./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_16_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc45f598-97fc-4357-b836-e21d94ed9b1e/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc45f598-97fc-4357-b836-e21d94ed9b1e/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc45f598-97fc-4357-b836-e21d94ed9b1e/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc45f598-97fc-4357-b836-e21d94ed9b1e/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_16_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc45f598-97fc-4357-b836-e21d94ed9b1e/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc45f598-97fc-4357-b836-e21d94ed9b1e/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6df2b9983abdfcbde7954e56f61fb05c0f4cb00301603c6872ea03705ff67ac5 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 23:36:37,330 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:36:37,332 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:36:37,361 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:36:37,362 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:36:37,365 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:36:37,370 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:36:37,373 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:36:37,375 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:36:37,380 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:36:37,382 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:36:37,384 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:36:37,385 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:36:37,387 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:36:37,391 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:36:37,392 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:36:37,394 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:36:37,394 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:36:37,396 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:36:37,403 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:36:37,405 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:36:37,407 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:36:37,408 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:36:37,409 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:36:37,419 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:36:37,419 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:36:37,420 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:36:37,421 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:36:37,422 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:36:37,423 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:36:37,424 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:36:37,425 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:36:37,428 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:36:37,429 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:36:37,430 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:36:37,431 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:36:37,431 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:36:37,431 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:36:37,432 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:36:37,433 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:36:37,434 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:36:37,435 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc45f598-97fc-4357-b836-e21d94ed9b1e/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 23:36:37,467 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:36:37,467 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:36:37,468 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:36:37,468 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:36:37,469 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:36:37,469 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:36:37,470 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:36:37,470 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:36:37,470 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:36:37,470 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:36:37,470 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:36:37,471 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:36:37,471 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:36:37,471 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:36:37,471 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:36:37,471 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:36:37,472 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:36:37,472 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:36:37,472 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:36:37,472 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:36:37,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:36:37,473 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:36:37,473 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:36:37,473 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:36:37,474 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:36:37,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:36:37,474 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:36:37,474 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_bc45f598-97fc-4357-b836-e21d94ed9b1e/bin/ukojak-jW3SillKbg/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc45f598-97fc-4357-b836-e21d94ed9b1e/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6df2b9983abdfcbde7954e56f61fb05c0f4cb00301603c6872ea03705ff67ac5 [2022-11-21 23:36:37,777 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:36:37,798 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:36:37,801 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:36:37,802 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:36:37,803 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:36:37,804 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc45f598-97fc-4357-b836-e21d94ed9b1e/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_16_bad.i [2022-11-21 23:36:40,888 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:36:41,329 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:36:41,330 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc45f598-97fc-4357-b836-e21d94ed9b1e/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_16_bad.i [2022-11-21 23:36:41,358 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc45f598-97fc-4357-b836-e21d94ed9b1e/bin/ukojak-jW3SillKbg/data/cf2b52344/1ba977694248447fbd19ad9f885712e1/FLAGc95b76e68 [2022-11-21 23:36:41,379 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc45f598-97fc-4357-b836-e21d94ed9b1e/bin/ukojak-jW3SillKbg/data/cf2b52344/1ba977694248447fbd19ad9f885712e1 [2022-11-21 23:36:41,384 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:36:41,386 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:36:41,390 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:36:41,390 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:36:41,394 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:36:41,395 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:36:41" (1/1) ... [2022-11-21 23:36:41,396 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@563da09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:36:41, skipping insertion in model container [2022-11-21 23:36:41,396 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:36:41" (1/1) ... [2022-11-21 23:36:41,404 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:36:41,524 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:36:41,898 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:36:42,390 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:36:42,400 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:36:42,419 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:36:42,479 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:36:42,681 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:36:42,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:36:42 WrapperNode [2022-11-21 23:36:42,683 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:36:42,684 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:36:42,684 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:36:42,685 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:36:42,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:36:42" (1/1) ... [2022-11-21 23:36:42,747 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:36:42" (1/1) ... [2022-11-21 23:36:42,782 INFO L138 Inliner]: procedures = 500, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 64 [2022-11-21 23:36:42,783 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:36:42,784 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:36:42,784 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:36:42,784 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:36:42,795 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:36:42" (1/1) ... [2022-11-21 23:36:42,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:36:42" (1/1) ... [2022-11-21 23:36:42,802 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:36:42" (1/1) ... [2022-11-21 23:36:42,802 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:36:42" (1/1) ... [2022-11-21 23:36:42,807 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:36:42" (1/1) ... [2022-11-21 23:36:42,827 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:36:42" (1/1) ... [2022-11-21 23:36:42,829 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:36:42" (1/1) ... [2022-11-21 23:36:42,830 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:36:42" (1/1) ... [2022-11-21 23:36:42,833 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:36:42,834 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:36:42,834 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:36:42,834 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:36:42,835 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:36:42" (1/1) ... [2022-11-21 23:36:42,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:36:42,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc45f598-97fc-4357-b836-e21d94ed9b1e/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:36:42,882 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc45f598-97fc-4357-b836-e21d94ed9b1e/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:36:42,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc45f598-97fc-4357-b836-e21d94ed9b1e/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:36:42,930 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-21 23:36:42,931 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 23:36:42,931 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 23:36:42,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 23:36:42,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 23:36:42,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:36:42,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:36:42,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:36:42,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 23:36:42,934 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 23:36:42,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:36:43,121 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:36:43,133 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:36:43,290 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:36:43,325 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:36:43,325 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-21 23:36:43,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:36:43 BoogieIcfgContainer [2022-11-21 23:36:43,333 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:36:43,334 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:36:43,334 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:36:43,346 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:36:43,346 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:36:43" (1/1) ... [2022-11-21 23:36:43,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:36:43,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:36:43,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2022-11-21 23:36:43,416 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2022-11-21 23:36:43,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 23:36:43,421 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:36:43,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:36:43,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:36:43,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:36:43,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:36:43,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2022-11-21 23:36:43,735 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2022-11-21 23:36:43,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 23:36:43,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:36:43,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:36:43,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:36:44,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:36:44,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:36:44,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2022-11-21 23:36:44,065 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2022-11-21 23:36:44,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 23:36:44,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:36:44,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:36:44,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:36:44,103 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 23:36:44,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:36:44,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:36:44,179 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 23:36:44,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:36:44,211 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2022-11-21 23:36:44,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 11:36:44 ImpRootNode [2022-11-21 23:36:44,241 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 23:36:44,242 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 23:36:44,242 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 23:36:44,243 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 23:36:44,243 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:36:43" (3/4) ... [2022-11-21 23:36:44,246 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-21 23:36:44,247 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 23:36:44,248 INFO L158 Benchmark]: Toolchain (without parser) took 2861.46ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 73.2MB in the beginning and 55.9MB in the end (delta: 17.3MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. [2022-11-21 23:36:44,248 INFO L158 Benchmark]: CDTParser took 0.59ms. Allocated memory is still 98.6MB. Free memory was 67.7MB in the beginning and 67.6MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:36:44,249 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1293.71ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 73.2MB in the beginning and 110.4MB in the end (delta: -37.3MB). Peak memory consumption was 48.4MB. Max. memory is 16.1GB. [2022-11-21 23:36:44,250 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.94ms. Allocated memory is still 144.7MB. Free memory was 110.4MB in the beginning and 107.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:36:44,250 INFO L158 Benchmark]: Boogie Preprocessor took 48.97ms. Allocated memory is still 144.7MB. Free memory was 107.4MB in the beginning and 106.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:36:44,251 INFO L158 Benchmark]: RCFGBuilder took 499.46ms. Allocated memory is still 144.7MB. Free memory was 106.2MB in the beginning and 91.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 23:36:44,252 INFO L158 Benchmark]: CodeCheck took 907.78ms. Allocated memory is still 144.7MB. Free memory was 90.6MB in the beginning and 55.9MB in the end (delta: 34.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2022-11-21 23:36:44,252 INFO L158 Benchmark]: Witness Printer took 4.78ms. Allocated memory is still 144.7MB. Free memory is still 55.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:36:44,255 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, 47 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, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 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: 1570]: 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); [L1580] 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) [L1580] RET printLine("Calling bad()...") VAL [\old(argc)=13, argc=13, argv={18:12}, argv={18:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1581] CALL CWE191_Integer_Underflow__int_fgets_postdec_16_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] [L1552] COND TRUE 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] [L1567] COND TRUE 1 [L1570] 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 0.59ms. Allocated memory is still 98.6MB. Free memory was 67.7MB in the beginning and 67.6MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1293.71ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 73.2MB in the beginning and 110.4MB in the end (delta: -37.3MB). Peak memory consumption was 48.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.94ms. Allocated memory is still 144.7MB. Free memory was 110.4MB in the beginning and 107.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.97ms. Allocated memory is still 144.7MB. Free memory was 107.4MB in the beginning and 106.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 499.46ms. Allocated memory is still 144.7MB. Free memory was 106.2MB in the beginning and 91.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 907.78ms. Allocated memory is still 144.7MB. Free memory was 90.6MB in the beginning and 55.9MB in the end (delta: 34.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 4.78ms. Allocated memory is still 144.7MB. Free memory is still 55.9MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-21 23:36:44,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc45f598-97fc-4357-b836-e21d94ed9b1e/bin/ukojak-jW3SillKbg/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_bc45f598-97fc-4357-b836-e21d94ed9b1e/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc45f598-97fc-4357-b836-e21d94ed9b1e/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc45f598-97fc-4357-b836-e21d94ed9b1e/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc45f598-97fc-4357-b836-e21d94ed9b1e/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_16_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc45f598-97fc-4357-b836-e21d94ed9b1e/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc45f598-97fc-4357-b836-e21d94ed9b1e/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6df2b9983abdfcbde7954e56f61fb05c0f4cb00301603c6872ea03705ff67ac5 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 23:36:46,819 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:36:46,824 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:36:46,863 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:36:46,863 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:36:46,867 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:36:46,870 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:36:46,874 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:36:46,875 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:36:46,881 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:36:46,882 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:36:46,885 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:36:46,885 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:36:46,888 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:36:46,889 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:36:46,896 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:36:46,897 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:36:46,898 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:36:46,899 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:36:46,902 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:36:46,905 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:36:46,908 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:36:46,909 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:36:46,909 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:36:46,919 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:36:46,920 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:36:46,920 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:36:46,922 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:36:46,923 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:36:46,924 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:36:46,925 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:36:46,926 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:36:46,928 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:36:46,928 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:36:46,930 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:36:46,948 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:36:46,949 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:36:46,950 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:36:46,950 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:36:46,951 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:36:46,951 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:36:46,957 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc45f598-97fc-4357-b836-e21d94ed9b1e/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2022-11-21 23:36:46,996 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:36:46,996 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:36:47,000 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:36:47,001 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:36:47,002 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:36:47,002 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:36:47,002 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:36:47,003 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:36:47,003 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:36:47,003 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:36:47,004 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:36:47,005 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:36:47,005 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 23:36:47,005 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 23:36:47,005 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:36:47,005 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 23:36:47,006 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:36:47,006 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:36:47,006 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:36:47,006 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:36:47,006 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:36:47,007 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:36:47,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:36:47,007 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:36:47,007 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:36:47,008 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:36:47,008 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-21 23:36:47,008 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 23:36:47,008 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:36:47,009 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-21 23:36:47,009 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 23:36:47,009 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_bc45f598-97fc-4357-b836-e21d94ed9b1e/bin/ukojak-jW3SillKbg/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc45f598-97fc-4357-b836-e21d94ed9b1e/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6df2b9983abdfcbde7954e56f61fb05c0f4cb00301603c6872ea03705ff67ac5 [2022-11-21 23:36:47,357 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:36:47,383 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:36:47,386 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:36:47,388 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:36:47,389 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:36:47,390 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc45f598-97fc-4357-b836-e21d94ed9b1e/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_16_bad.i [2022-11-21 23:36:50,541 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:36:51,010 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:36:51,010 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc45f598-97fc-4357-b836-e21d94ed9b1e/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_16_bad.i [2022-11-21 23:36:51,031 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc45f598-97fc-4357-b836-e21d94ed9b1e/bin/ukojak-jW3SillKbg/data/4c885467d/617d3a5c267b4916bd72421e37c53629/FLAG4897d4586 [2022-11-21 23:36:51,050 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc45f598-97fc-4357-b836-e21d94ed9b1e/bin/ukojak-jW3SillKbg/data/4c885467d/617d3a5c267b4916bd72421e37c53629 [2022-11-21 23:36:51,053 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:36:51,055 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:36:51,056 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:36:51,056 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:36:51,059 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:36:51,060 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:36:51" (1/1) ... [2022-11-21 23:36:51,061 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d63b99c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:36:51, skipping insertion in model container [2022-11-21 23:36:51,062 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:36:51" (1/1) ... [2022-11-21 23:36:51,069 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:36:51,116 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:36:51,556 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:36:51,857 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented. at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitvectorTranslation.constructOverflowCheckForBinaryBitwiseIntegerExpression(BitvectorTranslation.java:1570) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.addIntegerBoundsCheck(CExpressionTranslator.java:1060) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.handleBitshiftOperation(CExpressionTranslator.java:430) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:834) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:727) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1126) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.TypeHandler.visit(TypeHandler.java:357) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:177) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:143) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-21 23:36:51,863 INFO L158 Benchmark]: Toolchain (without parser) took 807.71ms. Allocated memory is still 75.5MB. Free memory was 48.0MB in the beginning and 52.9MB in the end (delta: -4.9MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2022-11-21 23:36:51,864 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 75.5MB. Free memory is still 52.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:36:51,865 INFO L158 Benchmark]: CACSL2BoogieTranslator took 805.40ms. Allocated memory is still 75.5MB. Free memory was 47.9MB in the beginning and 52.9MB in the end (delta: -5.1MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2022-11-21 23:36:51,866 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 75.5MB. Free memory is still 52.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 805.40ms. Allocated memory is still 75.5MB. Free memory was 47.9MB in the beginning and 52.9MB in the end (delta: -5.1MB). Peak memory consumption was 17.4MB. 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.