29:22,852 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:29:22,885 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:29:22,886 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:29:22,887 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:29:22,888 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:29:22,890 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:29:22,892 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:29:22,893 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:29:22,894 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:29:22,895 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:29:22,896 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:29:22,897 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:29:22,898 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:29:22,899 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:29:22,900 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:29:22,901 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:29:22,903 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:29:22,905 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:29:22,906 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:29:22,908 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:29:22,909 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:29:22,910 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:29:22,914 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:29:22,914 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:29:22,915 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:29:22,916 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:29:22,916 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:29:22,918 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:29:22,918 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:29:22,919 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:29:22,920 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:29:22,921 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:29:22,922 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:29:22,922 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:29:22,923 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:29:22,923 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:29:22,924 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:29:22,925 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:29:22,926 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:29:22,930 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344a7404-ff1b-4d5c-b8f5-cd096e1bed2e/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2022-11-20 16:29:22,968 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:29:22,968 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:29:22,969 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:29:22,970 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:29:22,971 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:29:22,971 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:29:22,971 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:29:22,971 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:29:22,972 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:29:22,972 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:29:22,972 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:29:22,973 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:29:22,973 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 16:29:22,973 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 16:29:22,974 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 16:29:22,974 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 16:29:22,974 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:29:22,977 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:29:22,978 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:29:22,979 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:29:22,979 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:29:22,979 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:29:22,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:29:22,980 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:29:22,980 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:29:22,981 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:29:22,981 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 16:29:22,981 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 16:29:22,982 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:29:22,982 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 16:29:22,983 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 16:29:22,983 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_344a7404-ff1b-4d5c-b8f5-cd096e1bed2e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344a7404-ff1b-4d5c-b8f5-cd096e1bed2e/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1188894761a44d828a8f04cd8512147082a237ca025bd57b106bf7d35bee4bbf [2022-11-20 16:29:23,394 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:29:23,418 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:29:23,420 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:29:23,422 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:29:23,422 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:29:23,424 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344a7404-ff1b-4d5c-b8f5-cd096e1bed2e/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_52_bad.i [2022-11-20 16:29:26,376 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:29:26,780 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:29:26,781 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344a7404-ff1b-4d5c-b8f5-cd096e1bed2e/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_52_bad.i [2022-11-20 16:29:26,815 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344a7404-ff1b-4d5c-b8f5-cd096e1bed2e/bin/ukojak-pZX7IvK2PQ/data/e9eb93188/4ffdcdb1128e47dcb7fc67d942d3e7a4/FLAG08bda6baf [2022-11-20 16:29:26,829 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344a7404-ff1b-4d5c-b8f5-cd096e1bed2e/bin/ukojak-pZX7IvK2PQ/data/e9eb93188/4ffdcdb1128e47dcb7fc67d942d3e7a4 [2022-11-20 16:29:26,832 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:29:26,833 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:29:26,835 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:29:26,835 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:29:26,838 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:29:26,839 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:29:26" (1/1) ... [2022-11-20 16:29:26,840 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ffb112f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:29:26, skipping insertion in model container [2022-11-20 16:29:26,840 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:29:26" (1/1) ... [2022-11-20 16:29:26,847 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:29:26,924 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:29:27,331 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 16:29:27,618 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 16:29:27,631 INFO L158 Benchmark]: Toolchain (without parser) took 791.87ms. Allocated memory was 69.2MB in the beginning and 88.1MB in the end (delta: 18.9MB). Free memory was 43.2MB in the beginning and 63.4MB in the end (delta: -20.1MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2022-11-20 16:29:27,632 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 69.2MB. Free memory was 46.2MB in the beginning and 46.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:29:27,633 INFO L158 Benchmark]: CACSL2BoogieTranslator took 789.68ms. Allocated memory was 69.2MB in the beginning and 88.1MB in the end (delta: 18.9MB). Free memory was 43.1MB in the beginning and 63.4MB in the end (delta: -20.3MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2022-11-20 16:29:27,637 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 69.2MB. Free memory was 46.2MB in the beginning and 46.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 789.68ms. Allocated memory was 69.2MB in the beginning and 88.1MB in the end (delta: 18.9MB). Free memory was 43.1MB in the beginning and 63.4MB in the end (delta: -20.3MB). Peak memory consumption was 14.6MB. 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.